/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* Copyright (c) 2008-2010 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.
*
**************************************************************************/
/**
* Mesa / Gallium format conversion and format selection code.
* \author Brian Paul
*/
#include "main/imports.h"
#include "main/context.h"
#include "main/glformats.h"
#include "main/texstore.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/mfeatures.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "st_context.h"
#include "st_format.h"
/**
* Translate Mesa format to Gallium format.
*/
enum pipe_format
st_mesa_format_to_pipe_format(gl_format mesaFormat)
{
switch (mesaFormat) {
case MESA_FORMAT_RGBA8888:
return PIPE_FORMAT_A8B8G8R8_UNORM;
case MESA_FORMAT_RGBA8888_REV:
return PIPE_FORMAT_R8G8B8A8_UNORM;
case MESA_FORMAT_ARGB8888:
return PIPE_FORMAT_B8G8R8A8_UNORM;
case MESA_FORMAT_ARGB8888_REV:
return PIPE_FORMAT_A8R8G8B8_UNORM;
case MESA_FORMAT_RGBX8888:
return PIPE_FORMAT_X8B8G8R8_UNORM;
case MESA_FORMAT_RGBX8888_REV:
return PIPE_FORMAT_R8G8B8X8_UNORM;
case MESA_FORMAT_XRGB8888:
return PIPE_FORMAT_B8G8R8X8_UNORM;
case MESA_FORMAT_XRGB8888_REV:
return PIPE_FORMAT_X8R8G8B8_UNORM;
case MESA_FORMAT_ARGB1555:
return PIPE_FORMAT_B5G5R5A1_UNORM;
case MESA_FORMAT_ARGB4444:
return PIPE_FORMAT_B4G4R4A4_UNORM;
case MESA_FORMAT_RGB565:
return PIPE_FORMAT_B5G6R5_UNORM;
case MESA_FORMAT_RGB332:
return PIPE_FORMAT_B2G3R3_UNORM;
case MESA_FORMAT_ARGB2101010:
return PIPE_FORMAT_B10G10R10A2_UNORM;
case MESA_FORMAT_AL44:
return PIPE_FORMAT_L4A4_UNORM;
case MESA_FORMAT_AL88:
return PIPE_FORMAT_L8A8_UNORM;
case MESA_FORMAT_AL1616:
return PIPE_FORMAT_L16A16_UNORM;
case MESA_FORMAT_A8:
return PIPE_FORMAT_A8_UNORM;
case MESA_FORMAT_A16:
return PIPE_FORMAT_A16_UNORM;
case MESA_FORMAT_L8:
return PIPE_FORMAT_L8_UNORM;
case MESA_FORMAT_L16:
return PIPE_FORMAT_L16_UNORM;
case MESA_FORMAT_I8:
return PIPE_FORMAT_I8_UNORM;
case MESA_FORMAT_I16:
return PIPE_FORMAT_I16_UNORM;
case MESA_FORMAT_Z16:
return PIPE_FORMAT_Z16_UNORM;
case MESA_FORMAT_Z32:
return PIPE_FORMAT_Z32_UNORM;
case MESA_FORMAT_Z24_S8:
return PIPE_FORMAT_S8_UINT_Z24_UNORM;
case MESA_FORMAT_S8_Z24:
return PIPE_FORMAT_Z24_UNORM_S8_UINT;
case MESA_FORMAT_Z24_X8:
return PIPE_FORMAT_X8Z24_UNORM;
case MESA_FORMAT_X8_Z24:
return PIPE_FORMAT_Z24X8_UNORM;
case MESA_FORMAT_S8:
return PIPE_FORMAT_S8_UINT;
case MESA_FORMAT_Z32_FLOAT:
return PIPE_FORMAT_Z32_FLOAT;
case MESA_FORMAT_Z32_FLOAT_X24S8:
return PIPE_FORMAT_Z32_FLOAT_S8X24_UINT;
case MESA_FORMAT_YCBCR:
return PIPE_FORMAT_UYVY;
#if FEATURE_texture_s3tc
case MESA_FORMAT_RGB_DXT1:
return PIPE_FORMAT_DXT1_RGB;
case MESA_FORMAT_RGBA_DXT1:
return PIPE_FORMAT_DXT1_RGBA;
case MESA_FORMAT_RGBA_DXT3:
return PIPE_FORMAT_DXT3_RGBA;
case MESA_FORMAT_RGBA_DXT5:
return PIPE_FORMAT_DXT5_RGBA;
#if FEATURE_EXT_texture_sRGB
case MESA_FORMAT_SRGB_DXT1:
return PIPE_FORMAT_DXT1_SRGB;
case MESA_FORMAT_SRGBA_DXT1:
return PIPE_FORMAT_DXT1_SRGBA;
case MESA_FORMAT_SRGBA_DXT3:
return PIPE_FORMAT_DXT3_SRGBA;
case MESA_FORMAT_SRGBA_DXT5:
return PIPE_FORMAT_DXT5_SRGBA;
#endif
#endif
#if FEATURE_EXT_texture_sRGB
case MESA_FORMAT_SLA8:
return PIPE_FORMAT_L8A8_SRGB;
case MESA_FORMAT_SL8:
return PIPE_FORMAT_L8_SRGB;
case MESA_FORMAT_SRGB8:
return PIPE_FORMAT_R8G8B8_SRGB;
case MESA_FORMAT_SRGBA8:
return PIPE_FORMAT_A8B8G8R8_SRGB;
case MESA_FORMAT_SARGB8:
return PIPE_FORMAT_B8G8R8A8_SRGB;
#endif
case MESA_FORMAT_RGBA_FLOAT32:
return PIPE_FORMAT_R32G32B32A32_FLOAT;
case MESA_FORMAT_RGBA_FLOAT16:
return PIPE_FORMAT_R16G16B16A16_FLOAT;
case MESA_FORMAT_RGB_FLOAT32:
return PIPE_FORMAT_R32G32B32_FLOAT;
case MESA_FORMAT_RGB_FLOAT16:
return PIPE_FORMAT_R16G16B16_FLOAT;
case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
return PIPE_FORMAT_L32A32_FLOAT;
case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
return PIPE_FORMAT_L16A16_FLOAT;
case MESA_FORMAT_LUMINANCE_FLOAT32:
return PIPE_FORMAT_L32_FLOAT;
case MESA_FORMAT_LUMINANCE_FLOAT16:
return PIPE_FORMAT_L16_FLOAT;
case MESA_FORMAT_ALPHA_FLOAT32:
return PIPE_FORMAT_A32_FLOAT;
case MESA_FORMAT_ALPHA_FLOAT16:
return PIPE_FORMAT_A16_FLOAT;
case MESA_FORMAT_INTENSITY_FLOAT32:
return PIPE_FORMAT_I32_FLOAT;
case MESA_FORMAT_INTENSITY_FLOAT16:
return PIPE_FORMAT_I16_FLOAT;
case MESA_FORMAT_R_FLOAT32:
return PIPE_FORMAT_R32_FLOAT;
case MESA_FORMAT_R_FLOAT16:
return PIPE_FORMAT_R16_FLOAT;
case MESA_FORMAT_RG_FLOAT32:
return PIPE_FORMAT_R32G32_FLOAT;
case MESA_FORMAT_RG_FLOAT16:
return PIPE_FORMAT_R16G16_FLOAT;
case MESA_FORMAT_R8:
return PIPE_FORMAT_R8_UNORM;
case MESA_FORMAT_R16:
return PIPE_FORMAT_R16_UNORM;
case MESA_FORMAT_GR88:
return PIPE_FORMAT_R8G8_UNORM;
case MESA_FORMAT_RG1616:
return PIPE_FORMAT_R16G16_UNORM;
case MESA_FORMAT_RGBA_16:
return PIPE_FORMAT_R16G16B16A16_UNORM;
/* signed int formats */
case MESA_FORMAT_ALPHA_UINT8:
