diff options
Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 146 |
1 files changed, 103 insertions, 43 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 587d9dffb..60dcdc184 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -42,6 +42,41 @@ MICROPROFILE_DEFINE(OpenGL_Framebuffer, "OpenGL", "Framebuffer Setup", MP_RGB(12 MICROPROFILE_DEFINE(OpenGL_Drawing, "OpenGL", "Drawing", MP_RGB(128, 128, 192)); MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(128, 128, 192)); MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100, 255, 100)); +MICROPROFILE_DEFINE(OpenGL_PrimitiveAssembly, "OpenGL", "Prim Asmbl", MP_RGB(255, 100, 100)); + +struct DrawParameters { + GLenum primitive_mode; + GLsizei count; + GLint current_instance; + bool use_indexed; + + GLint vertex_first; + + GLenum index_format; + GLint base_vertex; + GLintptr index_buffer_offset; + + void DispatchDraw() const { + if (use_indexed) { + const auto index_buffer_ptr = reinterpret_cast<const void*>(index_buffer_offset); + if (current_instance > 0) { + glDrawElementsInstancedBaseVertexBaseInstance(primitive_mode, count, index_format, + index_buffer_ptr, 1, base_vertex, + current_instance); + } else { + glDrawElementsBaseVertex(primitive_mode, count, index_format, index_buffer_ptr, + base_vertex); + } + } else { + if (current_instance > 0) { + glDrawArraysInstancedBaseInstance(primitive_mode, vertex_first, count, 1, + current_instance); + } else { + glDrawArrays(primitive_mode, vertex_first, count); + } + } + } +}; RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& window, ScreenInfo& info) : emu_window{window}, screen_info{info}, buffer_cache(STREAM_BUFFER_SIZE) { @@ -172,6 +207,53 @@ void RasterizerOpenGL::SetupVertexArrays() { } } +DrawParameters RasterizerOpenGL::SetupDraw() { + const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D(); + const auto& regs = gpu.regs; + const bool is_indexed = accelerate_draw == AccelDraw::Indexed; + + DrawParameters params{}; + params.current_instance = gpu.state.current_instance; + + if (regs.draw.topology == Maxwell::PrimitiveTopology::Quads) { + MICROPROFILE_SCOPE(OpenGL_PrimitiveAssembly); + + params.use_indexed = true; + params.primitive_mode = GL_TRIANGLES; + + if (is_indexed) { + params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format); + params.count = (regs.index_array.count / 4) * 6; + params.index_buffer_offset = primitive_assembler.MakeQuadIndexed( + regs.index_array.IndexStart(), regs.index_array.FormatSizeInBytes(), + regs.index_array.count); + params.base_vertex = static_cast<GLint>(regs.vb_element_base); + } else { + // MakeQuadArray always generates u32 indexes + params.index_format = GL_UNSIGNED_INT; + params.count = (regs.vertex_buffer.count / 4) * 6; + params.index_buffer_offset = + primitive_assembler.MakeQuadArray(regs.vertex_buffer.first, params.count); + } + return params; + } + + params.use_indexed = is_indexed; + params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology); + + if (is_indexed) { + MICROPROFILE_SCOPE(OpenGL_Index); + params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format); + params.count = regs.index_array.count; + params.index_buffer_offset = + buffer_cache.UploadMemory(regs.index_array.IndexStart(), CalculateIndexBufferSize()); + params.base_vertex = static_cast<GLint>(regs.vb_element_base); + } else { + params.count = regs.vertex_buffer.count; + params.vertex_first = regs.vertex_buffer.first; + } +} + void RasterizerOpenGL::SetupShaders() { MICROPROFILE_SCOPE(OpenGL_Shader); const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D(); @@ -256,6 +338,13 @@ std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const { return size; } +std::size_t RasterizerOpenGL::CalculateIndexBufferSize() const { + const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs; + + return static_cast<std::size_t>(regs.index_array.count) * + static_cast<std::size_t>(regs.index_array.FormatSizeInBytes()); +} + bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) { accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays; DrawArrays(); @@ -459,16 +548,23 @@ void RasterizerOpenGL::DrawArrays() { // Draw the vertex batch const bool is_indexed = accelerate_draw == AccelDraw::Indexed; - const u64 index_buffer_size{static_cast<u64>(regs.index_array.count) * - static_cast<u64>(regs.index_array.FormatSizeInBytes())}; state.draw.vertex_buffer = buffer_cache.GetHandle(); state.Apply(); std::size_t buffer_size = CalculateVertexArraysSize(); - if (is_indexed) { - buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + index_buffer_size; + // Add space for index buffer (keeping in mind non-core primitives) + switch (regs.draw.topology) { + case Maxwell::PrimitiveTopology::Quads: + buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + + primitive_assembler.CalculateQuadSize(regs.vertex_buffer.count); + break; + default: + if (is_indexed) { + buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) + CalculateIndexBufferSize(); + } + break; } // Uniform space for the 5 shader stages @@ -482,20 +578,7 @@ void RasterizerOpenGL::DrawArrays() { buffer_cache.Map(buffer_size); SetupVertexArrays(); - - // If indexed mode, copy the index buffer - GLintptr index_buffer_offset = 0; - if (is_indexed) { - MICROPROFILE_SCOPE(OpenGL_Index); - - // Adjust the index buffer offset so it points to the first desired index. - auto index_start = regs.index_array.StartAddress(); - index_start += static_cast<size_t>(regs.index_array.first) * - static_cast<size_t>(regs.index_array.FormatSizeInBytes()); - - index_buffer_offset = buffer_cache.UploadMemory(index_start, index_buffer_size); - } - + DrawParameters params = SetupDraw(); SetupShaders(); buffer_cache.Unmap(); @@ -503,31 +586,8 @@ void RasterizerOpenGL::DrawArrays() { shader_program_manager->ApplyTo(state); state.Apply(); - const GLenum primitive_mode{MaxwellToGL::PrimitiveTopology(regs.draw.topology)}; - if (is_indexed) { - const GLint base_vertex{static_cast<GLint>(regs.vb_element_base)}; - - if (gpu.state.current_instance > 0) { - glDrawElementsInstancedBaseVertexBaseInstance( - primitive_mode, regs.index_array.count, - MaxwellToGL::IndexFormat(regs.index_array.format), - reinterpret_cast<const void*>(index_buffer_offset), 1, base_vertex, - gpu.state.current_instance); - } else { - glDrawElementsBaseVertex(primitive_mode, regs.index_array.count, - MaxwellToGL::IndexFormat(regs.index_array.format), - reinterpret_cast<const void*>(index_buffer_offset), - base_vertex); - } - } else { - if (gpu.state.current_instance > 0) { - glDrawArraysInstancedBaseInstance(primitive_mode, regs.vertex_buffer.first, - regs.vertex_buffer.count, 1, - gpu.state.current_instance); - } else { - glDrawArrays(primitive_mode, regs.vertex_buffer.first, regs.vertex_buffer.count); - } - } + // Execute draw call + params.DispatchDraw(); // Disable scissor test state.scissor.enabled = false; |