OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

shaderutil: Fix detection of shaders

Browse Source 
Check for versions >= 2.0 (because some drivers return 3.0), and return
GL_FALSE if shaders are not detected.
This commit is contained in:
Ian Romanick
2009-11-23 18:32:27 -08:00
parent a11750218f
commit da0883114b
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
progs/util/shaderutil.c
View File

@@ -25,7 +25,11 @@ GLboolean
ShadersSupported(void) ShadersSupported(void)
{ {
const char *version = (const char *) glGetString(GL_VERSION); const char *version = (const char *) glGetString(GL_VERSION);
if (version[0] == '2' && version[1] == '.') {
/* NVIDIA binary drivers will return "3.0.0", and they clearly support
* shaders.
*/
if (version[0] >= '2' && version[1] == '.') {
return GL_TRUE; return GL_TRUE;
} }
else if (glutExtensionSupported("GL_ARB_vertex_shader") else if (glutExtensionSupported("GL_ARB_vertex_shader")
@@ -34,7 +38,7 @@ ShadersSupported(void)
fprintf(stderr, "Warning: Trying ARB GLSL instead of OpenGL 2.x. This may not work.\n"); fprintf(stderr, "Warning: Trying ARB GLSL instead of OpenGL 2.x. This may not work.\n");
return GL_TRUE; return GL_TRUE;
} }
return GL_TRUE; return GL_FALSE;
} }