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Avoid glGetStringi() on OpenGL 2.1

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raysan5 2020-05-18 13:24:21 +02:00
parent d9a96c4ca0
commit 6acb7bcfe4
1 changed files with 6 additions and 3 deletions
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9
src/rlgl.h
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@ -1564,7 +1564,7 @@ void rlglInit(int width, int height)
// Get supported extensions list
GLint numExt = 0;
#if defined(GRAPHICS_API_OPENGL_33)
#if defined(GRAPHICS_API_OPENGL_33) && !defined(GRAPHICS_API_OPENGL_21)
// NOTE: On OpenGL 3.3 VAO and NPOT are supported by default
RLGL.ExtSupported.vao = true;
@ -1583,7 +1583,8 @@ void rlglInit(int width, int height)
// Get extensions strings
for (int i = 0; i < numExt; i++) extList[i] = (char *)glGetStringi(GL_EXTENSIONS, i);
#elif defined(GRAPHICS_API_OPENGL_ES2)
#endif
#if defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_21)
// Allocate 512 strings pointers (2 KB)
const char **extList = RL_MALLOC(sizeof(const char *)*512);
@ -1682,9 +1683,11 @@ void rlglInit(int width, int height)
// Free extensions pointers
RL_FREE(extList);
#if defined(GRAPHICS_API_OPENGL_ES2)
#if defined(GRAPHICS_API_OPENGL_ES2) || defined(GRAPHICS_API_OPENGL_21)
RL_FREE(extensionsDup); // Duplicated string must be deallocated
#endif
#if defined(GRAPHICS_API_OPENGL_ES2)
if (RLGL.ExtSupported.vao) TRACELOG(LOG_INFO, "GL: VAO extension detected, VAO functions initialized successfully");
else TRACELOG(LOG_WARNING, "GL: VAO extension not found, VAO usage not supported");