| /* |
| * Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be> |
| * Copyright (c) 2018-2019 Lima Project |
| * |
| * 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 |
| * 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. |
| * |
| */ |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #include "util/format/u_format.h" |
| #include <util/macros.h> |
| |
| #include "lima_format.h" |
| #include "genxml/lima_pack.h" |
| |
| #define LIMA_PIXEL_FORMAT_B5G6R5 0x00 |
| #define LIMA_PIXEL_FORMAT_B5G5R5A1 0x01 |
| #define LIMA_PIXEL_FORMAT_B4G4R4A4 0x02 |
| #define LIMA_PIXEL_FORMAT_B8G8R8A8 0x03 |
| #define LIMA_PIXEL_FORMAT_B8 0x04 |
| #define LIMA_PIXEL_FORMAT_G8B8 0x05 |
| #define LIMA_PIXEL_FORMAT_B16G16R16A16_FLOAT 0x06 |
| #define LIMA_PIXEL_FORMAT_B16_FLOAT 0x07 |
| #define LIMA_PIXEL_FORMAT_G16B16_FLOAT 0x08 |
| #define LIMA_PIXEL_FORMAT_Z16 0x0e |
| #define LIMA_PIXEL_FORMAT_Z24S8 0x0f |
| |
| struct lima_format { |
| bool present; |
| int format; |
| bool swap_r_b; |
| union { |
| struct LIMA_TILEBUFFER_CHANNEL_LAYOUT channel_layout; |
| uint8_t swizzle[4]; |
| }; |
| }; |
| |
| #define SWIZ(x,y,z,w) { \ |
| PIPE_SWIZZLE_##x, \ |
| PIPE_SWIZZLE_##y, \ |
| PIPE_SWIZZLE_##z, \ |
| PIPE_SWIZZLE_##w \ |
| } |
| |
| #define LAYOUT(a,b,g,r) { \ |
| r, g, b, a \ |
| } |
| |
| #define LIMA_TEXEL_FORMAT(pipe, tex, swap, swiz) \ |
| [PIPE_FORMAT_##pipe] = { \ |
| .present = true, .format = LIMA_TEXEL_FORMAT_##tex, \ |
| .swap_r_b = swap, .swizzle = swiz \ |
| } |
| |
| #define LIMA_PIXEL_FORMAT(pipe, pix, swap, ch_layout) \ |
| [PIPE_FORMAT_##pipe] = { \ |
| .present = true, .format = LIMA_PIXEL_FORMAT_##pix, \ |
| .swap_r_b = swap, .channel_layout = ch_layout \ |
| } |
| |
| static const struct lima_format lima_texel_formats[] = { |
| LIMA_TEXEL_FORMAT(R8G8B8A8_UNORM, RGBA_8888, true, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(B8G8R8A8_UNORM, RGBA_8888, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(R8G8B8A8_SRGB, RGBA_8888, true, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(B8G8R8A8_SRGB, RGBA_8888, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(R8G8B8X8_UNORM, RGBX_8888, true, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(B8G8R8X8_UNORM, RGBX_8888, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(B5G6R5_UNORM, BGR_565, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(B5G5R5A1_UNORM, BGRA_5551, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(B4G4R4A4_UNORM, BGRA_4444, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(Z24_UNORM_S8_UINT, Z24X8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(Z24X8_UNORM, Z24X8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(Z16_UNORM, L16, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(L16_UNORM, L16, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(L8_UNORM, L8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(A16_UNORM, A16, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(A8_UNORM, A8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(I16_UNORM, I16, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(I8_UNORM, I8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(L8A8_UNORM, L8A8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(ETC1_RGB8, ETC1_RGB8, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(R8_UNORM, L8, false, SWIZ(X, 0, 0, 1)), |
| LIMA_TEXEL_FORMAT(R8G8_UNORM, L8A8, false, SWIZ(X, W, 0, 1)), |
| #if 0 |
| /* TODO: re-enable this */ |
| LIMA_TEXEL_FORMAT(R16G16B16_FLOAT, R16G16B16_FLOAT, true, SWIZ(X, Y, Z, W)), |
| #endif |
