2014-07-27 14:58:30 +02:00
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// Copyright 2014 Citra Emulator Project
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2014-12-17 06:38:14 +01:00
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// Licensed under GPLv2 or any later version
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2014-07-27 14:58:30 +02:00
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// Refer to the license.txt file included.
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#include "pica.h"
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#include "primitive_assembly.h"
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2015-07-22 01:09:11 +02:00
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#include "shader/shader_interpreter.h"
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2014-07-27 14:58:30 +02:00
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2015-01-21 02:16:47 +01:00
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#include "common/logging/log.h"
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2014-08-17 17:44:55 +02:00
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#include "video_core/debug_utils/debug_utils.h"
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2014-07-27 14:58:30 +02:00
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2014-08-17 17:44:55 +02:00
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namespace Pica {
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2014-07-27 14:58:30 +02:00
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2014-08-17 17:44:55 +02:00
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template<typename VertexType>
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PrimitiveAssembler<VertexType>::PrimitiveAssembler(Regs::TriangleTopology topology)
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: topology(topology), buffer_index(0) {
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}
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2014-07-27 14:58:30 +02:00
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2014-08-17 17:44:55 +02:00
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template<typename VertexType>
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void PrimitiveAssembler<VertexType>::SubmitVertex(VertexType& vtx, TriangleHandler triangle_handler)
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2014-07-27 14:58:30 +02:00
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{
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2014-08-17 17:44:55 +02:00
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switch (topology) {
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2015-03-22 00:31:40 +01:00
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// TODO: Figure out what's different with TriangleTopology::Shader.
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2014-07-27 14:58:30 +02:00
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case Regs::TriangleTopology::List:
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2015-03-22 00:31:40 +01:00
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case Regs::TriangleTopology::Shader:
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2014-07-27 14:58:30 +02:00
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if (buffer_index < 2) {
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buffer[buffer_index++] = vtx;
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} else {
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buffer_index = 0;
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2014-08-17 17:44:55 +02:00
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triangle_handler(buffer[0], buffer[1], vtx);
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2014-07-27 14:58:30 +02:00
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}
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break;
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2014-12-07 00:26:48 +01:00
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case Regs::TriangleTopology::Strip:
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2014-07-27 14:58:30 +02:00
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case Regs::TriangleTopology::Fan:
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2015-03-09 21:49:49 +01:00
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if (strip_ready)
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triangle_handler(buffer[0], buffer[1], vtx);
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2014-12-07 00:26:48 +01:00
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buffer[buffer_index] = vtx;
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2014-07-27 14:58:30 +02:00
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2014-12-07 00:26:48 +01:00
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if (topology == Regs::TriangleTopology::Strip) {
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strip_ready |= (buffer_index == 1);
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buffer_index = !buffer_index;
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} else if (topology == Regs::TriangleTopology::Fan) {
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buffer_index = 1;
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strip_ready = true;
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2014-07-27 14:58:30 +02:00
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}
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break;
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default:
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2014-12-07 00:26:48 +01:00
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LOG_ERROR(HW_GPU, "Unknown triangle topology %x:", (int)topology);
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2014-07-27 14:58:30 +02:00
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break;
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}
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}
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2014-08-17 17:44:55 +02:00
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// explicitly instantiate use cases
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template
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2015-07-22 01:04:05 +02:00
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struct PrimitiveAssembler<Shader::OutputVertex>;
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2014-08-17 17:44:55 +02:00
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template
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struct PrimitiveAssembler<DebugUtils::GeometryDumper::Vertex>;
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2014-07-27 14:58:30 +02:00
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} // namespace
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