swr/rast: add support for DX1_RGB{_SRGB} formats

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>

src/gallium/drivers/swr/rasterizer/common/formats.cpp

@@ -20,7 +20,7 @@
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
-* @file gen_formats.cpp
+* @file formats.cpp
 *
 * @brief auto-generated file
 *
@@ -2729,26 +2729,16 @@ const SWR_FORMAT_INFO gFormatInfo[] = {
         { 0.0f, 0.0f, 0.0f, 0.0f },
         1, 1
     },
-    // R10G10B10_FLOAT_A2_UNORM (0xD5)
+    // padding (0xD5)
     {
-        "R10G10B10_FLOAT_A2_UNORM",
-        { SWR_TYPE_FLOAT, SWR_TYPE_FLOAT, SWR_TYPE_FLOAT, SWR_TYPE_FLOAT },
-        { 0, 0, 0, 0x3f800000 }, // Defaults for missing components
-        { 0, 1, 2, 3 }, // Swizzle
-        { 10, 10, 10, 2 }, // Bits per component
-        32, // Bits per element
-        4, // Bytes per element
-        4, // Num components
-        false, // isSRGB
-        false, // isBC
-        false, // isSubsampled
-        false, // isLuminance
-        { false, false, false, false }, // Is normalized?
-        { 1.0f, 1.0f, 1.0f, 1.0f }, // To float scale factor
-        1, // bcWidth
-        1, // bcHeight
+        nullptr,
+        { SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN },
+        { 0, 0, 0, 0 },{ 0, 0, 0, 0 },{ 0, 0, 0, 0 },
+        0, 0, 0, false, false, false, false,
+        { false, false, false, false },
+        { 0.0f, 0.0f, 0.0f, 0.0f },
+        1, 1
     },
-
     // R32_SINT (0xD6)
     {
         "R32_SINT",
@@ -5179,16 +5169,26 @@ const SWR_FORMAT_INFO gFormatInfo[] = {
         { 0.0f, 0.0f, 0.0f, 0.0f },
         1, 1
     },
-    // padding (0x180)
+    // DXT1_RGB_SRGB (0x180)
     {
-        nullptr,
-        { SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN },
-        { 0, 0, 0, 0 },{ 0, 0, 0, 0 },{ 0, 0, 0, 0 },
-        0, 0, 0, false, false, false, false,
-        { false, false, false, false },
-        { 0.0f, 0.0f, 0.0f, 0.0f },
-        1, 1
+        "DXT1_RGB_SRGB",
+        { SWR_TYPE_UNORM, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN },
+        { 0, 0, 0, 0x3f800000 }, // Defaults for missing components
+        { 0, 1, 2, 3 }, // Swizzle
+        { 8, 8, 8, 8 }, // Bits per component
+        64, // Bits per element
+        8, // Bytes per element
+        1, // Num components
+        false, // isSRGB
+        true, // isBC
+        false, // isSubsampled
+        false, // isLuminance
+        { true, false, false, false }, // Is normalized?
+        { 1.0f / 255.0f, 0, 0, 0 }, // To float scale factor
+        4, // bcWidth
+        4, // bcHeight
     },
+
     // padding (0x181)
     {
         nullptr,
@@ -5449,16 +5449,26 @@ const SWR_FORMAT_INFO gFormatInfo[] = {
         { 0.0f, 0.0f, 0.0f, 0.0f },
         1, 1
     },
-    // padding (0x191)
+    // DXT1_RGB (0x191)
     {
-        nullptr,
-        { SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN },
-        { 0, 0, 0, 0 },{ 0, 0, 0, 0 },{ 0, 0, 0, 0 },
-        0, 0, 0, false, false, false, false,
-        { false, false, false, false },
-        { 0.0f, 0.0f, 0.0f, 0.0f },
-        1, 1
+        "DXT1_RGB",
+        { SWR_TYPE_UNORM, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN, SWR_TYPE_UNKNOWN },
+        { 0, 0, 0, 0x3f800000 }, // Defaults for missing components
+        { 0, 1, 2, 3 }, // Swizzle
+        { 8, 8, 8, 8 }, // Bits per component
+        64, // Bits per element
+        8, // Bytes per element
+        1, // Num components
+        false, // isSRGB
+        true, // isBC
+        false, // isSubsampled
+        false, // isLuminance
+        { true, false, false, false }, // Is normalized?
+        { 1.0f / 255.0f, 0, 0, 0 }, // To float scale factor
+        4, // bcWidth
+        4, // bcHeight
     },
+
     // padding (0x192)
     {
         nullptr,

