第一次上传
This commit is contained in:
gcdsfh145
Executable
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#ifndef dobby_h
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#define dobby_h
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// obfuscated interface
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#if 0
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#define DobbyBuildVersion c343f74888dffad84d9ad08d9c433456
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#define DobbyHook c8dc3ffa44f22dbd10ccae213dd8b1f8
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#define DobbyInstrument b71e27bca2c362de90c1034f19d839f9
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include <stdint.h>
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void log_set_level(int level);
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void log_switch_to_syslog();
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void log_switch_to_file(const char *path);
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typedef enum {
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kMemoryOperationSuccess,
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kMemoryOperationError,
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kNotSupportAllocateExecutableMemory,
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kNotEnough,
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kNone
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} MemoryOperationError;
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#define PLATFORM_INTERFACE_CODE_PATCH_TOOL_H
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MemoryOperationError CodePatch(void *address, uint8_t *buffer, uint32_t buffer_size);
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typedef uintptr_t addr_t;
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typedef uint32_t addr32_t;
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typedef uint64_t addr64_t;
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#if defined(__arm64__) || defined(__aarch64__)
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#define ARM64_TMP_REG_NDX_0 17
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// float register
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typedef union _FPReg {
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__int128_t q;
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struct {
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double d1;
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double d2;
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} d;
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struct {
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float f1;
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float f2;
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float f3;
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float f4;
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} f;
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} FPReg;
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// register context
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typedef struct _RegisterContext {
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uint64_t dmmpy_0; // dummy placeholder
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uint64_t sp;
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uint64_t dmmpy_1; // dummy placeholder
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union {
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uint64_t x[29];
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struct {
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uint64_t x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22,
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x23, x24, x25, x26, x27, x28;
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} regs;
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} general;
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uint64_t fp;
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uint64_t lr;
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union {
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FPReg q[32];
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struct {
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FPReg q0, q1, q2, q3, q4, q5, q6, q7;
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// [!!! READ ME !!!]
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// for Arm64, can't access q8 - q31, unless you enable full floating-point register pack
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FPReg q8, q9, q10, q11, q12, q13, q14, q15, q16, q17, q18, q19, q20, q21, q22, q23, q24, q25, q26, q27, q28, q29,
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q30, q31;
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} regs;
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} floating;
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} RegisterContext;
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#elif defined(__arm__)
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typedef struct _RegisterContext {
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uint32_t dummy_0;
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uint32_t dummy_1;
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uint32_t dummy_2;
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uint32_t sp;
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union {
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uint32_t r[13];
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struct {
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uint32_t r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
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} regs;
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} general;
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uint32_t lr;
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} RegisterContext;
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#elif defined(_M_IX86) || defined(__i386__)
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typedef struct _RegisterContext {
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uint32_t dummy_0;
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uint32_t esp;
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uint32_t dummy_1;
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uint32_t flags;
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union {
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struct {
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uint32_t eax, ebx, ecx, edx, ebp, esp, edi, esi;
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} regs;
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} general;
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} RegisterContext;
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#elif defined(_M_X64) || defined(__x86_64__)
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typedef struct _RegisterContext {
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uint64_t dummy_0;
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uint64_t rsp;
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union {
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struct {
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uint64_t rax, rbx, rcx, rdx, rbp, rsp, rdi, rsi, r8, r9, r10, r11, r12, r13, r14, r15;
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} regs;
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} general;
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uint64_t dummy_1;
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uint64_t flags;
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} RegisterContext;
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#endif
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#define RT_FAILED -1
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#define RT_SUCCESS 0
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typedef enum _RetStatus { RS_FAILED = -1, RS_SUCCESS = 0 } RetStatus;
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typedef struct _HookEntryInfo {
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int hook_id;
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union {
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void *target_address;
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void *function_address;
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void *instruction_address;
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};
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} HookEntryInfo;
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// DobbyWrap <==> DobbyInstrument, so use DobbyInstrument instead of DobbyWrap
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#if 0
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// wrap function with pre_call and post_call
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typedef void (*PreCallTy)(RegisterContext *ctx, const HookEntryInfo *info);
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typedef void (*PostCallTy)(RegisterContext *ctx, const HookEntryInfo *info);
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int DobbyWrap(void *function_address, PreCallTy pre_call, PostCallTy post_call);
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#endif
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// return dobby build date
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const char *DobbyBuildVersion();
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// replace function
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int DobbyHook(void *address, void *replace_call, void **origin_call);
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// dynamic binary instrument for instruction
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// [!!! READ ME !!!]
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// for Arm64, can't access q8 - q31, unless you enable full floating-point register pack
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typedef void (*DBICallTy)(RegisterContext *ctx, const HookEntryInfo *info);
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int DobbyInstrument(void *address, DBICallTy dbi_call);
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// destory and restore hook
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int DobbyDestroy(void *address);
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// iterate symbol table and find symbol
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void *DobbySymbolResolver(const char *image_name, const char *symbol_name);
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// global offset table
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int DobbyGlobalOffsetTableReplace(char *image_name, char *symbol_name, void *fake_func, void **orig_func);
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// [!!! READ ME !!!]
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// for arm, Arm64, dobby will use b xxx instead of ldr absolute indirect branch
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// for x64, dobby always use absolute indirect jump
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#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) || defined(_M_X64) || defined(__x86_64__)
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void dobby_enable_near_branch_trampoline();
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void dobby_disable_near_branch_trampoline();
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#endif
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// register linker load image callback
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typedef void (*linker_load_callback_t)(const char *image_name, void *handle);
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void dobby_register_image_load_callback(linker_load_callback_t func);
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#ifdef __cplusplus
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}
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#endif
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#endif
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//-----------------------------------------------------------------------------
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// COMPILE-TIME OPTIONS FOR DEAR IMGUI
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// Runtime options (clipboard callbacks, enabling various features, etc.) can generally be set via the ImGuiIO structure.
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// You can use ImGui::SetAllocatorFunctions() before calling ImGui::CreateContext() to rewire memory allocation functions.
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//-----------------------------------------------------------------------------
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// A) You may edit imconfig.h (and not overwrite it when updating Dear ImGui, or maintain a patch/rebased branch with your modifications to it)
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// B) or '#define IMGUI_USER_CONFIG "my_imgui_config.h"' in your project and then add directives in your own file without touching this template.
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//-----------------------------------------------------------------------------
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// You need to make sure that configuration settings are defined consistently _everywhere_ Dear ImGui is used, which include the imgui*.cpp
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// files but also _any_ of your code that uses Dear ImGui. This is because some compile-time options have an affect on data structures.
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// Defining those options in imconfig.h will ensure every compilation unit gets to see the same data structure layouts.
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// Call IMGUI_CHECKVERSION() from your .cpp files to verify that the data structures your files are using are matching the ones imgui.cpp is using.
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//-----------------------------------------------------------------------------
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#pragma once
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//---- Define assertion handler. Defaults to calling assert().
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// If your macro uses multiple statements, make sure is enclosed in a 'do { .. } while (0)' block so it can be used as a single statement.
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//#define IM_ASSERT(_EXPR) MyAssert(_EXPR)
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//#define IM_ASSERT(_EXPR) ((void)(_EXPR)) // Disable asserts
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//---- Define attributes of all API symbols declarations, e.g. for DLL under Windows
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// Using Dear ImGui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility.
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// DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()
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// for each static/DLL boundary you are calling from. Read "Context and Memory Allocators" section of imgui.cpp for more details.
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//#define IMGUI_API __declspec( dllexport )
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//#define IMGUI_API __declspec( dllimport )
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//---- Don't define obsolete functions/enums/behaviors. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names.
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//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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//---- Disable all of Dear ImGui or don't implement standard windows.
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// It is very strongly recommended to NOT disable the demo windows during development. Please read comments in imgui_demo.cpp.
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//#define IMGUI_DISABLE // Disable everything: all headers and source files will be empty.
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//#define IMGUI_DISABLE_DEMO_WINDOWS // Disable demo windows: ShowDemoWindow()/ShowStyleEditor() will be empty. Not recommended.
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//#define IMGUI_DISABLE_METRICS_WINDOW // Disable metrics/debugger window: ShowMetricsWindow() will be empty.
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//---- Don't implement some functions to reduce linkage requirements.
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//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc. (user32.lib/.a, kernel32.lib/.a)
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//#define IMGUI_ENABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] [Default with Visual Studio] Implement default IME handler (require imm32.lib/.a, auto-link for Visual Studio, -limm32 on command-line for MinGW)
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//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] [Default with non-Visual Studio compilers] Don't implement default IME handler (won't require imm32.lib/.a)
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//#define IMGUI_DISABLE_WIN32_FUNCTIONS // [Win32] Won't use and link with any Win32 function (clipboard, ime).
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//#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices', this is why this is not the default).
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//#define IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself (e.g. if you don't want to link with vsnprintf)
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//#define IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 so you can implement them yourself.
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//#define IMGUI_DISABLE_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle at all (replace them with dummies)
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//#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function.
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//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
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//#define IMGUI_DISABLE_SSE // Disable use of SSE intrinsics even if available
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//---- Include imgui_user.h at the end of imgui.h as a convenience
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//#define IMGUI_INCLUDE_IMGUI_USER_H
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//---- Pack colors to BGRA8 instead of RGBA8 (to avoid converting from one to another)
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//#define IMGUI_USE_BGRA_PACKED_COLOR
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//---- Use 32-bit for ImWchar (default is 16-bit) to support unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
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//#define IMGUI_USE_WCHAR32
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//---- Avoid multiple STB libraries implementations, or redefine path/filenames to prioritize another version
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// By default the embedded implementations are declared static and not available outside of Dear ImGui sources files.
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//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
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//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
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//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
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//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
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//---- Use stb_printf's faster implementation of vsnprintf instead of the one from libc (unless IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS is defined)
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// Requires 'stb_sprintf.h' to be available in the include path. Compatibility checks of arguments and formats done by clang and GCC will be disabled in order to support the extra formats provided by STB sprintf.
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// #define IMGUI_USE_STB_SPRINTF
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//---- Use FreeType to build and rasterize the font atlas (instead of stb_truetype which is embedded by default in Dear ImGui)
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// Requires FreeType headers to be available in the include path. Requires program to be compiled with 'misc/freetype/imgui_freetype.cpp' (in this repository) + the FreeType library (not provided).
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||||
// On Windows you may use vcpkg with 'vcpkg install freetype --triplet=x64-windows' + 'vcpkg integrate install'.
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//#define IMGUI_ENABLE_FREETYPE
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//---- Use stb_truetype to build and rasterize the font atlas (default)
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// The only purpose of this define is if you want force compilation of the stb_truetype backend ALONG with the FreeType backend.
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//#define IMGUI_ENABLE_STB_TRUETYPE
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//---- Define constructor and implicit cast operators to convert back<>forth between your math types and ImVec2/ImVec4.
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||||
// This will be inlined as part of ImVec2 and ImVec4 class declarations.
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/*
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#define IM_VEC2_CLASS_EXTRA \
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ImVec2(const MyVec2& f) { x = f.x; y = f.y; } \
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operator MyVec2() const { return MyVec2(x,y); }
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#define IM_VEC4_CLASS_EXTRA \
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ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; } \
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operator MyVec4() const { return MyVec4(x,y,z,w); }
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||||
*/
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||||
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||||
//---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
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||||
// Your renderer backend will need to support it (most example renderer backends support both 16/32-bit indices).
|
||||
// Another way to allow large meshes while keeping 16-bit indices is to handle ImDrawCmd::VtxOffset in your renderer.
