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OpenGLES 2.0 support on PLATFORM_DESKTOP

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Go Watanabe 2022-12-28 23:00:56 +09:00
parent 03cc540d5f
commit ec550a467d
3 changed files with 4787 additions and 1 deletions
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2
cmake/LibraryConfigurations.cmake
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@ -93,7 +93,7 @@ elseif ("${PLATFORM}" MATCHES "DRM")
endif () endif ()
if (${OPENGL_VERSION}) if (NOT ${OPENGL_VERSION})
set(${SUGGESTED_GRAPHICS} "${GRAPHICS}") set(${SUGGESTED_GRAPHICS} "${GRAPHICS}")
if (${OPENGL_VERSION} MATCHES "4.3") if (${OPENGL_VERSION} MATCHES "4.3")
set(GRAPHICS "GRAPHICS_API_OPENGL_43") set(GRAPHICS "GRAPHICS_API_OPENGL_43")

4774
src/external/gles2.h vendored Normal file
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12
src/rlgl.h
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@ -789,10 +789,16 @@ RLAPI void rlLoadDrawQuad(void); // Load and draw a quad
#endif #endif
#if defined(GRAPHICS_API_OPENGL_ES2) #if defined(GRAPHICS_API_OPENGL_ES2)
#if defined(PLATFORM_DESKTOP)
#define GLAD_GLES2_IMPLEMENTATION
#include "external/gles2.h"
#else
#define GL_GLEXT_PROTOTYPES #define GL_GLEXT_PROTOTYPES
//#include <EGL/egl.h> // EGL library -> not required, platform layer //#include <EGL/egl.h> // EGL library -> not required, platform layer
#include <GLES2/gl2.h> // OpenGL ES 2.0 library #include <GLES2/gl2.h> // OpenGL ES 2.0 library
#include <GLES2/gl2ext.h> // OpenGL ES 2.0 extensions library #include <GLES2/gl2ext.h> // OpenGL ES 2.0 extensions library
#endif
// It seems OpenGL ES 2.0 instancing entry points are not defined on Raspberry Pi // It seems OpenGL ES 2.0 instancing entry points are not defined on Raspberry Pi
// provided headers (despite being defined in official Khronos GLES2 headers) // provided headers (despite being defined in official Khronos GLES2 headers)
@ -2144,6 +2150,12 @@ void rlLoadExtensions(void *loader)
#endif // GRAPHICS_API_OPENGL_33 #endif // GRAPHICS_API_OPENGL_33
#if defined(GRAPHICS_API_OPENGL_ES2) #if defined(GRAPHICS_API_OPENGL_ES2)
#if defined(PLATFORM_DESKTOP)
if (gladLoadGLES2((GLADloadfunc)loader) == 0) TRACELOG(RL_LOG_WARNING, "GLAD: Cannot load OpenGL ES2.0 functions");
else TRACELOG(RL_LOG_INFO, "GLAD: OpenGL ES2.0 loaded successfully");
#endif
// Get supported extensions list // Get supported extensions list
GLint numExt = 0; GLint numExt = 0;
const char **extList = RL_MALLOC(512*sizeof(const char *)); // Allocate 512 strings pointers (2 KB) const char **extList = RL_MALLOC(512*sizeof(const char *)); // Allocate 512 strings pointers (2 KB)