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author | bunnei <bunneidev@gmail.com> | 2019-01-30 04:15:55 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2019-01-30 04:15:55 +0100 |
commit | 4c818b60e36462e800e96d9732ceb357ba4fc67a (patch) | |
tree | 765adbfe1b677d01d8148b5e1888ff6e1d571de7 /src/video_core | |
parent | Merge pull request #1960 from ReinUsesLisp/shader-ir-ldg (diff) | |
parent | gl_shader_cache: Use explicit bindings (diff) | |
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Diffstat (limited to 'src/video_core')
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 130 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.h | 41 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_cache.cpp | 146 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_cache.h | 90 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 11 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.h | 12 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 13 |
7 files changed, 194 insertions, 249 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index ca421ef28..ee313cb2f 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -297,11 +297,7 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) { MICROPROFILE_SCOPE(OpenGL_Shader); auto& gpu = Core::System::GetInstance().GPU().Maxwell3D(); - // Next available bindpoints to use when uploading the const buffers and textures to the GLSL - // shaders. The constbuffer bindpoint starts after the shader stage configuration bind points. - u32 current_constbuffer_bindpoint = Tegra::Engines::Maxwell3D::Regs::MaxShaderStage; - u32 current_gmem_bindpoint = 0; - u32 current_texture_bindpoint = 0; + BaseBindings base_bindings; std::array<bool, Maxwell::NumClipDistances> clip_distances{}; for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) { @@ -325,47 +321,35 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) { const GLintptr offset = buffer_cache.UploadHostMemory( &ubo, sizeof(ubo), static_cast<std::size_t>(uniform_buffer_alignment)); - // Bind the buffer - glBindBufferRange(GL_UNIFORM_BUFFER, static_cast<GLuint>(stage), buffer_cache.GetHandle(), - offset, static_cast<GLsizeiptr>(sizeof(ubo))); + // Bind the emulation info buffer + glBindBufferRange(GL_UNIFORM_BUFFER, base_bindings.cbuf, buffer_cache.GetHandle(), offset, + static_cast<GLsizeiptr>(sizeof(ubo))); Shader shader{shader_cache.GetStageProgram(program)}; + const auto [program_handle, next_bindings] = + shader->GetProgramHandle(primitive_mode, base_bindings); switch (program) { case Maxwell::ShaderProgram::VertexA: - case Maxwell::ShaderProgram::VertexB: { - shader_program_manager->UseProgrammableVertexShader( - shader->GetProgramHandle(primitive_mode)); + case Maxwell::ShaderProgram::VertexB: + shader_program_manager->UseProgrammableVertexShader(program_handle); break; - } - case Maxwell::ShaderProgram::Geometry: { - shader_program_manager->UseProgrammableGeometryShader( - shader->GetProgramHandle(primitive_mode)); + case Maxwell::ShaderProgram::Geometry: + shader_program_manager->UseProgrammableGeometryShader(program_handle); break; - } - case Maxwell::ShaderProgram::Fragment: { - shader_program_manager->UseProgrammableFragmentShader( - shader->GetProgramHandle(primitive_mode)); + case Maxwell::ShaderProgram::Fragment: + shader_program_manager->UseProgrammableFragmentShader(program_handle); break; - } default: LOG_CRITICAL(HW_GPU, "Unimplemented shader index={}, enable={}, offset=0x{:08X}", index, shader_config.enable.Value(), shader_config.offset); UNREACHABLE(); } - // Configure the const buffers for this shader stage. - current_constbuffer_bindpoint = - SetupConstBuffers(static_cast<Maxwell::ShaderStage>(stage), shader, primitive_mode, - current_constbuffer_bindpoint); - - // Configure global memory regions