return PIPE_FORMAT_A8_UINT;
case MESA_FORMAT_ALPHA_UINT16:
return PIPE_FORMAT_A16_UINT;
case MESA_FORMAT_ALPHA_UINT32:
return PIPE_FORMAT_A32_UINT;
case MESA_FORMAT_ALPHA_INT8:
return PIPE_FORMAT_A8_SINT;
case MESA_FORMAT_ALPHA_INT16:
return PIPE_FORMAT_A16_SINT;
case MESA_FORMAT_ALPHA_INT32:
return PIPE_FORMAT_A32_SINT;
case MESA_FORMAT_INTENSITY_UINT8:
return PIPE_FORMAT_I8_UINT;
case MESA_FORMAT_INTENSITY_UINT16:
return PIPE_FORMAT_I16_UINT;
case MESA_FORMAT_INTENSITY_UINT32:
return PIPE_FORMAT_I32_UINT;
case MESA_FORMAT_INTENSITY_INT8:
return PIPE_FORMAT_I8_SINT;
case MESA_FORMAT_INTENSITY_INT16:
return PIPE_FORMAT_I16_SINT;
case MESA_FORMAT_INTENSITY_INT32:
return PIPE_FORMAT_I32_SINT;
case MESA_FORMAT_LUMINANCE_UINT8:
return PIPE_FORMAT_L8_UINT;
case MESA_FORMAT_LUMINANCE_UINT16:
return PIPE_FORMAT_L16_UINT;
case MESA_FORMAT_LUMINANCE_UINT32:
return PIPE_FORMAT_L32_UINT;
case MESA_FORMAT_LUMINANCE_INT8:
return PIPE_FORMAT_L8_SINT;
case MESA_FORMAT_LUMINANCE_INT16:
return PIPE_FORMAT_L16_SINT;
case MESA_FORMAT_LUMINANCE_INT32:
return PIPE_FORMAT_L32_SINT;
case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
return PIPE_FORMAT_L8A8_UINT;
case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
return PIPE_FORMAT_L16A16_UINT;
case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
return PIPE_FORMAT_L32A32_UINT;
case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
return PIPE_FORMAT_L8A8_SINT;
case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
return PIPE_FORMAT_L16A16_SINT;
case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
return PIPE_FORMAT_L32A32_SINT;
case MESA_FORMAT_R_INT8:
return PIPE_FORMAT_R8_SINT;
case MESA_FORMAT_RG_INT8:
return PIPE_FORMAT_R8G8_SINT;
case MESA_FORMAT_RGB_INT8:
return PIPE_FORMAT_R8G8B8_SINT;
case MESA_FORMAT_RGBA_INT8:
return PIPE_FORMAT_R8G8B8A8_SINT;
case MESA_FORMAT_R_INT16:
return PIPE_FORMAT_R16_SINT;
case MESA_FORMAT_RG_INT16:
return PIPE_FORMAT_R16G16_SINT;
case MESA_FORMAT_RGB_INT16:
return PIPE_FORMAT_R16G16B16_SINT;
case MESA_FORMAT_RGBA_INT16:
return PIPE_FORMAT_R16G16B16A16_SINT;
case MESA_FORMAT_R_INT32:
return PIPE_FORMAT_R32_SINT;
case MESA_FORMAT_RG_INT32:
return PIPE_FORMAT_R32G32_SINT;
case MESA_FORMAT_RGB_INT32:
return PIPE_FORMAT_R32G32B32_SINT;
case MESA_FORMAT_RGBA_INT32:
return PIPE_FORMAT_R32G32B32A32_SINT;
/* unsigned int formats */
case MESA_FORMAT_R_UINT8:
return PIPE_FORMAT_R8_UINT;
case MESA_FORMAT_RG_UINT8:
return PIPE_FORMAT_R8G8_UINT;
case MESA_FORMAT_RGB_UINT8:
return PIPE_FORMAT_R8G8B8_UINT;
case MESA_FORMAT_RGBA_UINT8:
return PIPE_FORMAT_R8G8B8A8_UINT;
case MESA_FORMAT_R_UINT16:
return PIPE_FORMAT_R16_UINT;
case MESA_FORMAT_RG_UINT16:
return PIPE_FORMAT_R16G16_UINT;
case MESA_FORMAT_RGB_UINT16:
return PIPE_FORMAT_R16G16B16_UINT;
case MESA_FORMAT_RGBA_UINT16:
return PIPE_FORMAT_R16G16B16A16_UINT;
case MESA_FORMAT_R_UINT32:
return PIPE_FORMAT_R32_UINT;
case MESA_FORMAT_RG_UINT32:
return PIPE_FORMAT_R32G32_UINT;
case MESA_FORMAT_RGB_UINT32:
return PIPE_FORMAT_R32G32B32_UINT;
case MESA_FORMAT_RGBA_UINT32:
return PIPE_FORMAT_R32G32B32A32_UINT;
case MESA_FORMAT_RED_RGTC1:
return PIPE_FORMAT_RGTC1_UNORM;
case MESA_FORMAT_SIGNED_RED_RGTC1:
return PIPE_FORMAT_RGTC1_SNORM;
case MESA_FORMAT_RG_RGTC2:
return PIPE_FORMAT_RGTC2_UNORM;
case MESA_FORMAT_SIGNED_RG_RGTC2:
return PIPE_FORMAT_RGTC2_SNORM;
case MESA_FORMAT_L_LATC1:
return PIPE_FORMAT_LATC1_UNORM;
case MESA_FORMAT_SIGNED_L_LATC1:
return PIPE_FORMAT_LATC1_SNORM;
case MESA_FORMAT_LA_LATC2:
return PIPE_FORMAT_LATC2_UNORM;
case MESA_FORMAT_SIGNED_LA_LATC2:
return PIPE_FORMAT_LATC2_SNORM;
case MESA_FORMAT_ETC1_RGB8:
return PIPE_FORMAT_ETC1_RGB8;
/* signed normalized formats */
case MESA_FORMAT_SIGNED_R8:
return PIPE_FORMAT_R8_SNORM;
case MESA_FORMAT_SIGNED_RG88_REV:
return PIPE_FORMAT_R8G8_SNORM;
case MESA_FORMAT_SIGNED_RGBA8888_REV:
return PIPE_FORMAT_R8G8B8A8_SNORM;
case MESA_FORMAT_SIGNED_A8:
return PIPE_FORMAT_A8_SNORM;
case MESA_FORMAT_SIGNED_L8:
return PIPE_FORMAT_L8_SNORM;
case MESA_FORMAT_SIGNED_AL88:
return PIPE_FORMAT_L8A8_SNORM;
case MESA_FORMAT_SIGNED_I8:
return PIPE_FORMAT_I8_SNORM;
case MESA_FORMAT_SIGNED_R16:
return PIPE_FORMAT_R16_SNORM;
case MESA_FORMAT_SIGNED_GR1616:
return PIPE_FORMAT_R16G16_SNORM;
case MESA_FORMAT_SIGNED_RGBA_16:
return PIPE_FORMAT_R16G16B16A16_SNORM;
case MESA_FORMAT_SIGNED_A16:
return PIPE_FORMAT_A16_SNORM;
case MESA_FORMAT_SIGNED_L16:
return PIPE_FORMAT_L16_SNORM;
case MESA_FORMAT_SIGNED_AL1616:
return PIPE_FORMAT_L16A16_SNORM;
case MESA_FORMAT_SIGNED_I16:
return PIPE_FORMAT_I16_SNORM;
case MESA_FORMAT_RGB9_E5_FLOAT:
return PIPE_FORMAT_R9G9B9E5_FLOAT;
case MESA_FORMAT_R11_G11_B10_FLOAT:
return PIPE_FORMAT_R11G11B10_FLOAT;
case MESA_FORMAT_ARGB2101010_UINT:
return PIPE_FORMAT_B10G10R10A2_UINT;
default:
assert(0);
return PIPE_FORMAT_NONE;
}
}
/**
* Translate Gallium format to Mesa format.
