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|
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright (C) 2013 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 "fd3_util.h"
/* convert pipe format to vertex buffer format: */
enum a3xx_vtx_fmt
fd3_pipe2vtx(enum pipe_format format)
{
switch (format) {
/* 8-bit buffers. */
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_R8_UNORM:
case PIPE_FORMAT_L8_SRGB:
return VFMT_NORM_UBYTE_8;
case PIPE_FORMAT_A8_SNORM:
case PIPE_FORMAT_I8_SNORM:
case PIPE_FORMAT_L8_SNORM:
case PIPE_FORMAT_R8_SNORM:
return VFMT_NORM_BYTE_8;
case PIPE_FORMAT_A8_UINT:
case PIPE_FORMAT_I8_UINT:
case PIPE_FORMAT_L8_UINT:
case PIPE_FORMAT_R8_UINT:
return VFMT_UBYTE_8;
case PIPE_FORMAT_A8_SINT:
case PIPE_FORMAT_I8_SINT:
case PIPE_FORMAT_L8_SINT:
case PIPE_FORMAT_R8_SINT:
return VFMT_BYTE_8;
/* 16-bit buffers. */
case PIPE_FORMAT_R16_UNORM:
case PIPE_FORMAT_A16_UNORM:
case PIPE_FORMAT_L16_UNORM:
case PIPE_FORMAT_I16_UNORM:
case PIPE_FORMAT_Z16_UNORM:
return VFMT_NORM_USHORT_16;
case PIPE_FORMAT_R16_SNORM:
case PIPE_FORMAT_A16_SNORM:
case PIPE_FORMAT_L16_SNORM:
case PIPE_FORMAT_I16_SNORM:
return VFMT_NORM_SHORT_16;
case PIPE_FORMAT_R16_UINT:
case PIPE_FORMAT_A16_UINT:
case PIPE_FORMAT_L16_UINT:
case PIPE_FORMAT_I16_UINT:
return VFMT_USHORT_16;
case PIPE_FORMAT_R16_SINT:
case PIPE_FORMAT_A16_SINT:
case PIPE_FORMAT_L16_SINT:
case PIPE_FORMAT_I16_SINT:
return VFMT_SHORT_16;
case PIPE_FORMAT_L8A8_UNORM:
case PIPE_FORMAT_R8G8_UNORM:
return VFMT_NORM_UBYTE_8_8;
case PIPE_FORMAT_L8A8_SNORM:
case PIPE_FORMAT_R8G8_SNORM:
return VFMT_NORM_BYTE_8_8;
case PIPE_FORMAT_L8A8_UINT:
case PIPE_FORMAT_R8G8_UINT:
return VFMT_UBYTE_8_8;
case PIPE_FORMAT_L8A8_SINT:
case PIPE_FORMAT_R8G8_SINT:
return VFMT_BYTE_8_8;
/* 24-bit buffers. */
case PIPE_FORMAT_R8G8B8_UNORM:
return VFMT_NORM_UBYTE_8_8_8;
case PIPE_FORMAT_R8G8B8_SNORM:
return VFMT_NORM_BYTE_8_8_8;
case PIPE_FORMAT_R8G8B8_UINT:
return VFMT_UBYTE_8_8_8;
case PIPE_FORMAT_R8G8B8_SINT:
return VFMT_BYTE_8_8_8;
/* 32-bit buffers. */
case PIPE_FORMAT_A8B8G8R8_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_R8G8B8X8_UNORM:
case PIPE_FORMAT_X8B8G8R8_UNORM:
case PIPE_FORMAT_X8R8G8B8_UNORM:
case PIPE_FORMAT_A8B8G8R8_SRGB:
case PIPE_FORMAT_B8G8R8A8_SRGB:
return VFMT_NORM_UBYTE_8_8_8_8;
case PIPE_FORMAT_R8G8B8A8_SNORM:
case PIPE_FORMAT_R8G8B8X8_SNORM:
return VFMT_NORM_BYTE_8_8_8_8;
case PIPE_FORMAT_R8G8B8A8_UINT:
case PIPE_FORMAT_R8G8B8X8_UINT:
return VFMT_UBYTE_8_8_8_8;
case PIPE_FORMAT_R8G8B8A8_SINT:
case PIPE_FORMAT_R8G8B8X8_SINT:
return VFMT_BYTE_8_8_8_8;
/* TODO probably need gles3 blob drivers to find the 32bit int formats:
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:
*/
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 VFMT_FLOAT_32;
case PIPE_FORMAT_R32_FIXED:
return VFMT_FIXED_32;
/* 64-bit buffers. */
case PIPE_FORMAT_R16G16B16A16_UNORM:
return VFMT_NORM_USHORT_16_16_16_16;
case PIPE_FORMAT_R16G16B16A16_SNORM:
return VFMT_NORM_SHORT_16_16_16_16;
case PIPE_FORMAT_R16G16B16A16_UINT:
return VFMT_USHORT_16_16_16_16;
case PIPE_FORMAT_R16G16B16A16_SINT:
return VFMT_SHORT_16_16_16_16;
case PIPE_FORMAT_R32G32_FLOAT:
case PIPE_FORMAT_L32A32_FLOAT:
return VFMT_FLOAT_32_32;
