| /* |
| * Copyright (c) 2016 Etnaviv 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. |
| * |
| * Authors: |
| * Christian Gmeiner <christian.gmeiner@gmail.com> |
| */ |
| |
| #include "etnaviv_format.h" |
| |
| #include "hw/common_3d.xml.h" |
| #include "hw/state.xml.h" |
| #include "hw/state_3d.xml.h" |
| |
| #include "pipe/p_defines.h" |
| |
| /* Specifies the table of all the formats and their features. Also supplies |
| * the helpers that look up various data in those tables. |
| */ |
| |
| struct etna_format { |
| unsigned vtx; |
| unsigned tex; |
| unsigned pe; |
| bool present; |
| }; |
| |
| #define PE_FORMAT_NONE ~0 |
| |
| #define PE_FORMAT_MASK 0x7f |
| #define PE_FORMAT(x) ((x) & PE_FORMAT_MASK) |
| #define PE_FORMAT_RB_SWAP 0x80 |
| |
| #define PE_FORMAT_X8B8G8R8 (PE_FORMAT_X8R8G8B8 | PE_FORMAT_RB_SWAP) |
| #define PE_FORMAT_A8B8G8R8 (PE_FORMAT_A8R8G8B8 | PE_FORMAT_RB_SWAP) |
| |
| #define TS_SAMPLER_FORMAT_NONE ETNA_NO_MATCH |
| |
| /* vertex + texture */ |
| #define VT(pipe, vtxfmt, texfmt, rsfmt) \ |
| [PIPE_FORMAT_##pipe] = { \ |
| .vtx = FE_DATA_TYPE_##vtxfmt, \ |
| .tex = TEXTURE_FORMAT_##texfmt, \ |
| .pe = PE_FORMAT_##rsfmt, \ |
| .present = 1, \ |
| } |
| |
| /* texture-only */ |
| #define _T(pipe, fmt, rsfmt) \ |
| [PIPE_FORMAT_##pipe] = { \ |
| .vtx = ETNA_NO_MATCH, \ |
| .tex = TEXTURE_FORMAT_##fmt, \ |
| .pe = PE_FORMAT_##rsfmt, \ |
| .present = 1, \ |
| } |
| |
| /* vertex-only */ |
| #define V_(pipe, fmt, rsfmt) \ |
| [PIPE_FORMAT_##pipe] = { \ |
| .vtx = FE_DATA_TYPE_##fmt, \ |
| .tex = ETNA_NO_MATCH, \ |
| .pe = PE_FORMAT_##rsfmt, \ |
| .present = 1, \ |
| } |
| |
| static struct etna_format formats[PIPE_FORMAT_COUNT] = { |
| /* 8-bit */ |
| VT(R8_UNORM, UNSIGNED_BYTE, L8, R8), |
| VT(R8_SNORM, BYTE, EXT_R8_SNORM | EXT_FORMAT, NONE), |
| VT(R8_UINT, BYTE_I, EXT_R8I | EXT_FORMAT, R8I), |
| VT(R8_SINT, BYTE_I, EXT_R8I | EXT_FORMAT, R8I), |
| V_(R8_USCALED, UNSIGNED_BYTE, NONE), |
| V_(R8_SSCALED, BYTE, NONE), |
| |
| _T(A8_UNORM, A8, NONE), |
| _T(L8_UNORM, L8, NONE), |
| _T(I8_UNORM, I8, NONE), |
| |
| /* 16-bit */ |
| V_(R16_UNORM, UNSIGNED_SHORT, NONE), |
| V_(R16_SNORM, SHORT, NONE), |
| VT(R16_UINT, SHORT_I, EXT_R16I | EXT_FORMAT, R16I), |
| VT(R16_SINT, SHORT_I, EXT_R16I | EXT_FORMAT, R16I), |
| V_(R16_USCALED, UNSIGNED_SHORT, NONE), |
| V_(R16_SSCALED, SHORT, NONE), |
