diff options
Diffstat (limited to 'src/video_core')
| -rw-r--r-- | src/video_core/command_processor.cpp | 439 |
1 files changed, 222 insertions, 217 deletions
diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp index 3ab4af374..caf9f7a06 100644 --- a/src/video_core/command_processor.cpp +++ b/src/video_core/command_processor.cpp @@ -119,6 +119,224 @@ static void WriteUniformFloatReg(ShaderRegs& config, Shader::ShaderSetup& setup, } } +static void LoadDefaultVertexAttributes(u32 register_value) { + auto& regs = g_state.regs; + + // TODO: Does actual hardware indeed keep an intermediate buffer or does + // it directly write the values? + default_attr_write_buffer[default_attr_counter++] = register_value; + + // Default attributes are written in a packed format such that four float24 values are encoded + // in three 32-bit numbers. + // We write to internal memory once a full such vector is written. + if (default_attr_counter >= 3) { + default_attr_counter = 0; + + auto& setup = regs.pipeline.vs_default_attributes_setup; + + if (setup.index >= 16) { + LOG_ERROR(HW_GPU, "Invalid VS default attribute index %d", (int)setup.index); + return; + } + + Math::Vec4<float24> attribute; + + // NOTE: The destination component order indeed is "backwards" + attribute.w = float24::FromRaw(default_attr_write_buffer[0] >> 8); + attribute.z = float24::FromRaw(((default_attr_write_buffer[0] & 0xFF) << 16) | + ((default_attr_write_buffer[1] >> 16) & 0xFFFF)); + attribute.y = float24::FromRaw(((default_attr_write_buffer[1] & 0xFFFF) << 8) | + ((default_attr_write_buffer[2] >> 24) & 0xFF)); + attribute.x = float24::FromRaw(default_attr_write_buffer[2] & 0xFFFFFF); + + LOG_TRACE(HW_GPU, "Set default VS attribute %x to (%f %f %f %f)", (int)setup.index, + attribute.x.ToFloat32(), attribute.y.ToFloat32(), attribute.z.ToFloat32(), + attribute.w.ToFloat32()); + + // TODO: Verify that this actually modifies the register! + if (setup.index < 15) { + g_state.input_default_attributes.attr[setup.index] = attribute; + setup.index++; + } else { + // Put each attribute into an immediate input buffer. When all specified immediate + // attributes are present, the Vertex Shader is invoked and everything is sent to + // the primitive assembler. + + auto& immediate_input = g_state.immediate.input_vertex; + auto& immediate_attribute_id = g_state.immediate.current_attribute; + + immediate_input.attr[immediate_attribute_id] = attribute; + + if (immediate_attribute_id < regs.pipeline.max_input_attrib_index) { + immediate_attribute_id += 1; + } else { + MICROPROFILE_SCOPE(GPU_Drawing); + immediate_attribute_id = 0; + + auto* shader_engine = Shader::GetEngine(); + shader_engine->SetupBatch(g_state.vs, regs.vs.main_offset); + + // Send to vertex shader + if (g_debug_context) + g_debug_context->OnEvent(DebugContext::Event::VertexShaderInvocation, + static_cast<void*>(&immediate_input)); + Shader::UnitState shader_unit; + Shader::AttributeBuffer output{}; + + shader_unit.LoadInput(regs.vs, immediate_input); + shader_engine->Run(g_state.vs, shader_unit); + shader_unit.WriteOutput(regs.vs, output); + + // Send to geometry pipeline + if (g_state.immediate.reset_geometry_pipeline) { + g_state.geometry_pipeline.Reconfigure(); + g_state.immediate.reset_geometry_pipeline = false; + } + ASSERT(!g_state.geometry_pipeline.NeedIndexInput()); + g_state.geometry_pipeline.Setup(shader_engine); + g_state.geometry_pipeline.SubmitVertex(output); + + // TODO: If drawing after every immediate mode triangle kills performance, + // change it to flush triangles whenever a drawing config register changes + // See: https://github.com/citra-emu/citra/pull/2866#issuecomment-327011550 + VideoCore::g_renderer->Rasterizer()->DrawTriangles(); + if (g_debug_context) { + g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch, nullptr); + } + } + } + } +} + +static void Draw(u32 command_id) { + MICROPROFILE_SCOPE(GPU_Drawing); + auto& regs = g_state.regs; + +#if PICA_LOG_TEV + DebugUtils::DumpTevStageConfig(regs.GetTevStages()); +#endif + if (g_debug_context) + g_debug_context->OnEvent(DebugContext::Event::IncomingPrimitiveBatch, nullptr); + + // Processes information about internal vertex attributes to figure out how a vertex is + // loaded. + // Later, these can be compiled and cached. + const u32 base_address = regs.pipeline.vertex_attributes.GetPhysicalBaseAddress(); + VertexLoader loader(regs.pipeline); + + // Load vertices + bool is_indexed = (command_id == PICA_REG_INDEX(pipeline.trigger_draw_indexed)); + + const auto& index_info = regs.pipeline.index_array; + const u8* index_address_8 = Memory::GetPhysicalPointer(base_address + index_info.offset); + const u16* index_address_16 = reinterpret_cast<const u16*>(index_address_8); + bool index_u16 = index_info.format != 0; + + PrimitiveAssembler<Shader::OutputVertex>& primitive_assembler = g_state.primitive_assembler; + + if (g_debug_context && g_debug_context->recorder) { + for (int i = 0; i < 3; ++i) { + const auto texture = regs.texturing.GetTextures()[i]; + if (!texture.enabled) + continue; + + u8* texture_data = Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress()); + g_debug_context->recorder->MemoryAccessed( + texture_data, Pica::TexturingRegs::NibblesPerPixel(texture.format) * + texture.config.width / 2 * texture.config.height, + texture.config.GetPhysicalAddress()); + } + } + + DebugUtils::MemoryAccessTracker memory_accesses; + + // Simple circular-replacement vertex cache + // The size has been tuned for optimal balance between hit-rate and the cost of lookup + const size_t VERTEX_CACHE_SIZE = 32; + std::array<u16, VERTEX_CACHE_SIZE> vertex_cache_ids; + std::array<Shader::AttributeBuffer, VERTEX_CACHE_SIZE> vertex_cache; + Shader::AttributeBuffer vs_output; + + unsigned int vertex_cache_pos = 0; + vertex_cache_ids.fill(-1); + + auto* shader_engine = Shader::GetEngine(); + Shader::UnitState shader_unit; + + shader_engine->SetupBatch(g_state.vs, regs.vs.main_offset); + + g_state.geometry_pipeline.Reconfigure(); + g_state.geometry_pipeline.Setup(shader_engine); + if (g_state.geometry_pipeline.NeedIndexInput()) + ASSERT(is_indexed); + + for (unsigned int index = 0; index < regs.pipeline.num_vertices; ++index) { + // Indexed rendering doesn't use the start offset + unsigned int vertex = is_indexed + ? (index_u16 ? index_address_16[index] : index_address_8[index]) + : (index + regs.pipeline.vertex_offset); + + // -1 is a common special value used for primitive restart. Since it's unknown if + // the PICA supports it, and it would mess up the caching, guard against it here. + ASSERT(vertex != -1); + + bool vertex_cache_hit = false; + + if (is_indexed) { + if (g_state.geometry_pipeline.NeedIndexInput()) { + g_state.geometry_pipeline.SubmitIndex(vertex); + continue; + } + + if (g_debug_context && Pica::g_debug_context->recorder) { + int size = index_u16 ? 2 : 1; + memory_accesses.AddAccess(base_address + index_info.offset + size * index, size); + } + + for (unsigned int i = 0; i < VERTEX_CACHE_SIZE; ++i) { + if (vertex == vertex_cache_ids[i]) { + vs_output = vertex_cache[i]; + vertex_cache_hit = true; + break; + } + } + } + + if (!vertex_cache_hit) { + // Initialize data for the current vertex + Shader::AttributeBuffer input; + loader.LoadVertex(base_address, index, vertex, input, memory_accesses); + + // Send to vertex shader + if (g_debug_context) + g_debug_context->OnEvent(DebugContext::Event::VertexShaderInvocation, + (void*)&input); + shader_unit.LoadInput(regs.vs, input); + shader_engine->Run(g_state.vs, shader_unit); + shader_unit.WriteOutput(regs.vs, vs_output); + + if (is_indexed) { + vertex_cache[vertex_cache_pos] = vs_output; + vertex_cache_ids[vertex_cache_pos] = vertex; + vertex_cache_pos = (vertex_cache_pos + 1) % VERTEX_CACHE_SIZE; + } + } + + // Send to geometry pipeline + g_state.geometry_pipeline.SubmitVertex(vs_output); + } + + for (auto& range : memory_accesses.ranges) { + g_debug_context->recorder->MemoryAccessed(Memory::GetPhysicalPointer(range.first), + range.second, range.first); + } + + VideoCore::g_renderer->Rasterizer()->DrawTriangles(); + if (g_debug_context) { + g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch, nullptr); + } +} + static void WritePicaReg(u32 id, u32 value, u32 mask) { auto& regs = g_state.regs; @@ -168,95 +386,9 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) { // Load default vertex input attributes case PICA_REG_INDEX_WORKAROUND(pipeline.vs_default_attributes_setup.set_value[0], 