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||||
// Read about ImGuiBackendFlags_RendererHasVtxOffset for details.
|
||||
//#define ImDrawIdx unsigned int
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||||
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||||
//---- Override ImDrawCallback signature (will need to modify renderer backends accordingly)
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||||
//struct ImDrawList;
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//struct ImDrawCmd;
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||||
//typedef void (*MyImDrawCallback)(const ImDrawList* draw_list, const ImDrawCmd* cmd, void* my_renderer_user_data);
|
||||
//#define ImDrawCallback MyImDrawCallback
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||||
|
||||
//---- Debug Tools: Macro to break in Debugger
|
||||
// (use 'Metrics->Tools->Item Picker' to pick widgets with the mouse and break into them for easy debugging.)
|
||||
//#define IM_DEBUG_BREAK IM_ASSERT(0)
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||||
//#define IM_DEBUG_BREAK __debugbreak()
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||||
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||||
//---- Debug Tools: Have the Item Picker break in the ItemAdd() function instead of ItemHoverable(),
|
||||
// (which comes earlier in the code, will catch a few extra items, allow picking items other than Hovered one.)
|
||||
// This adds a small runtime cost which is why it is not enabled by default.
|
||||
//#define IMGUI_DEBUG_TOOL_ITEM_PICKER_EX
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||||
|
||||
//---- Debug Tools: Enable slower asserts
|
||||
//#define IMGUI_DEBUG_PARANOID
|
||||
|
||||
//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files.
|
||||
/*
|
||||
namespace ImGui
|
||||
{
|
||||
void MyFunction(const char* name, const MyMatrix44& v);
|
||||
}
|
||||
*/
|
||||
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|
||||
// dear imgui: Platform Binding for Android native app
|
||||
// This needs to be used along with the OpenGL 3 Renderer (imgui_impl_opengl3)
|
||||
|
||||
// Implemented features:
|
||||
// [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy AKEYCODE_* values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
|
||||
// Missing features:
|
||||
// [ ] Platform: Clipboard support.
|
||||
// [ ] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
|
||||
// [ ] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: Check if this is even possible with Android.
|
||||
// Important:
|
||||
// - Consider using SDL or GLFW backend on Android, which will be more full-featured than this.
|
||||
// - FIXME: On-screen keyboard currently needs to be enabled by the application (see examples/ and issue #3446)
|
||||
// - FIXME: Unicode character inputs needs to be passed by Dear ImGui by the application (see examples/ and issue #3446)
|
||||
|
||||
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
|
||||
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2022-01-26: Inputs: replaced short-lived io.AddKeyModsEvent() (added two weeks ago)with io.AddKeyEvent() using ImGuiKey_ModXXX flags. Sorry for the confusion.
|
||||
// 2022-01-17: Inputs: calling new io.AddMousePosEvent(), io.AddMouseButtonEvent(), io.AddMouseWheelEvent() API (1.87+).
|
||||
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModsEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
|
||||
// 2021-03-04: Initial version.
|
||||
#include <ctime>
|
||||
#include <map>
|
||||
#include <queue>
|
||||
#include <imgui.h>
|
||||
#include "imgui_impl_android.h"
|
||||
#include <time.h>
|
||||
#include <android/native_window.h>
|
||||
#include <android/input.h>
|
||||
#include <android/keycodes.h>
|
||||
#include <android/log.h>
|
||||
|
||||
|
||||
|
||||
// Android data
|
||||
static double g_Time = 0.0;
|
||||
static ANativeWindow* g_Window;
|
||||
static char g_LogTag[] = "ImGuiExample";
|
||||
|
||||
static ImGuiKey ImGui_ImplAndroid_KeyCodeToImGuiKey(int32_t key_code)
|
||||
{
|
||||
switch (key_code)
|
||||
{
|
||||
case AKEYCODE_TAB: return ImGuiKey_Tab;
|
||||
case AKEYCODE_DPAD_LEFT: return ImGuiKey_LeftArrow;
|
||||
case AKEYCODE_DPAD_RIGHT: return ImGuiKey_RightArrow;
|
||||
case AKEYCODE_DPAD_UP: return ImGuiKey_UpArrow;
|
||||
case AKEYCODE_DPAD_DOWN: return ImGuiKey_DownArrow;
|
||||
case AKEYCODE_PAGE_UP: return ImGuiKey_PageUp;
|
||||
case AKEYCODE_PAGE_DOWN: return ImGuiKey_PageDown;
|
||||
case AKEYCODE_MOVE_HOME: return ImGuiKey_Home;
|
||||
case AKEYCODE_MOVE_END: return ImGuiKey_End;
|
||||
case AKEYCODE_INSERT: return ImGuiKey_Insert;
|
||||
case AKEYCODE_FORWARD_DEL: return ImGuiKey_Delete;
|
||||
case AKEYCODE_DEL: return ImGuiKey_Backspace;
|
||||
case AKEYCODE_SPACE: return ImGuiKey_Space;
|
||||
case AKEYCODE_ENTER: return ImGuiKey_Enter;
|
||||
case AKEYCODE_ESCAPE: return ImGuiKey_Escape;
|
||||
case AKEYCODE_APOSTROPHE: return ImGuiKey_Apostrophe;
|
||||
case AKEYCODE_COMMA: return ImGuiKey_Comma;
|
||||
case AKEYCODE_MINUS: return ImGuiKey_Minus;
|
||||
case AKEYCODE_PERIOD: return ImGuiKey_Period;
|
||||
case AKEYCODE_SLASH: return ImGuiKey_Slash;
|
||||
case AKEYCODE_SEMICOLON: return ImGuiKey_Semicolon;
|
||||
case AKEYCODE_EQUALS: return ImGuiKey_Equal;
|
||||
case AKEYCODE_LEFT_BRACKET: return ImGuiKey_LeftBracket;
|
||||
case AKEYCODE_BACKSLASH: return ImGuiKey_Backslash;
|
||||
case AKEYCODE_RIGHT_BRACKET: return ImGuiKey_RightBracket;
|
||||
case AKEYCODE_GRAVE: return ImGuiKey_GraveAccent;
|
||||
case AKEYCODE_CAPS_LOCK: return ImGuiKey_CapsLock;
|
||||
case AKEYCODE_SCROLL_LOCK: return ImGuiKey_ScrollLock;
|
||||
case AKEYCODE_NUM_LOCK: return ImGuiKey_NumLock;
|
||||
case AKEYCODE_SYSRQ: return ImGuiKey_PrintScreen;
|
||||
case AKEYCODE_BREAK: return ImGuiKey_Pause;
|
||||
case AKEYCODE_NUMPAD_0: return ImGuiKey_Keypad0;
|
||||
case AKEYCODE_NUMPAD_1: return ImGuiKey_Keypad1;
|
||||
case AKEYCODE_NUMPAD_2: return ImGuiKey_Keypad2;
|
||||
case AKEYCODE_NUMPAD_3: return ImGuiKey_Keypad3;
|
||||
case AKEYCODE_NUMPAD_4: return ImGuiKey_Keypad4;
|
||||
case AKEYCODE_NUMPAD_5: return ImGuiKey_Keypad5;
|
||||
case AKEYCODE_NUMPAD_6: return ImGuiKey_Keypad6;
|
||||
case AKEYCODE_NUMPAD_7: return ImGuiKey_Keypad7;
|
||||
case AKEYCODE_NUMPAD_8: return ImGuiKey_Keypad8;
|
||||
case AKEYCODE_NUMPAD_9: return ImGuiKey_Keypad9;
|
||||
case AKEYCODE_NUMPAD_DOT: return ImGuiKey_KeypadDecimal;
|
||||
case AKEYCODE_NUMPAD_DIVIDE: return ImGuiKey_KeypadDivide;
|
||||
case AKEYCODE_NUMPAD_MULTIPLY: return ImGuiKey_KeypadMultiply;
|
||||
case AKEYCODE_NUMPAD_SUBTRACT: return ImGuiKey_KeypadSubtract;
|
||||
case AKEYCODE_NUMPAD_ADD: return ImGuiKey_KeypadAdd;
|
||||
case AKEYCODE_NUMPAD_ENTER: return ImGuiKey_KeypadEnter;
|
||||
case AKEYCODE_NUMPAD_EQUALS: return ImGuiKey_KeypadEqual;
|
||||
case AKEYCODE_CTRL_LEFT: return ImGuiKey_LeftCtrl;
|
||||
case AKEYCODE_SHIFT_LEFT: return ImGuiKey_LeftShift;
|
||||
case AKEYCODE_ALT_LEFT: return ImGuiKey_LeftAlt;
|
||||
case AKEYCODE_META_LEFT: return ImGuiKey_LeftSuper;
|
||||
case AKEYCODE_CTRL_RIGHT: return ImGuiKey_RightCtrl;
|
||||
case AKEYCODE_SHIFT_RIGHT: return ImGuiKey_RightShift;
|
||||
case AKEYCODE_ALT_RIGHT: return ImGuiKey_RightAlt;
|
||||
case AKEYCODE_META_RIGHT: return ImGuiKey_RightSuper;
|
||||
case AKEYCODE_MENU: return ImGuiKey_Menu;
|
||||
case AKEYCODE_0: return ImGuiKey_0;
|
||||
case AKEYCODE_1: return ImGuiKey_1;
|
||||
case AKEYCODE_2: return ImGuiKey_2;
|
||||
case AKEYCODE_3: return ImGuiKey_3;
|
||||
case AKEYCODE_4: return ImGuiKey_4;
|
||||
case AKEYCODE_5: return ImGuiKey_5;
|
||||
case AKEYCODE_6: return ImGuiKey_6;
|
||||
case AKEYCODE_7: return ImGuiKey_7;
|
||||
case AKEYCODE_8: return ImGuiKey_8;
|
||||
case AKEYCODE_9: return ImGuiKey_9;
|
||||
case AKEYCODE_A: return ImGuiKey_A;
|
||||
case AKEYCODE_B: return ImGuiKey_B;
|
||||
case AKEYCODE_C: return ImGuiKey_C;
|
||||
case AKEYCODE_D: return ImGuiKey_D;
|
||||
case AKEYCODE_E: return ImGuiKey_E;
|
||||
case AKEYCODE_F: return ImGuiKey_F;
|
||||
case AKEYCODE_G: return ImGuiKey_G;
|
||||
case AKEYCODE_H: return ImGuiKey_H;
|
||||
case AKEYCODE_I: return ImGuiKey_I;
|
||||
case AKEYCODE_J: return ImGuiKey_J;
|
||||
case AKEYCODE_K: return ImGuiKey_K;
|
||||
case AKEYCODE_L: return ImGuiKey_L;
|
||||
case AKEYCODE_M: return ImGuiKey_M;
|
||||
case AKEYCODE_N: return ImGuiKey_N;
|
||||
case AKEYCODE_O: return ImGuiKey_O;
|
||||
case AKEYCODE_P: return ImGuiKey_P;
|
||||
case AKEYCODE_Q: return ImGuiKey_Q;
|
||||
case AKEYCODE_R: return ImGuiKey_R;
|
||||
case AKEYCODE_S: return ImGuiKey_S;
|
||||
case AKEYCODE_T: return ImGuiKey_T;
|
||||
case AKEYCODE_U: return ImGuiKey_U;
|
||||
case AKEYCODE_V: return ImGuiKey_V;
|
||||
case AKEYCODE_W: return ImGuiKey_W;
|
||||
case AKEYCODE_X: return ImGuiKey_X;
|
||||
case AKEYCODE_Y: return ImGuiKey_Y;
|
||||
case AKEYCODE_Z: return ImGuiKey_Z;
|
||||
case AKEYCODE_F1: return ImGuiKey_F1;
|
||||
case AKEYCODE_F2: return ImGuiKey_F2;
|
||||
case AKEYCODE_F3: return ImGuiKey_F3;
|
||||
case AKEYCODE_F4: return ImGuiKey_F4;
|
||||
case AKEYCODE_F5: return ImGuiKey_F5;
|
||||
case AKEYCODE_F6: return ImGuiKey_F6;
|
||||
case AKEYCODE_F7: return ImGuiKey_F7;
|
||||
case AKEYCODE_F8: return ImGuiKey_F8;
|
||||
case AKEYCODE_F9: return ImGuiKey_F9;
|
||||
case AKEYCODE_F10: return ImGuiKey_F10;
|
||||
case AKEYCODE_F11: return ImGuiKey_F11;
|
||||
case AKEYCODE_F12: return ImGuiKey_F12;
|
||||
default: return ImGuiKey_None;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static std::map<int32_t, std::queue<int32_t>> g_KeyEventQueues; // FIXME: Remove dependency on map and queue once we use upcoming input queue.
|
||||
|
||||
int32_t ImGui_ImplAndroid_HandleInputEvent(AInputEvent *input_event, ImVec2 screen_scale) {
|
||||
ImGuiIO &io = ImGui::GetIO();
|
||||
int32_t event_type = AInputEvent_getType(input_event);
|
||||
switch (event_type) {
|
||||
case AINPUT_EVENT_TYPE_KEY: {
|
||||
int32_t event_key_code = AKeyEvent_getKeyCode(input_event);
|
||||
int32_t event_action = AKeyEvent_getAction(input_event);
|
||||
int32_t event_meta_state = AKeyEvent_getMetaState(input_event);
|
||||
|
||||
io.KeyCtrl = ((event_meta_state & AMETA_CTRL_ON) != 0);
|
||||
io.KeyShift = ((event_meta_state & AMETA_SHIFT_ON) != 0);
|
||||
io.KeyAlt = ((event_meta_state & AMETA_ALT_ON) != 0);
|
||||
|
||||
switch (event_action) {
|
||||
// FIXME: AKEY_EVENT_ACTION_DOWN and AKEY_EVENT_ACTION_UP occur at once as soon as a touch pointer
|
||||
// goes up from a key. We use a simple key event queue/ and process one event per key per frame in
|
||||
// ImGui_ImplAndroid_NewFrame()...or consider using IO queue, if suitable: https://github.com/ocornut/imgui/issues/2787
|
||||
case AKEY_EVENT_ACTION_DOWN:
|
||||
case AKEY_EVENT_ACTION_UP:
|
||||
g_KeyEventQueues[event_key_code].push(event_action);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case AINPUT_EVENT_TYPE_MOTION: {
|
||||
int32_t event_action = AMotionEvent_getAction(input_event);
|
||||
int32_t event_pointer_index = (event_action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
|
||||
event_action &= AMOTION_EVENT_ACTION_MASK;
|
||||
switch (event_action) {
|
||||
case AMOTION_EVENT_ACTION_DOWN:
|
||||
case AMOTION_EVENT_ACTION_UP:
|
||||
// Physical mouse buttons (and probably other physical devices) also invoke the actions AMOTION_EVENT_ACTION_DOWN/_UP,
|
||||
// but we have to process them separately to identify the actual button pressed. This is done below via
|
||||
// AMOTION_EVENT_ACTION_BUTTON_PRESS/_RELEASE. Here, we only process "FINGER" input (and "UNKNOWN", as a fallback).
