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Add immediate mode vertex submission

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This commit is contained in:
Dwayne Slater 2016-03-02 22:16:38 -05:00
parent 15c904d19d
commit 141fe87a0f
21 changed files with 177 additions and 61 deletions
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48
src/video_core/command_processor.cpp
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@ -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<false> 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):
{