X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fformats.c;h=5c29d37bb443422a536e9acb68316b00dd73b595;hb=00caf2ab088dd2e08ce410850dee61ba2b9aa63a;hp=baeb1bfe5deda82a6a16de6d51e582eb1ca54376;hpb=a62edcce4eb4c800d972817a20ee874bf2a2c3ef;p=mesa.git

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index baeb1bfe5de..5c29d37bb44 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -65,10 +65,12 @@ struct gl_format_info
    GLubyte DepthBits;
    GLubyte StencilBits;
 
+   bool IsSRGBFormat;
+
    /**
-    * To describe compressed formats.  If not compressed, Width=Height=1.
+    * To describe compressed formats.  If not compressed, Width=Height=Depth=1.
     */
-   GLubyte BlockWidth, BlockHeight;
+   GLubyte BlockWidth, BlockHeight, BlockDepth;
    GLubyte BytesPerBlock;
 
    uint8_t Swizzle[4];
@@ -81,6 +83,7 @@ static const struct gl_format_info *
 _mesa_get_format_info(mesa_format format)
 {
    const struct gl_format_info *info = &format_info[format];
+   STATIC_ASSERT(ARRAY_SIZE(format_info) == MESA_FORMAT_COUNT);
    assert(info->Name == format);
    return info;
 }
@@ -129,21 +132,25 @@ _mesa_get_format_bits(mesa_format format, GLenum pname)
    case GL_TEXTURE_RED_SIZE:
    case GL_RENDERBUFFER_RED_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+   case GL_INTERNALFORMAT_RED_SIZE:
       return info->RedBits;
    case GL_GREEN_BITS:
    case GL_TEXTURE_GREEN_SIZE:
    case GL_RENDERBUFFER_GREEN_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+   case GL_INTERNALFORMAT_GREEN_SIZE:
       return info->GreenBits;
    case GL_BLUE_BITS:
    case GL_TEXTURE_BLUE_SIZE:
    case GL_RENDERBUFFER_BLUE_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+   case GL_INTERNALFORMAT_BLUE_SIZE:
       return info->BlueBits;
    case GL_ALPHA_BITS:
    case GL_TEXTURE_ALPHA_SIZE:
    case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+   case GL_INTERNALFORMAT_ALPHA_SIZE:
       return info->AlphaBits;
    case GL_TEXTURE_INTENSITY_SIZE:
       return info->IntensityBits;
@@ -155,11 +162,13 @@ _mesa_get_format_bits(mesa_format format, GLenum pname)
    case GL_TEXTURE_DEPTH_SIZE_ARB:
    case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+   case GL_INTERNALFORMAT_DEPTH_SIZE:
       return info->DepthBits;
    case GL_STENCIL_BITS:
    case GL_TEXTURE_STENCIL_SIZE_EXT:
    case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+   case GL_INTERNALFORMAT_STENCIL_SIZE:
       return info->StencilBits;
    default:
       _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
@@ -185,10 +194,6 @@ _mesa_get_format_max_bits(mesa_format format)
 
 /**
  * Return the layout type of the given format.
- * The return value will be one of:
- *    MESA_FORMAT_LAYOUT_ARRAY
- *    MESA_FORMAT_LAYOUT_PACKED
- *    MESA_FORMAT_LAYOUT_OTHER
  */
 extern enum mesa_format_layout
 _mesa_get_format_layout(mesa_format format)
@@ -308,10 +313,34 @@ _mesa_get_format_base_format(uint32_t format)
  */
 void
 _mesa_get_format_block_size(mesa_format format, GLuint *bw, GLuint *bh)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   /* Use _mesa_get_format_block_size_3d() for 3D blocks. */
+   assert(info->BlockDepth == 1);
+
+   *bw = info->BlockWidth;
+   *bh = info->BlockHeight;
+}
+
+
+/**
+ * Return the block size (in pixels) for the given format. Normally
+ * the block size is 1x1x1. But compressed formats will have block
+ * sizes of 4x4x4, 3x3x3 pixels, etc.
+ * \param bw  returns block width in pixels
+ * \param bh  returns block height in pixels
+ * \param bd  returns block depth in pixels
+ */
+void
+_mesa_get_format_block_size_3d(mesa_format format,
+                               GLuint *bw,
+                               GLuint *bh,
+                               GLuint *bd)
 {
    const struct gl_format_info *info = _mesa_get_format_info(format);
    *bw = info->BlockWidth;
    *bh = info->BlockHeight;
+   *bd = info->BlockDepth;
 }
 