|
||||
if ((AMotionEvent_getToolType(input_event, event_pointer_index) == AMOTION_EVENT_TOOL_TYPE_FINGER) || (AMotionEvent_getToolType(input_event, event_pointer_index) == AMOTION_EVENT_TOOL_TYPE_UNKNOWN)) {
|
||||
io.MouseDown[0] = (event_action == AMOTION_EVENT_ACTION_DOWN);
|
||||
ImVec2 pos(AMotionEvent_getRawX(input_event, event_pointer_index), AMotionEvent_getRawY(input_event, event_pointer_index));
|
||||
io.MousePos = ImVec2(screen_scale.x > 0 ? pos.x / screen_scale.x : pos.x, screen_scale.y > 0 ? pos.y / screen_scale.y : pos.y);
|
||||
}
|
||||
break;
|
||||
case AMOTION_EVENT_ACTION_BUTTON_PRESS:
|
||||
case AMOTION_EVENT_ACTION_BUTTON_RELEASE: {
|
||||
int32_t button_state = AMotionEvent_getButtonState(input_event);
|
||||
io.MouseDown[0] = ((button_state & AMOTION_EVENT_BUTTON_PRIMARY) != 0);
|
||||
io.MouseDown[1] = ((button_state & AMOTION_EVENT_BUTTON_SECONDARY) != 0);
|
||||
io.MouseDown[2] = ((button_state & AMOTION_EVENT_BUTTON_TERTIARY) != 0);
|
||||
}
|
||||
break;
|
||||
case AMOTION_EVENT_ACTION_HOVER_MOVE: // Hovering: Tool moves while NOT pressed (such as a physical mouse)
|
||||
case AMOTION_EVENT_ACTION_MOVE: { // Touch pointer moves while DOWN
|
||||
ImVec2 pos(AMotionEvent_getRawX(input_event, event_pointer_index), AMotionEvent_getRawY(input_event, event_pointer_index));
|
||||
io.MousePos = ImVec2(screen_scale.x > 0 ? pos.x / screen_scale.x : pos.x, screen_scale.y > 0 ? pos.y / screen_scale.y : pos.y);
|
||||
break;
|
||||
}
|
||||
case AMOTION_EVENT_ACTION_SCROLL:
|
||||
io.MouseWheel = AMotionEvent_getAxisValue(input_event,AMOTION_EVENT_AXIS_VSCROLL,event_pointer_index);
|
||||
io.MouseWheelH = AMotionEvent_getAxisValue(input_event,AMOTION_EVENT_AXIS_HSCROLL,event_pointer_index);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
int32_t ImGui_ImplAndroid_HandleInputEvent(AInputEvent* input_event)
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
int32_t event_type = AInputEvent_getType(input_event);
|
||||
switch (event_type)
|
||||
{
|
||||
case AINPUT_EVENT_TYPE_KEY:
|
||||
{
|
||||
int32_t event_key_code = AKeyEvent_getKeyCode(input_event);
|
||||
int32_t event_scan_code = AKeyEvent_getScanCode(input_event);
|
||||
int32_t event_action = AKeyEvent_getAction(input_event);
|
||||
int32_t event_meta_state = AKeyEvent_getMetaState(input_event);
|
||||
|
||||
io.AddKeyEvent(ImGuiKey_ModCtrl, (event_meta_state & AMETA_CTRL_ON) != 0);
|
||||
io.AddKeyEvent(ImGuiKey_ModShift, (event_meta_state & AMETA_SHIFT_ON) != 0);
|
||||
io.AddKeyEvent(ImGuiKey_ModAlt, (event_meta_state & AMETA_ALT_ON) != 0);
|
||||
io.AddKeyEvent(ImGuiKey_ModSuper, (event_meta_state & AMETA_META_ON) != 0);
|
||||
|
||||
switch (event_action)
|
||||
{
|
||||
// FIXME: AKEY_EVENT_ACTION_DOWN and AKEY_EVENT_ACTION_UP occur at once as soon as a touch pointer
|
||||
// goes up from a key. We use a simple key event queue/ and process one event per key per frame in
|
||||
// ImGui_ImplAndroid_NewFrame()...or consider using IO queue, if suitable: https://github.com/ocornut/imgui/issues/2787
|
||||
case AKEY_EVENT_ACTION_DOWN:
|
||||
case AKEY_EVENT_ACTION_UP:
|
||||
{
|
||||
ImGuiKey key = ImGui_ImplAndroid_KeyCodeToImGuiKey(event_key_code);
|
||||
if (key != ImGuiKey_None && (event_action == AKEY_EVENT_ACTION_DOWN || event_action == AKEY_EVENT_ACTION_UP))
|
||||
{
|
||||
io.AddKeyEvent(key, event_action == AKEY_EVENT_ACTION_DOWN);
|
||||
io.SetKeyEventNativeData(key, event_key_code, event_scan_code);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case AINPUT_EVENT_TYPE_MOTION:
|
||||
{
|
||||
int32_t event_action = AMotionEvent_getAction(input_event);
|
||||
int32_t event_pointer_index = (event_action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
|
||||
event_action &= AMOTION_EVENT_ACTION_MASK;
|
||||
switch (event_action)
|
||||
{
|
||||
case AMOTION_EVENT_ACTION_DOWN:
|
||||
case AMOTION_EVENT_ACTION_UP:
|
||||
// Physical mouse buttons (and probably other physical devices) also invoke the actions AMOTION_EVENT_ACTION_DOWN/_UP,
|
||||
// but we have to process them separately to identify the actual button pressed. This is done below via
|
||||
// AMOTION_EVENT_ACTION_BUTTON_PRESS/_RELEASE. Here, we only process "FINGER" input (and "UNKNOWN", as a fallback).
|
||||
if((AMotionEvent_getToolType(input_event, event_pointer_index) == AMOTION_EVENT_TOOL_TYPE_FINGER)
|
||||
|| (AMotionEvent_getToolType(input_event, event_pointer_index) == AMOTION_EVENT_TOOL_TYPE_UNKNOWN))
|
||||
{
|
||||
io.AddMousePosEvent(AMotionEvent_getX(input_event, event_pointer_index), AMotionEvent_getY(input_event, event_pointer_index));
|
||||
io.AddMouseButtonEvent(0, event_action == AMOTION_EVENT_ACTION_DOWN);
|
||||
}
|
||||
break;
|
||||
case AMOTION_EVENT_ACTION_BUTTON_PRESS:
|
||||
case AMOTION_EVENT_ACTION_BUTTON_RELEASE:
|
||||
{
|
||||
int32_t button_state = AMotionEvent_getButtonState(input_event);
|
||||
io.AddMouseButtonEvent(0, (button_state & AMOTION_EVENT_BUTTON_PRIMARY) != 0);
|
||||
io.AddMouseButtonEvent(1, (button_state & AMOTION_EVENT_BUTTON_SECONDARY) != 0);
|
||||
io.AddMouseButtonEvent(2, (button_state & AMOTION_EVENT_BUTTON_TERTIARY) != 0);
|
||||
}
|
||||
break;
|
||||
case AMOTION_EVENT_ACTION_HOVER_MOVE: // Hovering: Tool moves while NOT pressed (such as a physical mouse)
|
||||
case AMOTION_EVENT_ACTION_MOVE: // Touch pointer moves while DOWN
|
||||
io.AddMousePosEvent(AMotionEvent_getX(input_event, event_pointer_index), AMotionEvent_getY(input_event, event_pointer_index));
|
||||
break;
|
||||
case AMOTION_EVENT_ACTION_SCROLL:
|
||||
io.AddMouseWheelEvent(AMotionEvent_getAxisValue(input_event, AMOTION_EVENT_AXIS_HSCROLL, event_pointer_index), AMotionEvent_getAxisValue(input_event, AMOTION_EVENT_AXIS_VSCROLL, event_pointer_index));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool ImGui_ImplAndroid_Init(ANativeWindow* window)
|
||||
{
|
||||
g_Window = window;
|
||||
g_Time = 0.0;
|
||||
|
||||
// Setup backend capabilities flags
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
io.BackendPlatformName = "imgui_impl_android";
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplAndroid_Shutdown()
|
||||
{
|
||||
}
|
||||
|
||||
void ImGui_ImplAndroid_NewFrame(int32_t window_width,int32_t window_height)
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
|
||||
// Setup display size (every frame to accommodate for window resizing)
|
||||
//int32_t window_width = ANativeWindow_getWidth(g_Window);
|
||||
//int32_t window_height = ANativeWindow_getHeight(g_Window);
|
||||
int display_width = window_width;
|
||||
int display_height = window_height;
|
||||
|
||||
io.DisplaySize = ImVec2((float)window_width, (float)window_height);
|
||||
if (window_width > 0 && window_height > 0)
|
||||
io.DisplayFramebufferScale = ImVec2((float)display_width / window_width, (float)display_height / window_height);
|
||||
|
||||
// Setup time step
|
||||
struct timespec current_timespec;
|
||||
clock_gettime(CLOCK_MONOTONIC, ¤t_timespec);
|
||||
double current_time = (double)(current_timespec.tv_sec) + (current_timespec.tv_nsec / 1000000000.0);
|
||||
io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f / 60.0f);
|
||||
g_Time = current_time;
|
||||
}
|
||||
Executable
+29
@@ -0,0 +1,29 @@
|
||||
// dear imgui: Platform Binding for Android native app
|
||||
// This needs to be used along with the OpenGL 3 Renderer (imgui_impl_opengl3)
|
||||
|
||||
// Implemented features:
|
||||
// [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy AKEYCODE_* values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
|
||||
// Missing features:
|
||||
// [ ] Platform: Clipboard support.
|
||||
// [ ] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
|
||||
// [ ] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: Check if this is even possible with Android.
|
||||
// Important:
|
||||
// - Consider using SDL or GLFW backend on Android, which will be more full-featured than this.
|
||||
// - FIXME: On-screen keyboard currently needs to be enabled by the application (see examples/ and issue #3446)
|
||||
// - FIXME: Unicode character inputs needs to be passed by Dear ImGui by the application (see examples/ and issue #3446)
|
||||
|
||||
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
|
||||
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
#pragma once
|
||||
|
||||
struct ANativeWindow;
|
||||
struct AInputEvent;
|
||||
|
||||
IMGUI_IMPL_API bool ImGui_ImplAndroid_Init(ANativeWindow* window = NULL);
|
||||
IMGUI_IMPL_API int32_t ImGui_ImplAndroid_HandleInputEvent(AInputEvent* input_event);
|
||||
IMGUI_IMPL_API int32_t ImGui_ImplAndroid_HandleInputEvent(AInputEvent *input_event, ImVec2 screen_scale);
|
||||
IMGUI_IMPL_API void ImGui_ImplAndroid_Shutdown();
|
||||
IMGUI_IMPL_API void ImGui_ImplAndroid_NewFrame(int32_t window_width,int32_t window_height);
|
||||
Executable
+811
@@ -0,0 +1,811 @@
|
||||
// dear imgui: Renderer Backend for modern OpenGL with shaders / programmatic pipeline
|
||||
// - Desktop GL: 2.x 3.x 4.x
|
||||
// - Embedded GL: ES 2.0 (WebGL 1.0), ES 3.0 (WebGL 2.0)
|
||||
// This needs to be used along with a Platform Backend (e.g. GLFW, SDL, Win32, custom..)
|
||||
|
||||
// Implemented features:
|
||||
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
|
||||
// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices.
|
||||
|
||||
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
|
||||
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
// CHANGELOG
|
||||
// (minor and older changes stripped away, please see git history for details)
|
||||
// 2021-12-15: OpenGL: Using buffer orphaning + glBufferSubData(), seems to fix leaks with multi-viewports with some Intel HD drivers.
|
||||
// 2021-08-23: OpenGL: Fixed ES 3.0 shader ("#version 300 es") use normal precision floats to avoid wobbly rendering at HD resolutions.
|
||||
// 2021-08-19: OpenGL: Embed and use our own minimal GL loader (imgui_impl_opengl3_loader.h), removing requirement and support for third-party loader.
|
||||
// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
|
||||
// 2021-06-25: OpenGL: Use OES_vertex_array extension on Emscripten + backup/restore current state.
|
||||
// 2021-06-21: OpenGL: Destroy individual vertex/fragment shader objects right after they are linked into the main shader.
|
||||
// 2021-05-24: OpenGL: Access GL_CLIP_ORIGIN when "GL_ARB_clip_control" extension is detected, inside of just OpenGL 4.5 version.
|
||||
// 2021-05-19: OpenGL: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
|
||||
// 2021-04-06: OpenGL: Don't try to read GL_CLIP_ORIGIN unless we're OpenGL 4.5 or greater.
|
||||
// 2021-02-18: OpenGL: Change blending equation to preserve alpha in output buffer.
|
||||
// 2021-01-03: OpenGL: Backup, setup and restore GL_STENCIL_TEST state.
|
||||
// 2020-10-23: OpenGL: Backup, setup and restore GL_PRIMITIVE_RESTART state.
|
||||
// 2020-10-15: OpenGL: Use glGetString(GL_VERSION) instead of glGetIntegerv(GL_MAJOR_VERSION, ...) when the later returns zero (e.g. Desktop GL 2.x)
|
||||
// 2020-09-17: OpenGL: Fix to avoid compiling/calling glBindSampler() on ES or pre 3.3 context which have the defines set by a loader.
|
||||
// 2020-07-10: OpenGL: Added support for glad2 OpenGL loader.
|
||||
// 2020-05-08: OpenGL: Made default GLSL version 150 (instead of 130) on OSX.
|
||||
// 2020-04-21: OpenGL: Fixed handling of glClipControl(GL_UPPER_LEFT) by inverting projection matrix.
|
||||
// 2020-04-12: OpenGL: Fixed context version check mistakenly testing for 4.0+ instead of 3.2+ to enable ImGuiBackendFlags_RendererHasVtxOffset.
