diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 444 |
1 files changed, 303 insertions, 141 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 97b9028c5..0c4524d5c 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -500,27 +500,42 @@ public: const Register& buf_reg) { const std::string dest = GetOutputAttribute(attribute); const std::string src = GetRegisterAsFloat(val_reg); + if (dest.empty()) + return; - if (!dest.empty()) { - // Can happen with unknown/unimplemented output attributes, in which case we ignore the - // instruction for now. - if (stage == Maxwell3D::Regs::ShaderStage::Geometry) { - // TODO(Rodrigo): nouveau sets some attributes after setting emitting a geometry - // shader. These instructions use a dirty register as buffer index, to avoid some - // drivers from complaining about out of boundary writes, guard them. - const std::string buf_index{"((" + GetRegisterAsInteger(buf_reg) + ") % " + - std::to_string(MAX_GEOMETRY_BUFFERS) + ')'}; - shader.AddLine("amem[" + buf_index + "][" + - std::to_string(static_cast<u32>(attribute)) + ']' + - GetSwizzle(elem) + " = " + src + ';'); - } else { - if (attribute == Attribute::Index::PointSize) { - fixed_pipeline_output_attributes_used.insert(attribute); - shader.AddLine(dest + " = " + src + ';'); - } else { - shader.AddLine(dest + GetSwizzle(elem) + " = " + src + ';'); - } - } + // Can happen with unknown/unimplemented output attributes, in which case we ignore the + // instruction for now. + if (stage == Maxwell3D::Regs::ShaderStage::Geometry) { + // TODO(Rodrigo): nouveau sets some attributes after setting emitting a geometry + // shader. These instructions use a dirty register as buffer index, to avoid some + // drivers from complaining about out of boundary writes, guard them. + const std::string buf_index{"((" + GetRegisterAsInteger(buf_reg) + ") % " + + std::to_string(MAX_GEOMETRY_BUFFERS) + ')'}; + shader.AddLine("amem[" + buf_index + "][" + + std::to_string(static_cast<u32>(attribute)) + ']' + GetSwizzle(elem) + + " = " + src + ';'); + return; + } + + switch (attribute) { + case Attribute::Index::ClipDistances0123: + case Attribute::Index::ClipDistances4567: { + const u64 index = (attribute == Attribute::Index::ClipDistances4567 ? 4 : 0) + elem; + UNIMPLEMENTED_IF_MSG( + ((header.vtg.clip_distances >> index) & 1) == 0, + "Shader is setting gl_ClipDistance{} without enabling it in the header", index); + + fixed_pipeline_output_attributes_used.insert(attribute); + shader.AddLine(dest + '[' + std::to_string(index) + "] = " + src + ';'); + break; + } + case Attribute::Index::PointSize: + fixed_pipeline_output_attributes_used.insert(attribute); + shader.AddLine(dest + " = " + src + ';'); + break; + default: + shader.AddLine(dest + GetSwizzle(elem) + " = " + src + ';'); + break; } } @@ -740,12 +755,19 @@ private: void GenerateVertex() { if (stage != Maxwell3D::Regs::ShaderStage::Vertex) return; + bool clip_distances_declared = false; + declarations.AddLine("out gl_PerVertex {"); ++declarations.scope; declarations.AddLine("vec4 gl_Position;"); for (auto& o : fixed_pipeline_output_attributes_used) { if (o == Attribute::Index::PointSize) declarations.AddLine("float gl_PointSize;"); + if (!clip_distances_declared && (o == Attribute::Index::ClipDistances0123 || + o == Attribute::Index::ClipDistances4567)) { + declarations.AddLine("float gl_ClipDistance[];"); + clip_distances_declared = true; + } } --declarations.scope; declarations.AddLine("};"); @@ -845,7 +867,8 @@ private: // vertex shader, and what's the value of the fourth element when inside a Tess Eval // shader. ASSERT(stage == Maxwell3D::Regs::ShaderStage::Vertex); - return "vec4(0, 0, uintBitsToFloat(instance_id.x), uintBitsToFloat(gl_VertexID))"; + // Config pack's first value is instance_id. + return "vec4(0, 0, uintBitsToFloat(config_pack[0]), uintBitsToFloat(gl_VertexID))"; case Attribute::Index::FrontFacing: // TODO(Subv): Find out what the values are for the other elements. ASSERT(stage == Maxwell3D::Regs::ShaderStage::Fragment); @@ -916,6 +939,10 @@ private: return "gl_PointSize"; case Attribute::Index::Position: return "position"; + case Attribute::Index::ClipDistances0123: + case Attribute::Index::ClipDistances4567: { + return "gl_ClipDistance"; + } default: const u32 index{static_cast<u32>(attribute) - static_cast<u32>(Attribute::Index::Attribute_0)}; @@ -1266,7 +1293,15 @@ private: regs.SetRegisterToInteger(dest, true, 0, result, 1, 1); } - void WriteTexsInstruction(const Instruction& instr, const std::string& texture) { + 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 + ';'); + // 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 @@ -1278,17 +1313,19 @@ private: if (written_components < 2) { // Write the first two swizzle components to gpr0 and gpr0+1 - regs.SetRegisterToFloat(instr.gpr0, component, texture, 1, 4, false, + regs.SetRegisterToFloat(instr.gpr0, component, "texture_tmp", 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, 1, 4, false, + regs.SetRegisterToFloat(instr.gpr28, component, "texture_tmp", 1, 4, false, written_components % 2); } ++written_components; } + --shader.scope; + shader.AddLine('}'); } static u32 TextureCoordinates(Tegra::Shader::TextureType texture_type) { @@ -1685,6 +1722,26 @@ private: break; } + case OpCode::Type::Bfi: { + UNIMPLEMENTED_IF(instr.generates_cc); + + const auto [base, packed_shift] = [&]() -> std::tuple<std::string, std::string> { + switch (opcode->get().GetId()) { + case OpCode::Id::BFI_IMM_R: + return {regs.GetRegisterAsInteger(instr.gpr39, 0, false), + std::to_string(instr.alu.GetSignedImm20_20())}; + default: + UNREACHABLE(); + } + }(); + const std::string offset = '(' + packed_shift + " & 0xff)"; + const std::string bits = "((" + packed_shift + " >> 8) & 0xff)"; + const std::string insert = regs.GetRegisterAsInteger(instr.gpr8, 0, false); + regs.SetRegisterToInteger( + instr.gpr0, false, 0, + "bitfieldInsert(" + base + ", " + insert + ", " + offset + ", " + bits + ')', 1, 1); + break; + } case OpCode::Type::Shift: { std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, true); std::string op_b; @@ -2510,61 +2567,83 @@ private: const bool depth_compare = instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC); u32 num_coordinates = TextureCoordinates(texture_type); - if (depth_compare) - num_coordinates += 1; + u32 start_index = 0; + std::string array_elem; + if (is_array) { + array_elem = regs.GetRegisterAsInteger(instr.gpr8); + start_index = 1; + } + const auto process_mode = instr.tex.GetTextureProcessMode(); + u32 start_index_b = 0; + std::string lod_value; + if (process_mode != Tegra::Shader::TextureProcessMode::LZ && + process_mode != Tegra::Shader::TextureProcessMode::None) { + start_index_b = 1; + lod_value = regs.GetRegisterAsFloat(instr.gpr20); + } + + std::string depth_value; + if (depth_compare) { + depth_value = regs.GetRegisterAsFloat(instr.gpr20.Value() + start_index_b); + } + + bool depth_compare_extra = false; switch (num_coordinates) { case 1: { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index); if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - coord = "vec2 coords = vec2(" + x + ", " + index + ");"; + if (depth_compare) { + coord = "vec3 coords = vec3(" + x + ", " + depth_value + ", " + + array_elem + ");"; + } else { + coord = "vec2 coords = vec2(" + x + ", " + array_elem + ");"; + } } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - coord = "float coords = " + x + ';'; + if (depth_compare) { + coord = "vec2 coords = vec2(" + x + ", " + depth_value + ");"; + } else { + coord = "float coords = " + x + ';'; + } } break; } case 2: { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index); + const std::string y = + regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index + 1); if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + index + ");"; + if (depth_compare) { + coord = "vec4 coords = vec4(" + x + ", " + y + ", " + depth_value + + ", " + array_elem + ");"; + } else { + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + array_elem + ");"; + } } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + if (depth_compare) { + coord = + "vec3 coords = vec3(" + x + ", " + y + ", " + depth_value + ");"; + } else { + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + } } break; } case 3: { - if (depth_compare) { - if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string y = regs.GetRegisterAsFloat(instr.gpr20); - const std::string z = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); - coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + index + - ");"; - } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string z = regs.GetRegisterAsFloat(instr.gpr20); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; - } + const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index); + const std::string y = + regs.GetRegisterAsFloat(instr.gpr8.Value() + start_index + 1); + const std::string z = + 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 + ");"; } else { - if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2); - const std::string z = regs.GetRegisterAsFloat(instr.gpr8.Value() + 3); - coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + index + - ");"; + if (depth_compare) { + coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + + depth_value + ");"; } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string z = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2); coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; } } @@ -2580,82 +2659,85 @@ private: coord = "vec2 coords = vec2(" + x + ", " + y + ");"; texture_type = Tegra::Shader::TextureType::Texture2D; } - // TODO: make sure coordinates are always indexed to gpr8 and gpr20 is always bias - // or lod. const std::string sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare); // 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.AddLine('{'); ++shader.scope; shader.AddLine(coord); std::string texture; switch (instr.tex.GetTextureProcessMode()) { case Tegra::Shader::TextureProcessMode::None: { - texture = "texture(" + sampler + ", coords)"; + if (!depth_compare_extra) { + texture = "texture(" + sampler + ", coords)"; + } else { + texture = "texture(" + sampler + ", coords, " + depth_value + ')'; + } break; } case Tegra::Shader::TextureProcessMode::LZ: { - texture = "textureLod(" + sampler + ", coords, 0.0)"; + if (!depth_compare_extra) { + texture = "textureLod(" + sampler + ", coords, 0.0)"; + } else { + texture = "texture(" + sampler + ", coords, " + depth_value + ')'; + } break; } case Tegra::Shader::TextureProcessMode::LB: case Tegra::Shader::TextureProcessMode::LBA: { - const std::string bias = [&]() { - if (depth_compare) { - if (is_array) - return regs.GetRegisterAsFloat(instr.gpr20.Value() + 2); - else - return regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); - } else { - return regs.GetRegisterAsFloat(instr.gpr20); - } - }(); - shader.AddLine("float bias = " + bias + ';'); - // TODO: Figure if A suffix changes the equation at all. - texture = "texture(" + sampler + ", coords, bias)"; + if (!depth_compare_extra) { + texture = "texture(" + sampler + ", coords, " + lod_value + ')'; + } else { + texture = "texture(" + sampler + ", coords, " + depth_value + ')'; + LOG_WARNING(HW_GPU, + "OpenGL Limitation: can't set bias value along depth compare"); + } break; } case Tegra::Shader::TextureProcessMode::LL: case Tegra::Shader::TextureProcessMode::LLA: { - const std::string lod = [&]() { - if (num_coordinates <= 2) { - return regs.GetRegisterAsFloat(instr.gpr20); - } else { - return regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); - } - }(); - shader.AddLine("float lod = " + lod + ';'); - // TODO: Figure if A suffix changes the equation at all. - texture = "textureLod(" + sampler + ", coords, lod)"; + if (!depth_compare_extra) { + texture = "textureLod(" + sampler + ", coords, " + lod_value + ')'; + } else { + texture = "texture(" + sampler + ", coords, " + depth_value + ')'; + LOG_WARNING(HW_GPU, + "OpenGL Limitation: can't set lod value along depth compare"); + } break; } default: { - texture = "texture(" + sampler + ", coords)"; + if (!depth_compare_extra) { + texture = "texture(" + sampler + ", coords)"; + } else { + texture = "texture(" + sampler + ", coords, " + depth_value + ')'; + } UNIMPLEMENTED_MSG("Unhandled texture process mode {}", static_cast<u32>(instr.tex.GetTextureProcessMode())); } } if (!depth_compare) { + shader.AddLine("vec4 texture_tmp = " + texture + ';'); 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, 1, 4, false, dest_elem); + regs.SetRegisterToFloat(instr.gpr0, elem, "texture_tmp", 1, 4, false, + dest_elem); ++dest_elem; } } else { regs.SetRegisterToFloat(instr.gpr0, 0, texture, 1, 1, false); } --shader.scope; - shader.AddLine("}"); + shader.AddLine('}'); break; } case OpCode::Id::TEXS: { @@ -2668,41 +2750,76 @@ private: const bool depth_compare = instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC); u32 num_coordinates = TextureCoordinates(texture_type); - if (depth_compare) - num_coordinates += 1; - - // Scope to avoid