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/**************************************************************************
*
* 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
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef PIPE_FORMAT_H
#define PIPE_FORMAT_H
#include "p_compiler.h"
/* FIXME: remove these header dependencies */
#include "util/u_debug.h"
#include "util/u_string.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Texture/surface image formats (preliminary)
*/
/* KW: Added lots of surface formats to support vertex element layout
* definitions, and eventually render-to-vertex-buffer.
*/
enum pipe_format {
PIPE_FORMAT_NONE = 0,
PIPE_FORMAT_A8R8G8B8_UNORM = 1,
PIPE_FORMAT_X8R8G8B8_UNORM = 2,
PIPE_FORMAT_B8G8R8A8_UNORM = 3,
PIPE_FORMAT_B8G8R8X8_UNORM = 4,
PIPE_FORMAT_A1R5G5B5_UNORM = 5,
PIPE_FORMAT_A4R4G4B4_UNORM = 6,
PIPE_FORMAT_R5G6B5_UNORM = 7,
PIPE_FORMAT_A2B10G10R10_UNORM = 8,
PIPE_FORMAT_L8_UNORM = 9, /**< ubyte luminance */
PIPE_FORMAT_A8_UNORM = 10, /**< ubyte alpha */
PIPE_FORMAT_I8_UNORM = 11, /**< ubyte intensity */
PIPE_FORMAT_A8L8_UNORM = 12, /**< ubyte alpha, luminance */
PIPE_FORMAT_L16_UNORM = 13, /**< ushort luminance */
PIPE_FORMAT_YCBCR = 14,
PIPE_FORMAT_YCBCR_REV = 15,
PIPE_FORMAT_Z16_UNORM = 16,
PIPE_FORMAT_Z32_UNORM = 17,
PIPE_FORMAT_Z32_FLOAT = 18,
PIPE_FORMAT_S8Z24_UNORM = 19,
PIPE_FORMAT_Z24S8_UNORM = 20,
PIPE_FORMAT_X8Z24_UNORM = 21,
PIPE_FORMAT_Z24X8_UNORM = 22,
PIPE_FORMAT_S8_UNORM = 23, /**< ubyte stencil */
PIPE_FORMAT_R64_FLOAT = 24,
PIPE_FORMAT_R64G64_FLOAT = 25,
PIPE_FORMAT_R64G64B64_FLOAT = 26,
PIPE_FORMAT_R64G64B64A64_FLOAT = 27,
PIPE_FORMAT_R32_FLOAT = 28,
PIPE_FORMAT_R32G32_FLOAT = 29,
PIPE_FORMAT_R32G32B32_FLOAT = 30,
PIPE_FORMAT_R32G32B32A32_FLOAT = 31,
PIPE_FORMAT_R32_UNORM = 32,
PIPE_FORMAT_R32G32_UNORM = 33,
PIPE_FORMAT_R32G32B32_UNORM = 34,
PIPE_FORMAT_R32G32B32A32_UNORM = 35,
PIPE_FORMAT_R32_USCALED = 36,
PIPE_FORMAT_R32G32_USCALED = 37,
PIPE_FORMAT_R32G32B32_USCALED = 38,
PIPE_FORMAT_R32G32B32A32_USCALED = 39,
PIPE_FORMAT_R32_SNORM = 40,
PIPE_FORMAT_R32G32_SNORM = 41,
PIPE_FORMAT_R32G32B32_SNORM = 42,
PIPE_FORMAT_R32G32B32A32_SNORM = 43,
PIPE_FORMAT_R32_SSCALED = 44,
PIPE_FORMAT_R32G32_SSCALED = 45,
PIPE_FORMAT_R32G32B32_SSCALED = 46,