 
@@ -354,14 +383,22 @@ _mesa_array_format_flip_channels(mesa_array_format format)
       return format;
 
    if (num_channels == 2) {
-      _mesa_array_format_set_swizzle(&format, swizzle[1], swizzle[0],
-                                     swizzle[2], swizzle[3]);
+      /* Assert that the swizzle makes sense for 2 channels */
+      for (unsigned i = 0; i < 4; i++)
+         assert(swizzle[i] != 2 && swizzle[i] != 3);
+
+      static const uint8_t flip_xy[6] = { 1, 0, 2, 3, 4, 5 };
+      _mesa_array_format_set_swizzle(&format,
+                                     flip_xy[swizzle[0]], flip_xy[swizzle[1]],
+                                     flip_xy[swizzle[2]], flip_xy[swizzle[3]]);
       return format;
    }
 
    if (num_channels == 4) {
-      _mesa_array_format_set_swizzle(&format, swizzle[3], swizzle[2],
-                                     swizzle[1], swizzle[0]);
+      static const uint8_t flip[6] = { 3, 2, 1, 0, 4, 5 };
+      _mesa_array_format_set_swizzle(&format,
+                                     flip[swizzle[0]], flip[swizzle[1]],
+                                     flip[swizzle[2]], flip[swizzle[3]]);
       return format;
    }
 
@@ -372,10 +409,11 @@ uint32_t
 _mesa_format_to_array_format(mesa_format format)
 {
    const struct gl_format_info *info = _mesa_get_format_info(format);
-   if (_mesa_little_endian())
-      return info->ArrayFormat;
-   else
+   if (info->ArrayFormat && !_mesa_little_endian() &&
+       info->Layout == MESA_FORMAT_LAYOUT_PACKED)
       return _mesa_array_format_flip_channels(info->ArrayFormat);
+   else
+      return info->ArrayFormat;
 }
 
 static struct hash_table *format_array_format_table;
@@ -553,30 +591,8 @@ _mesa_is_format_color_format(mesa_format format)
 GLenum
 _mesa_get_format_color_encoding(mesa_format format)
 {
-   /* XXX this info should be encoded in gl_format_info */
-   switch (format) {
-   case MESA_FORMAT_BGR_SRGB8:
-   case MESA_FORMAT_A8B8G8R8_SRGB:
-   case MESA_FORMAT_B8G8R8A8_SRGB:
-   case MESA_FORMAT_A8R8G8B8_SRGB:
-   case MESA_FORMAT_R8G8B8A8_SRGB:
-   case MESA_FORMAT_L_SRGB8:
-   case MESA_FORMAT_L8A8_SRGB:
-   case MESA_FORMAT_A8L8_SRGB:
-   case MESA_FORMAT_SRGB_DXT1:
-   case MESA_FORMAT_SRGBA_DXT1:
-   case MESA_FORMAT_SRGBA_DXT3:
-   case MESA_FORMAT_SRGBA_DXT5:
-   case MESA_FORMAT_R8G8B8X8_SRGB:
-   case MESA_FORMAT_ETC2_SRGB8:
-   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
-   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
-   case MESA_FORMAT_B8G8R8X8_SRGB:
-   case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
-      return GL_SRGB;
-   default:
-      return GL_LINEAR;
-   }
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return info->IsSRGBFormat ? GL_SRGB : GL_LINEAR;
 }
 
