diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/a3xx/fd3_format.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_format.c | 453 |
1 files changed, 453 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_format.c b/src/gallium/drivers/freedreno/a3xx/fd3_format.c new file mode 100644 index 00000000000..a70acebd626 --- /dev/null +++ b/src/gallium/drivers/freedreno/a3xx/fd3_format.c @@ -0,0 +1,453 @@ +/* -*- 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_format.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_R8_UNORM: + return VFMT_NORM_UBYTE_8; + + case PIPE_FORMAT_R8_SNORM: + return VFMT_NORM_BYTE_8; + + case PIPE_FORMAT_R8_UINT: + case PIPE_FORMAT_R8_USCALED: + return VFMT_UBYTE_8; + + case PIPE_FORMAT_R8_SINT: + case PIPE_FORMAT_R8_SSCALED: + return VFMT_BYTE_8; + + /* 16-bit buffers. */ + case PIPE_FORMAT_R16_UNORM: + case PIPE_FORMAT_Z16_UNORM: + return VFMT_NORM_USHORT_16; + + case PIPE_FORMAT_R16_SNORM: + return VFMT_NORM_SHORT_16; + + case PIPE_FORMAT_R16_UINT: + case PIPE_FORMAT_R16_USCALED: + return VFMT_USHORT_16; + + case PIPE_FORMAT_R16_SINT: + case PIPE_FORMAT_R16_SSCALED: + return VFMT_SHORT_16; + + case PIPE_FORMAT_R16_FLOAT: + return VFMT_FLOAT_16; + + case PIPE_FORMAT_R8G8_UNORM: + return VFMT_NORM_UBYTE_8_8; + + case PIPE_FORMAT_R8G8_SNORM: + return VFMT_NORM_BYTE_8_8; + + case PIPE_FORMAT_R8G8_UINT: + case PIPE_FORMAT_R8G8_USCALED: + return VFMT_UBYTE_8_8; + + case PIPE_FORMAT_R8G8_SINT: + case PIPE_FORMAT_R8G8_SSCALED: + 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: + case PIPE_FORMAT_R8G8B8_USCALED: + return VFMT_UBYTE_8_8_8; + + case PIPE_FORMAT_R8G8B8_SINT: + case PIPE_FORMAT_R8G8B8_SSCALED: + 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_R8G8B8A8_UNORM: + return VFMT_NORM_UBYTE_8_8_8_8; + + case PIPE_FORMAT_R8G8B8A8_SNORM: + return VFMT_NORM_BYTE_8_8_8_8; + + case PIPE_FORMAT_R8G8B8A8_UINT: + case PIPE_FORMAT_R8G8B8A8_USCALED: + return VFMT_UBYTE_8_8_8_8; + + case PIPE_FORMAT_R8G8B8A8_SINT: + case PIPE_FORMAT_R8G8B8A8_SSCALED: + return VFMT_BYTE_8_8_8_8; + + case PIPE_FORMAT_R16G16_SSCALED: + case PIPE_FORMAT_R16G16_SINT: + return VFMT_SHORT_16_16; + + case PIPE_FORMAT_R16G16_FLOAT: + return VFMT_FLOAT_16_16; + + case PIPE_FORMAT_R16G16_UINT: + case PIPE_FORMAT_R16G16_USCALED: + return VFMT_USHORT_16_16; + + case PIPE_FORMAT_R16G16_UNORM: + return VFMT_NORM_USHORT_16_16; + + case PIPE_FORMAT_R16G16_SNORM: + return VFMT_NORM_SHORT_16_16; + + case PIPE_FORMAT_R32_UINT: + case PIPE_FORMAT_R32_USCALED: + return VFMT_UINT_32; + + case PIPE_FORMAT_R32_SINT: + case PIPE_FORMAT_R32_SSCALED: + return VFMT_INT_32; + + case PIPE_FORMAT_R10G10B10A2_UNORM: + return VFMT_NORM_UINT_10_10_10_2; + + case PIPE_FORMAT_R10G10B10A2_SNORM: + return VFMT_NORM_INT_10_10_10_2; + + case PIPE_FORMAT_R10G10B10A2_UINT: + case PIPE_FORMAT_R10G10B10A2_USCALED: + return VFMT_UINT_10_10_10_2; + + case PIPE_FORMAT_R10G10B10A2_SSCALED: + return VFMT_INT_10_10_10_2; + + /* 48-bit buffers. */ + case PIPE_FORMAT_R16G16B16_FLOAT: + return VFMT_FLOAT_16_16_16; + + case PIPE_FORMAT_R16G16B16_SINT: + case PIPE_FORMAT_R16G16B16_SSCALED: + return VFMT_SHORT_16_16_16; + + case PIPE_FORMAT_R16G16B16_UINT: + case PIPE_FORMAT_R16G16B16_USCALED: + return VFMT_USHORT_16_16_16; + + case PIPE_FORMAT_R16G16B16_SNORM: + return VFMT_NORM_SHORT_16_16_16; + + case PIPE_FORMAT_R16G16B16_UNORM: + return VFMT_NORM_USHORT_16_16_16; + + case PIPE_FORMAT_R32_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: + case PIPE_FORMAT_R16G16B16A16_USCALED: + return VFMT_USHORT_16_16_16_16; + + case PIPE_FORMAT_R16G16B16A16_SINT: + case PIPE_FORMAT_R16G16B16A16_SSCALED: + return VFMT_SHORT_16_16_16_16; + + case PIPE_FORMAT_R32G32_FLOAT: + return VFMT_FLOAT_32_32; + + case PIPE_FORMAT_R32G32_FIXED: + return VFMT_FIXED_32_32; + + case PIPE_FORMAT_R16G16B16A16_FLOAT: + return VFMT_FLOAT_16_16_16_16; + + case PIPE_FORMAT_R32G32_UINT: + case PIPE_FORMAT_R32G32_USCALED: + return VFMT_UINT_32_32; + + case PIPE_FORMAT_R32G32_SINT: + case PIPE_FORMAT_R32G32_SSCALED: + return VFMT_INT_32_32; + + /* 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; + + case PIPE_FORMAT_R32G32B32_UINT: + case PIPE_FORMAT_R32G32B32_USCALED: + return VFMT_UINT_32_32_32; + + case PIPE_FORMAT_R32G32B32_SINT: + case PIPE_FORMAT_R32G32B32_SSCALED: + return VFMT_INT_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; + + case PIPE_FORMAT_R32G32B32A32_UINT: + case PIPE_FORMAT_R32G32B32A32_USCALED: + return VFMT_UINT_32_32_32_32; + + case PIPE_FORMAT_R32G32B32A32_SINT: + case PIPE_FORMAT_R32G32B32A32_SSCALED: + return VFMT_INT_32_32_32_32; + +/* TODO normalized 32bit int formats do not appear to be supported + * natively.. will require either shader variant or VFD_DECODE + * gymnastics like the blob driver does.. + case PIPE_FORMAT_R32G32B32A32_SNORM: + case PIPE_FORMAT_R32G32B32A32_UNORM: + */ + + 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_R8G8_UNORM: + return TFMT_NORM_UINT_8_8; + + case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_B8G8R8X8_UNORM: + case PIPE_FORMAT_R8G8B8A8_UNORM: + case PIPE_FORMAT_R8G8B8X8_UNORM: + case PIPE_FORMAT_B8G8R8A8_SRGB: + case PIPE_FORMAT_B8G8R8X8_SRGB: + case PIPE_FORMAT_R8G8B8A8_SRGB: + case PIPE_FORMAT_R8G8B8X8_SRGB: + return TFMT_NORM_UINT_8_8_8_8; + + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_UINT: + return TFMT_NORM_UINT_X8Z24; + + case PIPE_FORMAT_Z16_UNORM: + return TFMT_NORM_USHORT_Z16; + + case PIPE_FORMAT_R16G16B16A16_FLOAT: + case PIPE_FORMAT_R16G16B16X16_FLOAT: + return TFMT_FLOAT_16_16_16_16; + + case PIPE_FORMAT_R32G32B32A32_FLOAT: + case PIPE_FORMAT_R32G32B32X32_FLOAT: + return TFMT_FLOAT_32_32_32_32; + + // 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_R8G8B8A8_UNORM: + case PIPE_FORMAT_R8G8B8X8_UNORM: + case PIPE_FORMAT_B8G8R8A8_SRGB: + case PIPE_FORMAT_B8G8R8X8_SRGB: + case PIPE_FORMAT_R8G8B8A8_SRGB: + case PIPE_FORMAT_R8G8B8X8_SRGB: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_UINT: + return TFETCH_4_BYTE; + + // TODO add more.. + + default: + return TFETCH_DISABLE; /* safe 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: + case PIPE_FORMAT_R8G8B8A8_UNORM: + return RB_R8G8B8A8_UNORM; + + case PIPE_FORMAT_Z16_UNORM: + return RB_R8G8_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_R8_UNORM; + + case PIPE_FORMAT_A8_UNORM: + return RB_A8_UNORM; + + case PIPE_FORMAT_R16G16B16A16_FLOAT: + case PIPE_FORMAT_R16G16B16X16_FLOAT: + return RB_R16G16B16A16_FLOAT; + + case PIPE_FORMAT_R32G32B32A32_FLOAT: + case PIPE_FORMAT_R32G32B32X32_FLOAT: + return RB_R32G32B32A32_FLOAT; + + // TODO add more.. + + default: + return ~0; + } +} + +/* we need to special case a bit the depth/stencil restore, because we are + * using the texture sampler to blit into the depth/stencil buffer, *not* + * into a color buffer. Otherwise fd3_tex_swiz() will do the wrong thing, + * as it is assuming that you are sampling into normal render target.. + */ +enum pipe_format +fd3_gmem_restore_format(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_UINT: + return PIPE_FORMAT_R8G8B8A8_UNORM; + case PIPE_FORMAT_Z16_UNORM: + return PIPE_FORMAT_R8G8_UNORM; + default: + return format; + } +} + +enum a3xx_color_swap +fd3_pipe2swap(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_B8G8R8X8_UNORM: + case PIPE_FORMAT_B8G8R8A8_SRGB: + case PIPE_FORMAT_B8G8R8X8_SRGB: + return WXYZ; + + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_X8R8G8B8_UNORM: + case PIPE_FORMAT_A8R8G8B8_SRGB: + case PIPE_FORMAT_X8R8G8B8_SRGB: + return ZYXW; + + case PIPE_FORMAT_A8B8G8R8_UNORM: + case PIPE_FORMAT_X8B8G8R8_UNORM: + case PIPE_FORMAT_A8B8G8R8_SRGB: + case PIPE_FORMAT_X8B8G8R8_SRGB: + return XYZW; + + case PIPE_FORMAT_R8G8B8A8_UNORM: + case PIPE_FORMAT_R8G8B8X8_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_UINT: + 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); + unsigned char swiz[4] = { + swizzle_r, swizzle_g, swizzle_b, swizzle_a, + }, rswiz[4]; + + util_format_compose_swizzles(desc->swizzle, swiz, rswiz); + + return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(rswiz[0])) | + A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(rswiz[1])) | + A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(rswiz[2])) | + A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(rswiz[3])); +} |