for this shader stage. - current_gmem_bindpoint = SetupGlobalRegions(static_cast<Maxwell::ShaderStage>(stage), - shader, primitive_mode, current_gmem_bindpoint); - - // Configure the textures for this shader stage. - current_texture_bindpoint = SetupTextures(static_cast<Maxwell::ShaderStage>(stage), shader, - primitive_mode, current_texture_bindpoint); + const auto stage_enum = static_cast<Maxwell::ShaderStage>(stage); + SetupConstBuffers(stage_enum, shader, program_handle, base_bindings); + SetupGlobalRegions(stage_enum, shader, program_handle, base_bindings); + SetupTextures(stage_enum, shader, program_handle, base_bindings); // Workaround for Intel drivers. // When a clip distance is enabled but not set in the shader it crops parts of the screen @@ -380,6 +364,8 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) { // VertexB was combined with VertexA, so we skip the VertexB iteration index++; } + + base_bindings = next_bindings; } SyncClipEnabled(clip_distances); @@ -929,8 +915,9 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr } } -u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shader, - GLenum primitive_mode, u32 current_bindpoint) { +void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, + const Shader& shader, GLuint program_handle, + BaseBindings base_bindings) { MICROPROFILE_SCOPE(OpenGL_UBO); const auto& gpu = Core::System::GetInstance().GPU(); const auto& maxwell3d = gpu.Maxwell3D(); @@ -978,92 +965,73 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad size = Common::AlignUp(size, sizeof(GLvec4)); ASSERT_MSG(size <= MaxConstbufferSize, "Constbuffer too big"); - GLintptr const_buffer_offset = buffer_cache.UploadMemory( + const GLintptr const_buffer_offset = buffer_cache.UploadMemory( buffer.address, size, static_cast<std::size_t>(uniform_buffer_alignment)); - // Now configure the bindpoint of the buffer inside the shader - glUniformBlockBinding(shader->GetProgramHandle(primitive_mode), - shader->GetProgramResourceIndex(used_buffer), - current_bindpoint + bindpoint); - // Prepare values for multibind bind_buffers[bindpoint] = buffer_cache.GetHandle(); bind_offsets[bindpoint] = const_buffer_offset; bind_sizes[bindpoint] = size; } - glBindBuffersRange(GL_UNIFORM_BUFFER, current_bindpoint, static_cast<GLsizei>(entries.size()), + // The first binding is reserved for emulation values + const GLuint ubo_base_binding = base_bindings.cbuf + 1; + glBindBuffersRange(GL_UNIFORM_BUFFER, ubo_base_binding, static_cast<GLsizei>(entries.size()), bind_buffers.data(), bind_offsets.data(), bind_sizes.data()); - - return current_bindpoint + static_cast<u32>(entries.size()); } -u32 RasterizerOpenGL::SetupGlobalRegions(Maxwell::ShaderStage stage, Shader& shader, - GLenum primitive_mode, u32 current_bindpoint) { - for (const auto& global_region : shader->GetShaderEntries().global_memory_entries) { - const auto& region = - global_cache.GetGlobalRegion(global_region, static_cast<Maxwell::ShaderStage>(stage)); - const GLuint block_index{shader->GetProgramResourceIndex(global_region)}; - ASSERT(block_index != GL_INVALID_INDEX); +void RasterizerOpenGL::SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, + const Shader& shader, GLenum primitive_mode, + BaseBindings base_bindings) { + // TODO(Rodrigo): Use ARB_multi_bind here + const auto& entries = shader->GetShaderEntries().global_memory_entries; + + for (u32 bindpoint = 0; bindpoint < static_cast<u32>(entries.size()); ++bindpoint) { + const auto& entry = entries[bindpoint]; + const u32 current_bindpoint = base_bindings.gmem + bindpoint; + const auto& region = global_cache.GetGlobalRegion(entry, stage); glBindBufferBase(GL_SHADER_STORAGE_BUFFER, current_bindpoint, region->GetBufferHandle()); - glShaderStorageBlockBinding(shader->GetProgramHandle(primitive_mode), block_index, - current_bindpoint); - ++current_bindpoint; } - - return