PIPE_FORMAT_R32G32B32A32_SSCALED = 47,
PIPE_FORMAT_R16_UNORM = 48,
PIPE_FORMAT_R16G16_UNORM = 49,
PIPE_FORMAT_R16G16B16_UNORM = 50,
PIPE_FORMAT_R16G16B16A16_UNORM = 51,
PIPE_FORMAT_R16_USCALED = 52,
PIPE_FORMAT_R16G16_USCALED = 53,
PIPE_FORMAT_R16G16B16_USCALED = 54,
PIPE_FORMAT_R16G16B16A16_USCALED = 55,
PIPE_FORMAT_R16_SNORM = 56,
PIPE_FORMAT_R16G16_SNORM = 57,
PIPE_FORMAT_R16G16B16_SNORM = 58,
PIPE_FORMAT_R16G16B16A16_SNORM = 59,
PIPE_FORMAT_R16_SSCALED = 60,
PIPE_FORMAT_R16G16_SSCALED = 61,
PIPE_FORMAT_R16G16B16_SSCALED = 62,
PIPE_FORMAT_R16G16B16A16_SSCALED = 63,
PIPE_FORMAT_R8_UNORM = 64,
PIPE_FORMAT_R8G8_UNORM = 65,
PIPE_FORMAT_R8G8B8_UNORM = 66,
PIPE_FORMAT_R8G8B8A8_UNORM = 67,
PIPE_FORMAT_R8G8B8X8_UNORM = 68,
PIPE_FORMAT_R8_USCALED = 69,
PIPE_FORMAT_R8G8_USCALED = 70,
PIPE_FORMAT_R8G8B8_USCALED = 71,
PIPE_FORMAT_R8G8B8A8_USCALED = 72,
PIPE_FORMAT_R8G8B8X8_USCALED = 73,
PIPE_FORMAT_R8_SNORM = 74,
PIPE_FORMAT_R8G8_SNORM = 75,
PIPE_FORMAT_R8G8B8_SNORM = 76,
PIPE_FORMAT_R8G8B8A8_SNORM = 77,
PIPE_FORMAT_R8G8B8X8_SNORM = 78,
PIPE_FORMAT_B6G5R5_SNORM = 79,
PIPE_FORMAT_A8B8G8R8_SNORM = 80,
PIPE_FORMAT_X8B8G8R8_SNORM = 81,
PIPE_FORMAT_R8_SSCALED = 82,
PIPE_FORMAT_R8G8_SSCALED = 83,
PIPE_FORMAT_R8G8B8_SSCALED = 84,
PIPE_FORMAT_R8G8B8A8_SSCALED = 85,
PIPE_FORMAT_R8G8B8X8_SSCALED = 86,
PIPE_FORMAT_R32_FIXED = 87,
PIPE_FORMAT_R32G32_FIXED = 88,
PIPE_FORMAT_R32G32B32_FIXED = 89,
PIPE_FORMAT_R32G32B32A32_FIXED = 90,
/* sRGB formats */
PIPE_FORMAT_L8_SRGB = 91,
PIPE_FORMAT_A8L8_SRGB = 92,
PIPE_FORMAT_R8G8B8_SRGB = 93,
PIPE_FORMAT_R8G8B8A8_SRGB = 94,
PIPE_FORMAT_R8G8B8X8_SRGB = 95,
PIPE_FORMAT_A8R8G8B8_SRGB = 96,
PIPE_FORMAT_X8R8G8B8_SRGB = 97,
PIPE_FORMAT_B8G8R8A8_SRGB = 98,
PIPE_FORMAT_B8G8R8X8_SRGB = 99,
/* mixed formats */
PIPE_FORMAT_X8UB8UG8SR8S_NORM = 100,
PIPE_FORMAT_B6UG5SR5S_NORM = 101,
/* compressed formats */
PIPE_FORMAT_DXT1_RGB = 102,
PIPE_FORMAT_DXT1_RGBA = 103,
PIPE_FORMAT_DXT3_RGBA = 104,
PIPE_FORMAT_DXT5_RGBA = 105,
/* sRGB, compressed */
PIPE_FORMAT_DXT1_SRGB = 106,
PIPE_FORMAT_DXT1_SRGBA = 107,
PIPE_FORMAT_DXT3_SRGBA = 108,
PIPE_FORMAT_DXT5_SRGBA = 109,
PIPE_FORMAT_COUNT
};
/**
* Builds pipe format name from format token.
*/
extern const char *pf_name( enum pipe_format format );
/**
* Return bits for a particular component.
