forked from suyu/suyu
880 lines
37 KiB
C++
880 lines
37 KiB
C++
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// Copyright 2015 Citra 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 "core/settings.h"
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#include "core/hw/gpu.h"
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#include "video_core/color.h"
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#include "video_core/pica.h"
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#include "video_core/utils.h"
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#include "video_core/renderer_opengl/gl_rasterizer.h"
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#include "video_core/renderer_opengl/gl_shaders.h"
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#include "video_core/renderer_opengl/gl_shader_util.h"
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#include "video_core/renderer_opengl/pica_to_gl.h"
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#include "generated/gl_3_2_core.h"
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#include <memory>
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static bool IsPassThroughTevStage(const Pica::Regs::TevStageConfig& stage) {
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return (stage.color_op == Pica::Regs::TevStageConfig::Operation::Replace &&
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stage.alpha_op == Pica::Regs::TevStageConfig::Operation::Replace &&
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stage.color_source1 == Pica::Regs::TevStageConfig::Source::Previous &&
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stage.alpha_source1 == Pica::Regs::TevStageConfig::Source::Previous &&
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stage.color_modifier1 == Pica::Regs::TevStageConfig::ColorModifier::SourceColor &&
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stage.alpha_modifier1 == Pica::Regs::TevStageConfig::AlphaModifier::SourceAlpha &&
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stage.GetColorMultiplier() == 1 &&
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stage.GetAlphaMultiplier() == 1);
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}
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RasterizerOpenGL::RasterizerOpenGL() : last_fb_color_addr(0), last_fb_depth_addr(0) { }
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RasterizerOpenGL::~RasterizerOpenGL() { }
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void RasterizerOpenGL::InitObjects() {
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// Create the hardware shader program and get attrib/uniform locations
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shader.Create(GLShaders::g_vertex_shader_hw, GLShaders::g_fragment_shader_hw);
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attrib_position = glGetAttribLocation(shader.handle, "vert_position");
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attrib_color = glGetAttribLocation(shader.handle, "vert_color");
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attrib_texcoords = glGetAttribLocation(shader.handle, "vert_texcoords");
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uniform_alphatest_enabled = glGetUniformLocation(shader.handle, "alphatest_enabled");
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uniform_alphatest_func = glGetUniformLocation(shader.handle, "alphatest_func");
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uniform_alphatest_ref = glGetUniformLocation(shader.handle, "alphatest_ref");
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uniform_tex = glGetUniformLocation(shader.handle, "tex");
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uniform_tev_combiner_buffer_color = glGetUniformLocation(shader.handle, "tev_combiner_buffer_color");
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const auto tev_stages = Pica::registers.GetTevStages();
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for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
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auto& uniform_tev_cfg = uniform_tev_cfgs[tev_stage_index];
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std::string tev_ref_str = "tev_cfgs[" + std::to_string(tev_stage_index) + "]";
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uniform_tev_cfg.enabled = glGetUniformLocation(shader.handle, (tev_ref_str + ".enabled").c_str());
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uniform_tev_cfg.color_sources = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_sources").c_str());
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uniform_tev_cfg.alpha_sources = glGetUniformLocation(shader.handle, (tev_ref_str + ".alpha_sources").c_str());
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uniform_tev_cfg.color_modifiers = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_modifiers").c_str());
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uniform_tev_cfg.alpha_modifiers = glGetUniformLocation(shader.handle, (tev_ref_str + ".alpha_modifiers").c_str());
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uniform_tev_cfg.color_alpha_op = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_alpha_op").c_str());
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uniform_tev_cfg.color_alpha_multiplier = glGetUniformLocation(shader.handle, (tev_ref_str + ".color_alpha_multiplier").c_str());
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uniform_tev_cfg.const_color = glGetUniformLocation(shader.handle, (tev_ref_str + ".const_color").c_str());
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uniform_tev_cfg.updates_combiner_buffer_color_alpha = glGetUniformLocation(shader.handle, (tev_ref_str + ".updates_combiner_buffer_color_alpha").c_str());
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}
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// Generate VBO and VAO
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vertex_buffer.Create();
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vertex_array.Create();
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// Update OpenGL state
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state.draw.vertex_array = vertex_array.handle;
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state.draw.vertex_buffer = vertex_buffer.handle;
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state.draw.shader_program = shader.handle;
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state.Apply();
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// Set the texture samplers to correspond to different texture units
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glUniform1i(uniform_tex, 0);
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glUniform1i(uniform_tex + 1, 1);
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glUniform1i(uniform_tex + 2, 2);
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// Set vertex attributes