|
||||
// 2020-03-24: OpenGL: Added support for glbinding 2.x OpenGL loader.
|
||||
// 2020-01-07: OpenGL: Added support for glbinding 3.x OpenGL loader.
|
||||
// 2019-10-25: OpenGL: Using a combination of GL define and runtime GL version to decide whether to use glDrawElementsBaseVertex(). Fix building with pre-3.2 GL loaders.
|
||||
// 2019-09-22: OpenGL: Detect default GL loader using __has_include compiler facility.
|
||||
// 2019-09-16: OpenGL: Tweak initialization code to allow application calling ImGui_ImplOpenGL3_CreateFontsTexture() before the first NewFrame() call.
|
||||
// 2019-05-29: OpenGL: Desktop GL only: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
|
||||
// 2019-04-30: OpenGL: Added support for special ImDrawCallback_ResetRenderState callback to reset render state.
|
||||
// 2019-03-29: OpenGL: Not calling glBindBuffer more than necessary in the render loop.
|
||||
// 2019-03-15: OpenGL: Added a GL call + comments in ImGui_ImplOpenGL3_Init() to detect uninitialized GL function loaders early.
|
||||
// 2019-03-03: OpenGL: Fix support for ES 2.0 (WebGL 1.0).
|
||||
// 2019-02-20: OpenGL: Fix for OSX not supporting OpenGL 4.5, we don't try to read GL_CLIP_ORIGIN even if defined by the headers/loader.
|
||||
// 2019-02-11: OpenGL: Projecting clipping rectangles correctly using draw_data->FramebufferScale to allow multi-viewports for retina display.
|
||||
// 2019-02-01: OpenGL: Using GLSL 410 shaders for any version over 410 (e.g. 430, 450).
|
||||
// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window.
|
||||
// 2018-11-13: OpenGL: Support for GL 4.5's glClipControl(GL_UPPER_LEFT) / GL_CLIP_ORIGIN.
|
||||
// 2018-08-29: OpenGL: Added support for more OpenGL loaders: glew and glad, with comments indicative that any loader can be used.
|
||||
// 2018-08-09: OpenGL: Default to OpenGL ES 3 on iOS and Android. GLSL version default to "#version 300 ES".
|
||||
// 2018-07-30: OpenGL: Support for GLSL 300 ES and 410 core. Fixes for Emscripten compilation.
|
||||
// 2018-07-10: OpenGL: Support for more GLSL versions (based on the GLSL version string). Added error output when shaders fail to compile/link.
|
||||
// 2018-06-08: Misc: Extracted imgui_impl_opengl3.cpp/.h away from the old combined GLFW/SDL+OpenGL3 examples.
|
||||
// 2018-06-08: OpenGL: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle.
|
||||
// 2018-05-25: OpenGL: Removed unnecessary backup/restore of GL_ELEMENT_ARRAY_BUFFER_BINDING since this is part of the VAO state.
|
||||
// 2018-05-14: OpenGL: Making the call to glBindSampler() optional so 3.2 context won't fail if the function is a NULL pointer.
|
||||
// 2018-03-06: OpenGL: Added const char* glsl_version parameter to ImGui_ImplOpenGL3_Init() so user can override the GLSL version e.g. "#version 150".
|
||||
// 2018-02-23: OpenGL: Create the VAO in the render function so the setup can more easily be used with multiple shared GL context.
|
||||
// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplSdlGL3_RenderDrawData() in the .h file so you can call it yourself.
|
||||
// 2018-01-07: OpenGL: Changed GLSL shader version from 330 to 150.
|
||||
// 2017-09-01: OpenGL: Save and restore current bound sampler. Save and restore current polygon mode.
|
||||
// 2017-05-01: OpenGL: Fixed save and restore of current blend func state.
|
||||
// 2017-05-01: OpenGL: Fixed save and restore of current GL_ACTIVE_TEXTURE.
|
||||
// 2016-09-05: OpenGL: Fixed save and restore of current scissor rectangle.
|
||||
// 2016-07-29: OpenGL: Explicitly setting GL_UNPACK_ROW_LENGTH to reduce issues because SDL changes it. (#752)
|
||||
|
||||
//----------------------------------------
|
||||
// OpenGL GLSL GLSL
|
||||
// version version string
|
||||
//----------------------------------------
|
||||
// 2.0 110 "#version 110"
|
||||
// 2.1 120 "#version 120"
|
||||
// 3.0 130 "#version 130"
|
||||
// 3.1 140 "#version 140"
|
||||
// 3.2 150 "#version 150"
|
||||
// 3.3 330 "#version 330 core"
|
||||
// 4.0 400 "#version 400 core"
|
||||
// 4.1 410 "#version 410 core"
|
||||
// 4.2 420 "#version 410 core"
|
||||
// 4.3 430 "#version 430 core"
|
||||
// ES 2.0 100 "#version 100" = WebGL 1.0
|
||||
// ES 3.0 300 "#version 300 es" = WebGL 2.0
|
||||
//----------------------------------------
|
||||
|
||||
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
|
||||
#define _CRT_SECURE_NO_WARNINGS
|
||||
#endif
|
||||
|
||||
#include "imgui.h"
|
||||
#include "imgui_impl_opengl3.h"
|
||||
#include <stdio.h>
|
||||
#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
|
||||
#include <stddef.h> // intptr_t
|
||||
#else
|
||||
#include <stdint.h> // intptr_t
|
||||
#endif
|
||||
|
||||
// Clang warnings with -Weverything
|
||||
#if defined(__clang__)
|
||||
#pragma clang diagnostic push
|
||||
#pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast
|
||||
#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness
|
||||
#if __has_warning("-Wzero-as-null-pointer-constant")
|
||||
#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
|
||||
#endif
|
||||
#endif
|
||||
|
||||
// GL includes
|
||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||
#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV))
|
||||
#include <OpenGLES/ES2/gl.h> // Use GL ES 2
|
||||
#else
|
||||
#include <GLES2/gl2.h> // Use GL ES 2
|
||||
#endif
|
||||
#if defined(__EMSCRIPTEN__)
|
||||
#ifndef GL_GLEXT_PROTOTYPES
|
||||
#define GL_GLEXT_PROTOTYPES
|
||||
#endif
|
||||
#include <GLES2/gl2ext.h>
|
||||
#endif
|
||||
#elif defined(IMGUI_IMPL_OPENGL_ES3)
|
||||
#if defined(__APPLE__)
|
||||
#include <TargetConditionals.h>
|
||||
#endif
|
||||
#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV))
|
||||
#include <OpenGLES/ES3/gl.h> // Use GL ES 3
|
||||
#else
|
||||
#include <GLES3/gl3.h> // Use GL ES 3
|
||||
#endif
|
||||
#elif !defined(IMGUI_IMPL_OPENGL_LOADER_CUSTOM)
|
||||
// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers.
|
||||
// Helper libraries are often used for this purpose! Here we are using our own minimal custom loader based on gl3w.
|
||||
// In the rest of your app/engine, you can use another loader of your choice (gl3w, glew, glad, glbinding, glext, glLoadGen, etc.).
|
||||
// If you happen to be developing a new feature for this backend (imgui_impl_opengl3.cpp):
|
||||
// - You may need to regenerate imgui_impl_opengl3_loader.h to add new symbols. See https://github.com/dearimgui/gl3w_stripped
|
||||
// - You can temporarily use an unstripped version. See https://github.com/dearimgui/gl3w_stripped/releases
|
||||
// Changes to this backend using new APIs should be accompanied by a regenerated stripped loader version.
|
||||
#define IMGL3W_IMPL
|
||||
#include "imgui_impl_opengl3_loader.h"
|
||||
#endif
|
||||
|
||||
// Vertex arrays are not supported on ES2/WebGL1 unless Emscripten which uses an extension
|
||||
#ifndef IMGUI_IMPL_OPENGL_ES2
|
||||
#define IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
#elif defined(__EMSCRIPTEN__)
|
||||
#define IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
#define glBindVertexArray glBindVertexArrayOES
|
||||
#define glGenVertexArrays glGenVertexArraysOES
|
||||
#define glDeleteVertexArrays glDeleteVertexArraysOES
|
||||
#define GL_VERTEX_ARRAY_BINDING GL_VERTEX_ARRAY_BINDING_OES
|
||||
#endif
|
||||
|
||||
// Desktop GL 2.0+ has glPolygonMode() which GL ES and WebGL don't have.
|
||||
#ifdef GL_POLYGON_MODE
|
||||
#define IMGUI_IMPL_HAS_POLYGON_MODE
|
||||
#endif
|
||||
|
||||
// Desktop GL 3.2+ has glDrawElementsBaseVertex() which GL ES and WebGL don't have.
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) && defined(GL_VERSION_3_2)
|
||||
#define IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET
|
||||
#endif
|
||||
|
||||
// Desktop GL 3.3+ has glBindSampler()
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) && defined(GL_VERSION_3_3)
|
||||
#define IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
|
||||
#endif
|
||||
|
||||
// Desktop GL 3.1+ has GL_PRIMITIVE_RESTART state
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) && defined(GL_VERSION_3_1)
|
||||
#define IMGUI_IMPL_OPENGL_MAY_HAVE_PRIMITIVE_RESTART
|
||||
#endif
|
||||
|
||||
// Desktop GL use extension detection
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3)
|
||||
#define IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS
|
||||
#endif
|
||||
|
||||
// OpenGL Data
|
||||
struct ImGui_ImplOpenGL3_Data
|
||||
{
|
||||
GLuint GlVersion; // Extracted at runtime using GL_MAJOR_VERSION, GL_MINOR_VERSION queries (e.g. 320 for GL 3.2)
|
||||
char GlslVersionString[32]; // Specified by user or detected based on compile time GL settings.
|
||||
GLuint FontTexture;
|
||||
GLuint ShaderHandle;
|
||||
GLint AttribLocationTex; // Uniforms location
|
||||
GLint AttribLocationProjMtx;
|
||||
GLuint AttribLocationVtxPos; // Vertex attributes location
|
||||
GLuint AttribLocationVtxUV;
|
||||
GLuint AttribLocationVtxColor;
|
||||
unsigned int VboHandle, ElementsHandle;
|
||||
GLsizeiptr VertexBufferSize;
|
||||
GLsizeiptr IndexBufferSize;
|
||||
bool HasClipOrigin;
|
||||
|
||||
ImGui_ImplOpenGL3_Data() { memset(this, 0, sizeof(*this)); }
|
||||
};
|
||||
|
||||
// Backend data stored in io.BackendRendererUserData to allow support for multiple Dear ImGui contexts
|
||||
// It is STRONGLY preferred that you use docking branch with multi-viewports (== single Dear ImGui context + multiple windows) instead of multiple Dear ImGui contexts.
|
||||
static ImGui_ImplOpenGL3_Data* ImGui_ImplOpenGL3_GetBackendData()
|
||||
{
|
||||
return ImGui::GetCurrentContext() ? (ImGui_ImplOpenGL3_Data*)ImGui::GetIO().BackendRendererUserData : NULL;
|
||||
}
|
||||
|
||||
// Functions
|
||||
bool ImGui_ImplOpenGL3_Init(const char* glsl_version)
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
IM_ASSERT(io.BackendRendererUserData == NULL && "Already initialized a renderer backend!");
|
||||
|
||||
// Initialize our loader
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) && !defined(IMGUI_IMPL_OPENGL_LOADER_CUSTOM)
|
||||
if (imgl3wInit() != 0)
|
||||
{
|
||||
fprintf(stderr, "Failed to initialize OpenGL loader!\n");
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Setup backend capabilities flags
|
||||
ImGui_ImplOpenGL3_Data* bd = IM_NEW(ImGui_ImplOpenGL3_Data)();
|
||||
io.BackendRendererUserData = (void*)bd;
|
||||
io.BackendRendererName = "imgui_impl_opengl3";
|
||||
|
||||
// Query for GL version (e.g. 320 for GL 3.2)
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2)
|
||||
GLint major = 0;
|
||||
GLint minor = 0;
|
||||
glGetIntegerv(GL_MAJOR_VERSION, &major);
|
||||
glGetIntegerv(GL_MINOR_VERSION, &minor);
|
||||
if (major == 0 && minor == 0)
|
||||
{
|
||||
// Query GL_VERSION in desktop GL 2.x, the string will start with "<major>.<minor>"
|
||||
const char* gl_version = (const char*)glGetString(GL_VERSION);
|
||||
sscanf(gl_version, "%d.%d", &major, &minor);
|
||||
}
|
||||
bd->GlVersion = (GLuint)(major * 100 + minor * 10);
|
||||
#else
|
||||
bd->GlVersion = 200; // GLES 2
|
||||
#endif
|
||||
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET
|
||||
if (bd->GlVersion >= 320)
|
||||
io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes.
|
||||
#endif
|
||||
|
||||
// Store GLSL version string so we can refer to it later in case we recreate shaders.
|
||||
// Note: GLSL version is NOT the same as GL version. Leave this to NULL if unsure.
|
||||
if (glsl_version == NULL)
|
||||
{
|
||||
#if defined(IMGUI_IMPL_OPENGL_ES2)
|
||||
glsl_version = "#version 100";
|
||||
#elif defined(IMGUI_IMPL_OPENGL_ES3)
|
||||
glsl_version = "#version 300 es";
|
||||
#elif defined(__APPLE__)
|
||||
glsl_version = "#version 150";
|
||||
#else
|
||||
glsl_version = "#version 130";
|
||||
#endif
|
||||
}
|
||||
IM_ASSERT((int)strlen(glsl_version) + 2 < IM_ARRAYSIZE(bd->GlslVersionString));
|
||||
strcpy(bd->GlslVersionString, glsl_version);
|
||||
strcat(bd->GlslVersionString, "\n");
|
||||
|
||||
// Make an arbitrary GL call (we don't actually need the result)
|
||||
// IF YOU GET A CRASH HERE: it probably means the OpenGL function loader didn't do its job. Let us know!