current_bindpoint; } -u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader, - GLenum primitive_mode, u32 current_unit) { +void RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, const Shader& shader, + GLuint program_handle, BaseBindings base_bindings) { MICROPROFILE_SCOPE(OpenGL_Texture); const auto& gpu = Core::System::GetInstance().GPU(); const auto& maxwell3d = gpu.Maxwell3D(); const auto& entries = shader->GetShaderEntries().samplers; - ASSERT_MSG(current_unit + entries.size() <= std::size(state.texture_units), + ASSERT_MSG(base_bindings.sampler + entries.size() <= std::size(state.texture_units), "Exceeded the number of active textures."); for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) { const auto& entry = entries[bindpoint]; - const u32 current_bindpoint = current_unit + bindpoint; - - // Bind the uniform to the sampler. - - glProgramUniform1i(shader->GetProgramHandle(primitive_mode), - shader->GetUniformLocation(entry), current_bindpoint); + const u32 current_bindpoint = base_bindings.sampler + bindpoint; + auto& unit = state.texture_units[current_bindpoint]; const auto texture = maxwell3d.GetStageTexture(entry.GetStage(), entry.GetOffset()); - if (!texture.enabled) { - state.texture_units[current_bindpoint].texture = 0; + unit.texture = 0; continue; } texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc); + Surface surface = res_cache.GetTextureSurface(texture, entry); if (surface != nullptr) { - const GLuint handle = + unit.texture = entry.IsArray() ? surface->TextureLayer().handle : surface->Texture().handle; - const GLenum target = entry.IsArray() ? surface->TargetLayer() : surface->Target(); - state.texture_units[current_bindpoint].texture = handle; - state.texture_units[current_bindpoint].target = target; - state.texture_units[current_bindpoint].swizzle.r = - MaxwellToGL::SwizzleSource(texture.tic.x_source); - state.texture_units[current_bindpoint].swizzle.g = - MaxwellToGL::SwizzleSource(texture.tic.y_source); - state.texture_units[current_bindpoint].swizzle.b = - MaxwellToGL::SwizzleSource(texture.tic.z_source); - state.texture_units[current_bindpoint].swizzle.a = - MaxwellToGL::SwizzleSource(texture.tic.w_source); + unit.target = entry.IsArray() ? surface->TargetLayer() : surface->Target(); + unit.swizzle.r = MaxwellToGL::SwizzleSource(texture.tic.x_source); + unit.swizzle.g = MaxwellToGL::SwizzleSource(texture.tic.y_source); + unit.swizzle.b = MaxwellToGL::SwizzleSource(texture.tic.z_source); + unit.swizzle.a = MaxwellToGL::SwizzleSource(texture.tic.w_source); } else { // Can occur when texture addr is null or its memory is unmapped/invalid - state.texture_units[current_bindpoint].texture = 0; + unit.texture = 0; } } - - return current_unit + static_cast<u32>(entries.size()); } void RasterizerOpenGL::SyncViewport(OpenGLState& current_state) { diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index 57ab2f627..a103692f9 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -127,35 +127,18 @@ private: bool using_depth_fb = true, bool preserve_contents = true, std::optional<std::size_t> single_color_target = {}); - /** - * Configures the current constbuffers to use for the draw command. - * @param stage The shader stage to configure buffers for. - * @param shader The shader object that contains the specified stage. - * @param current_bindpoint The offset at which to start counting new buffer bindpoints. - * @returns The next available bindpoint for use in the next shader stage. - */ - u32 SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader, - GLenum primitive_mode, u32 current_bindpoint); - - /** - * Configures the current global memory regions to use for the draw command. - * @param stage The shader stage