Merge remote-tracking branch 'origin/released'

1 files changed, 1 insertions, 1206 deletions

diff --git a/mesalib/src/mesa/main/image.c b/mesalib/src/mesa/main/image.c
index 678dfeb2b..91b720373 100644
--- a/mesalib/src/mesa/main/image.c
+++ b/mesalib/src/mesa/main/image.c
@@ -32,6 +32,7 @@
 
 #include "glheader.h"
 #include "colormac.h"
+#include "glformats.h"
 #include "image.h"
 #include "imports.h"
 #include "macros.h"
@@ -41,40 +42,6 @@
 
 
 /**
- * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_type_is_packed(GLenum type)
-{
-   switch (type) {
-   case GL_UNSIGNED_BYTE_3_3_2:
-   case GL_UNSIGNED_BYTE_2_3_3_REV:
-   case MESA_UNSIGNED_BYTE_4_4:
-   case GL_UNSIGNED_SHORT_5_6_5:
-   case GL_UNSIGNED_SHORT_5_6_5_REV:
-   case GL_UNSIGNED_SHORT_4_4_4_4:
-   case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-   case GL_UNSIGNED_SHORT_5_5_5_1:
-   case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-   case GL_UNSIGNED_INT_8_8_8_8:
-   case GL_UNSIGNED_INT_8_8_8_8_REV:
-   case GL_UNSIGNED_INT_10_10_10_2:
-   case GL_UNSIGNED_INT_2_10_10_10_REV:
-   case GL_UNSIGNED_SHORT_8_8_MESA:
-   case GL_UNSIGNED_SHORT_8_8_REV_MESA:
-   case GL_UNSIGNED_INT_24_8_EXT:
-   case GL_UNSIGNED_INT_5_9_9_9_REV:
-   case GL_UNSIGNED_INT_10F_11F_11F_REV:
-   case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
-      return GL_TRUE;
-   }
-
-   return GL_FALSE;
-}
-
-
-
-/**
  * Flip the order of the 2 bytes in each word in the given array.
  *
  * \param p array.
@@ -110,1178 +77,6 @@ _mesa_swap4( GLuint *p, GLuint n )
 
 
 /**
- * Get the size of a GL data type.
- *
- * \param type GL data type.
- *
- * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1
- * if an invalid type enum.
- */
-GLint
-_mesa_sizeof_type( GLenum type )
-{
-   switch (type) {
-      case GL_BITMAP:
-	 return 0;
-      case GL_UNSIGNED_BYTE:
-         return sizeof(GLubyte);
-      case GL_BYTE:
-	 return sizeof(GLbyte);
-      case GL_UNSIGNED_SHORT:
-	 return sizeof(GLushort);
-      case GL_SHORT:
-	 return sizeof(GLshort);
-      case GL_UNSIGNED_INT:
-	 return sizeof(GLuint);
-      case GL_INT:
-	 return sizeof(GLint);
-      case GL_FLOAT:
-	 return sizeof(GLfloat);
-      case GL_DOUBLE:
-	 return sizeof(GLdouble);
-      case GL_HALF_FLOAT_ARB:
-	 return sizeof(GLhalfARB);
-      case GL_FIXED:
-	 return sizeof(GLfixed);
-      default:
-         return -1;
-   }
-}
-
-
-/**
- * Same as _mesa_sizeof_type() but also accepting the packed pixel
- * format data types.
- */
-GLint
-_mesa_sizeof_packed_type( GLenum type )
-{
-   switch (type) {
-      case GL_BITMAP:
-	 return 0;
-      case GL_UNSIGNED_BYTE:
-         return sizeof(GLubyte);
-      case GL_BYTE:
-	 return sizeof(GLbyte);
-      case GL_UNSIGNED_SHORT:
-	 return sizeof(GLushort);
-      case GL_SHORT:
-	 return sizeof(GLshort);
-      case GL_UNSIGNED_INT:
-	 return sizeof(GLuint);
-      case GL_INT:
-	 return sizeof(GLint);
-      case GL_HALF_FLOAT_ARB:
-	 return sizeof(GLhalfARB);
-      case GL_FLOAT:
-	 return sizeof(GLfloat);
-      case GL_UNSIGNED_BYTE_3_3_2:
-      case GL_UNSIGNED_BYTE_2_3_3_REV:
-      case MESA_UNSIGNED_BYTE_4_4:
-         return sizeof(GLubyte);
-      case GL_UNSIGNED_SHORT_5_6_5:
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-      case GL_UNSIGNED_SHORT_4_4_4_4:
-      case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-      case GL_UNSIGNED_SHORT_5_5_5_1:
-      case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-      case GL_UNSIGNED_SHORT_8_8_MESA:
-      case GL_UNSIGNED_SHORT_8_8_REV_MESA:
-         return sizeof(GLushort);
-      case GL_UNSIGNED_INT_8_8_8_8:
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_INT_10_10_10_2:
-      case GL_UNSIGNED_INT_2_10_10_10_REV:
-      case GL_UNSIGNED_INT_24_8_EXT:
-      case GL_UNSIGNED_INT_5_9_9_9_REV:
-      case GL_UNSIGNED_INT_10F_11F_11F_REV:
-         return sizeof(GLuint);
-      case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
-         return 8;
-      default:
-         return -1;
-   }
-}
-
-
-/**
- * Get the number of components in a pixel format.