*/
gl_format
st_pipe_format_to_mesa_format(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_A8B8G8R8_UNORM:
return MESA_FORMAT_RGBA8888;
case PIPE_FORMAT_R8G8B8A8_UNORM:
return MESA_FORMAT_RGBA8888_REV;
case PIPE_FORMAT_B8G8R8A8_UNORM:
return MESA_FORMAT_ARGB8888;
case PIPE_FORMAT_A8R8G8B8_UNORM:
return MESA_FORMAT_ARGB8888_REV;
case PIPE_FORMAT_X8B8G8R8_UNORM:
return MESA_FORMAT_RGBX8888;
case PIPE_FORMAT_R8G8B8X8_UNORM:
return MESA_FORMAT_RGBX8888_REV;
case PIPE_FORMAT_B8G8R8X8_UNORM:
return MESA_FORMAT_XRGB8888;
case PIPE_FORMAT_X8R8G8B8_UNORM:
return MESA_FORMAT_XRGB8888_REV;
case PIPE_FORMAT_B5G5R5A1_UNORM:
return MESA_FORMAT_ARGB1555;
case PIPE_FORMAT_B4G4R4A4_UNORM:
return MESA_FORMAT_ARGB4444;
case PIPE_FORMAT_B5G6R5_UNORM:
return MESA_FORMAT_RGB565;
case PIPE_FORMAT_B2G3R3_UNORM:
return MESA_FORMAT_RGB332;
case PIPE_FORMAT_B10G10R10A2_UNORM:
return MESA_FORMAT_ARGB2101010;
case PIPE_FORMAT_L4A4_UNORM:
return MESA_FORMAT_AL44;
case PIPE_FORMAT_L8A8_UNORM:
return MESA_FORMAT_AL88;
case PIPE_FORMAT_L16A16_UNORM:
return MESA_FORMAT_AL1616;
case PIPE_FORMAT_A8_UNORM:
return MESA_FORMAT_A8;
case PIPE_FORMAT_A16_UNORM:
return MESA_FORMAT_A16;
case PIPE_FORMAT_L8_UNORM:
return MESA_FORMAT_L8;
case PIPE_FORMAT_L16_UNORM:
return MESA_FORMAT_L16;
case PIPE_FORMAT_I8_UNORM:
return MESA_FORMAT_I8;
case PIPE_FORMAT_I16_UNORM:
return MESA_FORMAT_I16;
case PIPE_FORMAT_S8_UINT:
return MESA_FORMAT_S8;
case PIPE_FORMAT_R16G16B16A16_UNORM:
return MESA_FORMAT_RGBA_16;
case PIPE_FORMAT_Z16_UNORM:
return MESA_FORMAT_Z16;
case PIPE_FORMAT_Z32_UNORM:
return MESA_FORMAT_Z32;
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
return MESA_FORMAT_Z24_S8;
case PIPE_FORMAT_X8Z24_UNORM:
return MESA_FORMAT_Z24_X8;
case PIPE_FORMAT_Z24X8_UNORM:
return MESA_FORMAT_X8_Z24;
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
return MESA_FORMAT_S8_Z24;
case PIPE_FORMAT_Z32_FLOAT:
return MESA_FORMAT_Z32_FLOAT;
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
return MESA_FORMAT_Z32_FLOAT_X24S8;
case PIPE_FORMAT_UYVY:
return MESA_FORMAT_YCBCR;
case PIPE_FORMAT_YUYV:
return MESA_FORMAT_YCBCR_REV;
#if FEATURE_texture_s3tc
case PIPE_FORMAT_DXT1_RGB:
return MESA_FORMAT_RGB_DXT1;
case PIPE_FORMAT_DXT1_RGBA:
return MESA_FORMAT_RGBA_DXT1;
case PIPE_FORMAT_DXT3_RGBA:
return MESA_FORMAT_RGBA_DXT3;
case PIPE_FORMAT_DXT5_RGBA:
return MESA_FORMAT_RGBA_DXT5;
#if FEATURE_EXT_texture_sRGB
case PIPE_FORMAT_DXT1_SRGB:
return MESA_FORMAT_SRGB_DXT1;
case PIPE_FORMAT_DXT1_SRGBA:
return MESA_FORMAT_SRGBA_DXT1;
case PIPE_FORMAT_DXT3_SRGBA:
return MESA_FORMAT_SRGBA_DXT3;
case PIPE_FORMAT_DXT5_SRGBA:
return MESA_FORMAT_SRGBA_DXT5;
#endif
#endif
#if FEATURE_EXT_texture_sRGB
case PIPE_FORMAT_L8A8_SRGB:
return MESA_FORMAT_SLA8;
case PIPE_FORMAT_L8_SRGB:
return MESA_FORMAT_SL8;
case PIPE_FORMAT_R8G8B8_SRGB:
return MESA_FORMAT_SRGB8;
case PIPE_FORMAT_A8B8G8R8_SRGB:
return MESA_FORMAT_SRGBA8;
case PIPE_FORMAT_B8G8R8A8_SRGB:
return MESA_FORMAT_SARGB8;
#endif
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return MESA_FORMAT_RGBA_FLOAT32;
case PIPE_FORMAT_R16G16B16A16_FLOAT:
return MESA_FORMAT_RGBA_FLOAT16;
case PIPE_FORMAT_R32G32B32_FLOAT:
return MESA_FORMAT_RGB_FLOAT32;
case PIPE_FORMAT_R16G16B16_FLOAT:
return MESA_FORMAT_RGB_FLOAT16;
case PIPE_FORMAT_L32A32_FLOAT:
return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
case PIPE_FORMAT_L16A16_FLOAT:
return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
case PIPE_FORMAT_L32_FLOAT:
return MESA_FORMAT_LUMINANCE_FLOAT32;
case PIPE_FORMAT_L16_FLOAT:
return MESA_FORMAT_LUMINANCE_FLOAT16;
case PIPE_FORMAT_A32_FLOAT:
return MESA_FORMAT_ALPHA_FLOAT32;
case PIPE_FORMAT_A16_FLOAT:
return MESA_FORMAT_ALPHA_FLOAT16;
case PIPE_FORMAT_I32_FLOAT:
return MESA_FORMAT_INTENSITY_FLOAT32;
case PIPE_FORMAT_I16_FLOAT:
return MESA_FORMAT_INTENSITY_FLOAT16;
case PIPE_FORMAT_R32_FLOAT:
return MESA_FORMAT_R_FLOAT32;
case PIPE_FORMAT_R16_FLOAT:
return MESA_FORMAT_R_FLOAT16;
case PIPE_FORMAT_R32G32_FLOAT:
return MESA_FORMAT_RG_FLOAT32;
case PIPE_FORMAT_R16G16_FLOAT:
return MESA_FORMAT_RG_FLOAT16;
case PIPE_FORMAT_R8_UNORM:
return MESA_FORMAT_R8;
case PIPE_FORMAT_R16_UNORM:
return MESA_FORMAT_R16;
case PIPE_FORMAT_R8G8_UNORM:
return MESA_FORMAT_GR88;
case PIPE_FORMAT_R16G16_UNORM:
return MESA_FORMAT_RG1616;
case PIPE_FORMAT_A8_UINT:
return MESA_FORMAT_ALPHA_UINT8;
case PIPE_FORMAT_A16_UINT:
return MESA_FORMAT_ALPHA_UINT16;
case PIPE_FORMAT_A32_UINT:
return MESA_FORMAT_ALPHA_UINT32;
case PIPE_FORMAT_A8_SINT:
return MESA_FORMAT_ALPHA_INT8;
case PIPE_FORMAT_A16_SINT:
