diff options
author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2018-11-28 06:22:10 +0100 |
---|---|---|
committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2018-11-29 03:45:53 +0100 |
commit | ab13b628d0ad07797b39499450bbb231247d2389 (patch) | |
tree | bb5c8b956ec67ad406f6496f3020a9deb6b420ab /src/video_core/renderer_opengl/gl_shader_decompiler.cpp | |
parent | gl_shader_decompiler: Scope GLSL variables with a scoped object (diff) | |
download | yuzu-ab13b628d0ad07797b39499450bbb231247d2389.tar yuzu-ab13b628d0ad07797b39499450bbb231247d2389.tar.gz yuzu-ab13b628d0ad07797b39499450bbb231247d2389.tar.bz2 yuzu-ab13b628d0ad07797b39499450bbb231247d2389.tar.lz yuzu-ab13b628d0ad07797b39499450bbb231247d2389.tar.xz yuzu-ab13b628d0ad07797b39499450bbb231247d2389.tar.zst yuzu-ab13b628d0ad07797b39499450bbb231247d2389.zip |
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 143 |
1 files changed, 56 insertions, 87 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 22f811ada..4ecfef071 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1337,15 +1337,7 @@ private: regs.SetRegisterToInteger(dest, true, 0, result, 1, 1); } - void WriteTexsInstruction(const Instruction& instr, const std::string& coord, - const std::string& texture) { - // Add an extra scope and declare the texture coords inside to prevent - // overwriting them in case they are used as outputs of the texs instruction. - shader.AddLine('{'); - ++shader.scope; - shader.AddLine(coord); - shader.AddLine("vec4 texture_tmp = " + texture + ';'); - + void WriteTexsInstruction(const Instruction& instr, const std::string& texture) { // TEXS has two destination registers and a swizzle. The first two elements in the swizzle // go into gpr0+0 and gpr0+1, and the rest goes into gpr28+0 and gpr28+1 @@ -1357,19 +1349,17 @@ private: if (written_components < 2) { // Write the first two swizzle components to gpr0 and gpr0+1 - regs.SetRegisterToFloat(instr.gpr0, component, "texture_tmp", 1, 4, false, + regs.SetRegisterToFloat(instr.gpr0, component, texture, 1, 4, false, written_components % 2); } else { ASSERT(instr.texs.HasTwoDestinations()); // Write the rest of the swizzle components to gpr28 and gpr28+1 - regs.SetRegisterToFloat(instr.gpr28, component, "texture_tmp", 1, 4, false, + regs.SetRegisterToFloat(instr.gpr28, component, texture, 1, 4, false, written_components % 2); } ++written_components; } - --shader.scope; - shader.AddLine('}'); } static u32 TextureCoordinates(Tegra::Shader::TextureType texture_type) { @@ -2600,7 +2590,6 @@ private: } case OpCode::Id::TEX: { Tegra::Shader::TextureType texture_type{instr.tex.texture_type}; - std::string coord; const bool is_array = instr.tex.array != 0; UNIMPLEMENTED_IF_MSG(instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP), @@ -2633,21 +2622,23 @@ private: bool depth_compare_extra = false; + const auto scope = shader.Scope(); + switch (num_coordinates) { case 1: { const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index); if (is_array) { if (depth_compare) { - coord = "vec3 coords = vec3(" + x + ", " + depth_value + ", " + - array_elem + ");"; + shader.AddLine("vec3 coords = vec3(" + x + ", " + depth_value + ", " + + array_elem + ");"); } else { - coord = "vec2 coords = vec2(" + x + ", " + array_elem + ");"; + shader.AddLine("vec2 coords = vec2(" + x + ", " + array_elem + ");"); } } else { if (depth_compare) { - coord = "vec2 coords = vec2(" + x + ", " + depth_value + ");"; + shader.AddLine("vec2 coords = vec2(" + x + ", " + depth_value + ");"); } else { - coord = "float coords = " + x + ';'; + shader.AddLine("float coords = " + x + ';'); } } break; @@ -2658,17 +2649,18 @@ private: regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index + 1); if (is_array) { if (depth_compare) { - coord = "vec4 coords = vec4(" + x + ", " + y + ", " + depth_value + - ", " + array_elem + ");"; + shader.AddLine("vec4 coords = vec4(" + x + ", " + y + ", " + + depth_value + ", " + array_elem + ");"); } else { - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + array_elem + ");"; + shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + + array_elem + ");"); } } else { if (depth_compare) { - coord = - "vec3 coords = vec3(" + x + ", " + y + ", " + depth_value + ");"; + shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + + depth_value + ");"); } else { - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); } } break; @@ -2681,14 +2673,14 @@ private: regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index + 2); if (is_array) { depth_compare_extra = depth_compare; - coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + - array_elem + ");"; + shader.AddLine("vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + + array_elem + ");"); } else { if (depth_compare) { - coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + - depth_value + ");"; + shader.AddLine("vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + + depth_value + ");"); } else { - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; + shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"); } } break; @@ -2700,7 +2692,7 @@ private: // Fallback to interpreting as a 2D texture for now const std::string x = regs.GetRegisterAsFloat(instr.gpr8); const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); texture_type = Tegra::Shader::TextureType::Texture2D; } @@ -2709,9 +2701,6 @@ private: // Add an extra scope and declare the texture coords inside to prevent // overwriting them in case they are used as outputs of the texs instruction. - shader.AddLine('{'); - ++shader.scope; - shader.AddLine(coord); std::string texture; switch (instr.tex.GetTextureProcessMode()) { @@ -2765,23 +2754,20 @@ private: static_cast<u32>(instr.tex.GetTextureProcessMode())); } } - if (!depth_compare) { - shader.AddLine("vec4 texture_tmp = " + texture + ';'); + + if (depth_compare) { + regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false); + } else { std::size_t dest_elem{}; for (std::size_t elem = 0; elem < 4; ++elem) { if (!instr.tex.IsComponentEnabled(elem)) { // Skip disabled components continue; } - regs.SetRegisterToFloat(instr.gpr0, elem, "texture_tmp", 1, 4, false, - dest_elem); + regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem); ++dest_elem; } - } else { - regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false); } - --shader.scope; - shader.AddLine('}'); break; } case OpCode::Id::TEXS: { @@ -2884,6 +2870,7 @@ private: } const std::string sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare); + std::string texture; switch (process_mode) { case Tegra::Shader::TextureProcessMode::None: { @@ -2908,12 +2895,11 @@ private: static_cast<u32>(instr.texs.GetTextureProcessMode())); } } - if (!depth_compare) { - WriteTexsInstruction(instr, coord, texture); - } else { - WriteTexsInstruction(instr, coord, "vec4(" + texture + ')'); - } + if (depth_compare) { + texture = "vec4(" + texture + ')'; + } + WriteTexsInstruction(instr, texture); break; } case OpCode::Id::TLDS: { @@ -2974,13 +2960,12 @@ private: static_cast<u32>(instr.tlds.GetTextureProcessMode())); } } - WriteTexsInstruction(instr, coords, texture); + WriteTexsInstruction(instr, texture); break; } case OpCode::Id::TLD4: { ASSERT(instr.tld4.texture_type == Tegra::Shader::TextureType::Texture2D); ASSERT(instr.tld4.array == 0); - std::string coord; UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP), "NODEP is not implemented"); @@ -2997,10 +2982,7 @@ private: if (depth_compare) num_coordinates += 1; - // Add an extra scope and declare the texture coords inside to prevent - // overwriting them in case they are used as outputs of the texs instruction. - shader.AddLine('{'); - ++shader.scope; + const auto scope = shader.Scope(); switch (num_coordinates) { case 2: { @@ -3031,7 +3013,9 @@ private: const std::string texture = "textureGather(" + sampler + ", coords, " + std::to_string(instr.tld4.component) + ')'; - if (!depth_compare) { + if (depth_compare) { + regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false); + } else { shader.AddLine("vec4 texture_tmp = " + texture + ';'); std::size_t dest_elem{}; for (std::size_t elem = 0; elem < 4; ++elem) { @@ -3043,11 +3027,7 @@ private: dest_elem); ++dest_elem; } - } else { - regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false); } - --shader.scope; - shader.AddLine('}'); break; } case OpCode::Id::TLD4S: { @@ -3074,26 +3054,22 @@ private: const std::string op_y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); shader.AddLine("vec3 coords = vec3(" + op_a + ", " + op_y + ", " + op_b + ");"); } - const std::string texture = "textureGather(" + sampler + ", coords, " + - std::to_string(instr.tld4s.component) + ')'; - if (!depth_compare) { - WriteTexsInstruction(instr, coords, texture); - } else { - WriteTexsInstruction(instr, coords, "vec4(" + texture + ')'); + std::string texture = "textureGather(" + sampler + ", coords, " + + std::to_string(instr.tld4s.component) + ')'; + if (depth_compare) { + texture = "vec4(" + texture + ')'; } - - --shader.scope; - shader.AddLine('}'); + WriteTexsInstruction(instr, texture); break; } case OpCode::Id::TXQ: { UNIMPLEMENTED_IF_MSG(instr.txq.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP), "NODEP is not implemented"); - ++shader.scope; - shader.AddLine('{'); - // TODO: the new commits on the texture refactor, change the way samplers work. + const auto scope = shader.Scope(); + + // TODO: The new commits on the texture refactor, change the way samplers work. // Sadly, not all texture instructions specify the type of texture their sampler // uses. This must be fixed at a later instance. const std::string sampler = @@ -3104,7 +3080,8 @@ private: regs.GetRegisterAsInteger(instr.gpr8) + ')'; const std::string mip_level = "textureQueryLevels(" + sampler + ')'; shader.AddLine("ivec2 sizes = " + texture + ';'); - regs.SetRegisterToInteger(instr.gpr0, true, 0, "sizes.x", 1, 1); + + regs.SetRegisterToInteger(instr.gpr0.Value() + 0, true, 0, "sizes.x", 1, 1); regs.SetRegisterToInteger(instr.gpr0.Value() + 1, true, 0, "sizes.y", 1, 1); regs.SetRegisterToInteger(instr.gpr0.Value() + 2, true, 0, "0", 1, 1); regs.SetRegisterToInteger(instr.gpr0.Value() + 3, true, 0, mip_level, 1, 1); @@ -3115,8 +3092,6 @@ private: static_cast<u32>(instr.txq.query_type.Value())); } } - --shader.scope; - shader.AddLine('}'); break; } case OpCode::Id::TMML: { @@ -3131,17 +3106,18 @@ private: const std::string sampler = GetSampler(instr.sampler, texture_type, is_array, false); - // TODO: add coordinates for different samplers once other texture types are + const auto scope = shader.Scope(); + + // TODO: Add coordinates for different samplers once other texture types are // implemented. - std::string coord; switch (texture_type) { case Tegra::Shader::TextureType::Texture1D: { - coord = "float coords = " + x + ';'; + shader.AddLine("float coords = " + x + ';'); break; } case Tegra::Shader::TextureType::Texture2D: { const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); break; } default: @@ -3149,22 +3125,15 @@ private: // Fallback to interpreting as a 2D texture for now const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); texture_type = Tegra::Shader::TextureType::Texture2D; } - // Add an extra scope and declare the texture coords inside to prevent - // overwriting them in case they are used as outputs of the texs instruction. - shader.AddLine('{'); - ++shader.scope; - shader.AddLine(coord); + const std::string texture = "textureQueryLod(" + sampler + ", coords)"; - const std::string tmp = "vec2 tmp = " + texture + "*vec2(256.0, 256.0);"; - shader.AddLine(tmp); + shader.AddLine("vec2 tmp = " + texture + " * vec2(256.0, 256.0);"); regs.SetRegisterToInteger(instr.gpr0, true, 0, "int(tmp.y)", 1, 1); regs.SetRegisterToInteger(instr.gpr0.Value() + 1, false, 0, "uint(tmp.x)", 1, 1); - --shader.scope; - shader.AddLine('}'); break; } default: { |