- *
- * \param format pixel format.
- *
- * \return the number of components in the given format, or -1 if a bad format.
- */
-GLint
-_mesa_components_in_format( GLenum format )
-{
-   switch (format) {
-      case GL_COLOR_INDEX:
-      case GL_STENCIL_INDEX:
-      case GL_DEPTH_COMPONENT:
-      case GL_RED:
-      case GL_RED_INTEGER_EXT:
-      case GL_GREEN:
-      case GL_GREEN_INTEGER_EXT:
-      case GL_BLUE:
-      case GL_BLUE_INTEGER_EXT:
-      case GL_ALPHA:
-      case GL_ALPHA_INTEGER_EXT:
-      case GL_LUMINANCE:
-      case GL_LUMINANCE_INTEGER_EXT:
-      case GL_INTENSITY:
-         return 1;
-
-      case GL_LUMINANCE_ALPHA:
-      case GL_LUMINANCE_ALPHA_INTEGER_EXT:
-      case GL_RG:
-      case GL_YCBCR_MESA:
-      case GL_DEPTH_STENCIL_EXT:
-      case GL_DUDV_ATI:
-      case GL_DU8DV8_ATI:
-      case GL_RG_INTEGER:
-	 return 2;
-
-      case GL_RGB:
-      case GL_BGR:
-      case GL_RGB_INTEGER_EXT:
-      case GL_BGR_INTEGER_EXT:
-	 return 3;
-
-      case GL_RGBA:
-      case GL_BGRA:
-      case GL_ABGR_EXT:
-      case GL_RGBA_INTEGER_EXT:
-      case GL_BGRA_INTEGER_EXT:
-         return 4;
-
-      default:
-         return -1;
-   }
-}
-
-
-/**
- * Get the bytes per pixel of pixel format type pair.
- *
- * \param format pixel format.
- * \param type pixel type.
- *
- * \return bytes per pixel, or -1 if a bad format or type was given.
- */
-GLint
-_mesa_bytes_per_pixel( GLenum format, GLenum type )
-{
-   GLint comps = _mesa_components_in_format( format );
-   if (comps < 0)
-      return -1;
-
-   switch (type) {
-      case GL_BITMAP:
-         return 0;  /* special case */
-      case GL_BYTE:
-      case GL_UNSIGNED_BYTE:
-         return comps * sizeof(GLubyte);
-      case GL_SHORT:
-      case GL_UNSIGNED_SHORT:
-         return comps * sizeof(GLshort);
-      case GL_INT:
-      case GL_UNSIGNED_INT:
-         return comps * sizeof(GLint);
-      case GL_FLOAT:
-         return comps * sizeof(GLfloat);
-      case GL_HALF_FLOAT_ARB:
-         return comps * sizeof(GLhalfARB);
-      case GL_UNSIGNED_BYTE_3_3_2:
-      case GL_UNSIGNED_BYTE_2_3_3_REV:
-         if (format == GL_RGB || format == GL_BGR ||
-             format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
-            return sizeof(GLubyte);
-         else
-            return -1;  /* error */
-      case GL_UNSIGNED_SHORT_5_6_5:
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-         if (format == GL_RGB || format == GL_BGR ||
-             format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
-            return sizeof(GLushort);
-         else
-            return -1;  /* error */
-      case GL_UNSIGNED_SHORT_4_4_4_4:
-      case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-      case GL_UNSIGNED_SHORT_5_5_5_1:
-      case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-         if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
-             format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
-            return sizeof(GLushort);
-         else
-            return -1;
-      case GL_UNSIGNED_INT_8_8_8_8:
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-      case GL_UNSIGNED_INT_10_10_10_2:
-      case GL_UNSIGNED_INT_2_10_10_10_REV:
-         if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
-             format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
-            return sizeof(GLuint);
-         else
-            return -1;
-      case GL_UNSIGNED_SHORT_8_8_MESA:
-      case GL_UNSIGNED_SHORT_8_8_REV_MESA:
-         if (format == GL_YCBCR_MESA)
-            return sizeof(GLushort);
-         else
-            return -1;
-      case GL_UNSIGNED_INT_24_8_EXT:
-         if (format == GL_DEPTH_STENCIL_EXT)
-            return sizeof(GLuint);
-         else
-            return -1;
-      case GL_UNSIGNED_INT_5_9_9_9_REV:
-         if (format == GL_RGB)
-            return sizeof(GLuint);
-         else
-            return -1;
-      case GL_UNSIGNED_INT_10F_11F_11F_REV:
-         if (format == GL_RGB)
-            return sizeof(GLuint);
-         else
-            return -1;
-      case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
-         if (format == GL_DEPTH_STENCIL)
-            return 8;
-         else
-            return -1;
-      default:
-         return -1;
-   }
-}
-
-
-/**
- * Do error checking of format/type combinations for glReadPixels,
- * glDrawPixels and glTex[Sub]Image.  Note that depending on the format
- * and type values, we may either generate GL_INVALID_OPERATION or
- * GL_INVALID_ENUM.
