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i965: srgb texture fixes

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i965 can either do SRGBA8_REV format or SARGB8 format, but not SRGBA8.
Could add SRGBA8_REV support to mesa, but simply use SARGB8 for now.
While here, also add true srgb luminance / luminance_alpha support -
unfortunately the published docs fail to mention which asics support
this, tested on g43 so assume this works on any g4x.
This commit is contained in:
Roland Scheidegger 2009-03-28 01:43:50 +01:00
parent 02a579f2e7
commit a693a2998c
3 changed files with 27 additions and 10 deletions
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8
src/mesa/drivers/dri/i965/brw_defines.h
View file

@ -367,9 +367,10 @@
#define BRW_SURFACEFORMAT_L8A8_UNORM 0x114
#define BRW_SURFACEFORMAT_I16_FLOAT 0x115
#define BRW_SURFACEFORMAT_L16_FLOAT 0x116
#define BRW_SURFACEFORMAT_A16_FLOAT 0x117
#define BRW_SURFACEFORMAT_R5G5_SNORM_B6_UNORM 0x119
#define BRW_SURFACEFORMAT_B5G5R5X1_UNORM 0x11A
#define BRW_SURFACEFORMAT_A16_FLOAT 0x117
#define BRW_SURFACEFORMAT_L8A8_UNORM_SRGB 0x118
#define BRW_SURFACEFORMAT_R5G5_SNORM_B6_UNORM 0x119
#define BRW_SURFACEFORMAT_B5G5R5X1_UNORM 0x11A
#define BRW_SURFACEFORMAT_B5G5R5X1_UNORM_SRGB 0x11B
#define BRW_SURFACEFORMAT_R8G8_SSCALED 0x11C
#define BRW_SURFACEFORMAT_R8G8_USCALED 0x11D
@ -386,6 +387,7 @@
#define BRW_SURFACEFORMAT_A4P4_UNORM 0x148
#define BRW_SURFACEFORMAT_R8_SSCALED 0x149
#define BRW_SURFACEFORMAT_R8_USCALED 0x14A
#define BRW_SURFACEFORMAT_L8_UNORM_SRGB 0x14C
#define BRW_SURFACEFORMAT_R1_UINT 0x181
#define BRW_SURFACEFORMAT_YCRCB_NORMAL 0x182
#define BRW_SURFACEFORMAT_YCRCB_SWAPUVY 0x183

10
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
View file

@ -140,8 +140,14 @@ static GLuint translate_tex_format( GLuint mesa_format, GLenum internal_format,
case MESA_FORMAT_RGBA_DXT5:
return BRW_SURFACEFORMAT_BC3_UNORM;
case MESA_FORMAT_SRGBA8:
return BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB;
case MESA_FORMAT_SARGB8:
return BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB;
case MESA_FORMAT_SLA8:
return BRW_SURFACEFORMAT_L8A8_UNORM_SRGB;
case MESA_FORMAT_SL8:
return BRW_SURFACEFORMAT_L8_UNORM_SRGB;
case MESA_FORMAT_SRGB_DXT1:
return BRW_SURFACEFORMAT_BC1_UNORM_SRGB;

19
src/mesa/drivers/dri/intel/intel_tex_format.c
View file

@ -1,5 +1,6 @@
#include "intel_context.h"
#include "intel_tex.h"
#include "intel_chipset.h"
#include "main/texformat.h"
#include "main/enums.h"
@ -160,15 +161,23 @@ intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat,
case GL_SRGB8_EXT:
case GL_SRGB_ALPHA_EXT:
case GL_SRGB8_ALPHA8_EXT:
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
case GL_COMPRESSED_SRGB_EXT:
case GL_COMPRESSED_SRGB_ALPHA_EXT:
case GL_COMPRESSED_SLUMINANCE_EXT:
case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
return &_mesa_texformat_srgba8;
return &_mesa_texformat_sargb8;
case GL_SLUMINANCE_EXT:
case GL_SLUMINANCE8_EXT:
if (IS_G4X(intel->intelScreen->deviceID))
return &_mesa_texformat_sl8;
else
return &_mesa_texformat_sargb8;
case GL_SLUMINANCE_ALPHA_EXT:
case GL_SLUMINANCE8_ALPHA8_EXT:
if (IS_G4X(intel->intelScreen->deviceID))
return &_mesa_texformat_sla8;
else
return &_mesa_texformat_sargb8;
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: