dri: Convert driCreateConfigs to use a gl_format enum

This is instead of the pair of GLenums for format and type that were
previously used.  This is necessary for the Intel drivers to expose sRGB
framebuffer formats.

Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chad Versace <[email protected]>

1 files changed, 40 insertions, 100 deletions

diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
index 5117ff70a0f..92bad55e9e3 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -31,6 +31,7 @@
 
 #include <string.h>
 #include <stdlib.h>
+#include <stdbool.h>
 #include "main/mtypes.h"
 #include "main/cpuinfo.h"
 #include "main/extensions.h"
@@ -185,117 +186,56 @@ driGetRendererString( char * buffer, const char * hardware_name,
  * \c GL_4HALF_16_16_16_16, etc.  We can cross that bridge when we come to it.
  */
 __DRIconfig **
-driCreateConfigs(GLenum fb_format, GLenum fb_type,
+driCreateConfigs(gl_format format,
 		 const uint8_t * depth_bits, const uint8_t * stencil_bits,
 		 unsigned num_depth_stencil_bits,
 		 const GLenum * db_modes, unsigned num_db_modes,
 		 const uint8_t * msaa_samples, unsigned num_msaa_modes,
 		 GLboolean enable_accum)
 {
-   static const uint8_t bits_table[4][4] = {
-     /* R  G  B  A */
-      { 5, 6, 5, 0 }, /* Any GL_UNSIGNED_SHORT_5_6_5 */
-      { 8, 8, 8, 0 }, /* Any RGB with any GL_UNSIGNED_INT_8_8_8_8 */
-      { 8, 8, 8, 8 }  /* Any RGBA with any GL_UNSIGNED_INT_8_8_8_8 */
+   static const uint32_t masks_table[][4] = {
+      /* MESA_FORMAT_RGB565 */
+      { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 },
+      /* MESA_FORMAT_XRGB8888 */
+      { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 },
+      /* MESA_FORMAT_ARGB8888 */
+      { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 },
    };
 
-   static const uint32_t masks_table_rgb[6][4] = {
-      { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5       */
-      { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV   */
-      { 0xFF000000, 0x00FF0000, 0x0000FF00, 0x00000000 }, /* 8_8_8_8     */
-      { 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000 }  /* 8_8_8_8_REV */
-   };
-
-   static const uint32_t masks_table_rgba[6][4] = {
-      { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5       */
-      { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV   */
-      { 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF }, /* 8_8_8_8     */
-      { 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 }, /* 8_8_8_8_REV */
-   };
-
-   static const uint32_t masks_table_bgr[6][4] = {
-      { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5       */
-      { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV   */
-      { 0x0000FF00, 0x00FF0000, 0xFF000000, 0x00000000 }, /* 8_8_8_8     */
-      { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 }, /* 8_8_8_8_REV */
-   };
-
-   static const uint32_t masks_table_bgra[6][4] = {
-      { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5       */
-      { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV   */
-      { 0x0000FF00, 0x00FF0000, 0xFF000000, 0x000000FF }, /* 8_8_8_8     */
-      { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }, /* 8_8_8_8_REV */
-   };
-
-   const uint8_t  * bits;
    const uint32_t * masks;
-   int index;
    __DRIconfig **configs, **c;
    struct gl_config *modes;
    unsigned i, j, k, h;
    unsigned num_modes;
    unsigned num_accum_bits = (enable_accum) ? 2 : 1;
-
-   switch ( fb_type ) {
-      case GL_UNSIGNED_SHORT_5_6_5:
-	 index = 0;
-	 break;
-      case GL_UNSIGNED_SHORT_5_6_5_REV:
-	 index = 1;
-	 break;
-      case GL_UNSIGNED_INT_8_8_8_8:
-	 index = 2;
-	 break;
-      case GL_UNSIGNED_INT_8_8_8_8_REV:
-	 index = 3;
-	 break;
-      default:
-	 fprintf( stderr, "[%s:%u] Unknown framebuffer type 0x%04x.\n",
-               __FUNCTION__, __LINE__, fb_type );
-	 return NULL;
-   }
-
-
-   /* Valid types are GL_UNSIGNED_SHORT_5_6_5 and GL_UNSIGNED_INT_8_8_8_8 and
-    * the _REV versions.
-    *
-    * Valid formats are GL_RGBA, GL_RGB, and GL_BGRA.
-    */
-
-   switch ( fb_format ) {
-      case GL_RGB:
-         masks = masks_table_rgb[ index ];
-         break;
-
-      case GL_RGBA:
-         masks = masks_table_rgba[ index ];
-         break;
-
-      case GL_BGR:
-         masks = masks_table_bgr[ index ];
-         break;
-
-      case GL_BGRA:
-         masks = masks_table_bgra[ index ];
-         break;
-
-      default:
-         fprintf( stderr, "[%s:%u] Unknown framebuffer format 0x%04x.\n",
-               __FUNCTION__, __LINE__, fb_format );
-         return NULL;
+   int red_bits;
+   int green_bits;
+   int blue_bits;
+   int alpha_bits;
+   bool is_srgb;
+
+   switch (format) {
+   case MESA_FORMAT_RGB565:
+      masks = masks_table[0];
+      break;
+   case MESA_FORMAT_XRGB8888:
+      masks = masks_table[1];
+      break;
+   case MESA_FORMAT_ARGB8888:
+      masks = masks_table[2];
+      break;
+   default:
+      fprintf(stderr, "[%s:%u] Unknown framebuffer type %s (%d).\n",
+              __FUNCTION__, __LINE__,
+              _mesa_get_format_name(format), format);
+      return NULL;
    }
 
-   switch ( index ) {
-      case 0:
-      case 1:
-	 bits = bits_table[0];
-	 break;
-      default:
-	 bits = ((fb_format == GL_RGB) || (fb_format == GL_BGR))
-	    ? bits_table[1]
-	    : bits_table[2];
-	 break;
-   }
+   red_bits = _mesa_get_format_bits(format, GL_RED_BITS);
+   green_bits = _mesa_get_format_bits(format, GL_GREEN_BITS);
+   blue_bits = _mesa_get_format_bits(format, GL_BLUE_BITS);
+   alpha_bits = _mesa_get_format_bits(format, GL_ALPHA_BITS);
+   is_srgb = false;
 
    num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits * num_msaa_modes;
    configs = calloc(1, (num_modes + 1) * sizeof *configs);
@@ -312,10 +252,10 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
 		    c++;
 
 		    memset(modes, 0, sizeof *modes);
-		    modes->redBits   = bits[0];
-		    modes->greenBits = bits[1];
-		    modes->blueBits  = bits[2];
-		    modes->alphaBits = bits[3];
+		    modes->redBits   = red_bits;
+		    modes->greenBits = green_bits;
+		    modes->blueBits  = blue_bits;
+		    modes->alphaBits = alpha_bits;
 		    modes->redMask   = masks[0];
 		    modes->greenMask = masks[1];
 		    modes->blueMask  = masks[2];
@@ -367,7 +307,7 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
 			__DRI_ATTRIB_TEXTURE_2D_BIT |
 			__DRI_ATTRIB_TEXTURE_RECTANGLE_BIT;
 
-		    modes->sRGBCapable = GL_FALSE;
+		    modes->sRGBCapable = is_srgb;
 		}
 	    }
 	}