|
||||
GLint current_texture;
|
||||
glGetIntegerv(GL_TEXTURE_BINDING_2D, ¤t_texture);
|
||||
|
||||
// Detect extensions we support
|
||||
bd->HasClipOrigin = (bd->GlVersion >= 450);
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_EXTENSIONS
|
||||
GLint num_extensions = 0;
|
||||
glGetIntegerv(GL_NUM_EXTENSIONS, &num_extensions);
|
||||
for (GLint i = 0; i < num_extensions; i++)
|
||||
{
|
||||
const char* extension = (const char*)glGetStringi(GL_EXTENSIONS, i);
|
||||
if (extension != NULL && strcmp(extension, "GL_ARB_clip_control") == 0)
|
||||
bd->HasClipOrigin = true;
|
||||
}
|
||||
#endif
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplOpenGL3_Shutdown()
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
IM_ASSERT(bd != NULL && "No renderer backend to shutdown, or already shutdown?");
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
|
||||
ImGui_ImplOpenGL3_DestroyDeviceObjects();
|
||||
io.BackendRendererName = NULL;
|
||||
io.BackendRendererUserData = NULL;
|
||||
IM_DELETE(bd);
|
||||
}
|
||||
|
||||
void ImGui_ImplOpenGL3_NewFrame()
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
IM_ASSERT(bd != NULL && "Did you call ImGui_ImplOpenGL3_Init()?");
|
||||
|
||||
if (!bd->ShaderHandle)
|
||||
ImGui_ImplOpenGL3_CreateDeviceObjects();
|
||||
}
|
||||
|
||||
static void ImGui_ImplOpenGL3_SetupRenderState(ImDrawData* draw_data, int fb_width, int fb_height, GLuint vertex_array_object)
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
|
||||
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, polygon fill
|
||||
glEnable(GL_BLEND);
|
||||
glBlendEquation(GL_FUNC_ADD);
|
||||
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
||||
glDisable(GL_CULL_FACE);
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
glDisable(GL_STENCIL_TEST);
|
||||
glEnable(GL_SCISSOR_TEST);
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_PRIMITIVE_RESTART
|
||||
if (bd->GlVersion >= 310)
|
||||
glDisable(GL_PRIMITIVE_RESTART);
|
||||
#endif
|
||||
#ifdef IMGUI_IMPL_HAS_POLYGON_MODE
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
||||
#endif
|
||||
|
||||
// Support for GL 4.5 rarely used glClipControl(GL_UPPER_LEFT)
|
||||
#if defined(GL_CLIP_ORIGIN)
|
||||
bool clip_origin_lower_left = true;
|
||||
if (bd->HasClipOrigin)
|
||||
{
|
||||
GLenum current_clip_origin = 0; glGetIntegerv(GL_CLIP_ORIGIN, (GLint*)¤t_clip_origin);
|
||||
if (current_clip_origin == GL_UPPER_LEFT)
|
||||
clip_origin_lower_left = false;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Setup viewport, orthographic projection matrix
|
||||
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
|
||||
glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height);
|
||||
float L = draw_data->DisplayPos.x;
|
||||
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
|
||||
float T = draw_data->DisplayPos.y;
|
||||
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
|
||||
#if defined(GL_CLIP_ORIGIN)
|
||||
if (!clip_origin_lower_left) { float tmp = T; T = B; B = tmp; } // Swap top and bottom if origin is upper left
|
||||
#endif
|
||||
const float ortho_projection[4][4] =
|
||||
{
|
||||
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
|
||||
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
|
||||
{ 0.0f, 0.0f, -1.0f, 0.0f },
|
||||
{ (R+L)/(L-R), (T+B)/(B-T), 0.0f, 1.0f },
|
||||
};
|
||||
glUseProgram(bd->ShaderHandle);
|
||||
glUniform1i(bd->AttribLocationTex, 0);
|
||||
glUniformMatrix4fv(bd->AttribLocationProjMtx, 1, GL_FALSE, &ortho_projection[0][0]);
|
||||
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
|
||||
if (bd->GlVersion >= 330)
|
||||
glBindSampler(0, 0); // We use combined texture/sampler state. Applications using GL 3.3 may set that otherwise.
|
||||
#endif
|
||||
|
||||
(void)vertex_array_object;
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
glBindVertexArray(vertex_array_object);
|
||||
#endif
|
||||
|
||||
// Bind vertex/index buffers and setup attributes for ImDrawVert
|
||||
glBindBuffer(GL_ARRAY_BUFFER, bd->VboHandle);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bd->ElementsHandle);
|
||||
glEnableVertexAttribArray(bd->AttribLocationVtxPos);
|
||||
glEnableVertexAttribArray(bd->AttribLocationVtxUV);
|
||||
glEnableVertexAttribArray(bd->AttribLocationVtxColor);
|
||||
glVertexAttribPointer(bd->AttribLocationVtxPos, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, pos));
|
||||
glVertexAttribPointer(bd->AttribLocationVtxUV, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, uv));
|
||||
glVertexAttribPointer(bd->AttribLocationVtxColor, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, col));
|
||||
}
|
||||
|
||||
// OpenGL3 Render function.
|
||||
// Note that this implementation is little overcomplicated because we are saving/setting up/restoring every OpenGL state explicitly.
|
||||
// This is in order to be able to run within an OpenGL engine that doesn't do so.
|
||||
void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
|
||||
{
|
||||
// Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates)
|
||||
int fb_width = (int)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x);
|
||||
int fb_height = (int)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y);
|
||||
if (fb_width <= 0 || fb_height <= 0)
|
||||
return;
|
||||
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
|
||||
// Backup GL state
|
||||
GLenum last_active_texture; glGetIntegerv(GL_ACTIVE_TEXTURE, (GLint*)&last_active_texture);
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
GLuint last_program; glGetIntegerv(GL_CURRENT_PROGRAM, (GLint*)&last_program);
|
||||
GLuint last_texture; glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint*)&last_texture);
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
|
||||
GLuint last_sampler; if (bd->GlVersion >= 330) { glGetIntegerv(GL_SAMPLER_BINDING, (GLint*)&last_sampler); } else { last_sampler = 0; }
|
||||
#endif
|
||||
GLuint last_array_buffer; glGetIntegerv(GL_ARRAY_BUFFER_BINDING, (GLint*)&last_array_buffer);
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
GLuint last_vertex_array_object; glGetIntegerv(GL_VERTEX_ARRAY_BINDING, (GLint*)&last_vertex_array_object);
|
||||
#endif
|
||||
#ifdef IMGUI_IMPL_HAS_POLYGON_MODE
|
||||
GLint last_polygon_mode[2]; glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode);
|
||||
#endif
|
||||
GLint last_viewport[4]; glGetIntegerv(GL_VIEWPORT, last_viewport);
|
||||
GLint last_scissor_box[4]; glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box);
|
||||
GLenum last_blend_src_rgb; glGetIntegerv(GL_BLEND_SRC_RGB, (GLint*)&last_blend_src_rgb);
|
||||
GLenum last_blend_dst_rgb; glGetIntegerv(GL_BLEND_DST_RGB, (GLint*)&last_blend_dst_rgb);
|
||||
GLenum last_blend_src_alpha; glGetIntegerv(GL_BLEND_SRC_ALPHA, (GLint*)&last_blend_src_alpha);
|
||||
GLenum last_blend_dst_alpha; glGetIntegerv(GL_BLEND_DST_ALPHA, (GLint*)&last_blend_dst_alpha);
|
||||
GLenum last_blend_equation_rgb; glGetIntegerv(GL_BLEND_EQUATION_RGB, (GLint*)&last_blend_equation_rgb);
|
||||
GLenum last_blend_equation_alpha; glGetIntegerv(GL_BLEND_EQUATION_ALPHA, (GLint*)&last_blend_equation_alpha);
|
||||
GLboolean last_enable_blend = glIsEnabled(GL_BLEND);
|
||||
GLboolean last_enable_cull_face = glIsEnabled(GL_CULL_FACE);
|
||||
GLboolean last_enable_depth_test = glIsEnabled(GL_DEPTH_TEST);
|
||||
GLboolean last_enable_stencil_test = glIsEnabled(GL_STENCIL_TEST);
|
||||
GLboolean last_enable_scissor_test = glIsEnabled(GL_SCISSOR_TEST);
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_PRIMITIVE_RESTART
|
||||
GLboolean last_enable_primitive_restart = (bd->GlVersion >= 310) ? glIsEnabled(GL_PRIMITIVE_RESTART) : GL_FALSE;
|
||||
#endif
|
||||
|
||||
// Setup desired GL state
|
||||
// Recreate the VAO every time (this is to easily allow multiple GL contexts to be rendered to. VAO are not shared among GL contexts)
|
||||
// The renderer would actually work without any VAO bound, but then our VertexAttrib calls would overwrite the default one currently bound.
|
||||
GLuint vertex_array_object = 0;
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
glGenVertexArrays(1, &vertex_array_object);
|
||||
#endif
|
||||
ImGui_ImplOpenGL3_SetupRenderState(draw_data, fb_width, fb_height, vertex_array_object);
|
||||
|
||||
// Will project scissor/clipping rectangles into framebuffer space
|
||||
ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports
|
||||
ImVec2 clip_scale = draw_data->FramebufferScale; // (1,1) unless using retina display which are often (2,2)
|
||||
|
||||
// Render command lists
|
||||
for (int n = 0; n < draw_data->CmdListsCount; n++)
|
||||
{
|
||||
const ImDrawList* cmd_list = draw_data->CmdLists[n];
|
||||
|
||||
// Upload vertex/index buffers
|
||||
GLsizeiptr vtx_buffer_size = (GLsizeiptr)cmd_list->VtxBuffer.Size * (int)sizeof(ImDrawVert);
|
||||
GLsizeiptr idx_buffer_size = (GLsizeiptr)cmd_list->IdxBuffer.Size * (int)sizeof(ImDrawIdx);
|
||||
if (bd->VertexBufferSize < vtx_buffer_size)
|
||||
{
|
||||
bd->VertexBufferSize = vtx_buffer_size;
|
||||
glBufferData(GL_ARRAY_BUFFER, bd->VertexBufferSize, NULL, GL_STREAM_DRAW);
|
||||
}
|
||||
if (bd->IndexBufferSize < idx_buffer_size)
|
||||
{
|
||||
bd->IndexBufferSize = idx_buffer_size;
|
||||
glBufferData(GL_ELEMENT_ARRAY_BUFFER, bd->IndexBufferSize, NULL, GL_STREAM_DRAW);
|
||||
}
|
||||
glBufferSubData(GL_ARRAY_BUFFER, 0, vtx_buffer_size, (const GLvoid*)cmd_list->VtxBuffer.Data);
|
||||
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, idx_buffer_size, (const GLvoid*)cmd_list->IdxBuffer.Data);
|
||||
|
||||
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
|
||||
{
|
||||
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
|
||||
if (pcmd->UserCallback != NULL)
|
||||
{
|
||||
// User callback, registered via ImDrawList::AddCallback()
|
||||
// (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.)
|
||||
if (pcmd->UserCallback == ImDrawCallback_ResetRenderState)
|
||||
ImGui_ImplOpenGL3_SetupRenderState(draw_data, fb_width, fb_height, vertex_array_object);
|
||||
else
|
||||
pcmd->UserCallback(cmd_list, pcmd);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Project scissor/clipping rectangles into framebuffer space
|
||||
ImVec2 clip_min((pcmd->ClipRect.x - clip_off.x) * clip_scale.x, (pcmd->ClipRect.y - clip_off.y) * clip_scale.y);
|
||||
ImVec2 clip_max((pcmd->ClipRect.z - clip_off.x) * clip_scale.x, (pcmd->ClipRect.w - clip_off.y) * clip_scale.y);
|
||||
if (clip_max.x <= clip_min.x || clip_max.y <= clip_min.y)
|
||||
continue;
|
||||
|
||||
// Apply scissor/clipping rectangle (Y is inverted in OpenGL)
|
||||
glScissor((int)clip_min.x, (int)((float)fb_height - clip_max.y), (int)(clip_max.x - clip_min.x), (int)(clip_max.y - clip_min.y));
|
||||
|
||||
// Bind texture, Draw
|
||||
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->GetTexID());
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET
|
||||
if (bd->GlVersion >= 320)
|
||||
glDrawElementsBaseVertex(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)), (GLint)pcmd->VtxOffset);
|
||||
else
|
||||
#endif
|
||||
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Destroy the temporary VAO
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
glDeleteVertexArrays(1, &vertex_array_object);
|
||||
#endif
|
||||
|
||||
// Restore modified GL state
|
||||
glUseProgram(last_program);
|
||||
glBindTexture(GL_TEXTURE_2D, last_texture);
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_BIND_SAMPLER
|
||||
if (bd->GlVersion >= 330)
|
||||
glBindSampler(0, last_sampler);
|
||||
#endif
|
||||
glActiveTexture(last_active_texture);
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
glBindVertexArray(last_vertex_array_object);
|
||||
#endif
|
||||
glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
|
||||
glBlendEquationSeparate(last_blend_equation_rgb, last_blend_equation_alpha);
|
||||
glBlendFuncSeparate(last_blend_src_rgb, last_blend_dst_rgb, last_blend_src_alpha, last_blend_dst_alpha);
|
||||
if (last_enable_blend) glEnable(GL_BLEND); else glDisable(GL_BLEND);
|
||||
if (last_enable_cull_face) glEnable(GL_CULL_FACE); else glDisable(GL_CULL_FACE);
|
||||
if (last_enable_depth_test) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST);
|
||||
if (last_enable_stencil_test) glEnable(GL_STENCIL_TEST); else glDisable(GL_STENCIL_TEST);
|
||||
if (last_enable_scissor_test) glEnable(GL_SCISSOR_TEST); else glDisable(GL_SCISSOR_TEST);
|
||||
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_PRIMITIVE_RESTART
|
||||
if (bd->GlVersion >= 310) { if (last_enable_primitive_restart) glEnable(GL_PRIMITIVE_RESTART); else glDisable(GL_PRIMITIVE_RESTART); }
|
||||
#endif
|
||||
|
||||
#ifdef IMGUI_IMPL_HAS_POLYGON_MODE
|
||||
glPolygonMode(GL_FRONT_AND_BACK, (GLenum)last_polygon_mode[0]);
|
||||
#endif
|
||||
glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]);
|
||||
glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]);
|
||||
(void)bd; // Not all compilation paths use this
|
||||
}
|
||||
|
||||
bool ImGui_ImplOpenGL3_CreateFontsTexture()
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
|
||||
// Build texture atlas
|
||||
unsigned char* pixels;
|
||||
int width, height;
|
||||
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bit (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
|
||||
|
||||
// Upload texture to graphics system
|
||||
GLint last_texture;
|
||||
glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
|
||||
glGenTextures(1, &bd->FontTexture);
|
||||
glBindTexture(GL_TEXTURE_2D, bd->FontTexture);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
#ifdef GL_UNPACK_ROW_LENGTH // Not on WebGL/ES
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
|
||||
#endif
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
|
||||
|
||||
// Store our identifier
|
||||
io.Fonts->SetTexID((ImTextureID)(intptr_t)bd->FontTexture);
|
||||
|
||||
// Restore state
|
||||
glBindTexture(GL_TEXTURE_2D, last_texture);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplOpenGL3_DestroyFontsTexture()
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
if (bd->FontTexture)
|
||||
{
|
||||
glDeleteTextures(1, &bd->FontTexture);
|
||||
io.Fonts->SetTexID(0);
|
||||
bd->FontTexture = 0;
|
||||
}
|
||||
}
|
||||
|
||||
// If you get an error please report on github. You may try different GL context version or GLSL version. See GL<>GLSL version table at the top of this file.
|
||||
static bool CheckShader(GLuint handle, const char* desc)
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
GLint status = 0, log_length = 0;
|
||||
glGetShaderiv(handle, GL_COMPILE_STATUS, &status);
|
||||
glGetShaderiv(handle, GL_INFO_LOG_LENGTH, &log_length);
|
||||
if ((GLboolean)status == GL_FALSE)
|
||||
fprintf(stderr, "ERROR: ImGui_ImplOpenGL3_CreateDeviceObjects: failed to compile %s! With GLSL: %s\n", desc, bd->GlslVersionString);
|
||||
if (log_length > 1)
|
||||
{
|
||||
ImVector<char> buf;
|
||||
buf.resize((int)(log_length + 1));
|
||||
glGetShaderInfoLog(handle, log_length, NULL, (GLchar*)buf.begin());
|
||||
fprintf(stderr, "%s\n", buf.begin());
|
||||
}
|
||||
return (GLboolean)status == GL_TRUE;
|
||||
}
|
||||
|
||||
// If you get an error please report on GitHub. You may try different GL context version or GLSL version.
|
||||
static bool CheckProgram(GLuint handle, const char* desc)
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
GLint status = 0, log_length = 0;
|
||||
glGetProgramiv(handle, GL_LINK_STATUS, &status);
|
||||
glGetProgramiv(handle, GL_INFO_LOG_LENGTH, &log_length);
|
||||
if ((GLboolean)status == GL_FALSE)
|
||||
fprintf(stderr, "ERROR: ImGui_ImplOpenGL3_CreateDeviceObjects: failed to link %s! With GLSL %s\n", desc, bd->GlslVersionString);
|
||||
if (log_length > 1)
|
||||
{
|
||||
ImVector<char> buf;
|
||||
buf.resize((int)(log_length + 1));
|
||||
glGetProgramInfoLog(handle, log_length, NULL, (GLchar*)buf.begin());
|
||||
fprintf(stderr, "%s\n", buf.begin());
|
||||
}
|
||||
return (GLboolean)status == GL_TRUE;
|
||||
}
|
||||
|
||||
bool ImGui_ImplOpenGL3_CreateDeviceObjects()
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
|
||||
// Backup GL state
|
||||
GLint last_texture, last_array_buffer;
|
||||
glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
|
||||
glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer);
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
GLint last_vertex_array;
|
||||
glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vertex_array);
|
||||
#endif
|
||||
|
||||
// Parse GLSL version string
|
||||
int glsl_version = 130;
|
||||
sscanf(bd->GlslVersionString, "#version %d", &glsl_version);
|
||||
|
||||
const GLchar* vertex_shader_glsl_120 =
|
||||
"uniform mat4 ProjMtx;\n"
|
||||
"attribute vec2 Position;\n"
|
||||
"attribute vec2 UV;\n"
|
||||
"attribute vec4 Color;\n"
|
||||
"varying vec2 Frag_UV;\n"
|
||||
"varying vec4 Frag_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Frag_UV = UV;\n"
|
||||
" Frag_Color = Color;\n"
|
||||
" gl_Position = ProjMtx * vec4(Position.xy,0,1);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* vertex_shader_glsl_130 =
|
||||
"uniform mat4 ProjMtx;\n"
|
||||
"in vec2 Position;\n"
|
||||
"in vec2 UV;\n"
|
||||
"in vec4 Color;\n"
|
||||
"out vec2 Frag_UV;\n"
|
||||
"out vec4 Frag_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Frag_UV = UV;\n"
|
||||
" Frag_Color = Color;\n"
|
||||
" gl_Position = ProjMtx * vec4(Position.xy,0,1);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* vertex_shader_glsl_300_es =
|
||||
"precision highp float;\n"
|
||||
"layout (location = 0) in vec2 Position;\n"
|
||||
"layout (location = 1) in vec2 UV;\n"
|
||||
"layout (location = 2) in vec4 Color;\n"
|
||||
"uniform mat4 ProjMtx;\n"
|
||||
"out vec2 Frag_UV;\n"
|
||||
"out vec4 Frag_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Frag_UV = UV;\n"
|
||||
" Frag_Color = Color;\n"
|
||||
" gl_Position = ProjMtx * vec4(Position.xy,0,1);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* vertex_shader_glsl_410_core =
|
||||
"layout (location = 0) in vec2 Position;\n"
|
||||
"layout (location = 1) in vec2 UV;\n"
|
||||
"layout (location = 2) in vec4 Color;\n"
|
||||
"uniform mat4 ProjMtx;\n"
|
||||
"out vec2 Frag_UV;\n"
|
||||
"out vec4 Frag_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Frag_UV = UV;\n"
|
||||
" Frag_Color = Color;\n"
|
||||
" gl_Position = ProjMtx * vec4(Position.xy,0,1);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* fragment_shader_glsl_120 =
|
||||
"#ifdef GL_ES\n"
|
||||
" precision mediump float;\n"
|
||||
"#endif\n"
|
||||
"uniform sampler2D Texture;\n"
|
||||
"varying vec2 Frag_UV;\n"
|
||||
"varying vec4 Frag_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" gl_FragColor = Frag_Color * texture2D(Texture, Frag_UV.st);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* fragment_shader_glsl_130 =
|
||||
"uniform sampler2D Texture;\n"
|
||||
"in vec2 Frag_UV;\n"
|
||||
"in vec4 Frag_Color;\n"
|
||||
"out vec4 Out_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* fragment_shader_glsl_300_es =
|
||||
"precision mediump float;\n"
|
||||
"uniform sampler2D Texture;\n"
|
||||
"in vec2 Frag_UV;\n"
|
||||
"in vec4 Frag_Color;\n"
|
||||
"layout (location = 0) out vec4 Out_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n"
|
||||
"}\n";
|
||||
|
||||
const GLchar* fragment_shader_glsl_410_core =
|
||||
"in vec2 Frag_UV;\n"
|
||||
"in vec4 Frag_Color;\n"
|
||||
"uniform sampler2D Texture;\n"
|
||||
"layout (location = 0) out vec4 Out_Color;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n"
|
||||
"}\n";
|
||||
|
||||
// Select shaders matching our GLSL versions
|
||||
const GLchar* vertex_shader = NULL;
|
||||
const GLchar* fragment_shader = NULL;
|
||||
if (glsl_version < 130)
|
||||
{
|
||||
vertex_shader = vertex_shader_glsl_120;
|
||||
fragment_shader = fragment_shader_glsl_120;
|
||||
}
|
||||
else if (glsl_version >= 410)
|
||||
{
|
||||
vertex_shader = vertex_shader_glsl_410_core;
|
||||
fragment_shader = fragment_shader_glsl_410_core;
|
||||
}
|
||||
else if (glsl_version == 300)
|
||||
{
|
||||
vertex_shader = vertex_shader_glsl_300_es;
|
||||
fragment_shader = fragment_shader_glsl_300_es;
|
||||
}
|
||||
else
|
||||
{
|
||||
vertex_shader = vertex_shader_glsl_130;
|
||||
fragment_shader = fragment_shader_glsl_130;
|
||||
}
|
||||
|
||||
// Create shaders
|
||||
const GLchar* vertex_shader_with_version[2] = { bd->GlslVersionString, vertex_shader };
|
||||
GLuint vert_handle = glCreateShader(GL_VERTEX_SHADER);
|
||||
glShaderSource(vert_handle, 2, vertex_shader_with_version, NULL);
|
||||
glCompileShader(vert_handle);
|
||||
CheckShader(vert_handle, "vertex shader");
|
||||
|
||||
const GLchar* fragment_shader_with_version[2] = { bd->GlslVersionString, fragment_shader };
|
||||
GLuint frag_handle = glCreateShader(GL_FRAGMENT_SHADER);
|
||||
glShaderSource(frag_handle, 2, fragment_shader_with_version, NULL);
|
||||
glCompileShader(frag_handle);
|
||||
CheckShader(frag_handle, "fragment shader");
|
||||
|
||||
// Link
|
||||
bd->ShaderHandle = glCreateProgram();
|
||||
glAttachShader(bd->ShaderHandle, vert_handle);
|
||||
glAttachShader(bd->ShaderHandle, frag_handle);
|
||||
glLinkProgram(bd->ShaderHandle);
|
||||
CheckProgram(bd->ShaderHandle, "shader program");
|
||||
|
||||
glDetachShader(bd->ShaderHandle, vert_handle);
|
||||
glDetachShader(bd->ShaderHandle, frag_handle);
|
||||
glDeleteShader(vert_handle);
|
||||
glDeleteShader(frag_handle);
|
||||
|
||||
bd->AttribLocationTex = glGetUniformLocation(bd->ShaderHandle, "Texture");
|
||||
bd->AttribLocationProjMtx = glGetUniformLocation(bd->ShaderHandle, "ProjMtx");
|
||||
bd->AttribLocationVtxPos = (GLuint)glGetAttribLocation(bd->ShaderHandle, "Position");
|
||||
bd->AttribLocationVtxUV = (GLuint)glGetAttribLocation(bd->ShaderHandle, "UV");
|
||||
bd->AttribLocationVtxColor = (GLuint)glGetAttribLocation(bd->ShaderHandle, "Color");
|
||||
|
||||
// Create buffers
|
||||
glGenBuffers(1, &bd->VboHandle);
|
||||
glGenBuffers(1, &bd->ElementsHandle);
|
||||
|
||||
ImGui_ImplOpenGL3_CreateFontsTexture();
|
||||
|
||||
// Restore modified GL state
|
||||
glBindTexture(GL_TEXTURE_2D, last_texture);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
|
||||
#ifdef IMGUI_IMPL_OPENGL_USE_VERTEX_ARRAY
|
||||
glBindVertexArray(last_vertex_array);
|
||||
#endif
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ImGui_ImplOpenGL3_DestroyDeviceObjects()
|
||||
{
|
||||
ImGui_ImplOpenGL3_Data* bd = ImGui_ImplOpenGL3_GetBackendData();
|
||||
if (bd->VboHandle) { glDeleteBuffers(1, &bd->VboHandle); bd->VboHandle = 0; }
|
||||
if (bd->ElementsHandle) { glDeleteBuffers(1, &bd->ElementsHandle); bd->ElementsHandle = 0; }
|
||||
if (bd->ShaderHandle) { glDeleteProgram(bd->ShaderHandle); bd->ShaderHandle = 0; }
|
||||
ImGui_ImplOpenGL3_DestroyFontsTexture();
|
||||
}
|
||||
|
||||
#if defined(__clang__)
|
||||
#pragma clang diagnostic pop
|
||||
#endif
|
||||
Executable
+55
@@ -0,0 +1,55 @@
|
||||
// dear imgui: Renderer Backend for modern OpenGL with shaders / programmatic pipeline
|
||||
// - Desktop GL: 2.x 3.x 4.x
|
||||
// - Embedded GL: ES 2.0 (WebGL 1.0), ES 3.0 (WebGL 2.0)
|
||||
// This needs to be used along with a Platform Backend (e.g. GLFW, SDL, Win32, custom..)