| LIMA_TEXEL_FORMAT(R16G16B16A16_FLOAT, R16G16B16A16_FLOAT, true, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(L16_FLOAT, L16_FLOAT, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(A16_FLOAT, A16_FLOAT, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(I16_FLOAT, I16_FLOAT, false, SWIZ(X, Y, Z, W)), |
| LIMA_TEXEL_FORMAT(L16A16_FLOAT, L16A16_FLOAT, false, SWIZ(X, Y, Z, W)), |
| }; |
| |
| static const struct lima_format lima_pixel_formats[] = { |
| LIMA_PIXEL_FORMAT(R8G8B8A8_UNORM, B8G8R8A8, true, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(B8G8R8A8_UNORM, B8G8R8A8, false, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(R8G8B8A8_SRGB, B8G8R8A8, true, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(B8G8R8A8_SRGB, B8G8R8A8, false, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(R8G8B8X8_UNORM, B8G8R8A8, true, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(B8G8R8X8_UNORM, B8G8R8A8, false, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(B5G6R5_UNORM, B5G6R5, false, LAYOUT(8, 5, 6, 5)), |
| LIMA_PIXEL_FORMAT(B5G5R5A1_UNORM, B5G5R5A1, false, LAYOUT(8, 5, 6, 5)), |
| LIMA_PIXEL_FORMAT(B4G4R4A4_UNORM, B4G4R4A4, false, LAYOUT(8, 4, 4, 4)), |
| LIMA_PIXEL_FORMAT(R8_UNORM, B8, true, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(L8_UNORM, B8, true, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(I8_UNORM, B8, true, LAYOUT(8, 8, 8, 8)), |
| LIMA_PIXEL_FORMAT(R8G8_UNORM, G8B8, true, LAYOUT(0, 0, 0, 0)), |
| LIMA_PIXEL_FORMAT(Z16_UNORM, Z16, false, LAYOUT(0, 0, 0, 0)), |
| LIMA_PIXEL_FORMAT(Z24_UNORM_S8_UINT, Z24S8, false, LAYOUT(0, 0, 0, 0)), |
| LIMA_PIXEL_FORMAT(Z24X8_UNORM, Z24S8, false, LAYOUT(0, 0, 0, 0)), |
| LIMA_PIXEL_FORMAT(R16G16B16A16_FLOAT, B16G16R16A16_FLOAT, true, LAYOUT(0, 0, 0, 0)), |
| LIMA_PIXEL_FORMAT(R16_FLOAT, B16_FLOAT, true, LAYOUT(0, 0, 0, 0)), |
| LIMA_PIXEL_FORMAT(R16G16_FLOAT, G16B16_FLOAT, true, LAYOUT(0, 0, 0, 0)), |
| }; |
| |
| static const struct lima_format * |
| get_texel_format(enum pipe_format f) |
| { |
| if (f >= ARRAY_SIZE(lima_texel_formats) || |
| !lima_texel_formats[f].present) |
| return NULL; |
| |
| return lima_texel_formats + f; |
| } |
| |
| static const struct lima_format * |
| get_pixel_format(enum pipe_format f) |
| { |
| if (f >= ARRAY_SIZE(lima_pixel_formats) || |
| !lima_pixel_formats[f].present) |
| return NULL; |
| |
| return lima_pixel_formats + f; |
| } |
| |
| bool |
| lima_format_texel_supported(enum pipe_format f) |
| { |
| const struct lima_format *lf = get_texel_format(f); |
| |
| if (!lf) |
| return false; |
| |
| return true; |
| } |
| |
| bool |
| lima_format_pixel_supported(enum pipe_format f) |
| { |
| const struct lima_format *lf = get_pixel_format(f); |
| |
| if (!lf) |
| return false; |
| |
| return true; |
| } |
| |
| int |
| lima_format_get_texel(enum pipe_format f) |
| { |
| return lima_texel_formats[f].format; |
| } |
| |
| int |
| lima_format_get_texel_reload(enum pipe_format f) |
| { |
| switch (f) { |
| case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
| case PIPE_FORMAT_Z24X8_UNORM: |
| return LIMA_TEXEL_FORMAT_Z24S8_RLD; |
| default: |
| return lima_format_get_texel(f); |
| } |
| } |
| |
| int |
| lima_format_get_pixel(enum pipe_format f) |
| { |
| return lima_pixel_formats[f].format; |
| } |
| |
| bool |
| lima_format_get_texel_swap_rb(enum pipe_format f) |
| { |
| return lima_texel_formats[f].swap_r_b; |
| } |
| |
| bool |
| lima_format_get_pixel_swap_rb(enum pipe_format f) |
| { |
| return lima_pixel_formats[f].swap_r_b; |
| } |
| |
| const uint8_t * |
| lima_format_get_texel_swizzle(enum pipe_format f) |
| { |
| return lima_texel_formats[f].swizzle; |
| } |
| |
| struct LIMA_TILEBUFFER_CHANNEL_LAYOUT |
| lima_format_get_channel_layout(enum pipe_format f) |
| { |
| return lima_pixel_formats[f].channel_layout; |
| } |