 
@@ -605,81 +621,6 @@ _mesa_is_format_etc2(mesa_format format)
 }
 
 
-/**
- * For an sRGB format, return the corresponding linear color space format.
- * For non-sRGB formats, return the format as-is.
- */
-mesa_format
-_mesa_get_srgb_format_linear(mesa_format format)
-{
-   switch (format) {
-   case MESA_FORMAT_BGR_SRGB8:
-      format = MESA_FORMAT_BGR_UNORM8;
-      break;
-   case MESA_FORMAT_A8B8G8R8_SRGB:
-      format = MESA_FORMAT_A8B8G8R8_UNORM;
-      break;
-   case MESA_FORMAT_B8G8R8A8_SRGB:
-      format = MESA_FORMAT_B8G8R8A8_UNORM;
-      break;
-   case MESA_FORMAT_A8R8G8B8_SRGB:
-      format = MESA_FORMAT_A8R8G8B8_UNORM;
-      break;
-   case MESA_FORMAT_R8G8B8A8_SRGB:
-      format = MESA_FORMAT_R8G8B8A8_UNORM;
-      break;
-   case MESA_FORMAT_L_SRGB8:
-      format = MESA_FORMAT_L_UNORM8;
-      break;
-   case MESA_FORMAT_L8A8_SRGB:
-      format = MESA_FORMAT_L8A8_UNORM;
-      break;
-   case MESA_FORMAT_A8L8_SRGB:
-      format = MESA_FORMAT_A8L8_UNORM;
-      break;
-   case MESA_FORMAT_SRGB_DXT1:
-      format = MESA_FORMAT_RGB_DXT1;
-      break;
-   case MESA_FORMAT_SRGBA_DXT1:
-      format = MESA_FORMAT_RGBA_DXT1;
-      break;
-   case MESA_FORMAT_SRGBA_DXT3:
-      format = MESA_FORMAT_RGBA_DXT3;
-      break;
-   case MESA_FORMAT_SRGBA_DXT5:
-      format = MESA_FORMAT_RGBA_DXT5;
-      break;
-   case MESA_FORMAT_R8G8B8X8_SRGB:
-      format = MESA_FORMAT_R8G8B8X8_UNORM;
-      break;
-   case MESA_FORMAT_X8B8G8R8_SRGB:
-      format = MESA_FORMAT_X8B8G8R8_UNORM;
-      break;
-   case MESA_FORMAT_ETC2_SRGB8:
-      format = MESA_FORMAT_ETC2_RGB8;
-      break;
-   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
-      format = MESA_FORMAT_ETC2_RGBA8_EAC;
-      break;
-   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
-      format = MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1;
-      break;
-   case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
-      format = MESA_FORMAT_BPTC_RGBA_UNORM;
-      break;
-   case MESA_FORMAT_B8G8R8X8_SRGB:
-      format = MESA_FORMAT_B8G8R8X8_UNORM;
-      break;
-   case MESA_FORMAT_X8R8G8B8_SRGB:
-      format = MESA_FORMAT_X8R8G8B8_UNORM;
-      break;
-   default:
-      break;
-   }
-   return format;
-}
-
-
 /**
  * If the given format is a compressed format, return a corresponding
  * uncompressed format.
@@ -803,20 +744,22 @@ _mesa_format_image_size(mesa_format format, GLsizei width,
                         GLsizei height, GLsizei depth)
 {
    const struct gl_format_info *info = _mesa_get_format_info(format);
+   GLuint sz;
    /* Strictly speaking, a conditional isn't needed here */
-   if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+   if (info->BlockWidth > 1 || info->BlockHeight > 1 || info->BlockDepth > 1) {
       /* compressed format (2D only for now) */
-      const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
+      const GLuint bw = info->BlockWidth;
+      const GLuint bh = info->BlockHeight;
+      const GLuint bd = info->BlockDepth;
       const GLuint wblocks = (width + bw - 1) / bw;
       const GLuint hblocks = (height + bh - 1) / bh;
-      const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
-      return sz * depth;
-   }
-   else {
+      const GLuint dblocks = (depth + bd - 1) / bd;
+      sz = wblocks * hblocks * dblocks * info->BytesPerBlock;
+   } else
       /* non-compressed */
-      const GLuint sz = width * height * depth * info->BytesPerBlock;
-      return sz;
-   }
+      sz = width * height * depth * info->BytesPerBlock;
+
+   return sz;
 }
 
