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authorRoland Scheidegger <sroland@tungstengraphics.com>2008-12-12 05:09:56 +0100
committerRoland Scheidegger <sroland@tungstengraphics.com>2008-12-12 05:12:55 +0100
commitfd2492d24447e461f36982da268caf0317885967 (patch)
tree83b0e8afa942216c1f3e286c363f0970fdfad0f7 /src/gallium/include
parent5bd093bd7b3711f88e1fd0fc9cdb37a18d7d24b9 (diff)
gallium: fixes for srgb, new srgb formats
add some more srgb texture formats, including compressed ones various fixes relating to srgb formats issues: the util code for generating mipmaps will not handle srgb formats correctly (would need to use a linear->srgb conversion shader)
Diffstat (limited to 'src/gallium/include')
-rw-r--r--src/gallium/include/pipe/p_format.h35
1 files changed, 27 insertions, 8 deletions
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index 97a4c8c510..6bd55d7735 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -1,6 +1,7 @@
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright (c) 2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -245,13 +246,14 @@ static INLINE uint pf_rev(pipe_format_ycbcr_t f)
/**
* Compresssed format layouts (this will probably change)
*/
-#define _PIPE_FORMAT_DXT( LEVEL, RSIZE, GSIZE, BSIZE, ASIZE ) \
+#define _PIPE_FORMAT_DXT( LEVEL, RSIZE, GSIZE, BSIZE, ASIZE, TYPE ) \
((PIPE_FORMAT_LAYOUT_DXT << 0) | \
((LEVEL) << 2) | \
((RSIZE) << 5) | \
((GSIZE) << 8) | \
((BSIZE) << 11) | \
- ((ASIZE) << 14) )
+ ((ASIZE) << 14) | \
+ ((TYPE) << 29))
@@ -360,20 +362,30 @@ enum pipe_format {
PIPE_FORMAT_R32G32B32A32_FIXED = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_FIXED ),
/* sRGB formats */
PIPE_FORMAT_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB ),
- PIPE_FORMAT_A8_L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_A8L8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
PIPE_FORMAT_R8G8B8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB ),
PIPE_FORMAT_R8G8B8A8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
PIPE_FORMAT_R8G8B8X8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_A8R8G8B8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_ARGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_X8R8G8B8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_1RGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_B8G8R8A8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGRA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_B8G8R8X8_SRGB = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGR1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB ),
/* mixed formats */
PIPE_FORMAT_X8UB8UG8SR8S_NORM = _PIPE_FORMAT_MIXED( _PIPE_FORMAT_1BGR, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1 ),
PIPE_FORMAT_B6UG5SR5S_NORM = _PIPE_FORMAT_MIXED( _PIPE_FORMAT_BGR1, 6, 5, 5, 0, 0, 1, 1, 0, 1, 0 ),
/* compressed formats */
- PIPE_FORMAT_DXT1_RGB = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0 ),
- PIPE_FORMAT_DXT1_RGBA = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8 ),
- PIPE_FORMAT_DXT3_RGBA = _PIPE_FORMAT_DXT( 3, 8, 8, 8, 8 ),
- PIPE_FORMAT_DXT5_RGBA = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8 )
+ PIPE_FORMAT_DXT1_RGB = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0, PIPE_FORMAT_TYPE_UNORM ),
+ PIPE_FORMAT_DXT1_RGBA = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8, PIPE_FORMAT_TYPE_UNORM ),
+ PIPE_FORMAT_DXT3_RGBA = _PIPE_FORMAT_DXT( 3, 8, 8, 8, 8, PIPE_FORMAT_TYPE_UNORM ),
+ PIPE_FORMAT_DXT5_RGBA = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8, PIPE_FORMAT_TYPE_UNORM ),
+
+ /* sRGB, compressed */
+ PIPE_FORMAT_DXT1_SRGB = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_DXT1_SRGBA = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_DXT3_SRGBA = _PIPE_FORMAT_DXT( 3, 8, 8, 8, 8, PIPE_FORMAT_TYPE_SRGB ),
+ PIPE_FORMAT_DXT5_SRGBA = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8, PIPE_FORMAT_TYPE_SRGB )
};
/**
@@ -477,12 +489,16 @@ pf_get_block(enum pipe_format format, struct pipe_format_block *block)
switch(format) {
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT1_RGB:
+ case PIPE_FORMAT_DXT1_SRGBA:
+ case PIPE_FORMAT_DXT1_SRGB:
block->size = 8;
block->width = 4;
block->height = 4;
break;
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
+ case PIPE_FORMAT_DXT3_SRGBA:
+ case PIPE_FORMAT_DXT5_SRGBA:
block->size = 16;
block->width = 4;
block->height = 4;
@@ -540,7 +556,7 @@ pf_has_alpha( enum pipe_format format )
/* FIXME: pf_get_component_bits( PIPE_FORMAT_A8L8_UNORM, PIPE_FORMAT_COMP_A ) should not return 0 right? */
if(format == PIPE_FORMAT_A8_UNORM ||
format == PIPE_FORMAT_A8L8_UNORM ||
- format == PIPE_FORMAT_A8_L8_SRGB)
+ format == PIPE_FORMAT_A8L8_SRGB)
return TRUE;
return pf_get_component_bits( format, PIPE_FORMAT_COMP_A ) ? TRUE : FALSE;
case PIPE_FORMAT_LAYOUT_YCBCR:
@@ -550,6 +566,9 @@ pf_has_alpha( enum pipe_format format )
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
+ case PIPE_FORMAT_DXT1_SRGBA:
+ case PIPE_FORMAT_DXT3_SRGBA:
+ case PIPE_FORMAT_DXT5_SRGBA:
return TRUE;
default:
return FALSE;