| VT(R16_FLOAT, HALF_FLOAT, EXT_R16F | EXT_FORMAT, R16F), |
| |
| _T(B4G4R4A4_UNORM, A4R4G4B4, A4R4G4B4), |
| _T(B4G4R4X4_UNORM, X4R4G4B4, X4R4G4B4), |
| |
| _T(L8A8_UNORM, A8L8, NONE), |
| |
| _T(Z16_UNORM, D16, NONE), |
| _T(B5G6R5_UNORM, R5G6B5, R5G6B5), |
| _T(B5G5R5A1_UNORM, A1R5G5B5, A1R5G5B5), |
| _T(B5G5R5X1_UNORM, X1R5G5B5, X1R5G5B5), |
| |
| VT(R8G8_UNORM, UNSIGNED_BYTE, EXT_G8R8 | EXT_FORMAT, G8R8), |
| VT(R8G8_SNORM, BYTE, EXT_G8R8_SNORM | EXT_FORMAT, NONE), |
| VT(R8G8_UINT, BYTE_I, EXT_G8R8I | EXT_FORMAT, G8R8I), |
| VT(R8G8_SINT, BYTE_I, EXT_G8R8I | EXT_FORMAT, G8R8I), |
| V_(R8G8_USCALED, UNSIGNED_BYTE, NONE), |
| V_(R8G8_SSCALED, BYTE, NONE), |
| |
| /* 24-bit */ |
| V_(R8G8B8_UNORM, UNSIGNED_BYTE, NONE), |
| V_(R8G8B8_SNORM, BYTE, NONE), |
| V_(R8G8B8_UINT, BYTE_I, NONE), |
| V_(R8G8B8_SINT, BYTE_I, NONE), |
| V_(R8G8B8_USCALED, UNSIGNED_BYTE, NONE), |
| V_(R8G8B8_SSCALED, BYTE, NONE), |
| |
| /* 32-bit */ |
| V_(R32_UNORM, UNSIGNED_INT, NONE), |
| V_(R32_SNORM, INT, NONE), |
| VT(R32_SINT, FLOAT, EXT_R32F | EXT_FORMAT, R32F), |
| VT(R32_UINT, FLOAT, EXT_R32F | EXT_FORMAT, R32F), |
| V_(R32_USCALED, UNSIGNED_INT, NONE), |
| V_(R32_SSCALED, INT, NONE), |
| VT(R32_FLOAT, FLOAT, EXT_R32F | EXT_FORMAT, R32F), |
| V_(R32_FIXED, FIXED, NONE), |
| |
| V_(R16G16_UNORM, UNSIGNED_SHORT, NONE), |
| V_(R16G16_SNORM, SHORT, NONE), |
| VT(R16G16_UINT, SHORT_I, EXT_G16R16I | EXT_FORMAT, G16R16I), |
| VT(R16G16_SINT, SHORT_I, EXT_G16R16I | EXT_FORMAT, G16R16I), |
| V_(R16G16_USCALED, UNSIGNED_SHORT, NONE), |
| V_(R16G16_SSCALED, SHORT, NONE), |
| VT(R16G16_FLOAT, HALF_FLOAT, EXT_G16R16F | EXT_FORMAT, G16R16F), |
| |
| V_(A8B8G8R8_UNORM, UNSIGNED_BYTE, NONE), |
| |
| VT(R8G8B8A8_UNORM, UNSIGNED_BYTE, A8B8G8R8, A8B8G8R8), |
| VT(R8G8B8A8_SNORM, BYTE, EXT_A8B8G8R8_SNORM | EXT_FORMAT, NONE), |
| _T(R8G8B8X8_UNORM, X8B8G8R8, X8B8G8R8), |
| _T(R8G8B8X8_SNORM, EXT_X8B8G8R8_SNORM | EXT_FORMAT, NONE), |
| VT(R8G8B8A8_UINT, BYTE_I, EXT_A8B8G8R8I | EXT_FORMAT, A8B8G8R8I), |
| VT(R8G8B8A8_SINT, BYTE_I, EXT_A8B8G8R8I | EXT_FORMAT, A8B8G8R8I), |
| V_(R8G8B8A8_USCALED, UNSIGNED_BYTE, A8B8G8R8), |
| V_(R8G8B8A8_SSCALED, BYTE, A8B8G8R8), |
| |
| _T(B8G8R8A8_UNORM, A8R8G8B8, A8R8G8B8), |
| _T(B8G8R8X8_UNORM, X8R8G8B8, X8R8G8B8), |
| |
| VT(R10G10B10A2_UNORM, UNSIGNED_INT_2_10_10_10_REV, EXT_A2B10G10R10 | EXT_FORMAT, A2B10G10R10), |
| _T(R10G10B10X2_UNORM, EXT_A2B10G10R10 | EXT_FORMAT, A2B10G10R10), |