variable name overlaps. - shader.AddLine('{'); - ++shader.scope; + const auto process_mode = instr.texs.GetTextureProcessMode(); + std::string lod_value; + std::string coord; + u32 lod_offset = 0; + if (process_mode == Tegra::Shader::TextureProcessMode::LL) { + if (num_coordinates > 2) { + lod_value = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); + lod_offset = 2; + } else { + lod_value = regs.GetRegisterAsFloat(instr.gpr20); + lod_offset = 1; + } + } switch (num_coordinates) { + case 1: { + coord = "float coords = " + regs.GetRegisterAsFloat(instr.gpr8) + ';'; + break; + } case 2: { if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string y = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + index + ");"); + if (depth_compare) { + const std::string index = regs.GetRegisterAsInteger(instr.gpr8); + const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string y = regs.GetRegisterAsFloat(instr.gpr20); + const std::string z = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); + coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + index + + ");"; + } else { + const std::string index = regs.GetRegisterAsInteger(instr.gpr8); + const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string y = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + index + ");"; + } } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); + if (lod_offset != 0) { + if (depth_compare) { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = + regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string z = + regs.GetRegisterAsFloat(instr.gpr20.Value() + lod_offset); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; + } else { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = + regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + } + } else { + if (depth_compare) { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = + regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string z = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; + } else { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + } + } } break; } case 3: { - if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2); - const std::string z = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + - index + ");"); - } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string z = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"); - } + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string z = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; break; } default: @@ -2712,14 +2829,14 @@ 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.gpr20); - shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; texture_type = Tegra::Shader::TextureType::Texture2D; is_array = false; } const std::string sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare); std::string texture; - switch (instr.texs.GetTextureProcessMode()) { + switch (process_mode) { case Tegra::Shader::TextureProcessMode::None: { texture = "texture(" + sampler + ", coords)"; break; @@ -2733,8 +2850,7 @@ private: break; } case Tegra::Shader::TextureProcessMode::LL: { - const std::string op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); - texture = "textureLod(" + sampler + ", coords, " + op_c + ')'; + texture = "textureLod(" + sampler + ", coords, " + lod_value + ')'; break; } default: { @@ -2744,13 +2860,11 @@ private: } } if (!depth_compare) { - WriteTexsInstruction(instr, texture); + WriteTexsInstruction(instr, coord, texture); } else { - WriteTexsInstruction(instr, "vec4(" + texture + ')'); + WriteTexsInstruction(instr, coord, "vec4(" + texture + ')'); } - shader.AddLine('}'); - --shader.scope; break; } case OpCode::Id::TLDS: { @@ -2772,11 +2886,12 @@ private: // Scope to avoid variable name overlaps. shader.AddLine('{'); ++shader.scope; + std::string coords; switch (texture_type) { case Tegra::Shader::TextureType::Texture1D: { const std::string x = regs.GetRegisterAsInteger(instr.gpr8); - shader.AddLine("int coords = " + x + ';'); + coords = "float coords = " + x + ';'; break; } case Tegra::Shader::TextureType::Texture2D: { @@ -2784,7 +2899,8 @@ private: const std::string x = regs.GetRegisterAsInteger(instr.gpr8); const std::string y = regs.GetRegisterAsInteger(instr.gpr20); - shader.AddLine("ivec2 coords = ivec2(" + x + ", " + y + ");"); + // shader.AddLine("ivec2 coords = ivec2(" + x + ", " + y + ");"); + coords = "ivec2 coords = ivec2(" + x + ", " + y + ");"; extra_op_offset = 1; break; } @@ -2812,7 +2928,7 @@ private: static_cast<u32>(instr.tlds.GetTextureProcessMode())); } } - WriteTexsInstruction(instr, texture); + WriteTexsInstruction(instr, coords, texture); --shader.scope; shader.AddLine('}'); @@ -2871,14 +2987,17 @@ private: const std::string texture = "textureGather(" + sampler + ", coords, " + std::to_string(instr.tld4.component) + ')'; + if (!depth_compare) { + shader.AddLine("vec4 texture_tmp = " + texture + ';'); 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, 1, 4, false, dest_elem); + regs.SetRegisterToFloat(instr.gpr0, elem, "texture_tmp", 1, 4, false, + dest_elem); ++dest_elem; } } else { @@ -2899,6 +3018,7 @@ private: // Scope to avoid variable name overlaps. shader.AddLine('{'); ++shader.scope; + std::string coords; const bool depth_compare = instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC); @@ -2908,20 +3028,19 @@ private: const std::string sampler = GetSampler( instr.sampler, Tegra::Shader::TextureType::Texture2D, false, depth_compare); if (!depth_compare) { - shader.AddLine("vec2 coords = vec2(" + op_a + ", " + op_b + ");"); + coords = "vec2 coords = vec2(" + op_a + ", " + op_b + ");"; } else { // Note: TLD4S coordinate encoding works just like TEXS's - shader.AddLine( - "float op_y = " + regs.GetRegisterAsFloat(instr.gpr8.Value() + 1) + ';'); - shader.AddLine("vec3 coords = vec3(" + op_a + ", op_y, " + op_b + ");"); + const std::string op_y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + coords = "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, texture); + WriteTexsInstruction(instr, coords, texture); } else { - WriteTexsInstruction(instr, "vec4(" + texture + ')'); + WriteTexsInstruction(instr, coords, "vec4(" + texture + ')'); } --shader.scope; @@ -3217,6 +3336,34 @@ private: } break; } + case OpCode::Type::RegisterSetPredicate: { + UNIMPLEMENTED_IF(instr.r2p.mode != Tegra::Shader::R2pMode::Pr); + + const std::string apply_mask = [&]() { + switch (opcode->get().GetId()) { + case OpCode::Id::R2P_IMM: + return std::to_string(instr.r2p.immediate_mask); + default: + UNREACHABLE(); + } + }(); + const std::string mask = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + + " >> " + std::to_string(instr.r2p.byte) + ')'; + + constexpr u64 programmable_preds = 7; + for (u64 pred = 0; pred < programmable_preds; ++pred) { + const auto shift = std::to_string(1 << pred); + + shader.AddLine("if ((" + apply_mask + " & " + shift + ") != 0) {"); + ++shader.scope; + + SetPredicate(pred, '(' + mask + " & " + shift + ") != 0"); + + --shader.scope; + shader.AddLine('}'); + } + break; + } case OpCode::Type::FloatSet: { const std::string op_a = GetOperandAbsNeg(regs.GetRegisterAsFloat(instr.gpr8), instr.fset.abs_a != 0, instr.fset.neg_a != 0); @@ -3254,6 +3401,10 @@ private: regs.SetRegisterToInteger(instr.gpr0, false, 0, predicate + " ? 0xFFFFFFFF : 0", 1, 1); } + if (instr.generates_cc.Value() != 0) { + regs.SetInternalFlag(InternalFlag::ZeroFlag, predicate); + LOG_WARNING(HW_GPU, "FSET Condition Code is incomplete"); + } break; } case OpCode::Type::IntegerSet: { @@ -3507,6 +3658,11 @@ private: regs.SetRegisterToInteger(instr.gpr0, false, 0, "0u", 1, 1); break; } + case Tegra::Shader::SystemVariable::Ydirection: { + // Config pack's third value is Y_NEGATE's state. + regs.SetRegisterToFloat(instr.gpr0, 0, "uintBitsToFloat(config_pack[2])", 1, 1); + break; + } default: { UNIMPLEMENTED_MSG("Unhandled system move: {}", static_cast<u32>(instr.sys20.Value())); @@ -3530,11 +3686,17 @@ private: "BRA with constant buffers are not implemented"); const Tegra::Shader::ConditionCode cc = instr.flow_condition_code; - UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, - "BRA condition code used: {}", static_cast<u32>(cc)); - const u32 target = offset + instr.bra.GetBranchTarget(); - shader.AddLine("{ jmp_to = " + std::to_string(target) + "u; break; }"); + if (cc != Tegra::Shader::ConditionCode::T) { + const std::string condition_code = regs.GetConditionCode(cc); + shader.AddLine("if (" + condition_code + "){"); + shader.scope++; + shader.AddLine("{ jmp_to = " + std::to_string(target) + "u; break; }"); + shader.scope--; + shader.AddLine('}'); + } else { + shader.AddLine("{ jmp_to = " + std::to_string(target) + "u; break; }"); + } break; } case OpCode::Id::IPA: { |