- *
- * \param format pixel format.
- * \param type pixel type.
- *
- * \return GL_INVALID_ENUM, GL_INVALID_OPERATION or GL_NO_ERROR
- */
-GLenum
-_mesa_error_check_format_and_type(const struct gl_context *ctx,
-                                  GLenum format, GLenum type)
-{
-   /* special type-based checks (see glReadPixels, glDrawPixels error lists) */
-   switch (type) {
-   case GL_BITMAP:
-      if (format != GL_COLOR_INDEX && format != GL_STENCIL_INDEX) {
-         return GL_INVALID_ENUM;
-      }
-      break;
-
-   case GL_UNSIGNED_BYTE_3_3_2:
-   case GL_UNSIGNED_BYTE_2_3_3_REV:
-   case GL_UNSIGNED_SHORT_5_6_5:
-   case GL_UNSIGNED_SHORT_5_6_5_REV:
-      if (format == GL_RGB) {
-         break; /* OK */
-      }
-      if (format == GL_RGB_INTEGER_EXT &&
-          ctx->Extensions.ARB_texture_rgb10_a2ui) {
-         break; /* OK */
-      }
-      return GL_INVALID_OPERATION;
-
-   case GL_UNSIGNED_SHORT_4_4_4_4:
-   case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-   case GL_UNSIGNED_SHORT_5_5_5_1:
-   case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-   case GL_UNSIGNED_INT_8_8_8_8:
-   case GL_UNSIGNED_INT_8_8_8_8_REV:
-   case GL_UNSIGNED_INT_10_10_10_2:
-   case GL_UNSIGNED_INT_2_10_10_10_REV:
-      if (format == GL_RGBA ||
-          format == GL_BGRA ||
-          format == GL_ABGR_EXT) {
-         break; /* OK */
-      }
-      if ((format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) &&
-          ctx->Extensions.ARB_texture_rgb10_a2ui) {
-         break; /* OK */
-      }
-      return GL_INVALID_OPERATION;
-
-   case GL_UNSIGNED_INT_24_8:
-      if (!ctx->Extensions.EXT_packed_depth_stencil) {
-         return GL_INVALID_ENUM;
-      }
-      if (format != GL_DEPTH_STENCIL) {
-         return GL_INVALID_OPERATION;
-      }
-      return GL_NO_ERROR;
-
-   case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
-      if (!ctx->Extensions.ARB_depth_buffer_float) {
-         return GL_INVALID_ENUM;
-      }
-      if (format != GL_DEPTH_STENCIL) {
-         return GL_INVALID_OPERATION;
-      }
-      return GL_NO_ERROR;
-
-   case GL_UNSIGNED_INT_10F_11F_11F_REV:
-      if (!ctx->Extensions.EXT_packed_float) {
-         return GL_INVALID_ENUM;
-      }
-      if (format != GL_RGB) {
-         return GL_INVALID_OPERATION;
-      }
-      return GL_NO_ERROR;
-
-   default:
-      ; /* fall-through */
-   }
-
-   /* now, for each format, check the type for compatibility */
-   switch (format) {
-      case GL_COLOR_INDEX:
-      case GL_STENCIL_INDEX:
-         switch (type) {
-            case GL_BITMAP:
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-               return GL_NO_ERROR;
-            case GL_HALF_FLOAT:
-               return ctx->Extensions.ARB_half_float_pixel
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_RED:
-      case GL_GREEN:
-      case GL_BLUE:
-      case GL_ALPHA:
-#if 0 /* not legal!  see table 3.6 of the 1.5 spec */
-      case GL_INTENSITY:
-#endif
-      case GL_LUMINANCE:
-      case GL_LUMINANCE_ALPHA:
-      case GL_DEPTH_COMPONENT:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-               return GL_NO_ERROR;
-            case GL_HALF_FLOAT:
-               return ctx->Extensions.ARB_half_float_pixel
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_RG:
-	 if (!ctx->Extensions.ARB_texture_rg)
-	    return GL_INVALID_ENUM;
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-               return GL_NO_ERROR;
-            case GL_HALF_FLOAT:
-               return ctx->Extensions.ARB_half_float_pixel
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_RGB:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-            case GL_UNSIGNED_BYTE_3_3_2:
-            case GL_UNSIGNED_BYTE_2_3_3_REV:
-            case GL_UNSIGNED_SHORT_5_6_5:
-            case GL_UNSIGNED_SHORT_5_6_5_REV:
-               return GL_NO_ERROR;
-            case GL_HALF_FLOAT:
-               return ctx->Extensions.ARB_half_float_pixel
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            case GL_UNSIGNED_INT_5_9_9_9_REV:
-               return ctx->Extensions.EXT_texture_shared_exponent
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            case GL_UNSIGNED_INT_10F_11F_11F_REV:
-               return ctx->Extensions.EXT_packed_float
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_BGR:
-         switch (type) {
-            /* NOTE: no packed types are supported with BGR.  That's
-             * intentional, according to the GL spec.
