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/*
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#include "pipe/p_defines.h"
#include "util/u_format.h"
#include "fd2_util.h"
enum a2xx_sq_surfaceformat
fd2_pipe2surface(enum pipe_format format)
{
switch (format) {
/* 8-bit buffers. */
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_A8_SNORM:
case PIPE_FORMAT_A8_UINT:
case PIPE_FORMAT_A8_SINT:
case PIPE_FORMAT_I8_UNORM:
case PIPE_FORMAT_I8_SNORM:
case PIPE_FORMAT_I8_UINT:
case PIPE_FORMAT_I8_SINT:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_L8_SNORM:
case PIPE_FORMAT_L8_UINT:
case PIPE_FORMAT_L8_SINT:
case PIPE_FORMAT_L8_SRGB:
case PIPE_FORMAT_R8_UNORM:
case PIPE_FORMAT_R8_SNORM:
case PIPE_FORMAT_R8_UINT:
case PIPE_FORMAT_R8_SINT:
return FMT_8;
/* 16-bit buffers. */
case PIPE_FORMAT_B5G6R5_UNORM:
return FMT_5_6_5;
case PIPE_FORMAT_B5G5R5A1_UNORM:
case PIPE_FORMAT_B5G5R5X1_UNORM:
return FMT_1_5_5_5;
case PIPE_FORMAT_B4G4R4A4_UNORM:
case PIPE_FORMAT_B4G4R4X4_UNORM:
return FMT_4_4_4_4;
case PIPE_FORMAT_Z16_UNORM:
return FMT_16;
case PIPE_FORMAT_L8A8_UNORM:
case PIPE_FORMAT_L8A8_SNORM:
case PIPE_FORMAT_L8A8_UINT:
case PIPE_FORMAT_L8A8_SINT:
case PIPE_FORMAT_L8A8_SRGB:
case PIPE_FORMAT_R8G8_UNORM:
case PIPE_FORMAT_R8G8_SNORM:
case PIPE_FORMAT_R8G8_UINT:
case PIPE_FORMAT_R8G8_SINT:
return FMT_8_8;
case PIPE_FORMAT_R16_UNORM:
case PIPE_FORMAT_R16_SNORM:
case PIPE_FORMAT_R16_UINT:
case PIPE_FORMAT_R16_SINT:
case PIPE_FORMAT_A16_UNORM:
case PIPE_FORMAT_A16_SNORM:
case PIPE_FORMAT_A16_UINT:
case PIPE_FORMAT_A16_SINT:
case PIPE_FORMAT_L16_UNORM:
case PIPE_FORMAT_L16_SNORM:
case PIPE_FORMAT_L16_UINT:
case PIPE_FORMAT_L16_SINT:
case PIPE_FORMAT_I16_UNORM:
case PIPE_FORMAT_I16_SNORM:
case PIPE_FORMAT_I16_UINT:
case PIPE_FORMAT_I16_SINT:
return FMT_16;
case PIPE_FORMAT_R16_FLOAT:
case PIPE_FORMAT_A16_FLOAT:
case PIPE_FORMAT_L16_FLOAT:
case PIPE_FORMAT_I16_FLOAT:
return FMT_16_FLOAT;
/* 32-bit buffers. */
case PIPE_FORMAT_A8B8G8R8_SRGB:
case PIPE_FORMAT_A8B8G8R8_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_B8G8R8A8_SRGB:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SNORM:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_R8G8B8X8_UNORM:
case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
case PIPE_FORMAT_X8B8G8R8_UNORM:
case PIPE_FORMAT_X8R8G8B8_UNORM:
case PIPE_FORMAT_R8G8B8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SINT:
case PIPE_FORMAT_R8G8B8A8_UINT:
return FMT_8_8_8_8;
case PIPE_FORMAT_R10G10B10A2_UNORM:
case PIPE_FORMAT_R10G10B10X2_SNORM:
case PIPE_FORMAT_B10G10R10A2_UNORM:
case PIPE_FORMAT_B10G10R10A2_UINT:
case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
return FMT_2_10_10_10;