return MESA_FORMAT_ALPHA_INT16;
case PIPE_FORMAT_A32_SINT:
return MESA_FORMAT_ALPHA_INT32;
case PIPE_FORMAT_I8_UINT:
return MESA_FORMAT_INTENSITY_UINT8;
case PIPE_FORMAT_I16_UINT:
return MESA_FORMAT_INTENSITY_UINT16;
case PIPE_FORMAT_I32_UINT:
return MESA_FORMAT_INTENSITY_UINT32;
case PIPE_FORMAT_I8_SINT:
return MESA_FORMAT_INTENSITY_INT8;
case PIPE_FORMAT_I16_SINT:
return MESA_FORMAT_INTENSITY_INT16;
case PIPE_FORMAT_I32_SINT:
return MESA_FORMAT_INTENSITY_INT32;
case PIPE_FORMAT_L8_UINT:
return MESA_FORMAT_LUMINANCE_UINT8;
case PIPE_FORMAT_L16_UINT:
return MESA_FORMAT_LUMINANCE_UINT16;
case PIPE_FORMAT_L32_UINT:
return MESA_FORMAT_LUMINANCE_UINT32;
case PIPE_FORMAT_L8_SINT:
return MESA_FORMAT_LUMINANCE_INT8;
case PIPE_FORMAT_L16_SINT:
return MESA_FORMAT_LUMINANCE_INT16;
case PIPE_FORMAT_L32_SINT:
return MESA_FORMAT_LUMINANCE_INT32;
case PIPE_FORMAT_L8A8_UINT:
return MESA_FORMAT_LUMINANCE_ALPHA_UINT8;
case PIPE_FORMAT_L16A16_UINT:
return MESA_FORMAT_LUMINANCE_ALPHA_UINT16;
case PIPE_FORMAT_L32A32_UINT:
return MESA_FORMAT_LUMINANCE_ALPHA_UINT32;
case PIPE_FORMAT_L8A8_SINT:
return MESA_FORMAT_LUMINANCE_ALPHA_INT8;
case PIPE_FORMAT_L16A16_SINT:
return MESA_FORMAT_LUMINANCE_ALPHA_INT16;
case PIPE_FORMAT_L32A32_SINT:
return MESA_FORMAT_LUMINANCE_ALPHA_INT32;
case PIPE_FORMAT_R8_SINT:
return MESA_FORMAT_R_INT8;
case PIPE_FORMAT_R8G8_SINT:
return MESA_FORMAT_RG_INT8;
case PIPE_FORMAT_R8G8B8_SINT:
return MESA_FORMAT_RGB_INT8;
case PIPE_FORMAT_R8G8B8A8_SINT:
return MESA_FORMAT_RGBA_INT8;
case PIPE_FORMAT_R16_SINT:
return MESA_FORMAT_R_INT16;
case PIPE_FORMAT_R16G16_SINT:
return MESA_FORMAT_RG_INT16;
case PIPE_FORMAT_R16G16B16_SINT:
return MESA_FORMAT_RGB_INT16;
case PIPE_FORMAT_R16G16B16A16_SINT:
return MESA_FORMAT_RGBA_INT16;
case PIPE_FORMAT_R32_SINT:
return MESA_FORMAT_R_INT32;
case PIPE_FORMAT_R32G32_SINT:
return MESA_FORMAT_RG_INT32;
case PIPE_FORMAT_R32G32B32_SINT:
return MESA_FORMAT_RGB_INT32;
case PIPE_FORMAT_R32G32B32A32_SINT:
return MESA_FORMAT_RGBA_INT32;
/* unsigned int formats */
case PIPE_FORMAT_R8_UINT:
return MESA_FORMAT_R_UINT8;
case PIPE_FORMAT_R8G8_UINT:
return MESA_FORMAT_RG_UINT8;
case PIPE_FORMAT_R8G8B8_UINT:
return MESA_FORMAT_RGB_UINT8;
case PIPE_FORMAT_R8G8B8A8_UINT:
return MESA_FORMAT_RGBA_UINT8;
case PIPE_FORMAT_R16_UINT:
return MESA_FORMAT_R_UINT16;
case PIPE_FORMAT_R16G16_UINT:
return MESA_FORMAT_RG_UINT16;
case PIPE_FORMAT_R16G16B16_UINT:
return MESA_FORMAT_RGB_UINT16;
case PIPE_FORMAT_R16G16B16A16_UINT:
return MESA_FORMAT_RGBA_UINT16;
case PIPE_FORMAT_R32_UINT:
return MESA_FORMAT_R_UINT32;
case PIPE_FORMAT_R32G32_UINT:
return MESA_FORMAT_RG_UINT32;
case PIPE_FORMAT_R32G32B32_UINT:
return MESA_FORMAT_RGB_UINT32;
case PIPE_FORMAT_R32G32B32A32_UINT:
return MESA_FORMAT_RGBA_UINT32;
case PIPE_FORMAT_RGTC1_UNORM:
return MESA_FORMAT_RED_RGTC1;
case PIPE_FORMAT_RGTC1_SNORM:
return MESA_FORMAT_SIGNED_RED_RGTC1;
case PIPE_FORMAT_RGTC2_UNORM:
return MESA_FORMAT_RG_RGTC2;
case PIPE_FORMAT_RGTC2_SNORM:
return MESA_FORMAT_SIGNED_RG_RGTC2;
case PIPE_FORMAT_LATC1_UNORM:
return MESA_FORMAT_L_LATC1;
case PIPE_FORMAT_LATC1_SNORM:
return MESA_FORMAT_SIGNED_L_LATC1;
case PIPE_FORMAT_LATC2_UNORM:
return MESA_FORMAT_LA_LATC2;
case PIPE_FORMAT_LATC2_SNORM:
return MESA_FORMAT_SIGNED_LA_LATC2;
case PIPE_FORMAT_ETC1_RGB8:
return MESA_FORMAT_ETC1_RGB8;
/* signed normalized formats */
case PIPE_FORMAT_R8_SNORM:
return MESA_FORMAT_SIGNED_R8;
case PIPE_FORMAT_R8G8_SNORM:
return MESA_FORMAT_SIGNED_RG88_REV;
case PIPE_FORMAT_R8G8B8A8_SNORM:
return MESA_FORMAT_SIGNED_RGBA8888_REV;
case PIPE_FORMAT_A8_SNORM:
return MESA_FORMAT_SIGNED_A8;
case PIPE_FORMAT_L8_SNORM:
return MESA_FORMAT_SIGNED_L8;
case PIPE_FORMAT_L8A8_SNORM:
return MESA_FORMAT_SIGNED_AL88;
case PIPE_FORMAT_I8_SNORM:
return MESA_FORMAT_SIGNED_I8;
case PIPE_FORMAT_R16_SNORM:
return MESA_FORMAT_SIGNED_R16;
case PIPE_FORMAT_R16G16_SNORM:
return MESA_FORMAT_SIGNED_GR1616;
case PIPE_FORMAT_R16G16B16A16_SNORM:
return MESA_FORMAT_SIGNED_RGBA_16;
case PIPE_FORMAT_A16_SNORM:
return MESA_FORMAT_SIGNED_A16;
case PIPE_FORMAT_L16_SNORM:
return MESA_FORMAT_SIGNED_L16;
case PIPE_FORMAT_L16A16_SNORM:
return MESA_FORMAT_SIGNED_AL1616;
case PIPE_FORMAT_I16_SNORM:
return MESA_FORMAT_SIGNED_I16;
case PIPE_FORMAT_R9G9B9E5_FLOAT:
return MESA_FORMAT_RGB9_E5_FLOAT;
case PIPE_FORMAT_R11G11B10_FLOAT:
return MESA_FORMAT_R11_G11_B10_FLOAT;
case PIPE_FORMAT_B10G10R10A2_UINT:
return MESA_FORMAT_ARGB2101010_UINT;
default:
assert(0);
return MESA_FORMAT_NONE;
}
}
/**
* Map GL texture formats to Gallium pipe formats.