case PIPE_FORMAT_R32G32_FIXED:
return VFMT_FIXED_32_32;
/* TODO probably need gles3 blob drivers to find the 32bit int formats:
case PIPE_FORMAT_R32G32_SINT:
case PIPE_FORMAT_R32G32_UINT:
case PIPE_FORMAT_L32A32_UINT:
case PIPE_FORMAT_L32A32_SINT:
*/
/* 96-bit buffers. */
case PIPE_FORMAT_R32G32B32_FLOAT:
return VFMT_FLOAT_32_32_32;
case PIPE_FORMAT_R32G32B32_FIXED:
return VFMT_FIXED_32_32_32;
/* 128-bit buffers. */
case PIPE_FORMAT_R32G32B32A32_FLOAT:
return VFMT_FLOAT_32_32_32_32;
case PIPE_FORMAT_R32G32B32A32_FIXED:
return VFMT_FIXED_32_32_32_32;
/* TODO probably need gles3 blob drivers to find the 32bit int formats:
case PIPE_FORMAT_R32G32B32A32_SNORM:
case PIPE_FORMAT_R32G32B32A32_UNORM:
case PIPE_FORMAT_R32G32B32A32_SINT:
case PIPE_FORMAT_R32G32B32A32_UINT:
*/
default:
return ~0;
}
}
/* convert pipe format to texture sampler format: */
enum a3xx_tex_fmt
fd3_pipe2tex(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
return TFMT_NORM_UINT_8;
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
return TFMT_NORM_UINT_8_8_8_8;
case PIPE_FORMAT_Z24X8_UNORM:
return TFMT_NORM_UINT_X8Z24;
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
return TFMT_NORM_UINT_8_8_8_8;
case PIPE_FORMAT_Z16_UNORM:
return TFMT_NORM_UINT_8_8;
// TODO add more..
default:
return ~0;
}
}
enum a3xx_tex_fetchsize
fd3_pipe2fetchsize(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
return TFETCH_1_BYTE;
case PIPE_FORMAT_Z16_UNORM:
return TFETCH_2_BYTE;
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
return TFETCH_4_BYTE;
// TODO add more..
default:
return TFETCH_DISABLE; /* save default */
}
}
/* convert pipe format to MRT / copydest format used for render-target: */
enum a3xx_color_fmt
fd3_pipe2color(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
return RB_R8G8B8A8_UNORM;
case PIPE_FORMAT_Z16_UNORM:
return RB_Z16_UNORM;
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
/* for DEPTHX_24_8, blob driver also seems to use R8G8B8A8 fmt.. */
return RB_R8G8B8A8_UNORM;
case PIPE_FORMAT_R8_UNORM:
case PIPE_FORMAT_L8_UNORM:
return RB_A8_UNORM;
// TODO add more..
default:
return ~0;
}
}
enum a3xx_color_swap
fd3_pipe2swap(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
return WXYZ;
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
return WZYX;
default:
return WZYX;
}
}
static inline enum a3xx_tex_swiz
tex_swiz(unsigned swiz)
{
switch (swiz) {
default:
case PIPE_SWIZZLE_RED: return A3XX_TEX_X;
case PIPE_SWIZZLE_GREEN: return A3XX_TEX_Y;
case PIPE_SWIZZLE_BLUE: return A3XX_TEX_Z;
case PIPE_SWIZZLE_ALPHA: return A3XX_TEX_W;
case PIPE_SWIZZLE_ZERO: return A3XX_TEX_ZERO;
case PIPE_SWIZZLE_ONE: return A3XX_TEX_ONE;
}
}
uint32_t
fd3_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);
uint8_t swiz[] = {
swizzle_r, swizzle_g, swizzle_b, swizzle_a,
PIPE_SWIZZLE_ZERO, PIPE_SWIZZLE_ONE,
PIPE_SWIZZLE_ONE, PIPE_SWIZZLE_ONE,
};
return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(swiz[desc->swizzle[0]])) |
A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(swiz[desc->swizzle[1]])) |
A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(swiz[desc->swizzle[2]])) |
A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(swiz[desc->swizzle[3]]));
}
|