-             */
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-               return GL_NO_ERROR;
-            case GL_HALF_FLOAT:
-               return ctx->Extensions.ARB_half_float_pixel
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_RGBA:
-      case GL_BGRA:
-      case GL_ABGR_EXT:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-            case GL_UNSIGNED_SHORT_4_4_4_4:
-            case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-            case GL_UNSIGNED_SHORT_5_5_5_1:
-            case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-            case GL_UNSIGNED_INT_8_8_8_8:
-            case GL_UNSIGNED_INT_8_8_8_8_REV:
-            case GL_UNSIGNED_INT_10_10_10_2:
-            case GL_UNSIGNED_INT_2_10_10_10_REV:
-               return GL_NO_ERROR;
-            case GL_HALF_FLOAT:
-               return ctx->Extensions.ARB_half_float_pixel
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_YCBCR_MESA:
-         if (!ctx->Extensions.MESA_ycbcr_texture)
-            return GL_INVALID_ENUM;
-         if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
-             type == GL_UNSIGNED_SHORT_8_8_REV_MESA)
-            return GL_NO_ERROR;
-         else
-            return GL_INVALID_OPERATION;
-
-      case GL_DEPTH_STENCIL_EXT:
-         if (ctx->Extensions.EXT_packed_depth_stencil &&
-             type == GL_UNSIGNED_INT_24_8)
-            return GL_NO_ERROR;
-         else if (ctx->Extensions.ARB_depth_buffer_float &&
-             type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
-            return GL_NO_ERROR;
-         else
-            return GL_INVALID_ENUM;
-
-      case GL_DUDV_ATI:
-      case GL_DU8DV8_ATI:
-         if (!ctx->Extensions.ATI_envmap_bumpmap)
-            return GL_INVALID_ENUM;
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            case GL_FLOAT:
-               return GL_NO_ERROR;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      /* integer-valued formats */
-      case GL_RED_INTEGER_EXT:
-      case GL_GREEN_INTEGER_EXT:
-      case GL_BLUE_INTEGER_EXT:
-      case GL_ALPHA_INTEGER_EXT:
-      case GL_RG_INTEGER:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-               return (ctx->VersionMajor >= 3 ||
-                       ctx->Extensions.EXT_texture_integer)
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_RGB_INTEGER_EXT:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-               return (ctx->VersionMajor >= 3 ||
-                       ctx->Extensions.EXT_texture_integer)
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            case GL_UNSIGNED_BYTE_3_3_2:
-            case GL_UNSIGNED_BYTE_2_3_3_REV:
-            case GL_UNSIGNED_SHORT_5_6_5:
-            case GL_UNSIGNED_SHORT_5_6_5_REV:
-               return ctx->Extensions.ARB_texture_rgb10_a2ui
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_BGR_INTEGER_EXT:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-            /* NOTE: no packed formats w/ BGR format */
-               return (ctx->VersionMajor >= 3 ||
-                       ctx->Extensions.EXT_texture_integer)
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_RGBA_INTEGER_EXT:
-      case GL_BGRA_INTEGER_EXT:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-               return (ctx->VersionMajor >= 3 ||
-                       ctx->Extensions.EXT_texture_integer)
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            case GL_UNSIGNED_SHORT_4_4_4_4:
-            case GL_UNSIGNED_SHORT_4_4_4_4_REV:
-            case GL_UNSIGNED_SHORT_5_5_5_1:
-            case GL_UNSIGNED_SHORT_1_5_5_5_REV:
-            case GL_UNSIGNED_INT_8_8_8_8:
-            case GL_UNSIGNED_INT_8_8_8_8_REV:
-            case GL_UNSIGNED_INT_10_10_10_2:
-            case GL_UNSIGNED_INT_2_10_10_10_REV:
-               return ctx->Extensions.ARB_texture_rgb10_a2ui
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      case GL_LUMINANCE_INTEGER_EXT:
-      case GL_LUMINANCE_ALPHA_INTEGER_EXT:
-         switch (type) {
-            case GL_BYTE:
-            case GL_UNSIGNED_BYTE:
-            case GL_SHORT:
-            case GL_UNSIGNED_SHORT:
-            case GL_INT:
-            case GL_UNSIGNED_INT:
-               return ctx->Extensions.EXT_texture_integer
-                  ? GL_NO_ERROR : GL_INVALID_ENUM;
-            default:
-               return GL_INVALID_ENUM;
-         }
-
-      default:
-         return GL_INVALID_ENUM;
-   }
-   return GL_NO_ERROR;
-}
-
-
-/**
- * Test if the given image format is a color/RGBA format (i.e., not color
- * index, depth, stencil, etc).
- * \param format  the image format value (may by an internal texture format)
- * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_is_color_format(GLenum format)
-{
-   switch (format) {
-      case GL_RED:
-      case GL_GREEN:
-      case GL_BLUE:
-      case GL_ALPHA:
-      case GL_ALPHA4:
-      case GL_ALPHA8:
-      case GL_ALPHA12:
-      case GL_ALPHA16:
-      case 1:
-      case GL_LUMINANCE:
-      case GL_LUMINANCE4:
-      case GL_LUMINANCE8:
-      case GL_LUMINANCE12:
-      case GL_LUMINANCE16:
-      case 2:
-      case GL_LUMINANCE_ALPHA:
-      case GL_LUMINANCE4_ALPHA4:
-      case GL_LUMINANCE6_ALPHA2:
-      case GL_LUMINANCE8_ALPHA8:
-      case GL_LUMINANCE12_ALPHA4:
-      case GL_LUMINANCE12_ALPHA12:
-      case GL_LUMINANCE16_ALPHA16:
-      case GL_INTENSITY:
-      case GL_INTENSITY4:
-      case GL_INTENSITY8:
-      case GL_INTENSITY12:
-      case GL_INTENSITY16:
-      case GL_R8:
-      case GL_R16:
-      case GL_RG:
-      case GL_RG8:
-      case GL_RG16:
-      case 3:
-      case GL_RGB:
-      case GL_BGR:
-      case GL_R3_G3_B2:
-      case GL_RGB4:
-      case GL_RGB5:
-      case GL_RGB565:
-      case GL_RGB8:
-      case GL_RGB10:
-      case GL_RGB12:
-      case GL_RGB16:
-      case 4:
-      case GL_ABGR_EXT:
-      case GL_RGBA:
-      case GL_BGRA:
-      case GL_RGBA2:
-      case GL_RGBA4:
-      case GL_RGB5_A1:
-      case GL_RGBA8:
-      case GL_RGB10_A2:
-      case GL_RGBA12:
-      case GL_RGBA16:
-      /* float texture formats */
-      case GL_ALPHA16F_ARB:
-      case GL_ALPHA32F_ARB:
-      case GL_LUMINANCE16F_ARB:
-      case GL_LUMINANCE32F_ARB:
-      case GL_LUMINANCE_ALPHA16F_ARB:
-      case GL_LUMINANCE_ALPHA32F_ARB:
-      case GL_INTENSITY16F_ARB:
-      case GL_INTENSITY32F_ARB:
-      case GL_R16F:
-      case GL_R32F:
-      case GL_RG16F:
-      case GL_RG32F:
-      case GL_RGB16F_ARB:
-      case GL_RGB32F_ARB:
-      case GL_RGBA16F_ARB:
-      case GL_RGBA32F_ARB:
-      /* compressed formats */
-      case GL_COMPRESSED_ALPHA:
-      case GL_COMPRESSED_LUMINANCE:
-      case GL_COMPRESSED_LUMINANCE_ALPHA:
-      case GL_COMPRESSED_INTENSITY:
-      case GL_COMPRESSED_RED:
-      case GL_COMPRESSED_RG:
-      case GL_COMPRESSED_RGB:
-      case GL_COMPRESSED_RGBA:
-      case GL_RGB_S3TC:
-      case GL_RGB4_S3TC:
-      case GL_RGBA_S3TC:
-      case GL_RGBA4_S3TC:
-      case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
-      case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
-      case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
-      case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-      case GL_COMPRESSED_RGB_FXT1_3DFX:
-      case GL_COMPRESSED_RGBA_FXT1_3DFX:
-#if FEATURE_EXT_texture_sRGB
-      case GL_SRGB_EXT:
-      case GL_SRGB8_EXT:
-      case GL_SRGB_ALPHA_EXT:
-      case GL_SRGB8_ALPHA8_EXT:
-      case GL_SLUMINANCE_ALPHA_EXT:
-      case GL_SLUMINANCE8_ALPHA8_EXT:
-      case GL_SLUMINANCE_EXT:
-      case GL_SLUMINANCE8_EXT:
-      case GL_COMPRESSED_SRGB_EXT:
-      case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
-      case GL_COMPRESSED_SRGB_ALPHA_EXT:
-      case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
-      case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
-      case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
-      case GL_COMPRESSED_SLUMINANCE_EXT:
-      case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
-#endif /* FEATURE_EXT_texture_sRGB */
-      case GL_COMPRESSED_RED_RGTC1:
-      case GL_COMPRESSED_SIGNED_RED_RGTC1:
-      case GL_COMPRESSED_RG_RGTC2:
-      case GL_COMPRESSED_SIGNED_RG_RGTC2:
-      case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