| V_(R10G10B10A2_SNORM, INT_2_10_10_10_REV, NONE), |
| _T(R10G10B10A2_UINT, EXT_A2B10G10R10UI | EXT_FORMAT, A2B10G10R10UI), |
| V_(R10G10B10A2_USCALED, UNSIGNED_INT_2_10_10_10_REV, NONE), |
| V_(R10G10B10A2_SSCALED, INT_2_10_10_10_REV, NONE), |
| |
| _T(X8Z24_UNORM, D24X8, NONE), |
| _T(S8_UINT_Z24_UNORM, D24X8, NONE), |
| |
| _T(R9G9B9E5_FLOAT, E5B9G9R9, NONE), |
| _T(R11G11B10_FLOAT, EXT_B10G11R11F | EXT_FORMAT, B10G11R11F), |
| |
| /* 48-bit */ |
| V_(R16G16B16_UNORM, UNSIGNED_SHORT, NONE), |
| V_(R16G16B16_SNORM, SHORT, NONE), |
| V_(R16G16B16_UINT, SHORT_I, NONE), |
| V_(R16G16B16_SINT, SHORT_I, NONE), |
| V_(R16G16B16_USCALED, UNSIGNED_SHORT, NONE), |
| V_(R16G16B16_SSCALED, SHORT, NONE), |
| V_(R16G16B16_FLOAT, HALF_FLOAT, NONE), |
| |
| /* 64-bit */ |
| V_(R16G16B16A16_UNORM, UNSIGNED_SHORT, NONE), |
| V_(R16G16B16A16_SNORM, SHORT, NONE), |
| VT(R16G16B16A16_UINT, SHORT_I, EXT_A16B16G16R16I | EXT_FORMAT, A16B16G16R16I), |
| VT(R16G16B16A16_SINT, SHORT_I, EXT_A16B16G16R16I | EXT_FORMAT, A16B16G16R16I), |
| V_(R16G16B16A16_USCALED, UNSIGNED_SHORT, NONE), |
| V_(R16G16B16A16_SSCALED, SHORT, NONE), |
| VT(R16G16B16A16_FLOAT, HALF_FLOAT, EXT_A16B16G16R16F | EXT_FORMAT, A16B16G16R16F), |
| |
| V_(R32G32_UNORM, UNSIGNED_INT, NONE), |
| V_(R32G32_SNORM, INT, NONE), |
| VT(R32G32_UINT, FLOAT, EXT_G32R32F | EXT_FORMAT, G32R32F), |
| VT(R32G32_SINT, FLOAT, EXT_G32R32F | EXT_FORMAT, G32R32F), |
| V_(R32G32_USCALED, UNSIGNED_INT, NONE), |
| V_(R32G32_SSCALED, INT, NONE), |
| VT(R32G32_FLOAT, FLOAT, EXT_G32R32F | EXT_FORMAT, G32R32F), |
| V_(R32G32_FIXED, FIXED, NONE), |
| |
| /* 96-bit */ |
| V_(R32G32B32_UNORM, UNSIGNED_INT, NONE), |
| V_(R32G32B32_SNORM, INT, NONE), |
| V_(R32G32B32_UINT, FLOAT, NONE), |
| V_(R32G32B32_SINT, FLOAT, NONE), |
| V_(R32G32B32_USCALED, UNSIGNED_INT, NONE), |
| V_(R32G32B32_SSCALED, INT, NONE), |
| V_(R32G32B32_FLOAT, FLOAT, NONE), |
| V_(R32G32B32_FIXED, FIXED, NONE), |
| |
| /* 128-bit */ |
| V_(R32G32B32A32_UNORM, UNSIGNED_INT, NONE), |
| V_(R32G32B32A32_SNORM, INT, NONE), |
| V_(R32G32B32A32_UINT, FLOAT, NONE), |
| V_(R32G32B32A32_SINT, FLOAT, NONE), |
| V_(R32G32B32A32_USCALED, UNSIGNED_INT, NONE), |
| V_(R32G32B32A32_SSCALED, INT, NONE), |
| V_(R32G32B32A32_FLOAT, FLOAT, NONE), |
| V_(R32G32B32A32_FIXED, FIXED, NONE), |
| |
| /* compressed */ |
| _T(ETC1_RGB8, ETC1, NONE), |
| |