 
@@ -829,23 +772,23 @@ _mesa_format_image_size64(mesa_format format, GLsizei width,
                           GLsizei height, GLsizei depth)
 {
    const struct gl_format_info *info = _mesa_get_format_info(format);
+   uint64_t sz;
    /* Strictly speaking, a conditional isn't needed here */
-   if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+   if (info->BlockWidth > 1 || info->BlockHeight > 1 || info->BlockDepth > 1) {
       /* compressed format (2D only for now) */
-      const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
+      const uint64_t bw = info->BlockWidth;
+      const uint64_t bh = info->BlockHeight;
+      const uint64_t bd = info->BlockDepth;
       const uint64_t wblocks = (width + bw - 1) / bw;
       const uint64_t hblocks = (height + bh - 1) / bh;
-      const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
-      return sz * depth;
-   }
-   else {
+      const uint64_t dblocks = (depth + bd - 1) / bd;
+      sz = wblocks * hblocks * dblocks * info->BytesPerBlock;
+   } else
       /* non-compressed */
-      const uint64_t sz = ((uint64_t) width *
-                           (uint64_t) height *
-                           (uint64_t) depth *
-                           info->BytesPerBlock);
-      return sz;
-   }
+      sz = ((uint64_t) width * (uint64_t) height *
+            (uint64_t) depth * info->BytesPerBlock);
+
+   return sz;
 }
 
 
@@ -869,124 +812,13 @@ _mesa_format_row_stride(mesa_format format, GLsizei width)
 }
 
 
-/**
- * Debug/test: check that all formats are handled in the
- * _mesa_format_to_type_and_comps() function.  When new pixel formats
- * are added to Mesa, that function needs to be updated.
- * This is a no-op after the first call.
- */
-static void
-check_format_to_type_and_comps(void)
-{
-   mesa_format f;
-
-   for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
-      GLenum datatype = 0;
-      GLuint comps = 0;
-      /* This function will emit a problem/warning if the format is
-       * not handled.
-       */
-      _mesa_format_to_type_and_comps(f, &datatype, &comps);
-   }
-}
-
-/**
- * Do sanity checking of the format info table.
- */
-void
-_mesa_test_formats(void)
-{
-   GLuint i;
-
-   STATIC_ASSERT(ARRAY_SIZE(format_info) == MESA_FORMAT_COUNT);
-
-   for (i = 0; i < MESA_FORMAT_COUNT; i++) {
-      const struct gl_format_info *info = _mesa_get_format_info(i);
-      assert(info);
-
-      assert(info->Name == i);
-
-      if (info->Name == MESA_FORMAT_NONE)
-         continue;
-
-      if (info->BlockWidth == 1 && info->BlockHeight == 1) {
-         if (info->RedBits > 0) {
-            GLuint t = info->RedBits + info->GreenBits
-               + info->BlueBits + info->AlphaBits;
-            assert(t / 8 <= info->BytesPerBlock);
-            (void) t;
-         }
-      }
-
-      assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
-             info->DataType == GL_SIGNED_NORMALIZED ||
-             info->DataType == GL_UNSIGNED_INT ||
-             info->DataType == GL_INT ||
-             info->DataType == GL_FLOAT ||
-             /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
-             info->DataType == GL_NONE);
-
-      if (info->BaseFormat == GL_RGB) {
-         assert(info->RedBits > 0);
-         assert(info->GreenBits > 0);
-         assert(info->BlueBits > 0);
-         assert(info->AlphaBits == 0);
-         assert(info->LuminanceBits == 0);
-         assert(info->IntensityBits == 0);
-      }
-      else if (info->BaseFormat == GL_RGBA) {
-         assert(info->RedBits > 0);
-         assert(info->GreenBits > 0);
-         assert(info->BlueBits > 0);
-         assert(info->AlphaBits > 0);
-         assert(info->LuminanceBits == 0);
-         assert(info->IntensityBits == 0);
-      }
-      else if (info->BaseFormat == GL_RG) {
-         assert(info->RedBits > 0);
-         assert(info->GreenBits > 0);
-         assert(info->BlueBits == 0);
-         assert(info->AlphaBits == 0);
-         assert(info->LuminanceBits == 0);
-         assert(info->IntensityBits == 0);
-      }
-      else if (info->BaseFormat == GL_RED) {
-         assert(info->RedBits > 0);
-         assert(info->GreenBits == 0);
-         assert(info->BlueBits == 0);
-         assert(info->AlphaBits == 0);
-         assert(info->LuminanceBits == 0);
-         assert(info->IntensityBits == 0);
-      }
-      else if (info->BaseFormat == GL_LUMINANCE) {
-         assert(info->RedBits == 0);
-         assert(info->GreenBits == 0);
-         assert(info->BlueBits == 0);
-         assert(info->AlphaBits == 0);
-         assert(info->LuminanceBits > 0);
-         assert(info->IntensityBits == 0);
-      }
-      else if (info->BaseFormat == GL_INTENSITY) {
-         assert(info->RedBits == 0);
-         assert(info->GreenBits == 0);
-         assert(info->BlueBits == 0);
-         assert(info->AlphaBits == 0);
-         assert(info->LuminanceBits == 0);
-         assert(info->IntensityBits > 0);
-      }
-   }
-
-   check_format_to_type_and_comps();
-}
-
-
 