0x233): case PICA_REG_INDEX_WORKAROUND(pipeline.vs_default_attributes_setup.set_value[1], 0x234): - case PICA_REG_INDEX_WORKAROUND(pipeline.vs_default_attributes_setup.set_value[2], 0x235): { - // TODO: Does actual hardware indeed keep an intermediate buffer or does - // it directly write the values? - default_attr_write_buffer[default_attr_counter++] = value; - - // Default attributes are written in a packed format such that four float24 values are - // encoded in - // three 32-bit numbers. We write to internal memory once a full such vector is - // written. - if (default_attr_counter >= 3) { - default_attr_counter = 0; - - auto& setup = regs.pipeline.vs_default_attributes_setup; - - if (setup.index >= 16) { - LOG_ERROR(HW_GPU, "Invalid VS default attribute index %d", (int)setup.index); - break; - } - - Math::Vec4<float24> attribute; - - // NOTE: The destination component order indeed is "backwards" - attribute.w = float24::FromRaw(default_attr_write_buffer[0] >> 8); - attribute.z = float24::FromRaw(((default_attr_write_buffer[0] & 0xFF) << 16) | - ((default_attr_write_buffer[1] >> 16) & 0xFFFF)); - attribute.y = float24::FromRaw(((default_attr_write_buffer[1] & 0xFFFF) << 8) | - ((default_attr_write_buffer[2] >> 24) & 0xFF)); - attribute.x = float24::FromRaw(default_attr_write_buffer[2] & 0xFFFFFF); - - LOG_TRACE(HW_GPU, "Set default VS attribute %x to (%f %f %f %f)", (int)setup.index, - attribute.x.ToFloat32(), attribute.y.ToFloat32(), attribute.z.ToFloat32(), - attribute.w.ToFloat32()); - - // TODO: Verify that this actually modifies the register! - if (setup.index < 15) { - g_state.input_default_attributes.attr[setup.index] = attribute; - setup.index++; - } else { - // Put each attribute into an immediate input buffer. When all specified immediate - // attributes are present, the Vertex Shader is invoked and everything is sent to - // the primitive assembler. - - auto& immediate_input = g_state.immediate.input_vertex; - auto& immediate_attribute_id = g_state.immediate.current_attribute; - - immediate_input.attr[immediate_attribute_id] = attribute; - - if (immediate_attribute_id < regs.pipeline.max_input_attrib_index) { - immediate_attribute_id += 1; - } else { - MICROPROFILE_SCOPE(GPU_Drawing); - immediate_attribute_id = 0; - - auto* shader_engine = Shader::GetEngine(); - shader_engine->SetupBatch(g_state.vs, regs.vs.main_offset); - - // Send to vertex shader - if (g_debug_context) - g_debug_context->OnEvent(DebugContext::Event::VertexShaderInvocation, - static_cast<void*>(&immediate_input)); - Shader::UnitState shader_unit; - Shader::AttributeBuffer output{}; - - shader_unit.LoadInput(regs.vs, immediate_input); - shader_engine->Run(g_state.vs, shader_unit); - shader_unit.WriteOutput(regs.vs, output); - - // Send to geometry pipeline - if (g_state.immediate.reset_geometry_pipeline) { - g_state.geometry_pipeline.Reconfigure(); - g_state.immediate.reset_geometry_pipeline = false; - } - ASSERT(!g_state.geometry_pipeline.NeedIndexInput()); - g_state.geometry_pipeline.Setup(shader_engine); - g_state.geometry_pipeline.SubmitVertex(output); - - // TODO: If drawing after every immediate mode triangle kills performance, - // change it to flush triangles whenever a drawing config register changes - // See: https://github.com/citra-emu/citra/pull/2866#issuecomment-327011550 - VideoCore::g_renderer->Rasterizer()->DrawTriangles(); - if (g_debug_context) { - g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch, - nullptr); - } - } - } - } + case PICA_REG_INDEX_WORKAROUND(pipeline.vs_default_attributes_setup.set_value[2], 0x235): + LoadDefaultVertexAttributes(value); break; - } case PICA_REG_INDEX(pipeline.gpu_mode): // This register likely just enables vertex processing and doesn't need any special handling @@ -275,136 +407,9 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) { // It seems like these trigger vertex rendering case PICA_REG_INDEX(pipeline.trigger_draw): - case PICA_REG_INDEX(pipeline.trigger_draw_indexed): { - MICROPROFILE_SCOPE(GPU_Drawing); - -#if PICA_LOG_TEV - DebugUtils::DumpTevStageConfig(regs.GetTevStages()); -#endif - if (g_debug_context) - g_debug_context->OnEvent(DebugContext::Event::IncomingPrimitiveBatch, nullptr); - - // Processes