| _T(DXT1_RGB, DXT1, NONE), |
| _T(DXT1_RGBA, DXT1, NONE), |
| _T(DXT3_RGBA, DXT2_DXT3, NONE), |
| _T(DXT5_RGBA, DXT4_DXT5, NONE), |
| |
| _T(ETC2_RGB8, EXT_NONE | EXT_FORMAT, NONE), /* Extd. format NONE doubles as ETC2_RGB8 */ |
| _T(ETC2_RGB8A1, EXT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 | EXT_FORMAT, NONE), |
| _T(ETC2_RGBA8, EXT_RGBA8_ETC2_EAC | EXT_FORMAT, NONE), |
| _T(ETC2_R11_UNORM, EXT_R11_EAC | EXT_FORMAT, NONE), |
| _T(ETC2_R11_SNORM, EXT_SIGNED_R11_EAC | EXT_FORMAT, NONE), |
| _T(ETC2_RG11_UNORM, EXT_RG11_EAC | EXT_FORMAT, NONE), |
| _T(ETC2_RG11_SNORM, EXT_SIGNED_RG11_EAC | EXT_FORMAT, NONE), |
| |
| _T(ASTC_4x4, ASTC_RGBA_4x4 | ASTC_FORMAT, NONE), |
| _T(ASTC_5x4, ASTC_RGBA_5x4 | ASTC_FORMAT, NONE), |
| _T(ASTC_5x5, ASTC_RGBA_5x5 | ASTC_FORMAT, NONE), |
| _T(ASTC_6x5, ASTC_RGBA_6x5 | ASTC_FORMAT, NONE), |
| _T(ASTC_6x6, ASTC_RGBA_6x6 | ASTC_FORMAT, NONE), |
| _T(ASTC_8x5, ASTC_RGBA_8x5 | ASTC_FORMAT, NONE), |
| _T(ASTC_8x6, ASTC_RGBA_8x6 | ASTC_FORMAT, NONE), |
| _T(ASTC_8x8, ASTC_RGBA_8x8 | ASTC_FORMAT, NONE), |
| _T(ASTC_10x5, ASTC_RGBA_10x5 | ASTC_FORMAT, NONE), |
| _T(ASTC_10x6, ASTC_RGBA_10x6 | ASTC_FORMAT, NONE), |
| _T(ASTC_10x8, ASTC_RGBA_10x8 | ASTC_FORMAT, NONE), |
| _T(ASTC_10x10, ASTC_RGBA_10x10 | ASTC_FORMAT, NONE), |
| _T(ASTC_12x10, ASTC_RGBA_12x10 | ASTC_FORMAT, NONE), |
| _T(ASTC_12x12, ASTC_RGBA_12x12 | ASTC_FORMAT, NONE), |
| |
| /* YUV */ |
| _T(YUYV, YUY2, YUY2), |
| _T(UYVY, UYVY, NONE), |
| }; |
| |
| uint32_t |
| translate_texture_format(enum pipe_format fmt) |
| { |
| fmt = util_format_linear(fmt); |
| |
| if (!formats[fmt].present) |
| return ETNA_NO_MATCH; |
| |
| return formats[fmt].tex; |
| } |
| |
| bool |
| texture_use_int_filter(const struct pipe_sampler_view *sv, |
| const struct pipe_sampler_state *ss, |
| bool tex_desc) |
| { |
| switch (sv->target) { |
| case PIPE_TEXTURE_1D_ARRAY: |
| case PIPE_TEXTURE_2D_ARRAY: |
| if (tex_desc) |
| break; |
| /* fallthrough */ |
| case PIPE_TEXTURE_3D: |
| return false; |
| default: |
| break; |
| } |
| |
| /* only unorm formats can use int filter */ |
| if (!util_format_is_unorm(sv->format)) |
| return false; |
| |
| if (util_format_is_srgb(sv->format)) |
| return false; |
| |
| if (util_format_description(sv->format)->layout == UTIL_FORMAT_LAYOUT_ASTC) |
| return false; |
| |
| if (ss->max_anisotropy > 1) |
| return false; |
| |
| switch (sv->format) { |