 /**
- * Return datatype and number of components per texel for the given mesa_format.
- * Only used for mipmap generation code.
+ * Return datatype and number of components per texel for the given
+ * uncompressed mesa_format. Only used for mipmap generation code.
  */
 void
-_mesa_format_to_type_and_comps(mesa_format format,
+_mesa_uncompressed_format_to_type_and_comps(mesa_format format,
                                GLenum *datatype, GLuint *comps)
 {
    switch (format) {
@@ -998,6 +830,10 @@ _mesa_format_to_type_and_comps(mesa_format format,
    case MESA_FORMAT_R8G8B8X8_UNORM:
    case MESA_FORMAT_B8G8R8X8_UNORM:
    case MESA_FORMAT_X8R8G8B8_UNORM:
+   case MESA_FORMAT_A8B8G8R8_UINT:
+   case MESA_FORMAT_R8G8B8A8_UINT:
+   case MESA_FORMAT_B8G8R8A8_UINT:
+   case MESA_FORMAT_A8R8G8B8_UINT:
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 4;
       return;
@@ -1008,6 +844,8 @@ _mesa_format_to_type_and_comps(mesa_format format,
       return;
    case MESA_FORMAT_B5G6R5_UNORM:
    case MESA_FORMAT_R5G6B5_UNORM:
+   case MESA_FORMAT_B5G6R5_UINT:
+   case MESA_FORMAT_R5G6B5_UINT:
       *datatype = GL_UNSIGNED_SHORT_5_6_5;
       *comps = 3;
       return;
@@ -1015,6 +853,8 @@ _mesa_format_to_type_and_comps(mesa_format format,
    case MESA_FORMAT_B4G4R4A4_UNORM:
    case MESA_FORMAT_A4R4G4B4_UNORM:
    case MESA_FORMAT_B4G4R4X4_UNORM:
+   case MESA_FORMAT_B4G4R4A4_UINT:
+   case MESA_FORMAT_A4R4G4B4_UINT:
       *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
       *comps = 4;
       return;
@@ -1022,6 +862,8 @@ _mesa_format_to_type_and_comps(mesa_format format,
    case MESA_FORMAT_B5G5R5A1_UNORM:
    case MESA_FORMAT_A1R5G5B5_UNORM:
    case MESA_FORMAT_B5G5R5X1_UNORM:
+   case MESA_FORMAT_B5G5R5A1_UINT:
+   case MESA_FORMAT_A1R5G5B5_UINT:
       *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
       *comps = 4;
       return;
@@ -1032,6 +874,7 @@ _mesa_format_to_type_and_comps(mesa_format format,
       return;
 