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
return FMT_24_8;
case PIPE_FORMAT_R32_UINT:
case PIPE_FORMAT_R32_SINT:
case PIPE_FORMAT_A32_UINT:
case PIPE_FORMAT_A32_SINT:
case PIPE_FORMAT_L32_UINT:
case PIPE_FORMAT_L32_SINT:
case PIPE_FORMAT_I32_UINT:
case PIPE_FORMAT_I32_SINT:
return FMT_32;
case PIPE_FORMAT_R32_FLOAT:
case PIPE_FORMAT_A32_FLOAT:
case PIPE_FORMAT_L32_FLOAT:
case PIPE_FORMAT_I32_FLOAT:
case PIPE_FORMAT_Z32_FLOAT:
return FMT_32_FLOAT;
case PIPE_FORMAT_R16G16_FLOAT:
case PIPE_FORMAT_L16A16_FLOAT:
return FMT_16_16_FLOAT;
case PIPE_FORMAT_R16G16_UNORM:
case PIPE_FORMAT_R16G16_SNORM:
case PIPE_FORMAT_R16G16_UINT:
case PIPE_FORMAT_R16G16_SINT:
case PIPE_FORMAT_L16A16_UNORM:
case PIPE_FORMAT_L16A16_SNORM:
case PIPE_FORMAT_L16A16_UINT:
case PIPE_FORMAT_L16A16_SINT:
return FMT_16_16;
/* 64-bit buffers. */
case PIPE_FORMAT_R16G16B16A16_UINT:
case PIPE_FORMAT_R16G16B16A16_SINT:
case PIPE_FORMAT_R16G16B16A16_UNORM:
case PIPE_FORMAT_R16G16B16A16_SNORM:
return FMT_16_16_16_16;
case PIPE_FORMAT_R16G16B16A16_FLOAT:
return FMT_16_16_16_16_FLOAT;
case PIPE_FORMAT_R32G32_FLOAT:
case PIPE_FORMAT_L32A32_FLOAT:
return FMT_32_32_FLOAT;
case PIPE_FORMAT_R32G32_SINT:
case PIPE_FORMAT_R32G32_UINT:
case PIPE_FORMAT_L32A32_UINT:
case PIPE_FORMAT_L32A32_SINT:
return FMT_32_32;
/* 96-bit buffers. */
case PIPE_FORMAT_R32G32B32_FLOAT:
return FMT_32_32_32_FLOAT;
/* 128-bit buffers. */
case PIPE_FORMAT_R32G32B32A32_SNORM:
case PIPE_FORMAT_R32G32B32A32_UNORM:
case PIPE_FORMAT_R32G32B32A32_SINT:
case PIPE_FORMAT_R32G32B32A32_UINT:
return FMT_32_32_32_32;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return FMT_32_32_32_32_FLOAT;
/* Compressed textures. */
case PIPE_FORMAT_ETC1_RGB8:
return FMT_ETC1_RGB;
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
return FMT_DXT1;
case PIPE_FORMAT_DXT3_RGBA:
return FMT_DXT2_3;
case PIPE_FORMAT_DXT5_RGBA:
return FMT_DXT4_5;
/* YUV buffers. */
case PIPE_FORMAT_UYVY:
return FMT_Cr_Y1_Cb_Y0;
case PIPE_FORMAT_YUYV:
return FMT_Y1_Cr_Y0_Cb;
default:
return ~0;
}
}
enum a2xx_colorformatx
fd2_pipe2color(enum pipe_format format)
{
switch (format) {
/* 8-bit buffers. */
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_A8_SNORM:
case PIPE_FORMAT_A8_UINT:
case PIPE_FORMAT_A8_SINT:
case PIPE_FORMAT_I8_UNORM:
case PIPE_FORMAT_I8_SNORM:
case PIPE_FORMAT_I8_UINT:
case PIPE_FORMAT_I8_SINT:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_L8_SNORM:
case PIPE_FORMAT_L8_UINT:
case PIPE_FORMAT_L8_SINT:
case PIPE_FORMAT_L8_SRGB:
case PIPE_FORMAT_R8_UNORM:
case PIPE_FORMAT_R8_SNORM:
case PIPE_FORMAT_R8_UINT:
case PIPE_FORMAT_R8_SINT:
return COLORX_8;
/* 16-bit buffers. */
case PIPE_FORMAT_B5G6R5_UNORM:
return COLORX_5_6_5;
