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gl_rasterizer: Use GL_QUADS to emulate quads rendering
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@ -42,8 +42,6 @@ add_library(video_core STATIC
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renderer_opengl/gl_device.h
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renderer_opengl/gl_device.h
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renderer_opengl/gl_global_cache.cpp
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renderer_opengl/gl_global_cache.cpp
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renderer_opengl/gl_global_cache.h
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renderer_opengl/gl_global_cache.h
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renderer_opengl/gl_primitive_assembler.cpp
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renderer_opengl/gl_primitive_assembler.h
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renderer_opengl/gl_rasterizer.cpp
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renderer_opengl/gl_rasterizer.cpp
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renderer_opengl/gl_rasterizer.h
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renderer_opengl/gl_rasterizer.h
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renderer_opengl/gl_rasterizer_cache.cpp
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renderer_opengl/gl_rasterizer_cache.cpp
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@ -1,63 +0,0 @@
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// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <array>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/memory_manager.h"
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#include "video_core/renderer_opengl/gl_buffer_cache.h"
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#include "video_core/renderer_opengl/gl_primitive_assembler.h"
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namespace OpenGL {
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constexpr u32 TRIANGLES_PER_QUAD = 6;
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constexpr std::array<u32, TRIANGLES_PER_QUAD> QUAD_MAP = {0, 1, 2, 0, 2, 3};
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PrimitiveAssembler::PrimitiveAssembler(OGLBufferCache& buffer_cache) : buffer_cache(buffer_cache) {}
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PrimitiveAssembler::~PrimitiveAssembler() = default;
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std::size_t PrimitiveAssembler::CalculateQuadSize(u32 count) const {
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ASSERT_MSG(count % 4 == 0, "Quad count is expected to be a multiple of 4");
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return (count / 4) * TRIANGLES_PER_QUAD * sizeof(GLuint);
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}
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GLintptr PrimitiveAssembler::MakeQuadArray(u32 first, u32 count) {
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const std::size_t size{CalculateQuadSize(count)};
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auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(size);
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for (u32 primitive = 0; primitive < count / 4; ++primitive) {
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for (u32 i = 0; i < TRIANGLES_PER_QUAD; ++i) {
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const u32 index = first + primitive * 4 + QUAD_MAP[i];
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std::memcpy(dst_pointer, &index, sizeof(index));
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dst_pointer += sizeof(index);
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}
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}
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return index_offset;
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}
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GLintptr PrimitiveAssembler::MakeQuadIndexed(GPUVAddr gpu_addr, std::size_t index_size, u32 count) {
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const std::size_t map_size{CalculateQuadSize(count)};
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auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(map_size);
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auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager();
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const u8* source{memory_manager.GetPointer(gpu_addr)};
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for (u32 primitive = 0; primitive < count / 4; ++primitive) {
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for (std::size_t i = 0; i < TRIANGLES_PER_QUAD; ++i) {
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const u32 index = primitive * 4 + QUAD_MAP[i];
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const u8* src_offset = source + (index * index_size);
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std::memcpy(dst_pointer, src_offset, index_size);
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dst_pointer += index_size;
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}
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}
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return index_offset;
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}
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} // namespace OpenGL
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@ -1,31 +0,0 @@
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// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <glad/glad.h>
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#include "common/common_types.h"
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namespace OpenGL {
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class OGLBufferCache;
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class PrimitiveAssembler {
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public:
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explicit PrimitiveAssembler(OGLBufferCache& buffer_cache);
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~PrimitiveAssembler();
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/// Calculates the size required by MakeQuadArray and MakeQuadIndexed.