-      case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
-      case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
-      case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
-      case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
-      case GL_ETC1_RGB8_OES:
-      /* generic integer formats */
-      case GL_RED_INTEGER_EXT:
-      case GL_GREEN_INTEGER_EXT:
-      case GL_BLUE_INTEGER_EXT:
-      case GL_ALPHA_INTEGER_EXT:
-      case GL_RGB_INTEGER_EXT:
-      case GL_RGBA_INTEGER_EXT:
-      case GL_BGR_INTEGER_EXT:
-      case GL_BGRA_INTEGER_EXT:
-      case GL_RG_INTEGER:
-      case GL_LUMINANCE_INTEGER_EXT:
-      case GL_LUMINANCE_ALPHA_INTEGER_EXT:
-      /* sized integer formats */
-      case GL_RGBA32UI_EXT:
-      case GL_RGB32UI_EXT:
-      case GL_RG32UI:
-      case GL_R32UI:
-      case GL_ALPHA32UI_EXT:
-      case GL_INTENSITY32UI_EXT:
-      case GL_LUMINANCE32UI_EXT:
-      case GL_LUMINANCE_ALPHA32UI_EXT:
-      case GL_RGBA16UI_EXT:
-      case GL_RGB16UI_EXT:
-      case GL_RG16UI:
-      case GL_R16UI:
-      case GL_ALPHA16UI_EXT:
-      case GL_INTENSITY16UI_EXT:
-      case GL_LUMINANCE16UI_EXT:
-      case GL_LUMINANCE_ALPHA16UI_EXT:
-      case GL_RGBA8UI_EXT:
-      case GL_RGB8UI_EXT:
-      case GL_RG8UI:
-      case GL_R8UI:
-      case GL_ALPHA8UI_EXT:
-      case GL_INTENSITY8UI_EXT:
-      case GL_LUMINANCE8UI_EXT:
-      case GL_LUMINANCE_ALPHA8UI_EXT:
-      case GL_RGBA32I_EXT:
-      case GL_RGB32I_EXT:
-      case GL_RG32I:
-      case GL_R32I:
-      case GL_ALPHA32I_EXT:
-      case GL_INTENSITY32I_EXT:
-      case GL_LUMINANCE32I_EXT:
-      case GL_LUMINANCE_ALPHA32I_EXT:
-      case GL_RGBA16I_EXT:
-      case GL_RGB16I_EXT:
-      case GL_RG16I:
-      case GL_R16I:
-      case GL_ALPHA16I_EXT:
-      case GL_INTENSITY16I_EXT:
-      case GL_LUMINANCE16I_EXT:
-      case GL_LUMINANCE_ALPHA16I_EXT:
-      case GL_RGBA8I_EXT:
-      case GL_RGB8I_EXT:
-      case GL_RG8I:
-      case GL_R8I:
-      case GL_ALPHA8I_EXT:
-      case GL_INTENSITY8I_EXT:
-      case GL_LUMINANCE8I_EXT:
-      case GL_LUMINANCE_ALPHA8I_EXT:
-      /* signed, normalized texture formats */
-      case GL_RED_SNORM:
-      case GL_R8_SNORM:
-      case GL_R16_SNORM:
-      case GL_RG_SNORM:
-      case GL_RG8_SNORM:
-      case GL_RG16_SNORM:
-      case GL_RGB_SNORM:
-      case GL_RGB8_SNORM:
-      case GL_RGB16_SNORM:
-      case GL_RGBA_SNORM:
-      case GL_RGBA8_SNORM:
-      case GL_RGBA16_SNORM:
-      case GL_ALPHA_SNORM:
-      case GL_ALPHA8_SNORM:
-      case GL_ALPHA16_SNORM:
-      case GL_LUMINANCE_SNORM:
-      case GL_LUMINANCE8_SNORM:
-      case GL_LUMINANCE16_SNORM:
-      case GL_LUMINANCE_ALPHA_SNORM:
-      case GL_LUMINANCE8_ALPHA8_SNORM:
-      case GL_LUMINANCE16_ALPHA16_SNORM:
-      case GL_INTENSITY_SNORM:
-      case GL_INTENSITY8_SNORM:
-      case GL_INTENSITY16_SNORM:
-      case GL_RGB9_E5:
-      case GL_R11F_G11F_B10F:
-      case GL_RGB10_A2UI:
-         return GL_TRUE;
-      case GL_YCBCR_MESA:  /* not considered to be RGB */
-         /* fall-through */
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given image format is a depth component format.
- */
-GLboolean
-_mesa_is_depth_format(GLenum format)
-{
-   switch (format) {
-      case GL_DEPTH_COMPONENT:
-      case GL_DEPTH_COMPONENT16:
-      case GL_DEPTH_COMPONENT24:
-      case GL_DEPTH_COMPONENT32:
-      case GL_DEPTH_COMPONENT32F:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given image format is a stencil format.
- */
-GLboolean
-_mesa_is_stencil_format(GLenum format)
-{
-   switch (format) {
-      case GL_STENCIL_INDEX:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given image format is a YCbCr format.
