mesa: Make _mesa_choose_tex_format() choose formats out of a supported table.

Right now this is just tweaking the current code to look at the table.
Choosing actually supported formats will come later.

1 files changed, 172 insertions, 91 deletions

diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index 82427176fb6..ab5e25dcded 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -37,6 +37,10 @@
 #include "texcompress.h"
 #include "texformat.h"
 
+#define RETURN_IF_SUPPORTED(f) do {		\
+   if (ctx->TextureFormatSupported[f])		\
+      return f;					\
+} while (0)
 
 /**
  * Choose an appropriate texture format given the format, type and
@@ -65,84 +69,103 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       case 4:
       case GL_RGBA:
       case GL_RGBA8:
-         return MESA_FORMAT_RGBA8888;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+	 break;
       case GL_RGB5_A1:
-         return MESA_FORMAT_ARGB1555;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
+	 break;
       case GL_RGBA2:
-         return MESA_FORMAT_ARGB4444_REV; /* just to test another format*/
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
+	 break;
       case GL_RGBA4:
-         return MESA_FORMAT_ARGB4444;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+	 break;
 
       /* deep RGBA formats */
       case GL_RGB10_A2:
-         return MESA_FORMAT_ARGB2101010;
-
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
+	 break;
       case GL_RGBA12:
       case GL_RGBA16:
-         return MESA_FORMAT_RGBA_16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+	 break;
 
       /* shallow RGB formats */
       case 3:
       case GL_RGB:
       case GL_RGB8:
-         return MESA_FORMAT_RGB888;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+	 break;
       case GL_R3_G3_B2:
-         return MESA_FORMAT_RGB332;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
+	 break;
       case GL_RGB4:
-         return MESA_FORMAT_RGB565_REV; /* just to test another format */
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
+	 break;
       case GL_RGB5:
-         return MESA_FORMAT_RGB565;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
+	 break;
 
       /* deep RGB formats */
       case GL_RGB10:
       case GL_RGB12:
       case GL_RGB16:
-         return MESA_FORMAT_RGBA_16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+	 break;
 
       /* Alpha formats */
       case GL_ALPHA:
       case GL_ALPHA4:
       case GL_ALPHA8:
-         return MESA_FORMAT_A8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+	 break;
 
       case GL_ALPHA12:
       case GL_ALPHA16:
-         return MESA_FORMAT_A16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
+	 break;
 
       /* Luminance formats */
       case 1:
       case GL_LUMINANCE:
       case GL_LUMINANCE4:
       case GL_LUMINANCE8:
-         return MESA_FORMAT_L8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+	 break;
 
       case GL_LUMINANCE12:
       case GL_LUMINANCE16:
-         return MESA_FORMAT_L16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
+	 break;
 
       /* Luminance/Alpha formats */
       case GL_LUMINANCE4_ALPHA4:
-         return MESA_FORMAT_AL44;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
+	 break;
 
       case 2:
       case GL_LUMINANCE_ALPHA:
       case GL_LUMINANCE6_ALPHA2:
       case GL_LUMINANCE8_ALPHA8:
-         return MESA_FORMAT_AL88;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+	 break;
 
       case GL_LUMINANCE12_ALPHA4:
       case GL_LUMINANCE12_ALPHA12:
       case GL_LUMINANCE16_ALPHA16:
-         return MESA_FORMAT_AL1616;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
+	 break;
 
       case GL_INTENSITY:
       case GL_INTENSITY4:
       case GL_INTENSITY8:
-         return MESA_FORMAT_I8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+	 break;
 
       case GL_INTENSITY12:
       case GL_INTENSITY16:
-         return MESA_FORMAT_I16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
+	 break;
 
       case GL_COLOR_INDEX:
       case GL_COLOR_INDEX1_EXT:
@@ -151,7 +174,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       case GL_COLOR_INDEX12_EXT:
       case GL_COLOR_INDEX16_EXT:
       case GL_COLOR_INDEX8_EXT:
-         return MESA_FORMAT_CI8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
+	 break;
 