src/gallium/drivers/swr/rasterizer/common/formats.h

@@ -20,7 +20,7 @@
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 * 
-* @file gen_formats.h
+* @file formats.h
 * 
 * @brief auto-generated file
 * 
@@ -181,6 +181,7 @@ enum SWR_FORMAT
     L8_SINT                     = 0x153,
     I8_UINT                     = 0x154,
     I8_SINT                     = 0x155,
+    DXT1_RGB_SRGB               = 0x180,
     YCRCB_SWAPUVY               = 0x183,
     BC1_UNORM                   = 0x186,
     BC2_UNORM                   = 0x187,
@@ -191,6 +192,7 @@ enum SWR_FORMAT
     BC2_UNORM_SRGB              = 0x18C,
     BC3_UNORM_SRGB              = 0x18D,
     YCRCB_SWAPUV                = 0x18F,
+    DXT1_RGB                    = 0x191,
     R8G8B8_UNORM                = 0x193,
     R8G8B8_SNORM                = 0x194,
     R8G8B8_SSCALED              = 0x195,

src/gallium/drivers/swr/rasterizer/core/format_traits.h

@@ -20,7 +20,7 @@
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
-* @file gen_format_traits.h
+* @file format_traits.h
 *
 * @brief Format Traits.  auto-generated file
 *
@@ -2861,6 +2861,28 @@ template<> struct FormatTraits<I8_SINT> :
     typedef Format1<8>                  FormatT;
 };
 
+//////////////////////////////////////////////////////////////////////////
+/// FormatTraits<DXT1_RGB_SRGB> - Format traits specialization for DXT1_RGB_SRGB
+//////////////////////////////////////////////////////////////////////////
+template<> struct FormatTraits<DXT1_RGB_SRGB> :
+    ComponentTraits<SWR_TYPE_UNORM, 8>,
+    FormatSwizzle<0>,
+    Defaults<0, 0, 0, 0x3f800000>
+{
+    static const uint32_t bpp{ 64 };
+    static const uint32_t numComps{ 1 };
+    static const bool hasAlpha{ true };
+    static const uint32_t alphaComp{ 3 };
+    static const bool isSRGB{ false };
+    static const bool isBC{ true };
+    static const bool isSubsampled{ false };
+    static const uint32_t bcWidth{ 4 };
+    static const uint32_t bcHeight{ 4 };
+
+    typedef TransposeSingleComponent<8> TransposeT;
+    typedef Format1<8>                  FormatT;
+};
+
 //////////////////////////////////////////////////////////////////////////
 /// FormatTraits<YCRCB_SWAPUVY> - Format traits specialization for YCRCB_SWAPUVY
 //////////////////////////////////////////////////////////////////////////
@@ -3081,6 +3103,28 @@ template<> struct FormatTraits<YCRCB_SWAPUV> :
     typedef Format4<8, 8, 8, 8> FormatT;
 };
 
+//////////////////////////////////////////////////////////////////////////
+/// FormatTraits<DXT1_RGB> - Format traits specialization for DXT1_RGB
+//////////////////////////////////////////////////////////////////////////
+template<> struct FormatTraits<DXT1_RGB> :
+    ComponentTraits<SWR_TYPE_UNORM, 8>,
+    FormatSwizzle<0>,
+    Defaults<0, 0, 0, 0x3f800000>
+{
+    static const uint32_t bpp{ 64 };
+    static const uint32_t numComps{ 1 };
+    static const bool hasAlpha{ true };
+    static const uint32_t alphaComp{ 3 };
+    static const bool isSRGB{ false };
+    static const bool isBC{ true };
+    static const bool isSubsampled{ false };
+    static const uint32_t bcWidth{ 4 };
+    static const uint32_t bcHeight{ 4 };
+
+    typedef TransposeSingleComponent<8> TransposeT;
+    typedef Format1<8>                  FormatT;
+};
+
 //////////////////////////////////////////////////////////////////////////
 /// FormatTraits<R8G8B8_UNORM> - Format traits specialization for R8G8B8_UNORM
 //////////////////////////////////////////////////////////////////////////