- for (i = start; i <= ctx->Const.MaxSamples; i++) {
- format = st_choose_renderbuffer_format(st, internalFormat, i, i);
-
- if (format != PIPE_FORMAT_NONE) {
- rb->NumSamples = i;
- rb->NumStorageSamples = i;
- break;
+ if (ctx->Extensions.AMD_framebuffer_multisample_advanced) {
+ if (rb->_BaseFormat == GL_DEPTH_COMPONENT ||
+ rb->_BaseFormat == GL_DEPTH_STENCIL ||
+ rb->_BaseFormat == GL_STENCIL_INDEX) {
+ /* Find a supported depth-stencil format. */
+ for (unsigned samples = start;
+ samples <= ctx->Const.MaxDepthStencilFramebufferSamples;
+ samples++) {
+ format = st_choose_renderbuffer_format(st, internalFormat,
+ samples, samples);
+
+ if (format != PIPE_FORMAT_NONE) {
+ rb->NumSamples = samples;
+ rb->NumStorageSamples = samples;
+ break;
+ }
+ }
+ } else {
+ /* Find a supported color format, samples >= storage_samples. */
+ for (unsigned storage_samples = start_storage;
+ storage_samples <= ctx->Const.MaxColorFramebufferStorageSamples;
+ storage_samples++) {
+ for (unsigned samples = MAX2(start, storage_samples);
+ samples <= ctx->Const.MaxColorFramebufferSamples;
+ samples++) {
+ format = st_choose_renderbuffer_format(st, internalFormat,
+ samples,
+ storage_samples);
+
+ if (format != PIPE_FORMAT_NONE) {
+ rb->NumSamples = samples;
+ rb->NumStorageSamples = storage_samples;
+ goto found;
+ }
+ }
+ }
+ found:;
+ }
+ } else {
+ for (unsigned samples = start; samples <= ctx->Const.MaxSamples;
+ samples++) {
+ format = st_choose_renderbuffer_format(st, internalFormat,
+ samples, samples);
+
+ if (format != PIPE_FORMAT_NONE) {
+ rb->NumSamples = samples;
+ rb->NumStorageSamples = samples;
+ break;
+ }