d3d1x: improve CheckFormatSupport

1 files changed, 48 insertions, 18 deletions

diff --git a/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_screen.h b/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_screen.h
index cf8c564d889..fdfaacc88b9 100644
--- a/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_screen.h
+++ b/src/gallium/state_trackers/d3d1x/gd3d11/d3d11_screen.h
@@ -303,6 +303,7 @@ struct GalliumD3D11ScreenImpl : public GalliumD3D11Screen
 		SYNCHRONIZED;
 
 		/* TODO: MSAA, advanced features */
+
 		pipe_format format = dxgi_to_pipe_format[dxgi_format];
 		if(!format)
 			return E_INVALIDARG;
@@ -311,32 +312,61 @@ struct GalliumD3D11ScreenImpl : public GalliumD3D11Screen
 		if(support < 0)
 		{
 			support = 0;
-			unsigned buffer = D3D11_FORMAT_SUPPORT_BUFFER | D3D11_FORMAT_SUPPORT_IA_VERTEX_BUFFER | D3D11_FORMAT_SUPPORT_IA_INDEX_BUFFER;
-			unsigned sampler_view = D3D11_FORMAT_SUPPORT_SHADER_SAMPLE | D3D11_FORMAT_SUPPORT_MIP | D3D11_FORMAT_SUPPORT_MIP_AUTOGEN;
-			if(util_format_is_depth_or_stencil(format))
-				sampler_view |= D3D11_FORMAT_SUPPORT_SHADER_SAMPLE_COMPARISON;
-
-			/* TODO: do this properly when Gallium drivers actually support index/vertex format queries */
-                        if(screen->is_format_supported(screen, format, PIPE_BUFFER, 0, PIPE_BIND_VERTEX_BUFFER)
-                                || (screen->is_format_supported(screen, format, PIPE_BUFFER, 0, PIPE_BIND_INDEX_BUFFER)
-				|| format == PIPE_FORMAT_R8_UNORM))
-				support |= buffer;
+
+			if(dxgi_format == DXGI_FORMAT_R8_UINT ||
+			   dxgi_format == DXGI_FORMAT_R16_UINT ||
+			   dxgi_format == DXGI_FORMAT_R32_UINT)
+				support |= D3D11_FORMAT_SUPPORT_IA_INDEX_BUFFER;
+
+			if(screen->is_format_supported(screen, format, PIPE_BUFFER, 0, PIPE_BIND_VERTEX_BUFFER))
+				support |= D3D11_FORMAT_SUPPORT_IA_VERTEX_BUFFER;
+
                         if(screen->is_format_supported(screen, format, PIPE_BUFFER, 0, PIPE_BIND_STREAM_OUTPUT))
-				support |= buffer | D3D11_FORMAT_SUPPORT_SO_BUFFER;
+				support |= D3D11_FORMAT_SUPPORT_SO_BUFFER;
+
                         if(screen->is_format_supported(screen, format, PIPE_TEXTURE_1D, 0, PIPE_BIND_SAMPLER_VIEW))
-				support |= D3D11_FORMAT_SUPPORT_TEXTURE1D | sampler_view;
+				support |= D3D11_FORMAT_SUPPORT_TEXTURE1D;
                         if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW))
-				support |= D3D11_FORMAT_SUPPORT_TEXTURE2D | sampler_view;
+				support |= D3D11_FORMAT_SUPPORT_TEXTURE2D;
                         if(screen->is_format_supported(screen, format, PIPE_TEXTURE_CUBE, 0, PIPE_BIND_SAMPLER_VIEW))
-				support |= D3D11_FORMAT_SUPPORT_TEXTURE2D | sampler_view;
+				support |= D3D11_FORMAT_SUPPORT_TEXTURECUBE;
                         if(screen->is_format_supported(screen, format, PIPE_TEXTURE_3D, 0, PIPE_BIND_SAMPLER_VIEW))
-				support |= D3D11_FORMAT_SUPPORT_TEXTURE3D | sampler_view;
-                        if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
+				support |= D3D11_FORMAT_SUPPORT_TEXTURE3D;
+
+			if(support & (D3D11_FORMAT_SUPPORT_TEXTURE1D | D3D11_FORMAT_SUPPORT_TEXTURE2D |
+				      D3D11_FORMAT_SUPPORT_TEXTURE3D | D3D11_FORMAT_SUPPORT_TEXTURECUBE))
+			{
+				support |=
+					D3D11_FORMAT_SUPPORT_SHADER_LOAD |
+					D3D11_FORMAT_SUPPORT_SHADER_SAMPLE |
+					D3D11_FORMAT_SUPPORT_MIP |
+					D3D11_FORMAT_SUPPORT_MIP_AUTOGEN;
+				if(util_format_is_depth_or_stencil(format))
+					support |= D3D11_FORMAT_SUPPORT_SHADER_SAMPLE_COMPARISON;
+			}
+
+			if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET | PIPE_BIND_BLENDABLE))
 				support |= D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_RENDER_TARGET | D3D11_FORMAT_SUPPORT_BLENDABLE;
-                        if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_DEPTH_STENCIL))
+			else
+			if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
+				support |= D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_RENDER_TARGET;
+			if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_DEPTH_STENCIL))
 				support |= D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_DEPTH_STENCIL;
-                        if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_DISPLAY_TARGET))
+			if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_DISPLAY_TARGET))
 				support |= D3D11_FORMAT_SUPPORT_DISPLAY;
+
+			unsigned ms;
+			for(ms = 2; ms <= 8; ++ms)
+			{
+				if(screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, ms, PIPE_BIND_RENDER_TARGET))
+				{
+					support |= D3D11_FORMAT_SUPPORT_MULTISAMPLE_RENDERTARGET | D3D11_FORMAT_SUPPORT_MULTISAMPLE_RESOLVE;
+					break;
+				}
+			}
+			if(ms <= 8 && screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, ms, PIPE_BIND_SAMPLER_VIEW))
+				support |= D3D11_FORMAT_SUPPORT_MULTISAMPLE_LOAD;
+
 			format_support[format] = support;
 		}
 		*out_format_support = support;