diff options
Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 7a59ecccf..15288bd57 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -425,6 +425,14 @@ public: ++const_buffer_layout; } declarations.AddNewLine(); + + // 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(); + } } /// Returns a list of constant buffer declarations @@ -435,6 +443,32 @@ public: return result; } + /// Returns a list of samplers used in the shader + 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) { + size_t offset = static_cast<size_t>(sampler.index.Value()); + + // If this sampler has already been used, return the existing mapping. + auto itr = + std::find_if(used_samplers.begin(), used_samplers.end(), + [&](const SamplerEntry& entry) { return entry.GetOffset() == offset; }); + + if (itr != used_samplers.end()) { + return itr->GetName(); + } + + // Otherwise create a new mapping for this sampler + size_t next_index = used_samplers.size(); + SamplerEntry entry{stage, offset, next_index}; + used_samplers.emplace_back(entry); + return entry.GetName(); + } + private: /// Build GLSL conversion function, e.g. floatBitsToInt, intBitsToFloat, etc. const std::string GetGLSLConversionFunc(GLSLRegister::Type src, GLSLRegister::Type dest) const { @@ -544,6 +578,7 @@ private: std::set<Attribute::Index> declr_input_attribute; std::set<Attribute::Index> declr_output_attribute; std::array<ConstBufferEntry, Maxwell3D::Regs::MaxConstBuffers> declr_const_buffers; + std::vector<SamplerEntry> used_samplers; const Maxwell3D::Regs::ShaderStage& stage; }; @@ -563,7 +598,7 @@ public: /// Returns entries in the shader that are useful for external functions ShaderEntries GetEntries() const { - return {regs.GetConstBuffersDeclarations()}; + return {regs.GetConstBuffersDeclarations(), regs.GetSamplers()}; } private: @@ -585,12 +620,8 @@ private: } /// Generates code representing a texture sampler. - std::string GetSampler(const Sampler& sampler) const { - // TODO(Subv): Support more than just texture sampler 0 - ASSERT_MSG(sampler.index == Sampler::Index::Sampler_0, "unsupported"); - const unsigned index{static_cast<unsigned>(sampler.index.Value()) - - static_cast<unsigned>(Sampler::Index::Sampler_0)}; - return "tex[" + std::to_string(index) + ']'; + std::string GetSampler(const Sampler& sampler) { + return regs.AccessSampler(sampler); } /** |