Пример #1
0
/**
 * Called via glGetBufferSubDataARB().
 */
static void
intel_bufferobj_get_subdata(GLcontext * ctx,
                            GLenum target,
                            GLintptrARB offset,
                            GLsizeiptrARB size,
                            GLvoid * data, struct gl_buffer_object *obj)
{
   struct intel_buffer_object *intel_obj = intel_buffer_object(obj);

   assert(intel_obj);
   if (intel_obj->sys_buffer)
      memcpy(data, (char *)intel_obj->sys_buffer + offset, size);
   else
      drm_intel_bo_get_subdata(intel_obj->buffer, offset, size, data);
}
Пример #2
0
/**
 * Called via glGetBufferSubDataARB().
 */
static void
intel_bufferobj_get_subdata(struct gl_context * ctx,
                            GLintptrARB offset,
                            GLsizeiptrARB size,
                            GLvoid * data, struct gl_buffer_object *obj)
{
   struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
   struct intel_context *intel = intel_context(ctx);

   assert(intel_obj);
   if (intel_obj->sys_buffer)
      memcpy(data, (char *)intel_obj->sys_buffer + offset, size);
   else {
      if (drm_intel_bo_references(intel->batch.bo, intel_obj->buffer)) {
	 intel_batchbuffer_flush(intel);
      }
      drm_intel_bo_get_subdata(intel_obj->buffer, offset, size, data);
   }
}
Пример #3
0
static void prw_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y,
			 struct scratch_buf *dst, unsigned dst_x, unsigned dst_y,
			 unsigned logical_tile_no)
{
	uint32_t tmp_tile[options.tile_size*options.tile_size];
	int i;

	assert(batch->ptr == batch->buffer);

	if (options.ducttape)
		drm_intel_bo_wait_rendering(dst->bo);

	if (src->tiling == I915_TILING_NONE) {
		for (i = 0; i < options.tile_size; i++) {
			unsigned ofs = src_x*sizeof(uint32_t) + src->stride*(src_y + i);
			drm_intel_bo_get_subdata(src->bo, ofs,
						 options.tile_size*sizeof(uint32_t),
						 tmp_tile + options.tile_size*i);
		}
	} else {
		if (options.use_cpu_maps)
			set_to_cpu_domain(src, 0);

		cpucpy2d(src->data, src->stride/sizeof(uint32_t), src_x, src_y,
			 tmp_tile, options.tile_size, 0, 0, logical_tile_no);
	}

	if (dst->tiling == I915_TILING_NONE) {
		for (i = 0; i < options.tile_size; i++) {
			unsigned ofs = dst_x*sizeof(uint32_t) + dst->stride*(dst_y + i);
			drm_intel_bo_subdata(dst->bo, ofs,
					     options.tile_size*sizeof(uint32_t),
					     tmp_tile + options.tile_size*i);
		}
	} else {
		if (options.use_cpu_maps)
			set_to_cpu_domain(dst, 1);

		cpucpy2d(tmp_tile, options.tile_size, 0, 0,
			 dst->data, dst->stride/sizeof(uint32_t), dst_x, dst_y,
			 logical_tile_no);
	}
}
Пример #4
0
int
intel_bo_pread(struct intel_bo *bo, unsigned long offset,
               unsigned long size, void *data)
{
   return drm_intel_bo_get_subdata(gem_bo(bo), offset, size, data);
}