/**
* Allocate space for and store data in a buffer object. Any data that was
* previously stored in the buffer object is lost. If data is NULL,
* memory will be allocated, but no copy will occur.
* Called via glBufferDataARB().
*/
static void intel_bufferobj_data( GLcontext *ctx,
GLenum target,
GLsizeiptrARB size,
const GLvoid *data,
GLenum usage,
struct gl_buffer_object *obj )
{
struct intel_context *intel = intel_context(ctx);
struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
/* XXX: do something useful with 'usage' (eg. populate flags
* argument below)
*/
assert(intel_obj);
obj->Size = size;
obj->Usage = usage;
bmBufferData(intel->bm, intel_obj->buffer, size, data, 0);
}
struct intel_region *intel_region_alloc( struct intel_context *intel,
GLuint cpp,
GLuint pitch,
GLuint height )
{
struct intel_region *region = calloc(sizeof(*region), 1);
DBG("%s %dx%dx%d == 0x%x bytes\n", __FUNCTION__,
cpp, pitch, height, cpp*pitch*height);
region->cpp = cpp;
region->pitch = pitch;
region->height = height; /* needed? */
region->refcount = 1;
bmGenBuffers(intel, "tex", 1, ®ion->buffer, 6);
bmBufferData(intel, region->buffer, pitch * cpp * height, NULL, 0);
return region;
}