case PIPE_FORMAT_B5G5R5A1_UNORM:
case PIPE_FORMAT_B5G5R5X1_UNORM:
return COLORX_1_5_5_5;
case PIPE_FORMAT_B4G4R4A4_UNORM:
case PIPE_FORMAT_B4G4R4X4_UNORM:
return COLORX_4_4_4_4;
case PIPE_FORMAT_L8A8_UNORM:
case PIPE_FORMAT_L8A8_SNORM:
case PIPE_FORMAT_L8A8_UINT:
case PIPE_FORMAT_L8A8_SINT:
case PIPE_FORMAT_L8A8_SRGB:
case PIPE_FORMAT_R8G8_UNORM:
case PIPE_FORMAT_R8G8_SNORM:
case PIPE_FORMAT_R8G8_UINT:
case PIPE_FORMAT_R8G8_SINT:
case PIPE_FORMAT_Z16_UNORM:
return COLORX_8_8;
case PIPE_FORMAT_R16_FLOAT:
case PIPE_FORMAT_A16_FLOAT:
case PIPE_FORMAT_L16_FLOAT:
case PIPE_FORMAT_I16_FLOAT:
return COLORX_16_FLOAT;
/* 32-bit buffers. */
case PIPE_FORMAT_A8B8G8R8_SRGB:
case PIPE_FORMAT_A8B8G8R8_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_B8G8R8A8_SRGB:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SNORM:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_R8G8B8X8_UNORM:
case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
case PIPE_FORMAT_X8B8G8R8_UNORM:
case PIPE_FORMAT_X8R8G8B8_UNORM:
case PIPE_FORMAT_R8G8B8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SINT:
case PIPE_FORMAT_R8G8B8A8_UINT:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
case PIPE_FORMAT_Z24X8_UNORM:
return COLORX_8_8_8_8;
case PIPE_FORMAT_R32_FLOAT:
case PIPE_FORMAT_A32_FLOAT:
case PIPE_FORMAT_L32_FLOAT:
case PIPE_FORMAT_I32_FLOAT:
case PIPE_FORMAT_Z32_FLOAT:
return COLORX_32_FLOAT;
case PIPE_FORMAT_R16G16_FLOAT:
case PIPE_FORMAT_L16A16_FLOAT:
return COLORX_16_16_FLOAT;
/* 64-bit buffers. */
case PIPE_FORMAT_R16G16B16A16_FLOAT:
return COLORX_16_16_16_16_FLOAT;
case PIPE_FORMAT_R32G32_FLOAT:
case PIPE_FORMAT_L32A32_FLOAT:
return COLORX_32_32_FLOAT;
/* 128-bit buffers. */
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return COLORX_32_32_32_32_FLOAT;
default:
return ~0;
}
}
static inline enum sq_tex_swiz
tex_swiz(unsigned swiz)
{
switch (swiz) {
default:
case PIPE_SWIZZLE_X: return SQ_TEX_X;
case PIPE_SWIZZLE_Y: return SQ_TEX_Y;
case PIPE_SWIZZLE_Z: return SQ_TEX_Z;
case PIPE_SWIZZLE_W: return SQ_TEX_W;
case PIPE_SWIZZLE_0: return SQ_TEX_ZERO;
case PIPE_SWIZZLE_1: return SQ_TEX_ONE;
}
}
uint32_t
fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
unsigned swizzle_b, unsigned swizzle_a)
{
const struct util_format_description *desc =
util_format_description(format);
unsigned char swiz[4] = {
swizzle_r, swizzle_g, swizzle_b, swizzle_a,
}, rswiz[4];
util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
return A2XX_SQ_TEX_3_SWIZ_X(tex_swiz(rswiz[0])) |
A2XX_SQ_TEX_3_SWIZ_Y(tex_swiz(rswiz[1])) |
A2XX_SQ_TEX_3_SWIZ_Z(tex_swiz(rswiz[2])) |
A2XX_SQ_TEX_3_SWIZ_W(tex_swiz(rswiz[3]));
}
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