    case MESA_FORMAT_A1B5G5R5_UNORM:
+   case MESA_FORMAT_A1B5G5R5_UINT:
       *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
       *comps = 4;
       return;
@@ -1066,19 +909,23 @@ _mesa_format_to_type_and_comps(mesa_format format,
       return;
 
    case MESA_FORMAT_R3G3B2_UNORM:
+   case MESA_FORMAT_R3G3B2_UINT:
       *datatype = GL_UNSIGNED_BYTE_2_3_3_REV;
       *comps = 3;
       return;
    case MESA_FORMAT_A4B4G4R4_UNORM:
+   case MESA_FORMAT_A4B4G4R4_UINT:
       *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
       *comps = 4;
       return;
 
    case MESA_FORMAT_R4G4B4A4_UNORM:
+   case MESA_FORMAT_R4G4B4A4_UINT:
       *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
       *comps = 4;
       return;
    case MESA_FORMAT_R5G5B5A1_UNORM:
+   case MESA_FORMAT_R5G5B5A1_UINT:
       *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
       *comps = 4;
       return;
@@ -1094,6 +941,7 @@ _mesa_format_to_type_and_comps(mesa_format format,
       return;
 
    case MESA_FORMAT_B2G3R3_UNORM:
+   case MESA_FORMAT_B2G3R3_UINT:
       *datatype = GL_UNSIGNED_BYTE_3_3_2;
       *comps = 3;
       return;
@@ -1220,44 +1068,6 @@ _mesa_format_to_type_and_comps(mesa_format format,
       *comps = 2;
       return;
 
-   case MESA_FORMAT_RGB_FXT1:
-   case MESA_FORMAT_RGBA_FXT1:
-   case MESA_FORMAT_RGB_DXT1:
-   case MESA_FORMAT_RGBA_DXT1:
-   case MESA_FORMAT_RGBA_DXT3:
-   case MESA_FORMAT_RGBA_DXT5:
-   case MESA_FORMAT_SRGB_DXT1:
-   case MESA_FORMAT_SRGBA_DXT1:
-   case MESA_FORMAT_SRGBA_DXT3:
-   case MESA_FORMAT_SRGBA_DXT5:
-   case MESA_FORMAT_R_RGTC1_UNORM:
-   case MESA_FORMAT_R_RGTC1_SNORM:
-   case MESA_FORMAT_RG_RGTC2_UNORM:
-   case MESA_FORMAT_RG_RGTC2_SNORM:
-   case MESA_FORMAT_L_LATC1_UNORM:
-   case MESA_FORMAT_L_LATC1_SNORM:
-   case MESA_FORMAT_LA_LATC2_UNORM:
-   case MESA_FORMAT_LA_LATC2_SNORM:
-   case MESA_FORMAT_ETC1_RGB8:
-   case MESA_FORMAT_ETC2_RGB8:
-   case MESA_FORMAT_ETC2_SRGB8:
-   case MESA_FORMAT_ETC2_RGBA8_EAC:
-   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
-   case MESA_FORMAT_ETC2_R11_EAC:
-   case MESA_FORMAT_ETC2_RG11_EAC:
-   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
-   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
-   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
-   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
-   case MESA_FORMAT_BPTC_RGBA_UNORM:
-   case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
-   case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
-   case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
-      /* XXX generate error instead? */
-      *datatype = GL_UNSIGNED_BYTE;
-      *comps = 0;
-      return;
-
    case MESA_FORMAT_RGBA_FLOAT32:
       *datatype = GL_FLOAT;
       *comps = 4;
@@ -1555,14 +1365,12 @@ _mesa_format_to_type_and_comps(mesa_format format,
    case MESA_FORMAT_COUNT:
       assert(0);
       return;
-
-   case MESA_FORMAT_NONE:
-   /* For debug builds, warn if any formats are not handled */
-#ifdef DEBUG
    default:
-#endif
-      _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
+      /* Warn if any formats are not handled */
+      _mesa_problem(NULL, "bad format %s in _mesa_uncompressed_format_to_type_and_comps",
                     _mesa_get_format_name(format));
+      assert(format == MESA_FORMAT_NONE ||
+             _mesa_is_format_compressed(format));
       *datatype = 0;
       *comps = 1;
    }
@@ -1575,20 +1383,26 @@ _mesa_format_to_type_and_comps(mesa_format format,
  * \param format  the user-specified image format
  * \param type  the user-specified image datatype
  * \param swapBytes  typically the current pixel pack/unpack byteswap state
+ * \param[out] error GL_NO_ERROR if format is an expected input.
+ *                   GL_INVALID_ENUM if format is an unexpected input.
  * \return GL_TRUE if the formats match, GL_FALSE otherwise.
  */
 GLboolean
 _mesa_format_matches_format_and_type(mesa_format mesa_format,
 				     GLenum format, GLenum type,
-                                     GLboolean swapBytes)
+				     GLboolean swapBytes, GLenum *error)
 {
    const GLboolean littleEndian = _mesa_little_endian();
+   if (error)
+      *error = GL_NO_ERROR;
 
