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author | bunnei <bunneidev@gmail.com> | 2018-08-22 01:44:37 +0200 |
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committer | bunnei <bunneidev@gmail.com> | 2018-08-22 02:07:40 +0200 |
commit | d63b1d21f162e2d21117d0908d3d79b827670a17 (patch) | |
tree | c2b51e3144797f8492bbd828df442cb3975ea7fb /src/video_core/renderer_opengl/gl_shader_decompiler.cpp | |
parent | Merge pull request #1145 from lioncash/fwd-decl (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 134 |
1 files changed, 25 insertions, 109 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index aeb908744..5b976b636 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -440,12 +440,13 @@ public: } declarations.AddNewLine(); - const auto& samplers = GetSamplers(); - for (const auto& sampler : samplers) { - declarations.AddLine("uniform " + sampler.GetTypeString() + ' ' + sampler.GetName() + - ';'); + // Append the sampler2D array for the used textures. + size_t num_samplers = GetSamplers().size(); + if (num_samplers > 0) { + declarations.AddLine("uniform sampler2D " + SamplerEntry::GetArrayName(stage) + '[' + + std::to_string(num_samplers) + "];"); + declarations.AddNewLine(); } - declarations.AddNewLine(); } /// Returns a list of constant buffer declarations @@ -457,14 +458,13 @@ public: } /// Returns a list of samplers used in the shader - const std::vector<SamplerEntry>& GetSamplers() const { + std::vector<SamplerEntry> GetSamplers() const { return used_samplers; } /// Returns the GLSL sampler used for the input shader sampler, and creates a new one if /// necessary. - std::string AccessSampler(const Sampler& sampler, Tegra::Shader::TextureType type, - bool is_array) { + std::string AccessSampler(const Sampler& sampler) { size_t offset = static_cast<size_t>(sampler.index.Value()); // If this sampler has already been used, return the existing mapping. @@ -473,13 +473,12 @@ public: [&](const SamplerEntry& entry) { return entry.GetOffset() == offset; }); if (itr != used_samplers.end()) { - ASSERT(itr->GetType() == type && itr->IsArray() == is_array); return itr->GetName(); } // Otherwise create a new mapping for this sampler size_t next_index = used_samplers.size(); - SamplerEntry entry{stage, offset, next_index, type, is_array}; + SamplerEntry entry{stage, offset, next_index}; used_samplers.emplace_back(entry); return entry.GetName(); } @@ -657,8 +656,8 @@ private: } /// Generates code representing a texture sampler. - std::string GetSampler(const Sampler& sampler, Tegra::Shader::TextureType type, bool is_array) { - return regs.AccessSampler(sampler, type, is_array); + std::string GetSampler(const Sampler& sampler) { + return regs.AccessSampler(sampler); } /** @@ -1556,39 +1555,10 @@ private: break; } case OpCode::Id::TEX: { - ASSERT_MSG(instr.tex.array == 0, "TEX arrays unimplemented"); - std::string coord{}; - - switch (instr.tex.texture_type) { - case Tegra::Shader::TextureType::Texture2D: { - std::string x = regs.GetRegisterAsFloat(instr.gpr8); - std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; - break; - } - case Tegra::Shader::TextureType::Texture3D: { - std::string x = regs.GetRegisterAsFloat(instr.gpr8); - std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - std::string z = regs.GetRegisterAsFloat(instr.gpr20); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; - break; - } - case Tegra::Shader::TextureType::TextureCube: { - std::string x = regs.GetRegisterAsFloat(instr.gpr8); - std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - std::string z = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2); - ASSERT(instr.gpr20.Value() == Register::ZeroIndex); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; - break; - } - default: - LOG_CRITICAL(HW_GPU, "Unhandled texture type {}", - static_cast<u32>(instr.tex.texture_type.Value())); - UNREACHABLE(); - } - - const std::string sampler = - GetSampler(instr.sampler, instr.tex.texture_type, instr.tex.array); + const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8); + const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string