diff options
| -rw-r--r-- | src/video_core/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/video_core/engines/shader_header.h | 103 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 31 |
3 files changed, 111 insertions, 24 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt index 4a79ce39c..f5ae57039 100644 --- a/src/video_core/CMakeLists.txt +++ b/src/video_core/CMakeLists.txt @@ -14,6 +14,7 @@ add_library(video_core STATIC engines/maxwell_dma.cpp engines/maxwell_dma.h engines/shader_bytecode.h + engines/shader_header.h gpu.cpp gpu.h macro_interpreter.cpp diff --git a/src/video_core/engines/shader_header.h b/src/video_core/engines/shader_header.h new file mode 100644 index 000000000..a885ee3cf --- /dev/null +++ b/src/video_core/engines/shader_header.h @@ -0,0 +1,103 @@ +// Copyright 2018 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/bit_field.h" +#include "common/common_funcs.h" +#include "common/common_types.h" + +namespace Tegra::Shader { + +enum class OutputTopology : u32 { + PointList = 1, + LineStrip = 6, + TriangleStrip = 7, +}; + +// Documentation in: +// http://download.nvidia.com/open-gpu-doc/Shader-Program-Header/1/Shader-Program-Header.html#ImapTexture +struct Header { + union { + BitField<0, 5, u32> sph_type; + BitField<5, 5, u32> version; + BitField<10, 4, u32> shader_type; + BitField<14, 1, u32> mrt_enable; + BitField<15, 1, u32> kills_pixels; + BitField<16, 1, u32> does_global_store; + BitField<17, 4, u32> sass_version; + BitField<21, 5, u32> reserved; + BitField<26, 1, u32> does_load_or_store; + BitField<27, 1, u32> does_fp64; + BitField<28, 4, u32> stream_out_mask; + } common0; + + union { + BitField<0, 24, u32> shader_local_memory_low_size; + BitField<24, 8, u32> per_patch_attribute_count; + } common1; + + union { + BitField<0, 24, u32> shader_local_memory_high_size; + BitField<24, 8, u32> threads_per_input_primitive; + } common2; + + union { + BitField<0, 24, u32> shader_local_memory_crs_size; + BitField<24, 4, OutputTopology> output_topology; + BitField<28, 4, u32> reserved; + } common3; + + union { + BitField<0, 12, u32> max_output_vertices; + BitField<12, 8, u32> store_req_start; // NOTE: not used by geometry shaders. + BitField<24, 4, u32> reserved; + BitField<12, 8, u32> store_req_end; // NOTE: not used by geometry shaders. + } common4; + + union { + struct { + INSERT_PADDING_BYTES(3); // ImapSystemValuesA + INSERT_PADDING_BYTES(1); // ImapSystemValuesB + INSERT_PADDING_BYTES(16); // ImapGenericVector[32] + INSERT_PADDING_BYTES(2); // ImapColor + INSERT_PADDING_BYTES(2); // ImapSystemValuesC + INSERT_PADDING_BYTES(5); // ImapFixedFncTexture[10] + INSERT_PADDING_BYTES(1); // ImapReserved + INSERT_PADDING_BYTES(3); // OmapSystemValuesA + INSERT_PADDING_BYTES(1); // OmapSystemValuesB + INSERT_PADDING_BYTES(16); // OmapGenericVector[32] + INSERT_PADDING_BYTES(2); // OmapColor + INSERT_PADDING_BYTES(2); // OmapSystemValuesC + INSERT_PADDING_BYTES(5); // OmapFixedFncTexture[10] + INSERT_PADDING_BYTES(1); // OmapReserved + } vtg; + + struct { + INSERT_PADDING_BYTES(3); // ImapSystemValuesA + INSERT_PADDING_BYTES(1); // ImapSystemValuesB + INSERT_PADDING_BYTES(32); // ImapGenericVector[32] + INSERT_PADDING_BYTES(2); // ImapColor + INSERT_PADDING_BYTES(2); // ImapSystemValuesC + INSERT_PADDING_BYTES(10); // ImapFixedFncTexture[10] + INSERT_PADDING_BYTES(2); // ImapReserved + struct { + u32 target; + union { + BitField<0, 1, u32> sample_mask; + BitField<1, 1, u32> depth; + BitField<2, 30, u32> reserved; + }; + } omap; + bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const { + const u32 bit = render_target * 4 + component; + return omap.target & (1 << bit); + } + } ps; + }; +}; + +static_assert(sizeof(Header) == 0x50, "Incorrect structure size"); + +} // namespace Tegra::Shader diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 252ff18fc..a1638c12e 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -12,6 +12,7 @@ #include "common/assert.h" #include "common/common_types.h" #include "video_core/engines/shader_bytecode.h" +#include "video_core/engines/shader_header.h" #include "video_core/renderer_opengl/gl_rasterizer.h" #include "video_core/renderer_opengl/gl_shader_decompiler.h" @@ -26,7 +27,7 @@ using Tegra::Shader::Sampler; using Tegra::Shader::SubOp; constexpr u32 PROGRAM_END = MAX_PROGRAM_CODE_LENGTH; -constexpr u32 PROGRAM_HEADER_SIZE = 0x50; +constexpr u32 PROGRAM_HEADER_SIZE = sizeof(Tegra::Shader::Header); class DecompileFail : public std::runtime_error { public: @@ -674,7 +675,7 @@ public: u32 main_offset, Maxwell3D::Regs::ShaderStage stage, const std::string& suffix) : subroutines(subroutines), program_code(program_code), main_offset(main_offset), stage(stage), suffix(suffix) { - + std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header)); Generate(suffix); } @@ -688,23 +689,6 @@ public: } private: - // Shader program header for a Fragment Shader. - struct FragmentHeader { - INSERT_PADDING_WORDS(5); - INSERT_PADDING_WORDS(13); - u32 enabled_color_outputs; - union { - BitField<0, 1, u32> writes_samplemask; - BitField<1, 1, u32> writes_depth; - }; - - bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const { - const u32 bit = render_target * 4 + component; - return enabled_color_outputs & (1 << bit); - } - }; - static_assert(sizeof(FragmentHeader) == PROGRAM_HEADER_SIZE, "FragmentHeader size is wrong"); - /// Gets the Subroutine object corresponding to the specified address. const Subroutine& GetSubroutine(u32 begin, u32 end) const { const auto iter = subroutines.find(Subroutine{begin, end, suffix}); @@ -1010,10 +994,8 @@ private: /// Writes the output values from a fragment shader to the corresponding GLSL output variables. void EmitFragmentOutputsWrite() { ASSERT(stage == Maxwell3D::Regs::ShaderStage::Fragment); - FragmentHeader header; - std::memcpy(&header, program_code.data(), PROGRAM_HEADER_SIZE); - ASSERT_MSG(header.writes_samplemask == 0, "Samplemask write is unimplemented"); + ASSERT_MSG(header.ps.omap.sample_mask == 0, "Samplemask write is unimplemented"); // Write the color outputs using the data in the shader registers, disabled // rendertargets/components are skipped in the register assignment. @@ -1022,7 +1004,7 @@ private: ++render_target) { // TODO(Subv): Figure out how dual-source blending is configured in the Switch. for (u32 component = 0; component < 4; ++component) { - if (header.IsColorComponentOutputEnabled(render_target, component)) { + if (header.ps.IsColorComponentOutputEnabled(render_target, component)) { shader.AddLine(fmt::format("FragColor{}[{}] = {};", render_target, component, regs.GetRegisterAsFloat(current_reg))); ++current_reg; @@ -1030,7 +1012,7 @@ private: } } - if (header.writes_depth) { + if (header.ps.omap.depth) { // The depth output is always 2 registers after the last color output, and current_reg // already contains one past the last color register. @@ -2666,6 +2648,7 @@ private: private: const std::set<Subroutine>& subroutines; const ProgramCode& program_code; + Tegra::Shader::Header header; const u32 main_offset; Maxwell3D::Regs::ShaderStage stage; const std::string& suffix; |