|
||||
|
||||
// Implemented features:
|
||||
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID!
|
||||
// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices.
|
||||
|
||||
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
|
||||
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
|
||||
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
|
||||
// Read online: https://github.com/ocornut/imgui/tree/master/docs
|
||||
|
||||
// About GLSL version:
|
||||
// The 'glsl_version' initialization parameter should be NULL (default) or a "#version XXX" string.
|
||||
// On computer platform the GLSL version default to "#version 130". On OpenGL ES 3 platform it defaults to "#version 300 es"
|
||||
// Only override if your GL version doesn't handle this GLSL version. See GLSL version table at the top of imgui_impl_opengl3.cpp.
|
||||
|
||||
#pragma once
|
||||
#include <imgui.h> // IMGUI_IMPL_API
|
||||
|
||||
// Backend API
|
||||
IMGUI_IMPL_API bool ImGui_ImplOpenGL3_Init(const char* glsl_version = NULL);
|
||||
IMGUI_IMPL_API void ImGui_ImplOpenGL3_Shutdown();
|
||||
IMGUI_IMPL_API void ImGui_ImplOpenGL3_NewFrame();
|
||||
IMGUI_IMPL_API void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data);
|
||||
|
||||
// (Optional) Called by Init/NewFrame/Shutdown
|
||||
IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateFontsTexture();
|
||||
IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyFontsTexture();
|
||||
IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateDeviceObjects();
|
||||
IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects();
|
||||
|
||||
// Specific OpenGL ES versions
|
||||
//#define IMGUI_IMPL_OPENGL_ES2 // Auto-detected on Emscripten
|
||||
//#define IMGUI_IMPL_OPENGL_ES3 // Auto-detected on iOS/Android
|
||||
|
||||
// You can explicitly select GLES2 or GLES3 API by using one of the '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line.
|
||||
#if !defined(IMGUI_IMPL_OPENGL_ES2) \
|
||||
&& !defined(IMGUI_IMPL_OPENGL_ES3)
|
||||
|
||||
// Try to detect GLES on matching platforms
|
||||
#if defined(__APPLE__)
|
||||
#include <TargetConditionals.h>
|
||||
#endif
|
||||
#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV)) || (defined(__ANDROID__))
|
||||
#define IMGUI_IMPL_OPENGL_ES3 // iOS, Android -> GL ES 3, "#version 300 es"
|
||||
#elif defined(__EMSCRIPTEN__)
|
||||
#define IMGUI_IMPL_OPENGL_ES2 // Emscripten -> GL ES 2, "#version 100"
|
||||
#else
|
||||
// Otherwise imgui_impl_opengl3_loader.h will be used.
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Executable
+2946
File diff suppressed because it is too large
Load Diff
Executable
+4062
File diff suppressed because it is too large
Load Diff
Executable
+8463
File diff suppressed because it is too large
Load Diff
Executable
+639
@@ -0,0 +1,639 @@
|
||||
// [DEAR IMGUI]
|
||||
// This is a slightly modified version of stb_rect_pack.h 1.00.
|
||||
// Those changes would need to be pushed into nothings/stb:
|
||||
// - Added STBRP__CDECL
|
||||
// Grep for [DEAR IMGUI] to find the changes.
|
||||
|
||||
// stb_rect_pack.h - v1.00 - public domain - rectangle packing
|
||||
// Sean Barrett 2014
|
||||
//
|
||||
// Useful for e.g. packing rectangular textures into an atlas.
|
||||
// Does not do rotation.
|
||||
//
|
||||
// Not necessarily the awesomest packing method, but better than
|
||||
// the totally naive one in stb_truetype (which is primarily what
|
||||
// this is meant to replace).
|
||||
//
|
||||
// Has only had a few tests run, may have issues.
|
||||
//
|
||||
// More docs to come.
|
||||
//
|
||||
// No memory allocations; uses qsort() and assert() from stdlib.
|
||||
// Can override those by defining STBRP_SORT and STBRP_ASSERT.
|
||||
//
|
||||
// This library currently uses the Skyline Bottom-Left algorithm.
|
||||
//
|
||||
// Please note: better rectangle packers are welcome! Please
|
||||
// implement them to the same API, but with a different init
|
||||
// function.
|
||||
//
|
||||
// Credits
|
||||
//
|
||||
// Library
|
||||
// Sean Barrett
|
||||
// Minor features
|
||||
// Martins Mozeiko
|
||||
// github:IntellectualKitty
|
||||
//
|
||||
// Bugfixes / warning fixes
|
||||
// Jeremy Jaussaud
|
||||
// Fabian Giesen
|
||||
//
|
||||
// Version history:
|
||||
//
|
||||
// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles
|
||||
// 0.99 (2019-02-07) warning fixes
|
||||
// 0.11 (2017-03-03) return packing success/fail result
|
||||
// 0.10 (2016-10-25) remove cast-away-const to avoid warnings
|
||||
// 0.09 (2016-08-27) fix compiler warnings
|
||||
// 0.08 (2015-09-13) really fix bug with empty rects (w=0 or h=0)
|
||||
// 0.07 (2015-09-13) fix bug with empty rects (w=0 or h=0)
|
||||
// 0.06 (2015-04-15) added STBRP_SORT to allow replacing qsort
|
||||
// 0.05: added STBRP_ASSERT to allow replacing assert
|
||||
// 0.04: fixed minor bug in STBRP_LARGE_RECTS support
|
||||
// 0.01: initial release
|
||||
//
|
||||
// LICENSE
|
||||
//
|
||||
// See end of file for license information.
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// INCLUDE SECTION
|
||||
//
|
||||
|
||||
#ifndef STB_INCLUDE_STB_RECT_PACK_H
|
||||
#define STB_INCLUDE_STB_RECT_PACK_H
|
||||
|
||||
#define STB_RECT_PACK_VERSION 1
|
||||
|
||||
#ifdef STBRP_STATIC
|
||||
#define STBRP_DEF static
|
||||
#else
|
||||
#define STBRP_DEF extern
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct stbrp_context stbrp_context;
|
||||
typedef struct stbrp_node stbrp_node;
|
||||
typedef struct stbrp_rect stbrp_rect;
|
||||
|
||||
#ifdef STBRP_LARGE_RECTS
|
||||
typedef int stbrp_coord;
|
||||
#else
|
||||
typedef unsigned short stbrp_coord;
|
||||
#endif
|
||||
|
||||
STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int num_rects);
|
||||
// Assign packed locations to rectangles. The rectangles are of type
|
||||
// 'stbrp_rect' defined below, stored in the array 'rects', and there
|
||||
// are 'num_rects' many of them.
|
||||
//
|
||||
// Rectangles which are successfully packed have the 'was_packed' flag
|
||||
// set to a non-zero value and 'x' and 'y' store the minimum location
|
||||
// on each axis (i.e. bottom-left in cartesian coordinates, top-left
|
||||
// if you imagine y increasing downwards). Rectangles which do not fit
|
||||
// have the 'was_packed' flag set to 0.
|
||||
//
|
||||
// You should not try to access the 'rects' array from another thread
|
||||
// while this function is running, as the function temporarily reorders
|
||||
// the array while it executes.
|
||||
//
|
||||
// To pack into another rectangle, you need to call stbrp_init_target
|
||||
// again. To continue packing into the same rectangle, you can call
|
||||
// this function again. Calling this multiple times with multiple rect
|
||||
// arrays will probably produce worse packing results than calling it
|
||||
// a single time with the full rectangle array, but the option is
|
||||
// available.
|
||||
//
|
||||
// The function returns 1 if all of the rectangles were successfully
|
||||
// packed and 0 otherwise.
|
||||
|
||||
struct stbrp_rect
|
||||
{
|
||||
// reserved for your use:
|
||||
int id;
|
||||
|
||||
// input:
|
||||
stbrp_coord w, h;
|
||||
|
||||
// output:
|
||||
stbrp_coord x, y;
|
||||
int was_packed; // non-zero if valid packing
|
||||
|
||||
}; // 16 bytes, nominally
|
||||
|
||||
|
||||
STBRP_DEF void stbrp_init_target (stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes);
|
||||
// Initialize a rectangle packer to:
|
||||
// pack a rectangle that is 'width' by 'height' in dimensions
|
||||
// using temporary storage provided by the array 'nodes', which is 'num_nodes' long
|
||||
//
|
||||
// You must call this function every time you start packing into a new target.
|
||||
//
|
||||
// There is no "shutdown" function. The 'nodes' memory must stay valid for
|
||||
// the following stbrp_pack_rects() call (or calls), but can be freed after
|
||||
// the call (or calls) finish.
|
||||
//
|
||||
// Note: to guarantee best results, either:
|
||||
// 1. make sure 'num_nodes' >= 'width'
|
||||
// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1'
|
||||
//
|
||||
// If you don't do either of the above things, widths will be quantized to multiples
|
||||
// of small integers to guarantee the algorithm doesn't run out of temporary storage.
|
||||
//
|
||||
// If you do #2, then the non-quantized algorithm will be used, but the algorithm
|
||||
// may run out of temporary storage and be unable to pack some rectangles.
|
||||
|
||||
STBRP_DEF void stbrp_setup_allow_out_of_mem (stbrp_context *context, int allow_out_of_mem);
|
||||
// Optionally call this function after init but before doing any packing to
|
||||
// change the handling of the out-of-temp-memory scenario, described above.
|
||||
// If you call init again, this will be reset to the default (false).
|
||||
|
||||
|
||||
STBRP_DEF void stbrp_setup_heuristic (stbrp_context *context, int heuristic);
|
||||
// Optionally select which packing heuristic the library should use. Different
|
||||
// heuristics will produce better/worse results for different data sets.
|
||||
// If you call init again, this will be reset to the default.
|
||||
|
||||
enum
|
||||
{
|
||||
STBRP_HEURISTIC_Skyline_default=0,
|
||||
STBRP_HEURISTIC_Skyline_BL_sortHeight = STBRP_HEURISTIC_Skyline_default,
|
||||
STBRP_HEURISTIC_Skyline_BF_sortHeight
|
||||
};
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// the details of the following structures don't matter to you, but they must
|
||||
// be visible so you can handle the memory allocations for them
|
||||
|
||||
struct stbrp_node
|
||||
{
|
||||
stbrp_coord x,y;
|
||||
stbrp_node *next;
|
||||
};
|
||||
|
||||
struct stbrp_context
|
||||
{
|
||||
int width;
|
||||
int height;
|
||||
int align;
|
||||
int init_mode;
|
||||
int heuristic;
|
||||
int num_nodes;
|
||||
stbrp_node *active_head;
|
||||
stbrp_node *free_head;
|
||||
stbrp_node extra[2]; // we allocate two extra nodes so optimal user-node-count is 'width' not 'width+2'
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPLEMENTATION SECTION
|
||||
//
|
||||
|
||||
#ifdef STB_RECT_PACK_IMPLEMENTATION
|
||||
#ifndef STBRP_SORT
|
||||
#include <stdlib.h>
|
||||
#define STBRP_SORT qsort
|
||||
#endif
|
||||
|
||||
#ifndef STBRP_ASSERT
|
||||
#include <assert.h>
|
||||
#define STBRP_ASSERT assert
|
||||
#endif
|
||||
|
||||
// [DEAR IMGUI] Added STBRP__CDECL
|
||||
#ifdef _MSC_VER
|
||||
#define STBRP__NOTUSED(v) (void)(v)
|
||||
#define STBRP__CDECL __cdecl
|
||||
#else
|
||||
#define STBRP__NOTUSED(v) (void)sizeof(v)
|
||||
#define STBRP__CDECL
|
||||
#endif
|
||||
|
||||
enum
|
||||
{
|
||||
STBRP__INIT_skyline = 1
|
||||
};
|
||||
|
||||
STBRP_DEF void stbrp_setup_heuristic(stbrp_context *context, int heuristic)
|
||||
{
|
||||
switch (context->init_mode) {
|
||||
case STBRP__INIT_skyline:
|
||||
STBRP_ASSERT(heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight || heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight);
|
||||
context->heuristic = heuristic;
|
||||
break;
|
||||
default:
|
||||
STBRP_ASSERT(0);
|
||||
}
|
||||
}
|
||||
|
||||
STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_out_of_mem)
|
||||
{
|
||||
if (allow_out_of_mem)
|
||||
// if it's ok to run out of memory, then don't bother aligning them;
|
||||
// this gives better packing, but may fail due to OOM (even though
|
||||
// the rectangles easily fit). @TODO a smarter approach would be to only
|
||||
// quantize once we've hit OOM, then we could get rid of this parameter.
|
||||
context->align = 1;
|
||||
else {
|
||||
// if it's not ok to run out of memory, then quantize the widths
|
||||
// so that num_nodes is always enough nodes.