to configure buffers for. - * @param shader The shader object that contains the specified stage. - * @param current_bindpoint The offset at which to start counting new buffer bindpoints. - * @returns The next available bindpoint for use in the next shader stage. - */ - u32 SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader, - GLenum primitive_mode, u32 current_bindpoint); - - /** - * Configures the current textures to use for the draw command. - * @param stage The shader stage to configure textures for. - * @param shader The shader object that contains the specified stage. - * @param current_unit The offset at which to start counting unused texture units. - * @returns The next available bindpoint for use in the next shader stage. - */ - u32 SetupTextures(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, Shader& shader, - GLenum primitive_mode, u32 current_unit); + /// Configures the current constbuffers to use for the draw command. + void SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, const Shader& shader, + GLuint program_handle, BaseBindings base_bindings); + + /// Configures the current global memory entries to use for the draw command. + void SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, + const Shader& shader, GLenum primitive_mode, + BaseBindings base_bindings); + + /// Configures the current textures to use for the draw command. + void SetupTextures(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, const Shader& shader, + GLuint program_handle, BaseBindings base_bindings); /// Syncs the viewport and depth range to match the guest state void SyncViewport(OpenGLState& current_state); diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp index 54ec23f3a..90eda7814 100644 --- a/src/video_core/renderer_opengl/gl_shader_cache.cpp +++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp @@ -34,36 +34,25 @@ static ProgramCode GetShaderCode(VAddr addr) { return program_code; } -/// Helper function to set shader uniform block bindings for a single shader stage -static void SetShaderUniformBlockBinding(GLuint shader, const char* name, - Maxwell::ShaderStage binding, std::size_t expected_size) { - const GLuint ub_index = glGetUniformBlockIndex(shader, name); - if (ub_index == GL_INVALID_INDEX) { - return; +/// Gets the shader type from a Maxwell program type +constexpr GLenum GetShaderType(Maxwell::ShaderProgram program_type) { + switch (program_type) { + case Maxwell::ShaderProgram::VertexA: + case Maxwell::ShaderProgram::VertexB: + return GL_VERTEX_SHADER; + case Maxwell::ShaderProgram::Geometry: + return GL_GEOMETRY_SHADER; + case Maxwell::ShaderProgram::Fragment: + return GL_FRAGMENT_SHADER; + default: + return GL_NONE; } - - GLint ub_size = 0; - glGetActiveUniformBlockiv(shader, ub_index, GL_UNIFORM_BLOCK_DATA_SIZE, &ub_size); - ASSERT_MSG(static_cast<std::size_t>(ub_size) == expected_size, - "Uniform block size did not match! Got {}, expected {}", ub_size, expected_size); - glUniformBlockBinding(shader, ub_index, static_cast<GLuint>(binding)); -} - -/// Sets shader uniform block bindings for an entire shader program -static void SetShaderUniformBlockBindings(GLuint shader) { - SetShaderUniformBlockBinding(shader, "vs_config", Maxwell::ShaderStage::Vertex, - sizeof(GLShader::MaxwellUniformData)); - SetShaderUniformBlockBinding(shader, "gs_config", Maxwell::ShaderStage::Geometry, - sizeof(GLShader::MaxwellUniformData)); - SetShaderUniformBlockBinding(shader, "fs_config", Maxwell::ShaderStage::Fragment, - sizeof(GLShader::MaxwellUniformData)); } CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type) : addr{addr}, program_type{program_type}, setup{GetShaderCode(addr)} { GLShader::ProgramResult program_result; - GLenum gl_type{}; switch (program_type) { case Maxwell::ShaderProgram::VertexA: @@ -74,17 +63,14 @@ CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type) case Maxwell::ShaderProgram::VertexB: CalculateProperties(); program_result = GLShader::GenerateVertexShader(setup); - gl_type = GL_VERTEX_SHADER; break; case Maxwell::ShaderProgram::Geometry: CalculateProperties(); program_result = GLShader::GenerateGeometryShader(setup); - gl_type = GL_GEOMETRY_SHADER; break; case Maxwell::ShaderProgram::Fragment: CalculateProperties(); program_result = GLShader::GenerateFragmentShader(setup); - gl_type = GL_FRAGMENT_SHADER; break; default: LOG_CRITICAL(HW_GPU, "Unimplemented program_type={}", static_cast<u32>(program_type)); @@ -92,71 +78,105 @@ CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type) return; } + code = program_result.first; entries = program_result.second; shader_length = entries.shader_length; +} - if (program_type != Maxwell::ShaderProgram::Geometry) { - OGLShader shader; - shader.Create(program_result.first.c_str(), gl_type); - program.Create(true, shader.handle); - SetShaderUniformBlockBindings(program.handle); - LabelGLObject(GL_PROGRAM, program.handle, addr); +std::tuple<GLuint, BaseBindings> CachedShader::GetProgramHandle(GLenum primitive_mode, + BaseBindings base_bindings) { + GLuint handle{}; + if (program_type == Maxwell::ShaderProgram::Geometry) { + handle = GetGeometryShader(primitive_mode, base_bindings); } else { - // Store shader's code to lazily build it on draw - geometry_programs.code = program_result.first; + const auto [entry, is_cache_miss] = programs.try_emplace(base_bindings); + auto& program = entry->second; + if (is_cache_miss) { + std::string source = AllocateBindings(base_bindings); + source += code; + + OGLShader shader; + shader.Create(source.c_str(), GetShaderType(program_type)); + program.Create(true, shader.handle); + LabelGLObject(GL_PROGRAM, program.handle, addr); + } + + handle = program.handle; } + + // Add const buffer and samplers offset reserved by this shader. One UBO binding is reserved for + // emulation values + base_bindings.cbuf += static_cast<u32>(entries.const_buffers.size()) + 1; + base_bindings.gmem += static_cast<u32>(entries.global_memory_entries.size()); + base_bindings.sampler += static_cast<u32>(entries.samplers.size()); + + return {handle, base_bindings}; } -GLuint CachedShader::GetProgramResourceIndex(const GLShader::ConstBufferEntry& buffer) { - const auto search{cbuf_resource_cache.find(buffer.GetHash())}; - if (search == cbuf_resource_cache.end()) { - const GLuint index{ - glGetProgramResourceIndex(program.handle, GL_UNIFORM_BLOCK, buffer.GetName().c_str())}; - cbuf_resource_cache[buffer.GetHash()] = index; - return index; +std::string CachedShader::AllocateBindings(BaseBindings base_bindings) { + std::string code = "#version 430 core\n"; + code += fmt::format("#define EMULATION_UBO_BINDING {}\n", base_bindings.cbuf++); + + for (const auto& cbuf : entries.const_buffers) { + code += fmt::format("#define CBUF_BINDING_{} {}\n", cbuf.GetIndex(), base_bindings.cbuf++); } - return search->second; -} + for (const auto& gmem : entries.global_memory_entries) { + code += fmt::format("#define GMEM_BINDING_{}_{} {}\n", gmem.GetCbufIndex(), + gmem.GetCbufOffset(), base_bindings.gmem++); + } -GLuint CachedShader::GetProgramResourceIndex(const GLShader::GlobalMemoryEntry& global_mem) { - const auto search{gmem_resource_cache.find(global_mem.GetHash())}; - if (search == gmem_resource_cache.end()) { - const GLuint index{glGetProgramResourceIndex(program.handle, GL_SHADER_STORAGE_BLOCK, - global_mem.GetName().c_str())}; - gmem_resource_cache[global_mem.GetHash()] = index; - return index; + for (const auto& sampler : entries.samplers) { + code += fmt::format("#define SAMPLER_BINDING_{} {}\n", sampler.GetIndex(), + base_bindings.sampler++); } - return