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imgui_impl_opengl2.cpp: Restore Doom3 compatibility

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Daniel Gibson 2024-10-02 22:16:36 +02:00
parent 6bcd18e269
commit 9dffb367e2
1 changed files with 41 additions and 0 deletions
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41
neo/libs/imgui/backends/imgui_impl_opengl2.cpp
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@ -52,6 +52,9 @@
#pragma clang diagnostic ignored "-Wnonportable-system-include-path" #pragma clang diagnostic ignored "-Wnonportable-system-include-path"
#endif #endif
// DG: use qgl instead of GL/gl.h for dhewm3 (where D3_OSTYPE is always defined by CMake)
#ifndef D3_OSTYPE
// Include OpenGL header (without an OpenGL loader) requires a bit of fiddling // Include OpenGL header (without an OpenGL loader) requires a bit of fiddling
#if defined(_WIN32) && !defined(APIENTRY) #if defined(_WIN32) && !defined(APIENTRY)
#define APIENTRY __stdcall // It is customary to use APIENTRY for OpenGL function pointer declarations on all platforms. Additionally, the Windows OpenGL header needs APIENTRY. #define APIENTRY __stdcall // It is customary to use APIENTRY for OpenGL function pointer declarations on all platforms. Additionally, the Windows OpenGL header needs APIENTRY.
@ -66,6 +69,44 @@
#include <GL/gl.h> #include <GL/gl.h>
#endif #endif
#else // DG: use qgl
#include "renderer/qgl.h"
// creating some #defines for the used gl functions instead of adapting the code below
// will make updating to new imgui versions easier
#define glBindTexture qglBindTexture
#define glBlendFunc qglBlendFunc
#define glColorPointer qglColorPointer
#define glDeleteTextures qglDeleteTextures
#define glDisableClientState qglDisableClientState
#define glDisable qglDisable
#define glDrawElements qglDrawElements
#define glEnableClientState qglEnableClientState
#define glEnable qglEnable
#define glGenTextures qglGenTextures
#define glGetIntegerv qglGetIntegerv
#define glGetTexEnviv qglGetTexEnviv
#define glLoadIdentity qglLoadIdentity
#define glMatrixMode qglMatrixMode
#define glOrtho qglOrtho
#define glPixelStorei qglPixelStorei
#define glPolygonMode qglPolygonMode
#define glPopAttrib qglPopAttrib
#define glPopMatrix qglPopMatrix
#define glPushAttrib qglPushAttrib
#define glPushMatrix qglPushMatrix
#define glScissor qglScissor
#define glShadeModel qglShadeModel
#define glTexCoordPointer qglTexCoordPointer
#define glTexEnvi qglTexEnvi
#define glTexImage2D qglTexImage2D
#define glTexParameteri qglTexParameteri
#define glVertexPointer qglVertexPointer
#define glViewport qglViewport
#endif // DG: use qgl
struct ImGui_ImplOpenGL2_Data struct ImGui_ImplOpenGL2_Data
{ {
GLuint FontTexture; GLuint FontTexture;