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std::size_t CalculateQuadSize(u32 count) const;
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GLintptr MakeQuadArray(u32 first, u32 count);
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GLintptr MakeQuadIndexed(GPUVAddr gpu_addr, std::size_t index_size, u32 count);
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private:
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OGLBufferCache& buffer_cache;
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};
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} // namespace OpenGL
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@ -246,29 +246,6 @@ DrawParameters RasterizerOpenGL::SetupDraw() {
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DrawParameters params{};
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DrawParameters params{};
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params.current_instance = gpu.state.current_instance;
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params.current_instance = gpu.state.current_instance;
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if (regs.draw.topology == Maxwell::PrimitiveTopology::Quads) {
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MICROPROFILE_SCOPE(OpenGL_PrimitiveAssembly);
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params.use_indexed = true;
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params.primitive_mode = GL_TRIANGLES;
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if (is_indexed) {
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params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
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params.count = (regs.index_array.count / 4) * 6;
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params.index_buffer_offset = primitive_assembler.MakeQuadIndexed(
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regs.index_array.IndexStart(), regs.index_array.FormatSizeInBytes(),
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regs.index_array.count);
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params.base_vertex = static_cast<GLint>(regs.vb_element_base);
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} else {
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// MakeQuadArray always generates u32 indexes
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params.index_format = GL_UNSIGNED_INT;
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params.count = (regs.vertex_buffer.count / 4) * 6;
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params.index_buffer_offset = primitive_assembler.MakeQuadArray(
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regs.vertex_buffer.first, regs.vertex_buffer.count);
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}
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return params;
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}
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params.use_indexed = is_indexed;
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params.use_indexed = is_indexed;
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params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
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params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
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@ -699,18 +676,10 @@ void RasterizerOpenGL::DrawArrays() {
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std::size_t buffer_size = CalculateVertexArraysSize();
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std::size_t buffer_size = CalculateVertexArraysSize();
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// Add space for index buffer (keeping in mind non-core primitives)
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// Add space for index buffer
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switch (regs.draw.topology) {
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case Maxwell::PrimitiveTopology::Quads:
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buffer_size = Common::AlignUp(buffer_size, 4) +
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primitive_assembler.CalculateQuadSize(regs.vertex_buffer.count);
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break;
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default:
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if (is_indexed) {
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if (is_indexed) {
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buffer_size = Common::AlignUp(buffer_size, 4) + CalculateIndexBufferSize();
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buffer_size = Common::AlignUp(buffer_size, 4) + CalculateIndexBufferSize();
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}
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}
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break;
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}
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// Uniform space for the 5 shader stages
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// Uniform space for the 5 shader stages
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buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
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buffer_size = Common::AlignUp<std::size_t>(buffer_size, 4) +
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@ -23,7 +23,6 @@
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#include "video_core/renderer_opengl/gl_buffer_cache.h"
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#include "video_core/renderer_opengl/gl_buffer_cache.h"
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#include "video_core/renderer_opengl/gl_device.h"
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#include "video_core/renderer_opengl/gl_device.h"
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#include "video_core/renderer_opengl/gl_global_cache.h"
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#include "video_core/renderer_opengl/gl_global_cache.h"
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#include "video_core/renderer_opengl/gl_primitive_assembler.h"
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#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
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#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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#include "video_core/renderer_opengl/gl_sampler_cache.h"
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#include "video_core/renderer_opengl/gl_sampler_cache.h"
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@ -197,7 +196,6 @@ private:
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static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
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static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024;
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OGLBufferCache buffer_cache;
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OGLBufferCache buffer_cache;
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PrimitiveAssembler primitive_assembler{buffer_cache};
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BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
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BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER};
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BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};
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BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER};
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@ -128,6 +128,8 @@ inline GLenum PrimitiveTopology(Maxwell::PrimitiveTopology topology) {
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return GL_TRIANGLE_STRIP;
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return GL_TRIANGLE_STRIP;
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case Maxwell::PrimitiveTopology::TriangleFan:
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case Maxwell::PrimitiveTopology::TriangleFan:
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return GL_TRIANGLE_FAN;
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return GL_TRIANGLE_FAN;
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case Maxwell::PrimitiveTopology::Quads:
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return GL_QUADS;
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default:
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default:
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LOG_CRITICAL(Render_OpenGL, "Unimplemented topology={}", static_cast<u32>(topology));
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LOG_CRITICAL(Render_OpenGL, "Unimplemented topology={}", static_cast<u32>(topology));
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UNREACHABLE();
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UNREACHABLE();
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