search->second; + return code; } -GLint CachedShader::GetUniformLocation(const GLShader::SamplerEntry& sampler) { - const auto search{uniform_cache.find(sampler.GetHash())}; - if (search == uniform_cache.end()) { - const GLint index{glGetUniformLocation(program.handle, sampler.GetName().c_str())}; - uniform_cache[sampler.GetHash()] = index; - return index; +GLuint CachedShader::GetGeometryShader(GLenum primitive_mode, BaseBindings base_bindings) { + const auto [entry, is_cache_miss] = geometry_programs.try_emplace(base_bindings); + auto& programs = entry->second; + + switch (primitive_mode) { + case GL_POINTS: + return LazyGeometryProgram(programs.points, base_bindings, "points", 1, "ShaderPoints"); + case GL_LINES: + case GL_LINE_STRIP: + return LazyGeometryProgram(programs.lines, base_bindings, "lines", 2, "ShaderLines"); + case GL_LINES_ADJACENCY: + case GL_LINE_STRIP_ADJACENCY: + return LazyGeometryProgram(programs.lines_adjacency, base_bindings, "lines_adjacency", 4, + "ShaderLinesAdjacency"); + case GL_TRIANGLES: + case GL_TRIANGLE_STRIP: + case GL_TRIANGLE_FAN: + return LazyGeometryProgram(programs.triangles, base_bindings, "triangles", 3, + "ShaderTriangles"); + case GL_TRIANGLES_ADJACENCY: + case GL_TRIANGLE_STRIP_ADJACENCY: + return LazyGeometryProgram(programs.triangles_adjacency, base_bindings, + "triangles_adjacency", 6, "ShaderTrianglesAdjacency"); + default: + UNREACHABLE_MSG("Unknown primitive mode."); + return LazyGeometryProgram(programs.points, base_bindings, "points", 1, "ShaderPoints"); } - - return search->second; } -GLuint CachedShader::LazyGeometryProgram(OGLProgram& target_program, +GLuint CachedShader::LazyGeometryProgram(OGLProgram& target_program, BaseBindings base_bindings, const std::string& glsl_topology, u32 max_vertices, const std::string& debug_name) { if (target_program.handle != 0) { return target_program.handle; } - std::string source = "#version 430 core\n"; + std::string source = AllocateBindings(base_bindings); source += "layout (" + glsl_topology + ") in;\n"; source += "#define MAX_VERTEX_INPUT " + std::to_string(max_vertices) + '\n'; - source += geometry_programs.code; + source += code; OGLShader shader; shader.Create(source.c_str(), GL_GEOMETRY_SHADER); target_program.Create(true, shader.handle); - SetShaderUniformBlockBindings(target_program.handle); LabelGLObject(GL_PROGRAM, target_program.handle, addr, debug_name); return target_program.handle; }; diff --git a/src/video_core/renderer_opengl/gl_shader_cache.h b/src/video_core/renderer_opengl/gl_shader_cache.h index 62b1733b4..904d15dd0 100644 --- a/src/video_core/renderer_opengl/gl_shader_cache.h +++ b/src/video_core/renderer_opengl/gl_shader_cache.h @@ -7,6 +7,9 @@ #include <array> #include <map> #include <memory> +#include <tuple> + +#include <glad/glad.h> #include "common/assert.h" #include "common/common_types.h" @@ -23,6 +26,16 @@ class RasterizerOpenGL; using Shader = std::shared_ptr<CachedShader>; using Maxwell = Tegra::Engines::Maxwell3D::Regs; +struct BaseBindings { + u32 cbuf{}; + u32 gmem{}; + u32 sampler{}; + + bool operator<(const BaseBindings& rhs) const { + return std::tie(cbuf, gmem, sampler) < std::tie(rhs.cbuf, rhs.gmem, rhs.sampler); + } +}; + class CachedShader final : public RasterizerCacheObject { public: CachedShader(VAddr addr, Maxwell::ShaderProgram program_type); @@ -44,71 +57,42 @@ public: } /// Gets the GL program handle for the shader - GLuint GetProgramHandle(GLenum primitive_mode) { - if (program_type != Maxwell::ShaderProgram::Geometry) { - return program.handle; - } - switch (primitive_mode) { - case GL_POINTS: - return LazyGeometryProgram(geometry_programs.points, "points", 1, "ShaderPoints"); - case GL_LINES: - case GL_LINE_STRIP: - return LazyGeometryProgram(geometry_programs.lines, "lines", 