OSMesaCreateContextExt(GLenum format, GLint depthBits, GLint stencilBits,
GLint accumBits, OSMesaContext sharelist)
{
+ int attribs[100], n = 0;
+
+ attribs[n++] = OSMESA_FORMAT;
+ attribs[n++] = format;
+ attribs[n++] = OSMESA_DEPTH_BITS;
+ attribs[n++] = depthBits;
+ attribs[n++] = OSMESA_STENCIL_BITS;
+ attribs[n++] = stencilBits;
+ attribs[n++] = OSMESA_ACCUM_BITS;
+ attribs[n++] = accumBits;
+ attribs[n++] = 0;
+
+ return OSMesaCreateContextAttribs(attribs, sharelist);
+}
+
+
+/**
+ * New in Mesa 11.2
+ *
+ * Create context with attribute list.
+ */
+GLAPI OSMesaContext GLAPIENTRY
+OSMesaCreateContextAttribs(const int *attribList, OSMesaContext sharelist)
+{
OSMesaContext osmesa;
struct st_context_iface *st_shared;
enum st_context_error st_error = 0;
struct st_context_attribs attribs;
struct st_api *stapi = get_st_api();
+ GLenum format = GL_RGBA;
+ int depthBits = 0, stencilBits = 0, accumBits = 0;
+ int profile = OSMESA_COMPAT_PROFILE, version_major = 1, version_minor = 0;
+ int i;
if (sharelist) {
st_shared = sharelist->stctx;
st_shared = NULL;
}
+ for (i = 0; attribList[i]; i += 2) {
+ switch (attribList[i]) {
+ case OSMESA_FORMAT:
+ format = attribList[i+1];
+ switch (format) {
+ case OSMESA_COLOR_INDEX:
+ case OSMESA_RGBA:
+ case OSMESA_BGRA:
+ case OSMESA_ARGB:
+ case OSMESA_RGB:
+ case OSMESA_BGR:
+ case OSMESA_RGB_565:
+ /* legal */
+ break;
+ default:
+ return NULL;
+ }
+ break;
+ case OSMESA_DEPTH_BITS:
+ depthBits = attribList[i+1];
+ if (depthBits < 0)
+ return NULL;
+ break;
+ case OSMESA_STENCIL_BITS:
+ stencilBits = attribList[i+1];
+ if (stencilBits < 0)
+ return NULL;
+ break;
+ case OSMESA_ACCUM_BITS:
+ accumBits = attribList[i+1];
+ if (accumBits < 0)
+ return NULL;
+ break;
+ case OSMESA_PROFILE:
+ profile = attribList[i+1];
+ if (profile != OSMESA_CORE_PROFILE &&
+ profile != OSMESA_COMPAT_PROFILE)
+ return NULL;
+ break;
+ case OSMESA_CONTEXT_MAJOR_VERSION:
+ version_major = attribList[i+1];
+ if (version_major < 1)
+ return NULL;
+ break;
+ case OSMESA_CONTEXT_MINOR_VERSION:
+ version_minor = attribList[i+1];
+ if (version_minor < 0)
+ return NULL;
+ break;
+ case 0:
+ /* end of list */
+ break;
+ default:
+ fprintf(stderr, "Bad attribute in OSMesaCreateContextAttribs()\n");
+ return NULL;
+ }
+ }
+
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (!osmesa)
return NULL;
/*
* Create the rendering context
*/
- attribs.profile = ST_PROFILE_DEFAULT;
- attribs.major = 2;
- attribs.minor = 1;
+ memset(&attribs, 0, sizeof(attribs));
+ attribs.profile = (profile == OSMESA_CORE_PROFILE)
+ ? ST_PROFILE_OPENGL_CORE : ST_PROFILE_DEFAULT;
+ attribs.major = version_major;
+ attribs.minor = version_minor;
attribs.flags = 0; /* ST_CONTEXT_FLAG_x */
attribs.options.force_glsl_extensions_warn = FALSE;
attribs.options.disable_blend_func_extended = FALSE;
}
+
/**
* Destroy an Off-Screen Mesa rendering context.
*
static struct name_function functions[] = {
{ "OSMesaCreateContext", (OSMESAproc) OSMesaCreateContext },
{ "OSMesaCreateContextExt", (OSMESAproc) OSMesaCreateContextExt },
+ { "OSMesaCreateContextAttribs", (OSMESAproc) OSMesaCreateContextAttribs },
{ "OSMesaDestroyContext", (OSMESAproc) OSMesaDestroyContext },
{ "OSMesaMakeCurrent", (OSMESAproc) OSMesaMakeCurrent },
{ "OSMesaGetCurrentContext", (OSMESAproc) OSMesaGetCurrentContext },