*/
struct format_mapping
{
GLenum glFormats[18]; /**< list of GLenum formats, 0-terminated */
enum pipe_format pipeFormats[10]; /**< list of pipe formats, 0-terminated */
};
#define DEFAULT_RGBA_FORMATS \
PIPE_FORMAT_B8G8R8A8_UNORM, \
PIPE_FORMAT_A8R8G8B8_UNORM, \
PIPE_FORMAT_A8B8G8R8_UNORM, \
PIPE_FORMAT_B5G6R5_UNORM, \
0
#define DEFAULT_RGB_FORMATS \
PIPE_FORMAT_B8G8R8X8_UNORM, \
PIPE_FORMAT_X8R8G8B8_UNORM, \
PIPE_FORMAT_X8B8G8R8_UNORM, \
PIPE_FORMAT_B8G8R8A8_UNORM, \
PIPE_FORMAT_A8R8G8B8_UNORM, \
PIPE_FORMAT_A8B8G8R8_UNORM, \
PIPE_FORMAT_B5G6R5_UNORM, \
0
#define DEFAULT_SRGBA_FORMATS \
PIPE_FORMAT_B8G8R8A8_SRGB, \
PIPE_FORMAT_A8R8G8B8_SRGB, \
PIPE_FORMAT_A8B8G8R8_SRGB, \
0
#define DEFAULT_DEPTH_FORMATS \
PIPE_FORMAT_Z24X8_UNORM, \
PIPE_FORMAT_X8Z24_UNORM, \
PIPE_FORMAT_Z16_UNORM, \
PIPE_FORMAT_Z24_UNORM_S8_UINT, \
PIPE_FORMAT_S8_UINT_Z24_UNORM, \
0
#define DEFAULT_SNORM8_RGBA_FORMATS \
PIPE_FORMAT_R8G8B8A8_SNORM, \
0
#define DEFAULT_UNORM16_RGBA_FORMATS \
PIPE_FORMAT_R16G16B16A16_UNORM, \
DEFAULT_RGBA_FORMATS
/**
* This table maps OpenGL texture format enums to Gallium pipe_format enums.
* Multiple GL enums might map to multiple pipe_formats.
* The first pipe format in the list that's supported is the one that's chosen.
*/
static const struct format_mapping format_map[] = {
/* Basic RGB, RGBA formats */
{
{ GL_RGB10, GL_RGB10_A2, 0 },
{ PIPE_FORMAT_B10G10R10A2_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ 4, GL_RGBA, GL_RGBA8, 0 },
{ PIPE_FORMAT_R8G8B8A8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_BGRA, 0 },
{ PIPE_FORMAT_B8G8R8A8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ 3, GL_RGB, GL_RGB8, 0 },
{ DEFAULT_RGB_FORMATS }
},
{
{ GL_RGB12, GL_RGB16, GL_RGBA12, GL_RGBA16, 0 },
{ PIPE_FORMAT_R16G16B16A16_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_RGBA4, GL_RGBA2, 0 },
{ PIPE_FORMAT_B4G4R4A4_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_RGB5_A1, 0 },
{ PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_R3_G3_B2, 0 },
{ PIPE_FORMAT_B2G3R3_UNORM, PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_B5G5R5A1_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_RGB5, GL_RGB4 },
{ PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B5G5R5A1_UNORM,
DEFAULT_RGBA_FORMATS }
},
{
{ GL_RGB565 },
{ PIPE_FORMAT_B5G6R5_UNORM, DEFAULT_RGBA_FORMATS }
},
/* basic Alpha formats */
{
{ GL_ALPHA12, GL_ALPHA16, 0 },
{ PIPE_FORMAT_A16_UNORM, PIPE_FORMAT_A8_UNORM,
DEFAULT_RGBA_FORMATS }
},
{
{ GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_COMPRESSED_ALPHA, 0 },
{ PIPE_FORMAT_A8_UNORM, DEFAULT_RGBA_FORMATS }
},
/* basic Luminance formats */
{
{ GL_LUMINANCE12, GL_LUMINANCE16, 0 },
{ PIPE_FORMAT_L16_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
},
{
{ 1, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, 0 },
{ PIPE_FORMAT_L8_UNORM, DEFAULT_RGB_FORMATS }
},
/* basic Luminance/Alpha formats */
{
{ GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12,
GL_LUMINANCE16_ALPHA16, 0},
{ PIPE_FORMAT_L16A16_UNORM, PIPE_FORMAT_L8A8_UNORM,
DEFAULT_RGBA_FORMATS }
},
{
{ 2, GL_LUMINANCE_ALPHA, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, 0 },
{ PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_LUMINANCE4_ALPHA4, 0 },
{ PIPE_FORMAT_L4A4_UNORM, PIPE_FORMAT_L8A8_UNORM,
DEFAULT_RGBA_FORMATS }
},
/* basic Intensity formats */
{
{ GL_INTENSITY12, GL_INTENSITY16, 0 },
{ PIPE_FORMAT_I16_UNORM, PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8,
GL_COMPRESSED_INTENSITY, 0 },
{ PIPE_FORMAT_I8_UNORM, DEFAULT_RGBA_FORMATS }
},
/* YCbCr */
{
{ GL_YCBCR_MESA, 0 },
{ PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, 0 }
},
/* compressed formats */ /* XXX PIPE_BIND_SAMPLER_VIEW only */
{
{ GL_COMPRESSED_RGB, 0 },
{ PIPE_FORMAT_DXT1_RGB, DEFAULT_RGB_FORMATS }
},
{
{ GL_COMPRESSED_RGBA, 0 },
{ PIPE_FORMAT_DXT5_RGBA, DEFAULT_RGBA_FORMATS }
},
{
{ GL_RGB_S3TC, GL_RGB4_S3TC, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 0 },
{ PIPE_FORMAT_DXT1_RGB, 0 }
},
{
{ GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0 },
{ PIPE_FORMAT_DXT1_RGBA, 0 }
},
{
{ GL_RGBA_S3TC, GL_RGBA4_S3TC, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0 },
{ PIPE_FORMAT_DXT3_RGBA, 0 }
},
{
{ GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0 },
{ PIPE_FORMAT_DXT5_RGBA, 0 }
},
#if 0
{
{ GL_COMPRESSED_RGB_FXT1_3DFX, 0 },
{ PIPE_FORMAT_RGB_FXT1, 0 }
},
{
{ GL_COMPRESSED_RGBA_FXT1_3DFX, 0 },
{ PIPE_FORMAT_RGBA_FXT1, 0 }
},
#endif
/* Depth formats */
{
{ GL_DEPTH_COMPONENT16, 0 },
{ PIPE_FORMAT_Z16_UNORM, DEFAULT_DEPTH_FORMATS }
},
{
{ GL_DEPTH_COMPONENT24, 0 },
{ PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_X8Z24_UNORM,
DEFAULT_DEPTH_FORMATS }
},
{
{ GL_DEPTH_COMPONENT32, 0 },
{ PIPE_FORMAT_Z32_UNORM, DEFAULT_DEPTH_FORMATS }
},
{
{ GL_DEPTH_COMPONENT, 0 },
{ DEFAULT_DEPTH_FORMATS }
},
{
{ GL_DEPTH_COMPONENT32F, 0 },
{ PIPE_FORMAT_Z32_FLOAT, 0 }
},
/* stencil formats */
{
{ GL_STENCIL_INDEX, GL_STENCIL_INDEX1_EXT, GL_STENCIL_INDEX4_EXT,
GL_STENCIL_INDEX8_EXT, GL_STENCIL_INDEX16_EXT, 0 },
{
PIPE_FORMAT_S8_UINT, PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_FORMAT_S8_UINT_Z24_UNORM, 0
}
},
/* Depth / Stencil formats */
{
{ GL_DEPTH_STENCIL_EXT, GL_DEPTH24_STENCIL8_EXT, 0 },
{ PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_S8_UINT_Z24_UNORM, 0 }
},
{
{ GL_DEPTH32F_STENCIL8, 0 },
{ PIPE_FORMAT_Z32_FLOAT_S8X24_UINT, 0 }
},
/* sRGB formats */
{
{ GL_SRGB_EXT, GL_SRGB8_EXT, GL_SRGB_ALPHA_EXT, GL_SRGB8_ALPHA8_EXT, 0 },
{ DEFAULT_SRGBA_FORMATS }
},
{
{ GL_COMPRESSED_SRGB_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 0 },
{ PIPE_FORMAT_DXT1_SRGB, DEFAULT_SRGBA_FORMATS }
},
{
{ GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 0 },
{ PIPE_FORMAT_DXT1_SRGBA, 0 }
},
{
{ GL_COMPRESSED_SRGB_ALPHA_EXT,
GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 0 },
{ PIPE_FORMAT_DXT3_SRGBA, DEFAULT_SRGBA_FORMATS }