sampler = GetSampler(instr.sampler); + const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");"; // 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("{"); @@ -1610,72 +1580,20 @@ private: break; } case OpCode::Id::TEXS: { - std::string coord{}; - - switch (instr.texs.GetTextureType()) { - case Tegra::Shader::TextureType::Texture2D: { - if (instr.texs.IsArrayTexture()) { - std::string index = regs.GetRegisterAsInteger(instr.gpr8); - std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - std::string y = regs.GetRegisterAsFloat(instr.gpr20); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + index + ");"; - } else { - std::string x = regs.GetRegisterAsFloat(instr.gpr8); - std::string y = regs.GetRegisterAsFloat(instr.gpr20); - coord = "vec2 coords = vec2(" + x + ", " + y + ");"; - } - break; - } - case Tegra::Shader::TextureType::Texture3D: { - std::string x = regs.GetRegisterAsFloat(instr.gpr8); - std::string y = regs.GetRegisterAsFloat(instr.gpr20); - std::string z = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; - break; - } - case Tegra::Shader::TextureType::TextureCube: { - std::string x = regs.GetRegisterAsFloat(instr.gpr8); - std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - std::string z = regs.GetRegisterAsFloat(instr.gpr20); - coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; - break; - } - default: - LOG_CRITICAL(HW_GPU, "Unhandled texture type {}", - static_cast<u32>(instr.texs.GetTextureType())); - UNREACHABLE(); - } - const std::string sampler = GetSampler(instr.sampler, instr.texs.GetTextureType(), - instr.texs.IsArrayTexture()); + const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8); + const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20); + const std::string sampler = GetSampler(instr.sampler); + const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");"; const std::string texture = "texture(" + sampler + ", coords)"; WriteTexsInstruction(instr, coord, texture); break; } case OpCode::Id::TLDS: { - ASSERT(instr.tlds.GetTextureType() == Tegra::Shader::TextureType::Texture2D); - ASSERT(instr.tlds.IsArrayTexture() == false); - std::string coord{}; - - switch (instr.tlds.GetTextureType()) { - case Tegra::Shader::TextureType::Texture2D: { - if (instr.tlds.IsArrayTexture()) { - LOG_CRITICAL(HW_GPU, "Unhandled 2d array texture"); - UNREACHABLE(); - } else { - std::string x = regs.GetRegisterAsInteger(instr.gpr8); - std::string y = regs.GetRegisterAsInteger(instr.gpr20); - coord = "ivec2 coords = ivec2(" + x + ", " + y + ");"; - } - break; - } - default: - LOG_CRITICAL(HW_GPU, "Unhandled texture type {}", - static_cast<u32>(instr.tlds.GetTextureType())); - UNREACHABLE(); - } - const std::string sampler = GetSampler(instr.sampler, instr.tlds.GetTextureType(), - instr.tlds.IsArrayTexture()); + const std::string op_a = regs.GetRegisterAsInteger(instr.gpr8); + const std::string op_b = regs.GetRegisterAsInteger(instr.gpr20); + const std::string sampler = GetSampler(instr.sampler); + const std::string coord = "ivec2 coords = ivec2(" + op_a + ", " + op_b + ");"; const std::string texture = "texelFetch(" + sampler + ", coords, 0)"; WriteTexsInstruction(instr, coord, texture); break; @@ -1698,8 +1616,7 @@ private: UNREACHABLE(); } - const std::string sampler = - GetSampler(instr.sampler, instr.tld4.texture_type, instr.tld4.array); + const std::string sampler = GetSampler(instr.sampler); // 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("{"); @@ -1725,8 +1642,7 @@ private: const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8); const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20); // TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction. - const std::string sampler = - GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false); + const std::string sampler = GetSampler(instr.sampler); const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");"; const std::string texture = "textureGather(" + sampler + ", coords, " + std::to_string(instr.tld4s.component) + ')'; |