information about internal vertex attributes to figure out how a vertex is - // loaded. - // Later, these can be compiled and cached. - const u32 base_address = regs.pipeline.vertex_attributes.GetPhysicalBaseAddress(); - VertexLoader loader(regs.pipeline); - - // Load vertices - bool is_indexed = (id == PICA_REG_INDEX(pipeline.trigger_draw_indexed)); - - const auto& index_info = regs.pipeline.index_array; - const u8* index_address_8 = Memory::GetPhysicalPointer(base_address + index_info.offset); - const u16* index_address_16 = reinterpret_cast<const u16*>(index_address_8); - bool index_u16 = index_info.format != 0; - - PrimitiveAssembler<Shader::OutputVertex>& primitive_assembler = g_state.primitive_assembler; - - if (g_debug_context && g_debug_context->recorder) { - for (int i = 0; i < 3; ++i) { - const auto texture = regs.texturing.GetTextures()[i]; - if (!texture.enabled) - continue; - - u8* texture_data = Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress()); - g_debug_context->recorder->MemoryAccessed( - texture_data, Pica::TexturingRegs::NibblesPerPixel(texture.format) * - texture.config.width / 2 * texture.config.height, - texture.config.GetPhysicalAddress()); - } - } - - DebugUtils::MemoryAccessTracker memory_accesses; - - // Simple circular-replacement vertex cache - // The size has been tuned for optimal balance between hit-rate and the cost of lookup - const size_t VERTEX_CACHE_SIZE = 32; - std::array<u16, VERTEX_CACHE_SIZE> vertex_cache_ids; - std::array<Shader::AttributeBuffer, VERTEX_CACHE_SIZE> vertex_cache; - Shader::AttributeBuffer vs_output; - - unsigned int vertex_cache_pos = 0; - vertex_cache_ids.fill(-1); - - auto* shader_engine = Shader::GetEngine(); - Shader::UnitState shader_unit; - - shader_engine->SetupBatch(g_state.vs, regs.vs.main_offset); - - g_state.geometry_pipeline.Reconfigure(); - g_state.geometry_pipeline.Setup(shader_engine); - if (g_state.geometry_pipeline.NeedIndexInput()) - ASSERT(is_indexed); - - for (unsigned int index = 0; index < regs.pipeline.num_vertices; ++index) { - // Indexed rendering doesn't use the start offset - unsigned int vertex = - is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) - : (index + regs.pipeline.vertex_offset); - - // -1 is a common special value used for primitive restart. Since it's unknown if - // the PICA supports it, and it would mess up the caching, guard against it here. - ASSERT(vertex != -1); - - bool vertex_cache_hit = false; - - if (is_indexed) { - if (g_state.geometry_pipeline.NeedIndexInput()) { - g_state.geometry_pipeline.SubmitIndex(vertex); - continue; - } - - if (g_debug_context && Pica::g_debug_context->recorder) { - int size = index_u16 ? 2 : 1; - memory_accesses.AddAccess(base_address + index_info.offset + size * index, - size); - } - - for (unsigned int i = 0; i < VERTEX_CACHE_SIZE; ++i) { - if (vertex == vertex_cache_ids[i]) { - vs_output = vertex_cache[i]; - vertex_cache_hit = true; - break; - } - } - } - - if (!vertex_cache_hit) { - // Initialize data for the current vertex - Shader::AttributeBuffer input; - loader.LoadVertex(base_address, index, vertex, input, memory_accesses); - - // Send to vertex shader - if (g_debug_context) - g_debug_context->OnEvent(DebugContext::Event::VertexShaderInvocation, - (void*)&input); - shader_unit.LoadInput(regs.vs, input); - shader_engine->Run(g_state.vs, shader_unit); - shader_unit.WriteOutput(regs.vs, vs_output); - - if (is_indexed) { - vertex_cache[vertex_cache_pos] = vs_output; - vertex_cache_ids[vertex_cache_pos] = vertex; - vertex_cache_pos = (vertex_cache_pos + 1) % VERTEX_CACHE_SIZE; - } - } - - // Send to geometry pipeline - g_state.geometry_pipeline.SubmitVertex(vs_output); - } - - for (auto& range : memory_accesses.ranges) { - g_debug_context->recorder->MemoryAccessed(Memory::GetPhysicalPointer(range.first), - range.second, range.first); - } - - VideoCore::g_renderer->Rasterizer()->DrawTriangles(); - if (g_debug_context) { - g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch, nullptr); - } - + case PICA_REG_INDEX(pipeline.trigger_draw_indexed): + Draw(id); break; - } case PICA_REG_INDEX(gs.bool_uniforms): WriteUniformBoolReg(g_state.gs, g_state.regs.gs.bool_uniforms.Value()); |