},
{
{ GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 0 },
{ PIPE_FORMAT_DXT5_SRGBA, 0 }
},
{
{ GL_SLUMINANCE_ALPHA_EXT, GL_SLUMINANCE8_ALPHA8_EXT,
GL_COMPRESSED_SLUMINANCE_EXT, GL_COMPRESSED_SLUMINANCE_ALPHA_EXT, 0 },
{ PIPE_FORMAT_L8A8_SRGB, DEFAULT_SRGBA_FORMATS }
},
{
{ GL_SLUMINANCE_EXT, GL_SLUMINANCE8_EXT, 0 },
{ PIPE_FORMAT_L8_SRGB, DEFAULT_SRGBA_FORMATS }
},
/* 16-bit float formats */
{
{ GL_RGBA16F_ARB, 0 },
{ PIPE_FORMAT_R16G16B16A16_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_RGB16F_ARB, 0 },
{ PIPE_FORMAT_R16G16B16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_LUMINANCE_ALPHA16F_ARB, 0 },
{ PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_ALPHA16F_ARB, 0 },
{ PIPE_FORMAT_A16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_INTENSITY16F_ARB, 0 },
{ PIPE_FORMAT_I16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_LUMINANCE16F_ARB, 0 },
{ PIPE_FORMAT_L16_FLOAT, PIPE_FORMAT_L16A16_FLOAT,
PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_R16F, 0 },
{ PIPE_FORMAT_R16_FLOAT, PIPE_FORMAT_R16G16_FLOAT,
PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
{
{ GL_RG16F, 0 },
{ PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT,
PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT, 0 }
},
/* 32-bit float formats */
{
{ GL_RGBA32F_ARB, 0 },
{ PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_RGB32F_ARB, 0 },
{ PIPE_FORMAT_R32G32B32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_LUMINANCE_ALPHA32F_ARB, 0 },
{ PIPE_FORMAT_L32A32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_ALPHA32F_ARB, 0 },
{ PIPE_FORMAT_A32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_A16_FLOAT,
PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_INTENSITY32F_ARB, 0 },
{ PIPE_FORMAT_I32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_I16_FLOAT,
PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_LUMINANCE32F_ARB, 0 },
{ PIPE_FORMAT_L32_FLOAT, PIPE_FORMAT_L32A32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_L16_FLOAT,
PIPE_FORMAT_L16A16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_R32F, 0 },
{ PIPE_FORMAT_R32_FLOAT, PIPE_FORMAT_R32G32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT, PIPE_FORMAT_R16_FLOAT,
PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
{
{ GL_RG32F, 0 },
{ PIPE_FORMAT_R32G32_FLOAT, PIPE_FORMAT_R32G32B32A32_FLOAT,
PIPE_FORMAT_R16G16_FLOAT, PIPE_FORMAT_R16G16B16A16_FLOAT, 0 }
},
/* R, RG formats */
{
{ GL_RED, GL_R8, 0 },
{ PIPE_FORMAT_R8_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_RG, GL_RG8, 0 },
{ PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_R16, 0 },
{ PIPE_FORMAT_R16_UNORM, PIPE_FORMAT_R16G16_UNORM,
DEFAULT_UNORM16_RGBA_FORMATS }
},
{
{ GL_RG16, 0 },
{ PIPE_FORMAT_R16G16_UNORM, DEFAULT_UNORM16_RGBA_FORMATS }
},
/* compressed R, RG formats */
{
{ GL_COMPRESSED_RED, GL_COMPRESSED_RED_RGTC1, 0 },
{ PIPE_FORMAT_RGTC1_UNORM, PIPE_FORMAT_R8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_SIGNED_RED_RGTC1, 0 },
{ PIPE_FORMAT_RGTC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_RG, GL_COMPRESSED_RG_RGTC2, 0 },
{ PIPE_FORMAT_RGTC2_UNORM, PIPE_FORMAT_R8G8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_SIGNED_RG_RGTC2, 0 },
{ PIPE_FORMAT_RGTC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_LATC1_EXT, 0 },
{ PIPE_FORMAT_LATC1_UNORM, PIPE_FORMAT_L8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT, 0 },
{ PIPE_FORMAT_LATC1_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT,
GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI, 0 },
{ PIPE_FORMAT_LATC2_UNORM, PIPE_FORMAT_L8A8_UNORM, DEFAULT_RGBA_FORMATS }
},
{
{ GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT, 0 },
{ PIPE_FORMAT_LATC2_SNORM, DEFAULT_SNORM8_RGBA_FORMATS }
},
/* ETC1 */
{
{ GL_ETC1_RGB8_OES, 0 },
{ PIPE_FORMAT_ETC1_RGB8, 0 }
},
/* signed/unsigned integer formats.
*/
{
{ GL_RED_INTEGER_EXT,
GL_GREEN_INTEGER_EXT,
GL_BLUE_INTEGER_EXT,
GL_RGBA_INTEGER_EXT,
GL_BGRA_INTEGER_EXT,
GL_RGBA8I_EXT, 0 },
{ PIPE_FORMAT_R8G8B8A8_SINT, 0 }
},
{
{ GL_RGB_INTEGER_EXT,
GL_BGR_INTEGER_EXT,
GL_RGB8I_EXT, 0 },
{ PIPE_FORMAT_R8G8B8_SINT,
PIPE_FORMAT_R8G8B8A8_SINT, 0 }
},
{
{ GL_ALPHA_INTEGER_EXT,
GL_ALPHA8I_EXT, 0 },
{ PIPE_FORMAT_A8_SINT, 0 }
},
{
{ GL_ALPHA16I_EXT, 0 },
{ PIPE_FORMAT_A16_SINT, 0 }
},
{
{ GL_ALPHA32I_EXT, 0 },
{ PIPE_FORMAT_A32_SINT, 0 }
},
{
{ GL_ALPHA8UI_EXT, 0 },
{ PIPE_FORMAT_A8_UINT, 0 }
},
{
{ GL_ALPHA16UI_EXT, 0 },
{ PIPE_FORMAT_A16_UINT, 0 }
},
{
{ GL_ALPHA32UI_EXT, 0 },
{ PIPE_FORMAT_A32_UINT, 0 }
},
{
{ GL_INTENSITY8I_EXT, 0 },
{ PIPE_FORMAT_I8_SINT, 0 }
},
{
{ GL_INTENSITY16I_EXT, 0 },
{ PIPE_FORMAT_I16_SINT, 0 }
},
{
{ GL_INTENSITY32I_EXT, 0 },
{ PIPE_FORMAT_I32_SINT, 0 }
},
{
{ GL_INTENSITY8UI_EXT, 0 },
{ PIPE_FORMAT_I8_UINT, 0 }
},
{
{ GL_INTENSITY16UI_EXT, 0 },
{ PIPE_FORMAT_I16_UINT, 0 }
},
{
{ GL_INTENSITY32UI_EXT, 0 },
{ PIPE_FORMAT_I32_UINT, 0 }
},
{
{ GL_LUMINANCE8I_EXT, 0 },
{ PIPE_FORMAT_L8_SINT, 0 }
},
{
{ GL_LUMINANCE16I_EXT, 0 },
{ PIPE_FORMAT_L16_SINT, 0 }
},
{
{ GL_LUMINANCE32I_EXT, 0 },
{ PIPE_FORMAT_L32_SINT, 0 }
},
{
{ GL_LUMINANCE_INTEGER_EXT,
GL_LUMINANCE8UI_EXT, 0 },
{ PIPE_FORMAT_L8_UINT, 0 }
},
{
{ GL_LUMINANCE16UI_EXT, 0 },
{ PIPE_FORMAT_L16_UINT, 0 }
},
{
{ GL_LUMINANCE32UI_EXT, 0 },
{ PIPE_FORMAT_L32_UINT, 0 }
},
{
{ GL_LUMINANCE_ALPHA_INTEGER_EXT,
GL_LUMINANCE_ALPHA8I_EXT, 0 },
{ PIPE_FORMAT_L8A8_SINT, 0 }
},
{
{ GL_LUMINANCE_ALPHA16I_EXT, 0 },
{ PIPE_FORMAT_L16A16_SINT, 0 }
},
{
{ GL_LUMINANCE_ALPHA32I_EXT, 0 },
{ PIPE_FORMAT_L32A32_SINT, 0 }
},
{
{ GL_LUMINANCE_ALPHA8UI_EXT, 0 },
{ PIPE_FORMAT_L8A8_UINT, 0 }
},
{
{ GL_LUMINANCE_ALPHA16UI_EXT, 0 },
{ PIPE_FORMAT_L16A16_UINT, 0 }
},
{
{ GL_LUMINANCE_ALPHA32UI_EXT, 0 },
{ PIPE_FORMAT_L32A32_UINT, 0 }
},
{
{ GL_RGB16I_EXT, 0 },
{ PIPE_FORMAT_R16G16B16_SINT,
PIPE_FORMAT_R16G16B16A16_SINT, 0 },
},
{
{ GL_RGBA16I_EXT, 0 },
{ PIPE_FORMAT_R16G16B16A16_SINT, 0 },
},
{
