From b4a4829cd50f7110ddbdd0770297cd845ab4764d Mon Sep 17 00:00:00 2001 From: George Sapountzis Date: Fri, 23 May 2008 22:52:52 +0300 Subject: [PATCH] dri: add support for generating 3_3_2 configs --- src/mesa/drivers/dri/common/utils.c | 103 ++++++++++++++++------------ 1 file changed, 61 insertions(+), 42 deletions(-) diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c index 48c0f46fc00..7fbe0d855d0 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) -- 2.30.2