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-rw-r--r--src/mesa/drivers/dri/common/utils.c103
1 files changed, 61 insertions, 42 deletions
diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
index 48c0f46fc0..7fbe0d855d 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -525,68 +525,62 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
unsigned num_depth_stencil_bits,
const GLenum * db_modes, unsigned num_db_modes)
{
- static const u_int8_t bits_table[3][4] = {
+ static const u_int8_t bits_table[4][4] = {
/* R G B A */
+ { 3, 3, 2, 0 }, /* Any GL_UNSIGNED_BYTE_3_3_2 */
{ 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 */
};
- /* The following arrays are all indexed by the fb_type masked with 0x07.
- * Given the four supported fb_type values, this results in valid array
- * indices of 3, 4, 5, and 7.
- */
- static const u_int32_t masks_table_rgb[8][4] = {
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+ static const u_int32_t masks_table_rgb[6][4] = {
+ { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 3_3_2 */
+ { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 2_3_3_REV */
{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5 */
{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV */
{ 0xFF000000, 0x00FF0000, 0x0000FF00, 0x00000000 }, /* 8_8_8_8 */
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
{ 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000 } /* 8_8_8_8_REV */
};
- static const u_int32_t masks_table_rgba[8][4] = {
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+ static const u_int32_t masks_table_rgba[6][4] = {
+ { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 3_3_2 */
+ { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 2_3_3_REV */
{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5 */
{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV */
{ 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF }, /* 8_8_8_8 */
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
{ 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 }, /* 8_8_8_8_REV */
};
- static const u_int32_t masks_table_bgr[8][4] = {
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+ static const u_int32_t masks_table_bgr[6][4] = {
+ { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 3_3_2 */
+ { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 2_3_3_REV */
{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5 */
{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV */
{ 0x0000FF00, 0x00FF0000, 0xFF000000, 0x00000000 }, /* 8_8_8_8 */
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
{ 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 }, /* 8_8_8_8_REV */
};
- static const u_int32_t masks_table_bgra[8][4] = {
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+ static const u_int32_t masks_table_bgra[6][4] = {
+ { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 3_3_2 */
+ { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 2_3_3_REV */
{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5 */
{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV */
{ 0x0000FF00, 0x00FF0000, 0xFF000000, 0x000000FF }, /* 8_8_8_8 */
- { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
{ 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }, /* 8_8_8_8_REV */
};
- static const u_int8_t bytes_per_pixel[8] = {
- 0, 0, 0, 2, 2, 4, 0, 4
+ static const u_int8_t bytes_per_pixel[6] = {
+ 1, /* 3_3_2 */
+ 1, /* 2_3_3_REV */
+ 2, /* 5_6_5 */
+ 2, /* 5_6_5_REV */
+ 4, /* 8_8_8_8 */
+ 4 /* 8_8_8_8_REV */
};
const u_int8_t * bits;
const u_int32_t * masks;
- const int index = fb_type & 0x07;
+ int index;
__DRIconfig **configs, **c;
__GLcontextModes *modes;
unsigned i;
@@ -595,10 +589,29 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
unsigned num_modes;
unsigned num_accum_bits = 2;
- if ( bytes_per_pixel[ index ] == 0 ) {
- fprintf( stderr, "[%s:%u] Framebuffer type 0x%04x has 0 bytes per pixel.\n",
- __FUNCTION__, __LINE__, fb_type );
- return NULL;
+ switch ( fb_type ) {
+ case GL_UNSIGNED_BYTE_3_3_2:
+ index = 0;
+ break;
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ index = 1;
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ index = 2;
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ index = 3;
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ index = 4;
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ index = 5;
+ break;
+ default:
+ fprintf( stderr, "[%s:%u] Unknown framebuffer type 0x%04x.\n",
+ __FUNCTION__, __LINE__, fb_type );
+ return NULL;
}
@@ -610,35 +623,41 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
switch ( fb_format ) {
case GL_RGB:
- bits = (bytes_per_pixel[ index ] == 2)
- ? bits_table[0] : bits_table[1];
masks = masks_table_rgb[ index ];
break;
case GL_RGBA:
- bits = (bytes_per_pixel[ index ] == 2)
- ? bits_table[0] : bits_table[2];
masks = masks_table_rgba[ index ];
break;
case GL_BGR:
- bits = (bytes_per_pixel[ index ] == 2)
- ? bits_table[0] : bits_table[1];
masks = masks_table_bgr[ index ];
break;
case GL_BGRA:
- bits = (bytes_per_pixel[ index ] == 2)
- ? bits_table[0] : bits_table[2];
masks = masks_table_bgra[ index ];
break;
default:
- fprintf( stderr, "[%s:%u] Framebuffer format 0x%04x is not GL_RGB, GL_RGBA, GL_BGR, or GL_BGRA.\n",
- __FUNCTION__, __LINE__, fb_format );
+ fprintf( stderr, "[%s:%u] Unknown framebuffer format 0x%04x.\n",
+ __FUNCTION__, __LINE__, fb_format );
return NULL;
}
+ switch ( bytes_per_pixel[ index ] ) {
+ case 1:
+ bits = bits_table[0];
+ break;
+ case 2:
+ bits = bits_table[1];
+ break;
+ default:
+ bits = ((fb_format == GL_RGB) || (fb_format == GL_BGR))
+ ? bits_table[2]
+ : bits_table[3];
+ break;
+ }
+
num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits;
configs = _mesa_calloc((num_modes + 1) * sizeof *configs);
if (configs == NULL)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 07:41:25 +0000