From 6b775034dd8343c06369b64bf073d6a70f35f510 Mon Sep 17 00:00:00 2001 From: Dwayne Slater Date: Wed, 2 Mar 2016 22:16:38 -0500 Subject: Add immediate mode vertex submission --- src/video_core/command_processor.cpp | 48 +++++++++++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) (limited to 'src/video_core/command_processor.cpp') diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp index 73fdfbe9c..2f92be661 100644 --- a/src/video_core/command_processor.cpp +++ b/src/video_core/command_processor.cpp @@ -15,6 +15,7 @@ #include "video_core/clipper.h" #include "video_core/command_processor.h" #include "video_core/pica.h" +#include "video_core/pica_state.h" #include "video_core/primitive_assembly.h" #include "video_core/renderer_base.h" #include "video_core/video_core.h" @@ -73,6 +74,14 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) { GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::P3D); break; + case PICA_REG_INDEX_WORKAROUND(vs_default_attributes_setup.index, 0x232): + if (regs.vs_default_attributes_setup.index == 15) { + // Reset immediate primitive state + g_state.immediate.primitive_assembler.Reconfigure(regs.triangle_topology); + g_state.immediate.attribute_id = 0; + } + break; + // Load default vertex input attributes case PICA_REG_INDEX_WORKAROUND(vs_default_attributes_setup.set_value[0], 0x233): case PICA_REG_INDEX_WORKAROUND(vs_default_attributes_setup.set_value[1], 0x234): @@ -108,11 +117,48 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) { attribute.w.ToFloat32()); // TODO: Verify that this actually modifies the register! - setup.index = setup.index + 1; + if (setup.index < 15) { + 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; + auto& immediate_attribute_id = g_state.immediate.attribute_id; + const auto& attribute_config = regs.vertex_attributes; + + immediate_input.attr[immediate_attribute_id++] = attribute; + + if (immediate_attribute_id >= attribute_config.GetNumTotalAttributes()) { + immediate_attribute_id = 0; + + Shader::UnitState shader_unit; + Shader::Setup(shader_unit); + + // Send to vertex shader + Shader::OutputVertex output = Shader::Run(shader_unit, immediate_input, attribute_config.GetNumTotalAttributes()); + + // Send to renderer + using Pica::Shader::OutputVertex; + auto AddTriangle = [](const OutputVertex& v0, const OutputVertex& v1, const OutputVertex& v2) { + VideoCore::g_renderer->rasterizer->AddTriangle(v0, v1, v2); + }; + + g_state.immediate.primitive_assembler.SubmitVertex(output, AddTriangle); + } + } } break; } + case PICA_REG_INDEX(gpu_mode): + if (regs.gpu_mode == Regs::GPUMode::Configuring && regs.vs_default_attributes_setup.index == 15) { + // Draw immediate mode triangles when GPU Mode is set to GPUMode::Configuring + VideoCore::g_renderer->rasterizer->DrawTriangles(); + } + break; + case PICA_REG_INDEX_WORKAROUND(command_buffer.trigger[0], 0x23c): case PICA_REG_INDEX_WORKAROUND(command_buffer.trigger[1], 0x23d): { -- cgit v1.2.3