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OpenGLES 2.0 support on PLATFORM_DESKTOP (#2840)

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* OpenGLES 2.0 support on PLATFORM_DESKTOP

* exmples raylib_opengl_interop desktop GLES2 support

* rename gles2.h -> glad_gles2.h
This commit is contained in:
Go Watanabe
2023-01-10 20:34:06 +09:00
committed by GitHub
parent 6dd1d2d931
commit f549f67be9
5 changed files with 9581 additions and 11 deletions
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4774
src/external/glad_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
#if defined(GRAPHICS_API_OPENGL_ES2)
#if defined(PLATFORM_DESKTOP)
#define GLAD_GLES2_IMPLEMENTATION
#include "external/glad_gles2.h"
#else
#define GL_GLEXT_PROTOTYPES
//#include <EGL/egl.h> // EGL library -> not required, platform layer
#include <GLES2/gl2.h> // OpenGL ES 2.0 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
// provided headers (despite being defined in official Khronos GLES2 headers)
@@ -2144,6 +2150,12 @@ void rlLoadExtensions(void *loader)
#endif // GRAPHICS_API_OPENGL_33
#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
GLint numExt = 0;
const char **extList = RL_MALLOC(512*sizeof(const char *)); // Allocate 512 strings pointers (2 KB)