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glVertexAttribPointer(attrib_position, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, position));
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glVertexAttribPointer(attrib_color, 4, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, color));
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glVertexAttribPointer(attrib_texcoords, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord0));
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glVertexAttribPointer(attrib_texcoords + 1, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord1));
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glVertexAttribPointer(attrib_texcoords + 2, 2, GL_FLOAT, GL_FALSE, sizeof(HardwareVertex), (GLvoid*)offsetof(HardwareVertex, tex_coord2));
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glEnableVertexAttribArray(attrib_position);
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glEnableVertexAttribArray(attrib_color);
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glEnableVertexAttribArray(attrib_texcoords);
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glEnableVertexAttribArray(attrib_texcoords + 1);
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glEnableVertexAttribArray(attrib_texcoords + 2);
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// Create textures for OGL framebuffer that will be rendered to, initially 1x1 to succeed in framebuffer creation
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fb_color_texture.texture.Create();
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ReconfigureColorTexture(fb_color_texture, Pica::Regs::ColorFormat::RGBA8, 1, 1);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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fb_depth_texture.texture.Create();
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ReconfigureDepthTexture(fb_depth_texture, Pica::Regs::DepthFormat::D16, 1, 1);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
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// Configure OpenGL framebuffer
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framebuffer.Create();
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state.draw.framebuffer = framebuffer.handle;
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// Unbind texture to allow binding to framebuffer
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state.texture_units[0].enabled_2d = true;
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state.texture_units[0].texture_2d = 0;
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state.Apply();
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glActiveTexture(GL_TEXTURE0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fb_color_texture.texture.handle, 0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, fb_depth_texture.texture.handle, 0);
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ASSERT_MSG(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE,
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"OpenGL rasterizer framebuffer setup failed, status %X", glCheckFramebufferStatus(GL_FRAMEBUFFER));
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}
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void RasterizerOpenGL::Reset() {
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SyncCullMode();
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SyncBlendEnabled();
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SyncBlendFuncs();
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SyncBlendColor();
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SyncAlphaTest();
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SyncStencilTest();
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SyncDepthTest();
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// TEV stage 0
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SyncTevSources(0, Pica::registers.tev_stage0);
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SyncTevModifiers(0, Pica::registers.tev_stage0);
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SyncTevOps(0, Pica::registers.tev_stage0);
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SyncTevColor(0, Pica::registers.tev_stage0);
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SyncTevMultipliers(0, Pica::registers.tev_stage0);
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// TEV stage 1
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SyncTevSources(1, Pica::registers.tev_stage1);
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SyncTevModifiers(1, Pica::registers.tev_stage1);
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SyncTevOps(1, Pica::registers.tev_stage1);
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SyncTevColor(1, Pica::registers.tev_stage1);
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SyncTevMultipliers(1, Pica::registers.tev_stage1);
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// TEV stage 2
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SyncTevSources(2, Pica::registers.tev_stage2);
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SyncTevModifiers(2, Pica::registers.tev_stage2);
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SyncTevOps(2, Pica::registers.tev_stage2);
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SyncTevColor(2, Pica::registers.tev_stage2);
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SyncTevMultipliers(2, Pica::registers.tev_stage2);
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// TEV stage 3
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SyncTevSources(3, Pica::registers.tev_stage3);
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SyncTevModifiers(3, Pica::registers.tev_stage3);
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SyncTevOps(3, Pica::registers.tev_stage3);
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SyncTevColor(3, Pica::registers.tev_stage3);
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SyncTevMultipliers(3, Pica::registers.tev_stage3);
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// TEV stage 4
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SyncTevSources(4, Pica::registers.tev_stage4);
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SyncTevModifiers(4, Pica::registers.tev_stage4);
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SyncTevOps(4, Pica::registers.tev_stage4);
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SyncTevColor(4, Pica::registers.tev_stage4);
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SyncTevMultipliers(4, Pica::registers.tev_stage4);
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// TEV stage 5
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SyncTevSources(5, Pica::registers.tev_stage5);
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SyncTevModifiers(5, Pica::registers.tev_stage5);
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SyncTevOps(5, Pica::registers.tev_stage5);
