-/* XXX: This resolve is incomplete and suboptimal. It will be removed once the
- * pipelined resolve blit works. */
-void
-swr_do_msaa_resolve(struct pipe_resource *src_resource,
- struct pipe_resource *dst_resource)
-{
- /* This is a pretty dumb inline resolve. It only supports 8-bit formats
- * (ex RGBA8/BGRA8) - which are most common display formats anyway.
- */
-
- /* quick check for 8-bit and number of components */
- uint8_t bits_per_component =
- util_format_get_component_bits(src_resource->format,
- UTIL_FORMAT_COLORSPACE_RGB, 0);
-
- /* Unsupported resolve format */
- assert(src_resource->format == dst_resource->format);
- assert(bits_per_component == 8);
- if ((src_resource->format != dst_resource->format) ||
- (bits_per_component != 8)) {
- return;
- }
-
- uint8_t src_num_comps = util_format_get_nr_components(src_resource->format);
-
- SWR_SURFACE_STATE *src_surface = &swr_resource(src_resource)->swr;
- SWR_SURFACE_STATE *dst_surface = &swr_resource(dst_resource)->swr;
-
- uint32_t *src, *dst, offset;
- uint32_t num_samples = src_surface->numSamples;
- float recip_num_samples = 1.0f / num_samples;
- for (uint32_t y = 0; y < src_surface->height; y++) {
- for (uint32_t x = 0; x < src_surface->width; x++) {
- float r = 0.0f;
- float g = 0.0f;
- float b = 0.0f;
- float a = 0.0f;
- for (uint32_t sampleNum = 0; sampleNum < num_samples; sampleNum++) {
- offset = ComputeSurfaceOffset<false>(x, y, 0, 0, sampleNum, 0, src_surface);
- src = (uint32_t *) src_surface->pBaseAddress + offset/src_num_comps;
- const uint32_t sample = *src;
- r += (float)((sample >> 24) & 0xff) / 255.0f * recip_num_samples;
- g += (float)((sample >> 16) & 0xff) / 255.0f * recip_num_samples;
- b += (float)((sample >> 8) & 0xff) / 255.0f * recip_num_samples;
- a += (float)((sample ) & 0xff) / 255.0f * recip_num_samples;
- }
- uint32_t result = 0;
- result = ((uint8_t)(r * 255.0f) & 0xff) << 24;
- result |= ((uint8_t)(g * 255.0f) & 0xff) << 16;
- result |= ((uint8_t)(b * 255.0f) & 0xff) << 8;
- result |= ((uint8_t)(a * 255.0f) & 0xff);
- offset = ComputeSurfaceOffset<false>(x, y, 0, 0, 0, 0, src_surface);
- dst = (uint32_t *) dst_surface->pBaseAddress + offset/src_num_comps;
- *dst = result;
- }
- }
-}
-
-