|
||||
//
|
||||
// I.e. num_nodes * align >= width
|
||||
// align >= width / num_nodes
|
||||
// align = ceil(width/num_nodes)
|
||||
|
||||
context->align = (context->width + context->num_nodes-1) / context->num_nodes;
|
||||
}
|
||||
}
|
||||
|
||||
STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes)
|
||||
{
|
||||
int i;
|
||||
#ifndef STBRP_LARGE_RECTS
|
||||
STBRP_ASSERT(width <= 0xffff && height <= 0xffff);
|
||||
#endif
|
||||
|
||||
for (i=0; i < num_nodes-1; ++i)
|
||||
nodes[i].next = &nodes[i+1];
|
||||
nodes[i].next = NULL;
|
||||
context->init_mode = STBRP__INIT_skyline;
|
||||
context->heuristic = STBRP_HEURISTIC_Skyline_default;
|
||||
context->free_head = &nodes[0];
|
||||
context->active_head = &context->extra[0];
|
||||
context->width = width;
|
||||
context->height = height;
|
||||
context->num_nodes = num_nodes;
|
||||
stbrp_setup_allow_out_of_mem(context, 0);
|
||||
|
||||
// node 0 is the full width, node 1 is the sentinel (lets us not store width explicitly)
|
||||
context->extra[0].x = 0;
|
||||
context->extra[0].y = 0;
|
||||
context->extra[0].next = &context->extra[1];
|
||||
context->extra[1].x = (stbrp_coord) width;
|
||||
#ifdef STBRP_LARGE_RECTS
|
||||
context->extra[1].y = (1<<30);
|
||||
#else
|
||||
context->extra[1].y = 65535;
|
||||
#endif
|
||||
context->extra[1].next = NULL;
|
||||
}
|
||||
|
||||
// find minimum y position if it starts at x1
|
||||
static int stbrp__skyline_find_min_y(stbrp_context *c, stbrp_node *first, int x0, int width, int *pwaste)
|
||||
{
|
||||
stbrp_node *node = first;
|
||||
int x1 = x0 + width;
|
||||
int min_y, visited_width, waste_area;
|
||||
|
||||
STBRP__NOTUSED(c);
|
||||
|
||||
STBRP_ASSERT(first->x <= x0);
|
||||
|
||||
#if 0
|
||||
// skip in case we're past the node
|
||||
while (node->next->x <= x0)
|
||||
++node;
|
||||
#else
|
||||
STBRP_ASSERT(node->next->x > x0); // we ended up handling this in the caller for efficiency
|
||||
#endif
|
||||
|
||||
STBRP_ASSERT(node->x <= x0);
|
||||
|
||||
min_y = 0;
|
||||
waste_area = 0;
|
||||
visited_width = 0;
|
||||
while (node->x < x1) {
|
||||
if (node->y > min_y) {
|
||||
// raise min_y higher.
|
||||
// we've accounted for all waste up to min_y,
|
||||
// but we'll now add more waste for everything we've visted
|
||||
waste_area += visited_width * (node->y - min_y);
|
||||
min_y = node->y;
|
||||
// the first time through, visited_width might be reduced
|
||||
if (node->x < x0)
|
||||
visited_width += node->next->x - x0;
|
||||
else
|
||||
visited_width += node->next->x - node->x;
|
||||
} else {
|
||||
// add waste area
|
||||
int under_width = node->next->x - node->x;
|
||||
if (under_width + visited_width > width)
|
||||
under_width = width - visited_width;
|
||||
waste_area += under_width * (min_y - node->y);
|
||||
visited_width += under_width;
|
||||
}
|
||||
node = node->next;
|
||||
}
|
||||
|
||||
*pwaste = waste_area;
|
||||
return min_y;
|
||||
}
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int x,y;
|
||||
stbrp_node **prev_link;
|
||||
} stbrp__findresult;
|
||||
|
||||
static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int width, int height)
|
||||
{
|
||||
int best_waste = (1<<30), best_x, best_y = (1 << 30);
|
||||
stbrp__findresult fr;
|
||||
stbrp_node **prev, *node, *tail, **best = NULL;
|
||||
|
||||
// align to multiple of c->align
|
||||
width = (width + c->align - 1);
|
||||
width -= width % c->align;
|
||||
STBRP_ASSERT(width % c->align == 0);
|
||||
|
||||
// if it can't possibly fit, bail immediately
|
||||
if (width > c->width || height > c->height) {
|
||||
fr.prev_link = NULL;
|
||||
fr.x = fr.y = 0;
|
||||
return fr;
|
||||
}
|
||||
|
||||
node = c->active_head;
|
||||
prev = &c->active_head;
|
||||
while (node->x + width <= c->width) {
|
||||
int y,waste;
|
||||
y = stbrp__skyline_find_min_y(c, node, node->x, width, &waste);
|
||||
if (c->heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight) { // actually just want to test BL
|
||||
// bottom left
|
||||
if (y < best_y) {
|
||||
best_y = y;
|
||||
best = prev;
|
||||
}
|
||||
} else {
|
||||
// best-fit
|
||||
if (y + height <= c->height) {
|
||||
// can only use it if it first vertically
|
||||
if (y < best_y || (y == best_y && waste < best_waste)) {
|
||||
best_y = y;
|
||||
best_waste = waste;
|
||||
best = prev;
|
||||
}
|
||||
}
|
||||
}
|
||||
prev = &node->next;
|
||||
node = node->next;
|
||||
}
|
||||
|
||||
best_x = (best == NULL) ? 0 : (*best)->x;
|
||||
|
||||
// if doing best-fit (BF), we also have to try aligning right edge to each node position
|
||||
//
|
||||
// e.g, if fitting
|
||||
//
|
||||
// ____________________
|
||||
// |____________________|
|
||||
//
|
||||
// into
|
||||
//
|
||||
// | |
|
||||
// | ____________|
|
||||
// |____________|
|
||||
//
|
||||
// then right-aligned reduces waste, but bottom-left BL is always chooses left-aligned
|
||||
//
|
||||
// This makes BF take about 2x the time
|
||||
|
||||
if (c->heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight) {
|
||||
tail = c->active_head;
|
||||
node = c->active_head;
|
||||
prev = &c->active_head;
|
||||
// find first node that's admissible
|
||||
while (tail->x < width)
|
||||
tail = tail->next;
|
||||
while (tail) {
|
||||
int xpos = tail->x - width;
|
||||
int y,waste;
|
||||
STBRP_ASSERT(xpos >= 0);
|
||||
// find the left position that matches this
|
||||
while (node->next->x <= xpos) {
|
||||
prev = &node->next;
|
||||
node = node->next;
|
||||
}
|
||||
STBRP_ASSERT(node->next->x > xpos && node->x <= xpos);
|
||||
y = stbrp__skyline_find_min_y(c, node, xpos, width, &waste);
|
||||
if (y + height <= c->height) {
|
||||
if (y <= best_y) {
|
||||
if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) {
|
||||
best_x = xpos;
|
||||
STBRP_ASSERT(y <= best_y);
|
||||
best_y = y;
|
||||
best_waste = waste;
|
||||
best = prev;
|
||||
}
|
||||
}
|
||||
}
|
||||
tail = tail->next;
|
||||
}
|
||||
}
|
||||
|
||||
fr.prev_link = best;
|
||||
fr.x = best_x;
|
||||
fr.y = best_y;
|
||||
return fr;
|
||||
}
|
||||
|
||||
static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, int width, int height)
|
||||
{
|
||||
// find best position according to heuristic
|
||||
stbrp__findresult res = stbrp__skyline_find_best_pos(context, width, height);
|
||||
stbrp_node *node, *cur;
|
||||
|
||||
// bail if:
|
||||
// 1. it failed
|
||||
// 2. the best node doesn't fit (we don't always check this)
|
||||
// 3. we're out of memory
|
||||
if (res.prev_link == NULL || res.y + height > context->height || context->free_head == NULL) {
|
||||
res.prev_link = NULL;
|
||||
return res;
|
||||
}
|
||||
|
||||
// on success, create new node
|
||||
node = context->free_head;
|
||||
node->x = (stbrp_coord) res.x;
|
||||
node->y = (stbrp_coord) (res.y + height);
|
||||
|
||||
context->free_head = node->next;
|
||||
|
||||
// insert the new node into the right starting point, and
|
||||
// let 'cur' point to the remaining nodes needing to be
|
||||
// stiched back in
|
||||
|
||||
cur = *res.prev_link;
|
||||
if (cur->x < res.x) {
|
||||
// preserve the existing one, so start testing with the next one
|
||||
stbrp_node *next = cur->next;
|
||||
cur->next = node;
|
||||
cur = next;
|
||||
} else {
|
||||
*res.prev_link = node;
|
||||
}
|
||||
|
||||
// from here, traverse cur and free the nodes, until we get to one
|
||||
// that shouldn't be freed
|
||||
while (cur->next && cur->next->x <= res.x + width) {
|
||||
stbrp_node *next = cur->next;
|
||||
// move the current node to the free list
|
||||
cur->next = context->free_head;
|
||||
context->free_head = cur;
|
||||
cur = next;
|
||||
}
|
||||
|
||||
// stitch the list back in
|
||||
node->next = cur;
|
||||
|
||||
if (cur->x < res.x + width)
|
||||
cur->x = (stbrp_coord) (res.x + width);
|
||||
|
||||
#ifdef _DEBUG
|
||||
cur = context->active_head;
|
||||
while (cur->x < context->width) {
|
||||
STBRP_ASSERT(cur->x < cur->next->x);
|
||||
cur = cur->next;
|
||||
}
|
||||
STBRP_ASSERT(cur->next == NULL);
|
||||
|
||||
{
|
||||
int count=0;
|
||||
cur = context->active_head;
|
||||
while (cur) {
|
||||
cur = cur->next;
|
||||
++count;
|
||||
}
|
||||
cur = context->free_head;
|
||||
while (cur) {
|
||||
cur = cur->next;
|
||||
++count;
|
||||
}
|
||||
STBRP_ASSERT(count == context->num_nodes+2);
|
||||
}
|
||||
#endif
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
// [DEAR IMGUI] Added STBRP__CDECL
|
||||
static int STBRP__CDECL rect_height_compare(const void *a, const void *b)
|
||||
{
|
||||
const stbrp_rect *p = (const stbrp_rect *) a;
|
||||
const stbrp_rect *q = (const stbrp_rect *) b;
|
||||
if (p->h > q->h)
|
||||
return -1;
|
||||
if (p->h < q->h)
|
||||
return 1;
|
||||
return (p->w > q->w) ? -1 : (p->w < q->w);
|
||||
}
|
||||
|
||||
// [DEAR IMGUI] Added STBRP__CDECL
|
||||
static int STBRP__CDECL rect_original_order(const void *a, const void *b)
|
||||
{
|
||||
const stbrp_rect *p = (const stbrp_rect *) a;
|
||||
const stbrp_rect *q = (const stbrp_rect *) b;
|
||||
return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
|
||||
}
|
||||
|
||||
#ifdef STBRP_LARGE_RECTS
|
||||
#define STBRP__MAXVAL 0xffffffff
|
||||
#else
|
||||
#define STBRP__MAXVAL 0xffff
|
||||
#endif
|
||||
|
||||
STBRP_DEF int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects)
|
||||
{
|
||||
int i, all_rects_packed = 1;
|
||||
|
||||
// we use the 'was_packed' field internally to allow sorting/unsorting
|
||||
for (i=0; i < num_rects; ++i) {
|
||||
rects[i].was_packed = i;
|
||||
}
|
||||
|
||||
// sort according to heuristic
|
||||
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_height_compare);
|
||||
|
||||
for (i=0; i < num_rects; ++i) {
|
||||
if (rects[i].w == 0 || rects[i].h == 0) {
|
||||
rects[i].x = rects[i].y = 0; // empty rect needs no space
|
||||
} else {
|
||||
stbrp__findresult fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h);
|
||||
if (fr.prev_link) {
|
||||
rects[i].x = (stbrp_coord) fr.x;
|
||||
rects[i].y = (stbrp_coord) fr.y;
|
||||
} else {
|
||||
rects[i].x = rects[i].y = STBRP__MAXVAL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// unsort
|
||||
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_original_order);
|
||||
|
||||
// set was_packed flags and all_rects_packed status
|
||||
for (i=0; i < num_rects; ++i) {
|
||||
rects[i].was_packed = !(rects[i].x == STBRP__MAXVAL && rects[i].y == STBRP__MAXVAL);
|
||||
if (!rects[i].was_packed)
|
||||
all_rects_packed = 0;
|
||||
}
|
||||
|
||||
// return the all_rects_packed status
|
||||
return all_rects_packed;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
------------------------------------------------------------------------------
|
||||
This software is available under 2 licenses -- choose whichever you prefer.
|
||||
------------------------------------------------------------------------------
|
||||
ALTERNATIVE A - MIT License
|
||||
Copyright (c) 2017 Sean Barrett
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
this software and associated documentation files (the "Software"), to deal in
|
||||
the Software without restriction, including without limitation the rights to
|
||||
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
||||
of the Software, and to permit persons to whom the Software is furnished to do
|
||||
so, subject to the following conditions:
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
------------------------------------------------------------------------------
|
||||
ALTERNATIVE B - Public Domain (www.unlicense.org)
|
||||
This is free and unencumbered software released into the public domain.
|
||||
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
|
||||
software, either in source code form or as a compiled binary, for any purpose,
|
||||
commercial or non-commercial, and by any means.
|
||||
In jurisdictions that recognize copyright laws, the author or authors of this
|
||||
software dedicate any and all copyright interest in the software to the public
|
||||
domain. We make this dedication for the benefit of the public at large and to
|
||||
the detriment of our heirs and successors. We intend this dedication to be an
|
||||
overt act of relinquishment in perpetuity of all present and future rights to
|
||||
this software under copyright law.
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
------------------------------------------------------------------------------
|
||||
*/
|
||||
Executable
+1449
File diff suppressed because it is too large
Load Diff
Executable
+4903
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user