- */
-GLboolean
-_mesa_is_ycbcr_format(GLenum format)
-{
-   switch (format) {
-      case GL_YCBCR_MESA:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given image format is a depth+stencil format.
- */
-GLboolean
-_mesa_is_depthstencil_format(GLenum format)
-{
-   switch (format) {
-      case GL_DEPTH24_STENCIL8_EXT:
-      case GL_DEPTH_STENCIL_EXT:
-      case GL_DEPTH32F_STENCIL8:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given image format is a depth or stencil format.
- */
-GLboolean
-_mesa_is_depth_or_stencil_format(GLenum format)
-{
-   switch (format) {
-      case GL_DEPTH_COMPONENT:
-      case GL_DEPTH_COMPONENT16:
-      case GL_DEPTH_COMPONENT24:
-      case GL_DEPTH_COMPONENT32:
-      case GL_STENCIL_INDEX:
-      case GL_STENCIL_INDEX1_EXT:
-      case GL_STENCIL_INDEX4_EXT:
-      case GL_STENCIL_INDEX8_EXT:
-      case GL_STENCIL_INDEX16_EXT:
-      case GL_DEPTH_STENCIL_EXT:
-      case GL_DEPTH24_STENCIL8_EXT:
-      case GL_DEPTH_COMPONENT32F:
-      case GL_DEPTH32F_STENCIL8:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given image format is a dudv format.
- */
-GLboolean
-_mesa_is_dudv_format(GLenum format)
-{
-   switch (format) {
-      case GL_DUDV_ATI:
-      case GL_DU8DV8_ATI:
-         return GL_TRUE;
-      default:
-         return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if the given format is an integer (non-normalized) format.
- */
-GLboolean
-_mesa_is_integer_format(GLenum format)
-{
-   switch (format) {
-   /* generic integer formats */
-   case GL_RED_INTEGER_EXT:
-   case GL_GREEN_INTEGER_EXT:
-   case GL_BLUE_INTEGER_EXT:
-   case GL_ALPHA_INTEGER_EXT:
-   case GL_RGB_INTEGER_EXT:
-   case GL_RGBA_INTEGER_EXT:
-   case GL_BGR_INTEGER_EXT:
-   case GL_BGRA_INTEGER_EXT:
-   case GL_LUMINANCE_INTEGER_EXT:
-   case GL_LUMINANCE_ALPHA_INTEGER_EXT:
-   case GL_RG_INTEGER:
-   /* specific integer formats */
-   case GL_RGBA32UI_EXT:
-   case GL_RGB32UI_EXT:
-   case GL_RG32UI:
-   case GL_R32UI:
-   case GL_ALPHA32UI_EXT:
-   case GL_INTENSITY32UI_EXT:
-   case GL_LUMINANCE32UI_EXT:
-   case GL_LUMINANCE_ALPHA32UI_EXT:
-   case GL_RGBA16UI_EXT:
-   case GL_RGB16UI_EXT:
-   case GL_RG16UI:
-   case GL_R16UI:
-   case GL_ALPHA16UI_EXT:
-   case GL_INTENSITY16UI_EXT:
-   case GL_LUMINANCE16UI_EXT:
-   case GL_LUMINANCE_ALPHA16UI_EXT:
-   case GL_RGBA8UI_EXT:
-   case GL_RGB8UI_EXT:
-   case GL_RG8UI:
-   case GL_R8UI:
-   case GL_ALPHA8UI_EXT:
-   case GL_INTENSITY8UI_EXT:
-   case GL_LUMINANCE8UI_EXT:
-   case GL_LUMINANCE_ALPHA8UI_EXT:
-   case GL_RGBA32I_EXT:
-   case GL_RGB32I_EXT:
-   case GL_RG32I:
-   case GL_R32I:
-   case GL_ALPHA32I_EXT:
-   case GL_INTENSITY32I_EXT:
-   case GL_LUMINANCE32I_EXT:
-   case GL_LUMINANCE_ALPHA32I_EXT:
-   case GL_RGBA16I_EXT:
-   case GL_RGB16I_EXT:
-   case GL_RG16I:
-   case GL_R16I:
-   case GL_ALPHA16I_EXT:
-   case GL_INTENSITY16I_EXT:
-   case GL_LUMINANCE16I_EXT:
-   case GL_LUMINANCE_ALPHA16I_EXT:
-   case GL_RGBA8I_EXT:
-   case GL_RGB8I_EXT:
-   case GL_RG8I:
-   case GL_R8I:
-   case GL_ALPHA8I_EXT:
-   case GL_INTENSITY8I_EXT:
-   case GL_LUMINANCE8I_EXT:
-   case GL_LUMINANCE_ALPHA8I_EXT:
-   case GL_RGB10_A2UI:
-      return GL_TRUE;
-   default:
-      return GL_FALSE;
-   }
-}
-
-
-/**
- * Test if an image format is a supported compressed format.
- * \param format the internal format token provided by the user.