    /* Note: When reading a GL format/type combination, the format lists channel
     * assignments from most significant channel in the type to least
     * significant.  A type with _REV indicates that the assignments are
     * swapped, so they are listed from least significant to most significant.
     *
+    * Compressed formats will fall through and return GL_FALSE.
+    *
     * For sanity, please keep this switch statement ordered the same as the
     * enums in formats.h.
     */
@@ -1849,26 +1663,6 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
    case MESA_FORMAT_S_UINT8:
       return format == GL_STENCIL_INDEX && type == GL_UNSIGNED_BYTE;
 
-   case MESA_FORMAT_SRGB_DXT1:
-   case MESA_FORMAT_SRGBA_DXT1:
-   case MESA_FORMAT_SRGBA_DXT3:
-   case MESA_FORMAT_SRGBA_DXT5:
-      return GL_FALSE;
-
-   case MESA_FORMAT_RGB_FXT1:
-   case MESA_FORMAT_RGBA_FXT1:
-   case MESA_FORMAT_RGB_DXT1:
-   case MESA_FORMAT_RGBA_DXT1:
-   case MESA_FORMAT_RGBA_DXT3:
-   case MESA_FORMAT_RGBA_DXT5:
-      return GL_FALSE;
-
-   case MESA_FORMAT_BPTC_RGBA_UNORM:
-   case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
-   case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
-   case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
-      return GL_FALSE;
-
    case MESA_FORMAT_RGBA_FLOAT32:
       return format == GL_RGBA && type == GL_FLOAT && !swapBytes;
    case MESA_FORMAT_RGBA_FLOAT16:
@@ -2065,31 +1859,6 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
       return format == GL_RGBA && type == GL_UNSIGNED_SHORT &&
              !swapBytes;
 
-   case MESA_FORMAT_R_RGTC1_UNORM:
-   case MESA_FORMAT_R_RGTC1_SNORM:
-   case MESA_FORMAT_RG_RGTC2_UNORM:
-   case MESA_FORMAT_RG_RGTC2_SNORM:
-      return GL_FALSE;
-
-   case MESA_FORMAT_L_LATC1_UNORM:
-   case MESA_FORMAT_L_LATC1_SNORM:
-   case MESA_FORMAT_LA_LATC2_UNORM:
-   case MESA_FORMAT_LA_LATC2_SNORM:
-      return GL_FALSE;
-
-   case MESA_FORMAT_ETC1_RGB8:
-   case MESA_FORMAT_ETC2_RGB8:
-   case MESA_FORMAT_ETC2_SRGB8:
-   case MESA_FORMAT_ETC2_RGBA8_EAC:
-   case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
-   case MESA_FORMAT_ETC2_R11_EAC:
-   case MESA_FORMAT_ETC2_RG11_EAC:
-   case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
-   case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
-   case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
-   case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
-      return GL_FALSE;
-
    case MESA_FORMAT_A_SNORM8:
       return format == GL_ALPHA && type == GL_BYTE;
    case MESA_FORMAT_L_SNORM8:
@@ -2123,6 +1892,96 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
               type == GL_UNSIGNED_INT_2_10_10_10_REV &&
               !swapBytes);
 