{ GL_RGB32I_EXT, 0 },
{ PIPE_FORMAT_R32G32B32_SINT,
PIPE_FORMAT_R32G32B32A32_SINT, 0 },
},
{
{ GL_RGBA32I_EXT, 0 },
{ PIPE_FORMAT_R32G32B32A32_SINT, 0 }
},
{
{ GL_RGBA8UI_EXT, 0 },
{ PIPE_FORMAT_R8G8B8A8_UINT, 0 }
},
{
{ GL_RGB8UI_EXT, 0 },
{ PIPE_FORMAT_R8G8B8_UINT,
PIPE_FORMAT_R8G8B8A8_UINT, 0 }
},
{
{ GL_RGB16UI_EXT, 0 },
{ PIPE_FORMAT_R16G16B16_UINT,
PIPE_FORMAT_R16G16B16A16_UINT, 0 }
},
{
{ GL_RGBA16UI_EXT, 0 },
{ PIPE_FORMAT_R16G16B16A16_UINT, 0 }
},
{
{ GL_RGB32UI_EXT, 0},
{ PIPE_FORMAT_R32G32B32_UINT,
PIPE_FORMAT_R32G32B32A32_UINT, 0 }
},
{
{ GL_RGBA32UI_EXT, 0},
{ PIPE_FORMAT_R32G32B32A32_UINT, 0 }
},
{
{ GL_R8I, 0},
{ PIPE_FORMAT_R8_SINT, 0},
},
{
{ GL_R16I, 0},
{ PIPE_FORMAT_R16_SINT, 0},
},
{
{ GL_R32I, 0},
{ PIPE_FORMAT_R32_SINT, 0},
},
{
{ GL_R8UI, 0},
{ PIPE_FORMAT_R8_UINT, 0},
},
{
{ GL_R16UI, 0},
{ PIPE_FORMAT_R16_UINT, 0},
},
{
{ GL_R32UI, 0},
{ PIPE_FORMAT_R32_UINT, 0},
},
{
{ GL_RG8I, 0},
{ PIPE_FORMAT_R8G8_SINT, 0},
},
{
{ GL_RG16I, 0},
{ PIPE_FORMAT_R16G16_SINT, 0},
},
{
{ GL_RG32I, 0},
{ PIPE_FORMAT_R32G32_SINT, 0},
},
{
{ GL_RG8UI, 0},
{ PIPE_FORMAT_R8G8_UINT, 0},
},
{
{ GL_RG16UI, 0},
{ PIPE_FORMAT_R16G16_UINT, 0},
},
{
{ GL_RG32UI, 0},
{ PIPE_FORMAT_R32G32_UINT, 0},
},
/* signed normalized formats */
{
{ GL_RED_SNORM, GL_R8_SNORM, 0 },
{ PIPE_FORMAT_R8_SNORM, PIPE_FORMAT_R8G8_SNORM,
PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_R16_SNORM, 0 },
{ PIPE_FORMAT_R16_SNORM,
PIPE_FORMAT_R16G16_SNORM,
PIPE_FORMAT_R16G16B16A16_SNORM,
PIPE_FORMAT_R8_SNORM,
PIPE_FORMAT_R8G8_SNORM,
PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_RG_SNORM, GL_RG8_SNORM, 0 },
{ PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_RG16_SNORM, 0 },
{ PIPE_FORMAT_R16G16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
PIPE_FORMAT_R8G8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_RGB_SNORM, GL_RGB8_SNORM, GL_RGBA_SNORM, GL_RGBA8_SNORM, 0 },
{ PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_RGB16_SNORM, GL_RGBA16_SNORM, 0 },
{ PIPE_FORMAT_R16G16B16A16_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_ALPHA_SNORM, GL_ALPHA8_SNORM, 0 },
{ PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_ALPHA16_SNORM, 0 },
{ PIPE_FORMAT_A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
PIPE_FORMAT_A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_LUMINANCE_SNORM, GL_LUMINANCE8_SNORM, 0 },
{ PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_LUMINANCE16_SNORM, 0 },
{ PIPE_FORMAT_L16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
PIPE_FORMAT_L8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_LUMINANCE_ALPHA_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, 0 },
{ PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_LUMINANCE16_ALPHA16_SNORM, 0 },
{ PIPE_FORMAT_L16A16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
PIPE_FORMAT_L8A8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_INTENSITY_SNORM, GL_INTENSITY8_SNORM, 0 },
{ PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_INTENSITY16_SNORM, 0 },
{ PIPE_FORMAT_I16_SNORM, PIPE_FORMAT_R16G16B16A16_SNORM,
PIPE_FORMAT_I8_SNORM, PIPE_FORMAT_R8G8B8A8_SNORM, 0 }
},
{
{ GL_RGB9_E5, 0 },
{ PIPE_FORMAT_R9G9B9E5_FLOAT, 0 }
},
{
{ GL_R11F_G11F_B10F, 0 },
{ PIPE_FORMAT_R11G11B10_FLOAT, 0 }
},
{
{ GL_RGB10_A2UI, 0 },
{ PIPE_FORMAT_B10G10R10A2_UINT, 0 }
},
};
/**
* Return first supported format from the given list.
*/
static enum pipe_format
find_supported_format(struct pipe_screen *screen,
const enum pipe_format formats[],
enum pipe_texture_target target,
unsigned sample_count,
unsigned tex_usage)
{
uint i;
for (i = 0; formats[i]; i++) {
if (screen->is_format_supported(screen, formats[i], target,
sample_count, tex_usage)) {
return formats[i];
}
}
return PIPE_FORMAT_NONE;
}
struct exact_format_mapping
{
GLenum format;
GLenum type;
enum pipe_format pformat;
};
static const struct exact_format_mapping rgba8888_tbl[] =
{
{ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8B8G8R8_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_A8B8G8R8_UNORM },
{ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8A8_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8A8_UNORM },
{ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_A8R8G8B8_UNORM },
{ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8A8_UNORM },
{ GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8A8_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_A8B8G8R8_UNORM },
{ GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8A8_UNORM },
{ 0, 0, 0 }
};
static const struct exact_format_mapping rgbx8888_tbl[] =
{
{ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8R8G8B8_UNORM },
{ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_B8G8R8X8_UNORM },
{ GL_BGRA, GL_UNSIGNED_BYTE, PIPE_FORMAT_B8G8R8X8_UNORM },
/* No Mesa formats for these Gallium formats:
{ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_X8B8G8R8_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_X8B8G8R8_UNORM },
{ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, PIPE_FORMAT_R8G8B8X8_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, PIPE_FORMAT_R8G8B8X8_UNORM },
{ GL_RGBA, GL_UNSIGNED_BYTE, PIPE_FORMAT_R8G8B8X8_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_BYTE, PIPE_FORMAT_X8B8G8R8_UNORM },
*/
{ 0, 0, 0 }
};
static const struct exact_format_mapping rgba1010102_tbl[] =
{
{ GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_B10G10R10A2_UNORM },
/* No Mesa formats for these Gallium formats:
{ GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, PIPE_FORMAT_R10G10B10A2_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_INT_10_10_10_2, PIPE_FORMAT_R10G10B10A2_UNORM },
{ GL_ABGR_EXT, GL_UNSIGNED_INT, PIPE_FORMAT_R10G10B10A2_UNORM },
*/
{ 0, 0, 0 }
};
/**
* If there is an exact pipe_format match for {internalFormat, format, type}
* return that, otherwise return PIPE_FORMAT_NONE so we can do fuzzy matching.