* \param comp component index, starting at 0
*/
static INLINE uint pf_get_component_bits( enum pipe_format format, uint comp )
{
uint size;
if (pf_swizzle_x(format) == comp) {
size = pf_size_x(format);
}
else if (pf_swizzle_y(format) == comp) {
size = pf_size_y(format);
}
else if (pf_swizzle_z(format) == comp) {
size = pf_size_z(format);
}
else if (pf_swizzle_w(format) == comp) {
size = pf_size_w(format);
}
else {
size = 0;
}
if (pf_layout( format ) == PIPE_FORMAT_LAYOUT_RGBAZS)
return size << pf_exp2( format );
return size << (pf_mixed_scale8( format ) * 3);
}
/**
* Return total bits needed for the pixel format per block.
*/
static INLINE uint pf_get_blocksizebits( enum pipe_format format )
{
switch (pf_layout(format)) {
case PIPE_FORMAT_LAYOUT_RGBAZS:
case PIPE_FORMAT_LAYOUT_MIXED:
return
pf_get_component_bits( format, PIPE_FORMAT_COMP_0 ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_1 ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_R ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_G ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_B ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_A ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_S );
case PIPE_FORMAT_LAYOUT_YCBCR:
assert( format == PIPE_FORMAT_YCBCR || format == PIPE_FORMAT_YCBCR_REV );
return 32;
case PIPE_FORMAT_LAYOUT_DXT:
switch(format) {
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_SRGBA:
case PIPE_FORMAT_DXT1_SRGB:
return 64;
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
case PIPE_FORMAT_DXT3_SRGBA:
case PIPE_FORMAT_DXT5_SRGBA:
return 128;
default:
assert( 0 );
return 0;
}
default:
assert( 0 );
return 0;
}
}
/**
* Return bytes per element for the given format.
*/
static INLINE uint pf_get_blocksize( enum pipe_format format )
{
assert(pf_get_blocksizebits(format) % 8 == 0);
return pf_get_blocksizebits(format) / 8;
}
static INLINE uint pf_get_blockwidth( enum pipe_format format )
{
switch (pf_layout(format)) {
case PIPE_FORMAT_LAYOUT_YCBCR:
return 2;
case PIPE_FORMAT_LAYOUT_DXT:
return 4;
default:
return 1;
}
}
static INLINE uint pf_get_blockheight( enum pipe_format format )
{
switch (pf_layout(format)) {
case PIPE_FORMAT_LAYOUT_DXT:
return 4;
default:
return 1;
}
}
static INLINE unsigned
pf_get_nblocksx(enum pipe_format format, unsigned x)
{
unsigned blockwidth = pf_get_blockwidth(format);
return (x + blockwidth - 1) / blockwidth;
}
static INLINE unsigned
pf_get_nblocksy(enum pipe_format format, unsigned y)
{
unsigned blockheight = pf_get_blockheight(format);
return (y + blockheight - 1) / blockheight;
}
static INLINE unsigned
pf_get_nblocks(enum pipe_format format, unsigned width, unsigned height)
{
return pf_get_nblocksx(format, width) * pf_get_nblocksy(format, height);
}
static INLINE size_t
pf_get_stride(enum pipe_format format, unsigned width)
{
return pf_get_nblocksx(format, width) * pf_get_blocksize(format);
}
static INLINE size_t
pf_get_2d_size(enum pipe_format format, size_t stride, unsigned height)
{
return pf_get_nblocksy(format, height) * stride;
}
enum pipe_video_chroma_format
{
PIPE_VIDEO_CHROMA_FORMAT_420,
PIPE_VIDEO_CHROMA_FORMAT_422,
PIPE_VIDEO_CHROMA_FORMAT_444
};
#if 0
enum pipe_video_surface_format
{
PIPE_VIDEO_SURFACE_FORMAT_NV12, /**< Planar; Y plane, UV plane */
PIPE_VIDEO_SURFACE_FORMAT_YV12, /**< Planar; Y plane, U plane, V plane */
PIPE_VIDEO_SURFACE_FORMAT_YUYV, /**< Interleaved; Y,U,Y,V,Y,U,Y,V */
PIPE_VIDEO_SURFACE_FORMAT_UYVY, /**< Interleaved; U,Y,V,Y,U,Y,V,Y */
PIPE_VIDEO_SURFACE_FORMAT_VUYA /**< Packed; A31-24|Y23-16|U15-8|V7-0 */
};
#endif
#ifdef __cplusplus
}
#endif
#endif
|