       default:
          ; /* fallthrough */
@@ -162,9 +186,11 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
          case GL_DEPTH_COMPONENT:
          case GL_DEPTH_COMPONENT24:
          case GL_DEPTH_COMPONENT32:
-            return MESA_FORMAT_Z32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
+	    break;
          case GL_DEPTH_COMPONENT16:
-            return MESA_FORMAT_Z16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -172,27 +198,33 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
 
    switch (internalFormat) {
       case GL_COMPRESSED_ALPHA_ARB:
-         return MESA_FORMAT_A8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+	 break;
       case GL_COMPRESSED_LUMINANCE_ARB:
-         return MESA_FORMAT_L8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+	 break;
       case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
-         return MESA_FORMAT_AL88;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+	 break;
       case GL_COMPRESSED_INTENSITY_ARB:
-         return MESA_FORMAT_I8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+	 break;
       case GL_COMPRESSED_RGB_ARB:
          if (ctx->Extensions.EXT_texture_compression_s3tc ||
              ctx->Extensions.S3_s3tc)
-            return MESA_FORMAT_RGB_DXT1;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
          if (ctx->Extensions.TDFX_texture_compression_FXT1)
-            return MESA_FORMAT_RGB_FXT1;
-         return MESA_FORMAT_RGB888;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+	 break;
       case GL_COMPRESSED_RGBA_ARB:
          if (ctx->Extensions.EXT_texture_compression_s3tc ||
              ctx->Extensions.S3_s3tc)
-            return MESA_FORMAT_RGBA_DXT3; /* Not rgba_dxt1, see spec */
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
          if (ctx->Extensions.TDFX_texture_compression_FXT1)
-            return MESA_FORMAT_RGBA_FXT1;
-         return MESA_FORMAT_RGBA8888;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+	 break;
       default:
          ; /* fallthrough */
    }
@@ -200,9 +232,9 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
    if (ctx->Extensions.MESA_ycbcr_texture) {
       if (internalFormat == GL_YCBCR_MESA) {
          if (type == GL_UNSIGNED_SHORT_8_8_MESA)
-            return MESA_FORMAT_YCBCR;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
          else
-            return MESA_FORMAT_YCBCR_REV;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
       }
    }
 
@@ -210,9 +242,11 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
    if (ctx->Extensions.TDFX_texture_compression_FXT1) {
       switch (internalFormat) {
          case GL_COMPRESSED_RGB_FXT1_3DFX:
-            return MESA_FORMAT_RGB_FXT1;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+	 break;
          case GL_COMPRESSED_RGBA_FXT1_3DFX:
-            return MESA_FORMAT_RGBA_FXT1;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+	 break;
          default:
             ; /* fallthrough */
       }
@@ -223,13 +257,17 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
    if (ctx->Extensions.EXT_texture_compression_s3tc) {
       switch (internalFormat) {
          case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
-            return MESA_FORMAT_RGB_DXT1;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+	    break;
          case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
-            return MESA_FORMAT_RGBA_DXT1;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
+	    break;
          case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
-            return MESA_FORMAT_RGBA_DXT3;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+	    break;
          case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-            return MESA_FORMAT_RGBA_DXT5;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -239,10 +277,12 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       switch (internalFormat) {
          case GL_RGB_S3TC:
          case GL_RGB4_S3TC:
-            return MESA_FORMAT_RGB_DXT1;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+	    break;
          case GL_RGBA_S3TC:
          case GL_RGBA4_S3TC:
-            return MESA_FORMAT_RGBA_DXT3;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -252,29 +292,41 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
    if (ctx->Extensions.ARB_texture_float) {
       switch (internalFormat) {
          case GL_ALPHA16F_ARB:
-            return MESA_FORMAT_ALPHA_FLOAT16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
+	    break;
          case GL_ALPHA32F_ARB:
-            return MESA_FORMAT_ALPHA_FLOAT32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
+	    break;
          case GL_LUMINANCE16F_ARB:
-            return MESA_FORMAT_LUMINANCE_FLOAT16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
+	    break;
          case GL_LUMINANCE32F_ARB:
-            return MESA_FORMAT_LUMINANCE_FLOAT32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
+	    break;
          case GL_LUMINANCE_ALPHA16F_ARB:
-            return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
+	    break;
          case GL_LUMINANCE_ALPHA32F_ARB:
-            return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
+	    break;
          case GL_INTENSITY16F_ARB:
-            return MESA_FORMAT_INTENSITY_FLOAT16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
+	    break;
          case GL_INTENSITY32F_ARB:
-            return MESA_FORMAT_INTENSITY_FLOAT32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
+	    break;
          case GL_RGB16F_ARB:
-            return MESA_FORMAT_RGB_FLOAT16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
+	    break;
          case GL_RGB32F_ARB:
-            return MESA_FORMAT_RGB_FLOAT32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
+	    break;
          case GL_RGBA16F_ARB:
-            return MESA_FORMAT_RGBA_FLOAT16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
+	    break;
          case GL_RGBA32F_ARB:
-            return MESA_FORMAT_RGBA_FLOAT32;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -284,7 +336,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       switch (internalFormat) {
          case GL_DEPTH_STENCIL_EXT:
          case GL_DEPTH24_STENCIL8_EXT:
-            return MESA_FORMAT_Z24_S8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -294,7 +347,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       switch (internalFormat) {
          case GL_DUDV_ATI:
          case GL_DU8DV8_ATI:
-            return MESA_FORMAT_DUDV8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -304,7 +358,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       switch (internalFormat) {
          case GL_RGBA_SNORM:
          case GL_RGBA8_SNORM:
-            return MESA_FORMAT_SIGNED_RGBA8888;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
+	    break;
          default:
             ; /* fallthrough */
       }
@@ -314,24 +369,32 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       switch (internalFormat) {
          case GL_RED_SNORM:
          case GL_R8_SNORM:
-            return MESA_FORMAT_SIGNED_R8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8);
+	    break;
          case GL_RG_SNORM:
          case GL_RG8_SNORM:
-            return MESA_FORMAT_SIGNED_RG88;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88);
+	    break;
          case GL_RGB_SNORM:
          case GL_RGB8_SNORM:
-            return MESA_FORMAT_SIGNED_RGBX8888;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
+	    break;
          case GL_RGBA_SNORM:
          case GL_RGBA8_SNORM:
-            return MESA_FORMAT_SIGNED_RGBA8888;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
+	    break;
          case GL_R16_SNORM:
-            return MESA_FORMAT_SIGNED_R_16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R_16);
+	    break;
          case GL_RG16_SNORM:
-            return MESA_FORMAT_SIGNED_RG_16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_16);
+	    break;
          case GL_RGB16_SNORM:
