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dri: add support for generating 3_3_2 configs
This commit is contained in:
George Sapountzis
parent
6e13d6d17e
commit
b4a4829cd5
1 changed files with 61 additions and 42 deletions
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@ -525,68 +525,62 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
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unsigned num_depth_stencil_bits,
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const GLenum * db_modes, unsigned num_db_modes)
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{
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static const u_int8_t bits_table[3][4] = {
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static const u_int8_t bits_table[4][4] = {
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/* R G B A */
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{ 3, 3, 2, 0 }, /* Any GL_UNSIGNED_BYTE_3_3_2 */
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{ 5, 6, 5, 0 }, /* Any GL_UNSIGNED_SHORT_5_6_5 */
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{ 8, 8, 8, 0 }, /* Any RGB with any GL_UNSIGNED_INT_8_8_8_8 */
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{ 8, 8, 8, 8 } /* Any RGBA with any GL_UNSIGNED_INT_8_8_8_8 */
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};
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/* The following arrays are all indexed by the fb_type masked with 0x07.
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* Given the four supported fb_type values, this results in valid array
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* indices of 3, 4, 5, and 7.
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*/
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static const u_int32_t masks_table_rgb[8][4] = {
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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static const u_int32_t masks_table_rgb[6][4] = {
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{ 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 3_3_2 */
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{ 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 2_3_3_REV */
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{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5 */
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{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV */
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{ 0xFF000000, 0x00FF0000, 0x0000FF00, 0x00000000 }, /* 8_8_8_8 */
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000 } /* 8_8_8_8_REV */
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};
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static const u_int32_t masks_table_rgba[8][4] = {
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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static const u_int32_t masks_table_rgba[6][4] = {
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{ 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 3_3_2 */
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{ 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 2_3_3_REV */
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{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5 */
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{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV */
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{ 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF }, /* 8_8_8_8 */
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 }, /* 8_8_8_8_REV */
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};
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static const u_int32_t masks_table_bgr[8][4] = {
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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static const u_int32_t masks_table_bgr[6][4] = {
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{ 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 3_3_2 */
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{ 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 2_3_3_REV */
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{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5 */
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{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV */
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{ 0x0000FF00, 0x00FF0000, 0xFF000000, 0x00000000 }, /* 8_8_8_8 */
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 }, /* 8_8_8_8_REV */
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};
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static const u_int32_t masks_table_bgra[8][4] = {
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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static const u_int32_t masks_table_bgra[6][4] = {
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{ 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 3_3_2 */
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{ 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 2_3_3_REV */
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{ 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5 */
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{ 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV */
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{ 0x0000FF00, 0x00FF0000, 0xFF000000, 0x000000FF }, /* 8_8_8_8 */
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{ 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
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{ 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }, /* 8_8_8_8_REV */
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};
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static const u_int8_t bytes_per_pixel[8] = {
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0, 0, 0, 2, 2, 4, 0, 4
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static const u_int8_t bytes_per_pixel[6] = {
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1, /* 3_3_2 */
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1, /* 2_3_3_REV */
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2, /* 5_6_5 */
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2, /* 5_6_5_REV */
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4, /* 8_8_8_8 */
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4 /* 8_8_8_8_REV */
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};
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const u_int8_t * bits;
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const u_int32_t * masks;
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const int index = fb_type & 0x07;
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int index;
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__DRIconfig **configs, **c;
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__GLcontextModes *modes;
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unsigned i;
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@ -595,10 +589,29 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
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unsigned num_modes;
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unsigned num_accum_bits = 2;
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if ( bytes_per_pixel[ index ] == 0 ) {
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fprintf( stderr, "[%s:%u] Framebuffer type 0x%04x has 0 bytes per pixel.\n",
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__FUNCTION__, __LINE__, fb_type );
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return NULL;
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switch ( fb_type ) {
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case GL_UNSIGNED_BYTE_3_3_2:
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index = 0;
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break;
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case GL_UNSIGNED_BYTE_2_3_3_REV:
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index = 1;
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break;
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case GL_UNSIGNED_SHORT_5_6_5:
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index = 2;
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break;
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case GL_UNSIGNED_SHORT_5_6_5_REV:
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index = 3;
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break;
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case GL_UNSIGNED_INT_8_8_8_8:
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index = 4;
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break;
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case GL_UNSIGNED_INT_8_8_8_8_REV:
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index = 5;
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break;
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default:
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fprintf( stderr, "[%s:%u] Unknown framebuffer type 0x%04x.\n",
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__FUNCTION__, __LINE__, fb_type );
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return NULL;
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}
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@ -610,35 +623,41 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
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switch ( fb_format ) {
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case GL_RGB:
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bits = (bytes_per_pixel[ index ] == 2)
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? bits_table[0] : bits_table[1];
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masks = masks_table_rgb[ index ];
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break;
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case GL_RGBA:
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bits = (bytes_per_pixel[ index ] == 2)
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? bits_table[0] : bits_table[2];
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masks = masks_table_rgba[ index ];
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break;
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case GL_BGR:
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bits = (bytes_per_pixel[ index ] == 2)
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? bits_table[0] : bits_table[1];
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masks = masks_table_bgr[ index ];
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break;
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case GL_BGRA:
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bits = (bytes_per_pixel[ index ] == 2)
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? bits_table[0] : bits_table[2];
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masks = masks_table_bgra[ index ];
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break;
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default:
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fprintf( stderr, "[%s:%u] Framebuffer format 0x%04x is not GL_RGB, GL_RGBA, GL_BGR, or GL_BGRA.\n",
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__FUNCTION__, __LINE__, fb_format );
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fprintf( stderr, "[%s:%u] Unknown framebuffer format 0x%04x.\n",
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__FUNCTION__, __LINE__, fb_format );
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return NULL;
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}
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switch ( bytes_per_pixel[ index ] ) {
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case 1:
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bits = bits_table[0];
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break;
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case 2:
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bits = bits_table[1];
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break;
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default:
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bits = ((fb_format == GL_RGB) || (fb_format == GL_BGR))
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? bits_table[2]
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: bits_table[3];
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break;
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}
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num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits;
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configs = _mesa_calloc((num_modes + 1) * sizeof *configs);
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if (configs == NULL)
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