2, "ShaderLines"); - case GL_LINES_ADJACENCY: - case GL_LINE_STRIP_ADJACENCY: - return LazyGeometryProgram(geometry_programs.lines_adjacency, "lines_adjacency", 4, - "ShaderLinesAdjacency"); - case GL_TRIANGLES: - case GL_TRIANGLE_STRIP: - case GL_TRIANGLE_FAN: - return LazyGeometryProgram(geometry_programs.triangles, "triangles", 3, - "ShaderTriangles"); - case GL_TRIANGLES_ADJACENCY: - case GL_TRIANGLE_STRIP_ADJACENCY: - return LazyGeometryProgram(geometry_programs.triangles_adjacency, "triangles_adjacency", - 6, "ShaderTrianglesAdjacency"); - default: - UNREACHABLE_MSG("Unknown primitive mode."); - return LazyGeometryProgram(geometry_programs.points, "points", 1, "ShaderPoints"); - } - } + std::tuple<GLuint, BaseBindings> GetProgramHandle(GLenum primitive_mode, + BaseBindings base_bindings); - /// Gets the GL program resource location for the specified resource, caching as needed - GLuint GetProgramResourceIndex(const GLShader::ConstBufferEntry& buffer); +private: + // Geometry programs. These are needed because GLSL needs an input topology but it's not + // declared by the hardware. Workaround this issue by generating a different shader per input + // topology class. + struct GeometryPrograms { + OGLProgram points; + OGLProgram lines; + OGLProgram lines_adjacency; + OGLProgram triangles; + OGLProgram triangles_adjacency; + }; - /// Gets the GL program resource location for the specified resource, caching as needed - GLuint GetProgramResourceIndex(const GLShader::GlobalMemoryEntry& global_mem); + std::string AllocateBindings(BaseBindings base_bindings); - /// Gets the GL uniform location for the specified resource, caching as needed - GLint GetUniformLocation(const GLShader::SamplerEntry& sampler); + GLuint GetGeometryShader(GLenum primitive_mode, BaseBindings base_bindings); -private: /// Generates a geometry shader or returns one that already exists. - GLuint LazyGeometryProgram(OGLProgram& target_program, const std::string& glsl_topology, - u32 max_vertices, const std::string& debug_name); + GLuint LazyGeometryProgram(OGLProgram& target_program, BaseBindings base_bindings, + const std::string& glsl_topology, u32 max_vertices, + const std::string& debug_name); void CalculateProperties(); - VAddr addr; - std::size_t shader_length; - Maxwell::ShaderProgram program_type; + VAddr addr{}; + std::size_t shader_length{}; + Maxwell::ShaderProgram program_type{}; GLShader::ShaderSetup setup; GLShader::ShaderEntries entries; - // Non-geometry program. - OGLProgram program; + std::string code; - // Geometry programs. These are needed because GLSL needs an input topology but it's not - // declared by the hardware. Workaround this issue by generating a different shader per input - // topology class. - struct { - std::string code; - OGLProgram points; - OGLProgram lines; - OGLProgram lines_adjacency; - OGLProgram triangles; - OGLProgram triangles_adjacency; - } geometry_programs; + std::map<BaseBindings, OGLProgram> programs; + std::map<BaseBindings, GeometryPrograms> geometry_programs; std::map<u32, GLuint> cbuf_resource_cache; std::map<u32, GLuint> gmem_resource_cache; diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index e072216f0..004245431 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -374,7 +374,8 @@ private: void DeclareConstantBuffers() { for (const auto& entry : ir.GetConstantBuffers()) { const auto [index, size] = entry; - code.AddLine("layout (std140) uniform " + GetConstBufferBlock(index) + " {"); + code.AddLine("layout (std140, binding = CBUF_BINDING_" + std::to_string(index) + + ") uniform " + GetConstBufferBlock(index) + " {"); code.AddLine(" vec4 " + GetConstBuffer(index) + "[MAX_CONSTBUFFER_ELEMENTS];"); code.AddLine("};"); code.AddNewLine(); @@ -383,7 +384,10 @@ private: void DeclareGlobalMemory() { for (const auto& entry : ir.GetGlobalMemoryBases()) { - code.AddLine("layout (std430) buffer " + GetGlobalMemoryBlock(entry) + " {"); + const std::string binding = + fmt::format("GMEM_BINDING_{}_{}", entry.cbuf_index, entry.cbuf_offset); + code.AddLine("layout (std430, binding = " + binding + ") buffer " + + GetGlobalMemoryBlock(entry) + " {"); code.AddLine(" float " + GetGlobalMemory(entry) + "[MAX_GLOBALMEMORY_ELEMENTS];"); code.AddLine("};"); code.AddNewLine(); @@ -413,7 +417,8 @@ private: if (sampler.IsShadow()) sampler_type += "Shadow"; - code.AddLine("uniform " + sampler_type + ' ' + GetSampler(sampler) + ';'); + code.AddLine("layout (binding = SAMPLER_BINDING_" + std::to_string(sampler.GetIndex()) + + ") uniform " + sampler_type + ' ' + GetSampler(sampler) + ';'); } if (!samplers.empty()) code.AddNewLine(); diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.h b/src/video_core/renderer_opengl/gl_shader_decompiler.h index e47bc3729..0856a1361 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.h +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.h @@ -38,10 +38,6 @@ public: return index; } - u32 GetHash() const { - return (static_cast<u32>(stage) << 16) | index; - } - private: std::string name; Maxwell::ShaderStage stage{}; @@ -62,10 +58,6 @@ public: return stage; } - u32 GetHash() const { - return (static_cast<u32>(stage) << 16) | static_cast<u32>(GetIndex()); - } - private: std::string name; Maxwell::ShaderStage stage{}; @@ -93,10 +85,6 @@ public: return stage; } - u32 GetHash() const { - return (static_cast<u32>(stage) << 24) | (cbuf_index << 16) | cbuf_offset; - } - private: u32 cbuf_index{}; u32 cbuf_offset{}; diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 446d1a93f..04e1db911 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -20,15 +20,14 @@ static constexpr u32 PROGRAM_OFFSET{10}; ProgramResult GenerateVertexShader(const ShaderSetup& setup) { const std::string id = fmt::format("{:016x}", setup.program.unique_identifier); - std::string out = "#version 430 core\n"; - out += "#extension GL_ARB_separate_shader_objects : enable\n\n"; + std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n"; out += "// Shader Unique Id: VS" + id + "\n\n"; out += GetCommonDeclarations(); out += R"( layout (location = 0) out vec4 position; -layout(std140) uniform vs_config { +layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding uvec4 alpha_test; @@ -78,7 +77,6 @@ void main() { } ProgramResult GenerateGeometryShader(const ShaderSetup& setup) { - // Version is intentionally skipped in shader generation, it's added by the lazy compilation. const std::string id = fmt::format("{:016x}", setup.program.unique_identifier); std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n"; @@ -89,7 +87,7 @@ ProgramResult GenerateGeometryShader(const ShaderSetup& setup) { layout (location = 0) in vec4 gs_position[]; layout (location = 0) out vec4 position; -layout (std140) uniform gs_config { +layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding uvec4 alpha_test; @@ -112,8 +110,7 @@ void main() { ProgramResult GenerateFragmentShader(const ShaderSetup& setup) { const std::string id = fmt::format("{:016x}", setup.program.unique_identifier); - std::string out = "#version 430 core\n"; - out += "#extension GL_ARB_separate_shader_objects : enable\n\n"; + std::string out = "#extension GL_ARB_separate_shader_objects : enable\n\n"; out += "// Shader Unique Id: FS" + id + "\n\n"; out += GetCommonDeclarations(); @@ -129,7 +126,7 @@ layout (location = 7) out vec4 FragColor7; layout (location = 0) in vec4 position; -layout (std140) uniform fs_config { +layout (std140, binding = EMULATION_UBO_BINDING) uniform fs_config { vec4 viewport_flip; uvec4 config_pack; // instance_id, flip_stage, y_direction, padding uvec4 alpha_test; |