+   case MESA_FORMAT_B5G6R5_UINT:
+      return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT_5_6_5;
+
+   case MESA_FORMAT_R5G6B5_UINT:
+      return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT_5_6_5_REV;
+
+   case MESA_FORMAT_B2G3R3_UINT:
+      return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE_3_3_2;
+
+   case MESA_FORMAT_R3G3B2_UINT:
+      return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE_2_3_3_REV;
+
+   case MESA_FORMAT_A4B4G4R4_UINT:
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4 && !swapBytes)
+         return GL_TRUE;
+
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && swapBytes)
+         return GL_TRUE;
+      return GL_FALSE;
+
+   case MESA_FORMAT_R4G4B4A4_UINT:
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && !swapBytes)
+         return GL_TRUE;
+
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4 && swapBytes)
+         return GL_TRUE;
+
+      return GL_FALSE;
+
+   case MESA_FORMAT_B4G4R4A4_UINT:
+      return format == GL_BGRA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4_REV &&
+         !swapBytes;
+
+   case MESA_FORMAT_A4R4G4B4_UINT:
+      return GL_FALSE;
+
+   case MESA_FORMAT_A1B5G5R5_UINT:
+      return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
+         !swapBytes;
+
+   case MESA_FORMAT_B5G5R5A1_UINT:
+      return format == GL_BGRA_INTEGER && type == GL_UNSIGNED_SHORT_1_5_5_5_REV &&
+         !swapBytes;
+
+   case MESA_FORMAT_A1R5G5B5_UINT:
+      return format == GL_BGRA_INTEGER && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
+         !swapBytes;
+
+   case MESA_FORMAT_R5G5B5A1_UINT:
+      return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_1_5_5_5_REV;
+
+   case MESA_FORMAT_A8B8G8R8_UINT:
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
+         return GL_TRUE;
+
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV && swapBytes)
+         return GL_TRUE;
+      return GL_FALSE;
+
+   case MESA_FORMAT_A8R8G8B8_UINT:
+      if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 &&
+          !swapBytes)
+         return GL_TRUE;
+
+      if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+          swapBytes)
+         return GL_TRUE;
+
+      return GL_FALSE;
+
+   case MESA_FORMAT_R8G8B8A8_UINT:
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+          !swapBytes)
+         return GL_TRUE;
+
+      if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
+         return GL_TRUE;
+
+      return GL_FALSE;
+
+   case MESA_FORMAT_B8G8R8A8_UINT:
+      if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+          !swapBytes)
+         return GL_TRUE;
+
+      if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
+         return GL_TRUE;
+
+      return GL_FALSE;
+
    case MESA_FORMAT_R9G9B9E5_FLOAT:
       return format == GL_RGB && type == GL_UNSIGNED_INT_5_9_9_9_REV &&
          !swapBytes;
@@ -2172,8 +2031,11 @@ _mesa_format_matches_format_and_type(mesa_format mesa_format,
    case MESA_FORMAT_B8G8R8X8_SRGB:
    case MESA_FORMAT_X8R8G8B8_SRGB:
       return GL_FALSE;
+   default:
+      assert(_mesa_is_format_compressed(mesa_format));
+      if (error)
+         *error = GL_INVALID_ENUM;
    }
-
    return GL_FALSE;
 }