*/
static enum pipe_format
find_exact_format(GLint internalFormat, GLenum format, GLenum type)
{
uint i;
const struct exact_format_mapping* tbl;
if (format == GL_NONE || type == GL_NONE)
return PIPE_FORMAT_NONE;
switch (internalFormat) {
case 4:
case GL_RGBA:
case GL_RGBA8:
tbl = rgba8888_tbl;
break;
case 3:
case GL_RGB:
case GL_RGB8:
tbl = rgbx8888_tbl;
break;
case GL_RGB10_A2:
tbl = rgba1010102_tbl;
break;
default:
return PIPE_FORMAT_NONE;
}
for (i = 0; tbl[i].format; i++)
if (tbl[i].format == format && tbl[i].type == type)
return tbl[i].pformat;
return PIPE_FORMAT_NONE;
}
/**
* Given an OpenGL internalFormat value for a texture or surface, return
* the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match.
* This is called during glTexImage2D, for example.
*
* The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus
* either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if
* we want render-to-texture ability.
*
* \param internalFormat the user value passed to glTexImage2D
* \param target one of PIPE_TEXTURE_x
* \param bindings bitmask of PIPE_BIND_x flags.
*/
enum pipe_format
st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
GLenum format, GLenum type,
enum pipe_texture_target target, unsigned sample_count,
unsigned bindings)
{
GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
int i, j;
enum pipe_format pf;
/* can't render to compressed formats at this time */
if (_mesa_is_compressed_format(ctx, internalFormat)
&& (bindings & ~PIPE_BIND_SAMPLER_VIEW)) {
return PIPE_FORMAT_NONE;
}
/* search for exact matches */
pf = find_exact_format(internalFormat, format, type);
if (pf != PIPE_FORMAT_NONE &&
screen->is_format_supported(screen, pf,
target, sample_count, bindings))
return pf;
/* search table for internalFormat */
for (i = 0; i < Elements(format_map); i++) {
const struct format_mapping *mapping = &format_map[i];
for (j = 0; mapping->glFormats[j]; j++) {
if (mapping->glFormats[j] == internalFormat) {
/* Found the desired internal format. Find first pipe format
* which is supported by the driver.
*/
return find_supported_format(screen, mapping->pipeFormats,
target, sample_count, bindings);
}
}
}
_mesa_problem(NULL, "unhandled format!\n");
return PIPE_FORMAT_NONE;
}
/**
* Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces.
*/
enum pipe_format
st_choose_renderbuffer_format(struct pipe_screen *screen,
GLenum internalFormat, unsigned sample_count)
{
uint usage;
if (_mesa_is_depth_or_stencil_format(internalFormat))
usage = PIPE_BIND_DEPTH_STENCIL;
else
usage = PIPE_BIND_RENDER_TARGET;
return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE, PIPE_TEXTURE_2D,
sample_count, usage);
}
gl_format
st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
GLenum format, GLenum type, GLboolean renderable)
{
struct pipe_screen *screen = st_context(ctx)->pipe->screen;
enum pipe_format pFormat;
uint bindings;
(void) format;
(void) type;
/* GL textures may wind up being render targets, but we don't know
* that in advance. Specify potential render target flags now.
*/
bindings = PIPE_BIND_SAMPLER_VIEW;
if (renderable) {
if (_mesa_is_depth_or_stencil_format(internalFormat))
bindings |= PIPE_BIND_DEPTH_STENCIL;
else
bindings |= PIPE_BIND_RENDER_TARGET;
}
pFormat = st_choose_format(screen, internalFormat, format, type,
PIPE_TEXTURE_2D, 0, bindings);
if (pFormat == PIPE_FORMAT_NONE) {
/* try choosing format again, this time without render target bindings */
pFormat = st_choose_format(screen, internalFormat, format, type,
PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
}
if (pFormat == PIPE_FORMAT_NONE) {
/* no luck at all */
return MESA_FORMAT_NONE;
}
return st_pipe_format_to_mesa_format(pFormat);
}
/**
* Called via ctx->Driver.ChooseTextureFormat().
*/
gl_format
st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
GLint internalFormat,
GLenum format, GLenum type)
{
boolean want_renderable =
internalFormat == 3 || internalFormat == 4 ||
internalFormat == GL_RGB || internalFormat == GL_RGBA ||
internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
internalFormat == GL_BGRA;
if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
/* We don't do compression for these texture targets because of
* difficulty with sub-texture updates on non-block boundaries, etc.
* So change the internal format request to an uncompressed format.
*/
internalFormat =
_mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
}
return st_ChooseTextureFormat_renderable(ctx, internalFormat,
format, type, want_renderable);
}
GLboolean
st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
{
if (format1 == format2)
return GL_TRUE;
if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM &&
format2 == PIPE_FORMAT_B8G8R8X8_UNORM)
return GL_TRUE;
if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM &&
format2 == PIPE_FORMAT_B8G8R8A8_UNORM)
return GL_TRUE;
if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM &&
format2 == PIPE_FORMAT_X8B8G8R8_UNORM)
return GL_TRUE;
if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM &&
format2 == PIPE_FORMAT_A8B8G8R8_UNORM)
return GL_TRUE;
if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM &&
format2 == PIPE_FORMAT_X8R8G8B8_UNORM)
return GL_TRUE;
if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM &&
format2 == PIPE_FORMAT_A8R8G8B8_UNORM)
return GL_TRUE;
return GL_FALSE;
}
/**
* This is used for translating texture border color and the clear
* color. For example, the clear color is interpreted according to
* the renderbuffer's base format. For example, if clearing a
* GL_LUMINANCE buffer, we'll return colorOut[0] = colorOut[1] =
* colorOut[2] = colorIn[0].
* Similarly for texture border colors.
*/
void
st_translate_color(union gl_color_union *colorIn,
union pipe_color_union *colorOut,
GLenum baseFormat, GLboolean is_integer)
{
if (is_integer) {
int *in = colorIn->i;
int *out = colorOut->i;
switch (baseFormat) {
case GL_RED:
out[0] = in[0];
out[1] = 0;
out[2] = 0;
out[3] = 1;
break;
case GL_RG:
out[0] = in[0];
out[1] = in[1];
out[2] = 0;
out[3] = 1;
break;
case GL_RGB:
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = 1;
break;
case GL_ALPHA:
out[0] = out[1] = out[2] = 0;
out[3] = in[3];
break;
case GL_LUMINANCE:
out[0] = out[1] = out[2] = in[0];
out[3] = 1;
break;
case GL_LUMINANCE_ALPHA:
out[0] = out[1] = out[2] = in[0];
out[3] = in[3];
break;
case GL_INTENSITY:
out[0] = out[1] = out[2] = out[3] = in[0];
break;
default:
COPY_4V(out, in);
}
}
else {
float *in = colorIn->f;
float *out = colorOut->f;
switch (baseFormat) {
case GL_RED:
out[0] = in[0];
out[1] = 0.0F;
out[2] = 0.0F;
out[3] = 1.0F;
break;
case GL_RG:
out[0] = in[0];
out[1] = in[1];
out[2] = 0.0F;
out[3] = 1.0F;
break;
case GL_RGB:
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = 1.0F;
break;
case GL_ALPHA:
out[0] = out[1] = out[2] = 0.0F;
out[3] = in[3];
break;
case GL_LUMINANCE:
out[0] = out[1] = out[2] = in[0];
out[3] = 1.0F;
break;
case GL_LUMINANCE_ALPHA:
out[0] = out[1] = out[2] = in[0];
out[3] = in[3];
break;
case GL_INTENSITY:
out[0] = out[1] = out[2] = out[3] = in[0];
break;
default:
COPY_4V(out, in);
}
}
}