- * \return GL_TRUE if compressed, GL_FALSE if uncompressed
- */
-GLboolean
-_mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
-{
-   switch (format) {
-   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
-   case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
-   case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
-   case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-      return ctx->Extensions.EXT_texture_compression_s3tc;
-   case GL_RGB_S3TC:
-   case GL_RGB4_S3TC:
-   case GL_RGBA_S3TC:
-   case GL_RGBA4_S3TC:
-      return ctx->Extensions.S3_s3tc;
-   case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
-   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
-   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
-   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
-      return ctx->Extensions.EXT_texture_sRGB
-         && ctx->Extensions.EXT_texture_compression_s3tc;
-   case GL_COMPRESSED_RGB_FXT1_3DFX:
-   case GL_COMPRESSED_RGBA_FXT1_3DFX:
-      return ctx->Extensions.TDFX_texture_compression_FXT1;
-   case GL_COMPRESSED_RED_RGTC1:
-   case GL_COMPRESSED_SIGNED_RED_RGTC1:
-   case GL_COMPRESSED_RG_RGTC2:
-   case GL_COMPRESSED_SIGNED_RG_RGTC2:
-      return ctx->Extensions.ARB_texture_compression_rgtc;
-   case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
-   case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
-   case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
-   case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
-      return ctx->Extensions.EXT_texture_compression_latc;
-   case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
-      return ctx->Extensions.ATI_texture_compression_3dc;
-   case GL_ETC1_RGB8_OES:
-      return ctx->Extensions.OES_compressed_ETC1_RGB8_texture;
-#if FEATURE_ES
-   case GL_PALETTE4_RGB8_OES:
-   case GL_PALETTE4_RGBA8_OES:
-   case GL_PALETTE4_R5_G6_B5_OES:
-   case GL_PALETTE4_RGBA4_OES:
-   case GL_PALETTE4_RGB5_A1_OES:
-   case GL_PALETTE8_RGB8_OES:
-   case GL_PALETTE8_RGBA8_OES:
-   case GL_PALETTE8_R5_G6_B5_OES:
-   case GL_PALETTE8_RGBA4_OES:
-   case GL_PALETTE8_RGB5_A1_OES:
-      return ctx->API == API_OPENGLES;
-#endif
-   default:
-      return GL_FALSE;
-   }
-}
-
-
-/**
- * Does the given base texture/renderbuffer format have the channel
- * named by 'pname'?
- */
-GLboolean
-_mesa_base_format_has_channel(GLenum base_format, GLenum pname)
-{
-   switch (pname) {
-   case GL_TEXTURE_RED_SIZE:
-   case GL_TEXTURE_RED_TYPE:
-   case GL_RENDERBUFFER_RED_SIZE_EXT:
-   case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
-      if (base_format == GL_RED ||
-	  base_format == GL_RG ||
-	  base_format == GL_RGB ||
-	  base_format == GL_RGBA) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_TEXTURE_GREEN_SIZE:
-   case GL_TEXTURE_GREEN_TYPE:
-   case GL_RENDERBUFFER_GREEN_SIZE_EXT:
-   case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
-      if (base_format == GL_RG ||
-	  base_format == GL_RGB ||
-	  base_format == GL_RGBA) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_TEXTURE_BLUE_SIZE:
-   case GL_TEXTURE_BLUE_TYPE:
-   case GL_RENDERBUFFER_BLUE_SIZE_EXT:
-   case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
-      if (base_format == GL_RGB ||
-	  base_format == GL_RGBA) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_TEXTURE_ALPHA_SIZE:
-   case GL_TEXTURE_ALPHA_TYPE:
-   case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
-   case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
-      if (base_format == GL_RGBA ||
-	  base_format == GL_ALPHA ||
-	  base_format == GL_LUMINANCE_ALPHA) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_TEXTURE_LUMINANCE_SIZE:
-   case GL_TEXTURE_LUMINANCE_TYPE:
-      if (base_format == GL_LUMINANCE ||
-	  base_format == GL_LUMINANCE_ALPHA) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_TEXTURE_INTENSITY_SIZE:
-   case GL_TEXTURE_INTENSITY_TYPE:
-      if (base_format == GL_INTENSITY) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_TEXTURE_DEPTH_SIZE:
-   case GL_TEXTURE_DEPTH_TYPE:
-   case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
-   case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
-      if (base_format == GL_DEPTH_STENCIL ||
-	  base_format == GL_DEPTH_COMPONENT) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
-   case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
-      if (base_format == GL_DEPTH_STENCIL ||
-	  base_format == GL_STENCIL_INDEX) {
-	 return GL_TRUE;
-      }
-      return GL_FALSE;
-   default:
-      _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n",
-		    __FUNCTION__, pname);
-      return GL_FALSE;
-   }
-
-   return GL_FALSE;
-}
-
-
-/**
  * Return the byte offset of a specific pixel in an image (1D, 2D or 3D).
  *
  * Pixel unpacking/packing parameters are observed according to \p packing.