| /* apparently D16 can't use int filter but D24 can */ |
| case PIPE_FORMAT_Z16_UNORM: |
| case PIPE_FORMAT_R10G10B10A2_UNORM: |
| case PIPE_FORMAT_R10G10B10X2_UNORM: |
| case PIPE_FORMAT_ETC2_R11_UNORM: |
| case PIPE_FORMAT_ETC2_RG11_UNORM: |
| return false; |
| default: |
| return true; |
| } |
| } |
| |
| bool |
| texture_format_needs_swiz(enum pipe_format fmt) |
| { |
| return util_format_linear(fmt) == PIPE_FORMAT_R8_UNORM; |
| } |
| |
| uint32_t |
| get_texture_swiz(enum pipe_format fmt, unsigned swizzle_r, |
| unsigned swizzle_g, unsigned swizzle_b, unsigned swizzle_a) |
| { |
| unsigned char swiz[4] = { |
| swizzle_r, swizzle_g, swizzle_b, swizzle_a, |
| }; |
| |
| if (util_format_linear(fmt) == PIPE_FORMAT_R8_UNORM) { |
| /* R8 is emulated with L8, needs yz channels set to zero */ |
| for (unsigned i = 0; i < 4; i++) { |
| if (swiz[i] == PIPE_SWIZZLE_Y || swiz[i] == PIPE_SWIZZLE_Z) |
| swiz[i] = PIPE_SWIZZLE_0; |
| } |
| } |
| |
| /* PIPE_SWIZZLE_ maps 1:1 to TEXTURE_SWIZZLE_ */ |
| STATIC_ASSERT(PIPE_SWIZZLE_X == TEXTURE_SWIZZLE_RED); |
| STATIC_ASSERT(PIPE_SWIZZLE_Y == TEXTURE_SWIZZLE_GREEN); |
| STATIC_ASSERT(PIPE_SWIZZLE_Z == TEXTURE_SWIZZLE_BLUE); |
| STATIC_ASSERT(PIPE_SWIZZLE_W == TEXTURE_SWIZZLE_ALPHA); |
| STATIC_ASSERT(PIPE_SWIZZLE_0 == TEXTURE_SWIZZLE_ZERO); |
| STATIC_ASSERT(PIPE_SWIZZLE_1 == TEXTURE_SWIZZLE_ONE); |
| |
| return VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(swiz[0]) | |
| VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(swiz[1]) | |
| VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(swiz[2]) | |
| VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(swiz[3]); |
| } |
| |
| uint32_t |
| translate_pe_format(enum pipe_format fmt) |
| { |
| fmt = util_format_linear(fmt); |
| |
| if (!formats[fmt].present) |
| return ETNA_NO_MATCH; |
| |
| if (formats[fmt].pe == ETNA_NO_MATCH) |
| return ETNA_NO_MATCH; |
| |
| return PE_FORMAT(formats[fmt].pe); |
| } |
| |
| int |
| translate_pe_format_rb_swap(enum pipe_format fmt) |
| { |
| fmt = util_format_linear(fmt); |
| assert(formats[fmt].present); |
| |
| return formats[fmt].pe & PE_FORMAT_RB_SWAP; |
| } |
| |
| /* Return type flags for vertex element format */ |
| uint32_t |
| translate_vertex_format_type(enum pipe_format fmt) |
| { |
| if (!formats[fmt].present) |
| return ETNA_NO_MATCH; |
| |
| return formats[fmt].vtx; |
| } |