-            return MESA_FORMAT_SIGNED_RGB_16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16);
+	    break;
          case GL_RGBA16_SNORM:
-            return MESA_FORMAT_SIGNED_RGBA_16;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
+	    break;
          default:
             ; /* fall-through */
       }
@@ -342,48 +405,56 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       switch (internalFormat) {
          case GL_SRGB_EXT:
          case GL_SRGB8_EXT:
-            return MESA_FORMAT_SRGB8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+	    break;
          case GL_SRGB_ALPHA_EXT:
          case GL_SRGB8_ALPHA8_EXT:
-            return MESA_FORMAT_SRGBA8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+	    break;
          case GL_SLUMINANCE_EXT:
          case GL_SLUMINANCE8_EXT:
-            return MESA_FORMAT_SL8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+	    break;
          case GL_SLUMINANCE_ALPHA_EXT:
          case GL_SLUMINANCE8_ALPHA8_EXT:
-            return MESA_FORMAT_SLA8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+	    break;
          case GL_COMPRESSED_SLUMINANCE_EXT:
-            return MESA_FORMAT_SL8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+	    break;
          case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
-            return MESA_FORMAT_SLA8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+	    break;
          case GL_COMPRESSED_SRGB_EXT:
 #if FEATURE_texture_s3tc
             if (ctx->Extensions.EXT_texture_compression_s3tc)
-               return MESA_FORMAT_SRGB_DXT1;
+	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
 #endif
-            return MESA_FORMAT_SRGB8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+	    break;
          case GL_COMPRESSED_SRGB_ALPHA_EXT:
 #if FEATURE_texture_s3tc
             if (ctx->Extensions.EXT_texture_compression_s3tc)
-               return MESA_FORMAT_SRGBA_DXT3; /* Not srgba_dxt1, see spec */
+	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
 #endif
-            return MESA_FORMAT_SRGBA8;
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+	    break;
 #if FEATURE_texture_s3tc
          case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
             if (ctx->Extensions.EXT_texture_compression_s3tc)
-               return MESA_FORMAT_SRGB_DXT1;
+	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
             break;
          case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
             if (ctx->Extensions.EXT_texture_compression_s3tc)
-               return MESA_FORMAT_SRGBA_DXT1;
+	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1);
             break;
          case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
             if (ctx->Extensions.EXT_texture_compression_s3tc)
-               return MESA_FORMAT_SRGBA_DXT3;
+	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3);
             break;
          case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
             if (ctx->Extensions.EXT_texture_compression_s3tc)
-               return MESA_FORMAT_SRGBA_DXT5;
+	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
             break;
 #endif
          default:
@@ -400,42 +471,48 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       case GL_INTENSITY32UI_EXT:
       case GL_LUMINANCE32UI_EXT:
       case GL_LUMINANCE_ALPHA32UI_EXT:
-         return MESA_FORMAT_RGBA_UINT32;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
+	 break;
       case GL_RGBA16UI_EXT:
       case GL_RGB16UI_EXT:
       case GL_ALPHA16UI_EXT:
       case GL_INTENSITY16UI_EXT:
       case GL_LUMINANCE16UI_EXT:
       case GL_LUMINANCE_ALPHA16UI_EXT:
-         return MESA_FORMAT_RGBA_UINT16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
+	 break;
       case GL_RGBA8UI_EXT:
       case GL_RGB8UI_EXT:
       case GL_ALPHA8UI_EXT:
       case GL_INTENSITY8UI_EXT:
       case GL_LUMINANCE8UI_EXT:
       case GL_LUMINANCE_ALPHA8UI_EXT:
-         return MESA_FORMAT_RGBA_UINT8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
+	 break;
       case GL_RGBA32I_EXT:
       case GL_RGB32I_EXT:
       case GL_ALPHA32I_EXT:
       case GL_INTENSITY32I_EXT:
       case GL_LUMINANCE32I_EXT:
       case GL_LUMINANCE_ALPHA32I_EXT:
-         return MESA_FORMAT_RGBA_INT32;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
+	 break;
       case GL_RGBA16I_EXT:
       case GL_RGB16I_EXT:
       case GL_ALPHA16I_EXT:
       case GL_INTENSITY16I_EXT:
       case GL_LUMINANCE16I_EXT:
       case GL_LUMINANCE_ALPHA16I_EXT:
-         return MESA_FORMAT_RGBA_INT16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
+	 break;
       case GL_RGBA8I_EXT:
       case GL_RGB8I_EXT:
       case GL_ALPHA8I_EXT:
       case GL_INTENSITY8I_EXT:
       case GL_LUMINANCE8I_EXT:
       case GL_LUMINANCE_ALPHA8I_EXT:
-         return MESA_FORMAT_RGBA_INT8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
+	 break;
       }
    }
 
@@ -444,18 +521,22 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       case GL_R8:
       case GL_RED:
       case GL_COMPRESSED_RED:
-	 return MESA_FORMAT_R8;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
+	 break;
 
       case GL_R16:
-         return MESA_FORMAT_R16;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_R16);
+	 break;
 
       case GL_RG:
       case GL_RG8:
       case GL_COMPRESSED_RG:
-	 return MESA_FORMAT_RG88;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RG88);
+	 break;
 
       case GL_RG16:
-	 return MESA_FORMAT_RG1616;
+	 RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616);
+	 break;
 
       default:
          ; /* fallthrough */