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GLX version for GL 3.3 Core

This commit is contained in:
Jannik Vogel 2015-07-12 04:23:15 +02:00
parent be5a78e918
commit 6acc7e2d13
1 changed files with 39 additions and 5 deletions
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44
gl/gloffscreen_glx.c
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@ -52,8 +52,8 @@ GloContext *glo_context_create(int formatFlags)
if (!initialized) { if (!initialized) {
x_display = XOpenDisplay(0); x_display = XOpenDisplay(0);
printf("gloffscreen: GLX_VERSION = %s\n", glXGetClientString(x_display, GLX_VERSION)); printf("gloffscreen: GLX_VERSION = %s\n", glXGetClientString(x_display, GLX_VERSION));
printf("gloffscreen: GLX_VENDOR = %s\n", glXGetClientString(x_display, GLX_VENDOR)); printf("gloffscreen: GLX_VENDOR = %s\n", glXGetClientString(x_display, GLX_VENDOR));
} else { } else {
printf("gloffscreen already inited\n"); printf("gloffscreen already inited\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
@ -95,17 +95,51 @@ GloContext *glo_context_create(int formatFlags)
#endif #endif
/* Create GLX context */ /* Create GLX context */
context->glx_context = glXCreateNewContext(x_display, configs[0], GLX_RGBA_TYPE, NULL, True);
/* FIXME: Check for "GLX_ARB_create_context" extension*/
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
typedef GLXContext (*GLXCREATECONTEXTATTRIBSARBPROC)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = (GLXCREATECONTEXTATTRIBSARBPROC) glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
if (glXCreateContextAttribsARB == NULL) return NULL;
int context_attribute_list[] = {
GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
GLX_CONTEXT_MINOR_VERSION_ARB, 3,
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
None
};
context->glx_context = glXCreateContextAttribsARB(x_display, configs[0], 0, True, context_attribute_list);
if (context->glx_context == NULL) {
assert(0);
}
XSync(x_display, False);
if (context->glx_context == NULL) return NULL; if (context->glx_context == NULL) return NULL;
glo_set_current(context); glo_set_current(context);
if (!initialized) { if (!initialized) {
/* Initialize glew */ /* Initialize glew */
glewExperimental = GL_TRUE;
if (GLEW_OK != glewInit()) { if (GLEW_OK != glewInit()) {
/* GLEW failed! */ /* GLEW failed! */
printf("Glew init failed."); printf("GLEW init failed.");
exit(1); exit(1);
} }
/* Get rid of GLEW errors */
while(glGetError() != GL_NO_ERROR);
GLint major, minor;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
printf("GL %d.%d\n",major,minor);
#if 0
if (GLEW_VERSION_3_3) {
printf("OpenGL 3.3 Core not supported!\n");
exit(1);
}
#endif
} }
initialized = true; initialized = true;
@ -132,6 +166,6 @@ void glo_context_destroy(GloContext *context)
{ {
if (!context) { return; } if (!context) { return; }
glo_set_current(NULL); glo_set_current(NULL);
glXDestroyContext(x_display, context->glx_context); glXDestroyContext(x_display, context->glx_context);
} }