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SyncTevColor(5, Pica::registers.tev_stage5);
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SyncTevMultipliers(5, Pica::registers.tev_stage5);
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SyncCombinerColor();
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SyncCombinerWriteFlags();
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res_cache.FullFlush();
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}
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void RasterizerOpenGL::AddTriangle(const Pica::VertexShader::OutputVertex& v0,
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const Pica::VertexShader::OutputVertex& v1,
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const Pica::VertexShader::OutputVertex& v2) {
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vertex_batch.push_back(HardwareVertex(v0));
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vertex_batch.push_back(HardwareVertex(v1));
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vertex_batch.push_back(HardwareVertex(v2));
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}
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void RasterizerOpenGL::DrawTriangles() {
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SyncFramebuffer();
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SyncDrawState();
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glBufferData(GL_ARRAY_BUFFER, vertex_batch.size() * sizeof(HardwareVertex), vertex_batch.data(), GL_STREAM_DRAW);
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glDrawArrays(GL_TRIANGLES, 0, (GLsizei)vertex_batch.size());
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vertex_batch.clear();
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// TODO: Flush the resource cache at the current depth and color framebuffer addresses for render-to-texture
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}
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void RasterizerOpenGL::CommitFramebuffer() {
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CommitColorBuffer();
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CommitDepthBuffer();
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}
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void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
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if (!Settings::values.use_hw_renderer)
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return;
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switch(id) {
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// Culling
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case PICA_REG_INDEX(cull_mode):
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SyncCullMode();
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break;
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// Blending
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case PICA_REG_INDEX(output_merger.alphablend_enable):
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SyncBlendEnabled();
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break;
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case PICA_REG_INDEX(output_merger.alpha_blending):
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SyncBlendFuncs();
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break;
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case PICA_REG_INDEX(output_merger.blend_const):
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SyncBlendColor();
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break;
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// Alpha test
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case PICA_REG_INDEX(output_merger.alpha_test):
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SyncAlphaTest();
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break;
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// Stencil test
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case PICA_REG_INDEX(output_merger.stencil_test):
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SyncStencilTest();
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break;
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// Depth test
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case PICA_REG_INDEX(output_merger.depth_test_enable):
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SyncDepthTest();
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break;
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// TEV stage 0
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case PICA_REG_INDEX(tev_stage0.color_source1):
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SyncTevSources(0, Pica::registers.tev_stage0);
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break;
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case PICA_REG_INDEX(tev_stage0.color_modifier1):
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SyncTevModifiers(0, Pica::registers.tev_stage0);
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break;
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case PICA_REG_INDEX(tev_stage0.color_op):
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SyncTevOps(0, Pica::registers.tev_stage0);
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break;
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case PICA_REG_INDEX(tev_stage0.const_r):
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SyncTevColor(0, Pica::registers.tev_stage0);
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break;
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case PICA_REG_INDEX(tev_stage0.color_scale):
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SyncTevMultipliers(0, Pica::registers.tev_stage0);
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break;
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// TEV stage 1
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case PICA_REG_INDEX(tev_stage1.color_source1):
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SyncTevSources(1, Pica::registers.tev_stage1);
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break;
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case PICA_REG_INDEX(tev_stage1.color_modifier1):
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SyncTevModifiers(1, Pica::registers.tev_stage1);
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break;
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case PICA_REG_INDEX(tev_stage1.color_op):
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SyncTevOps(1, Pica::registers.tev_stage1);
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break;
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case PICA_REG_INDEX(tev_stage1.const_r):
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SyncTevColor(1, Pica::registers.tev_stage1);
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break;
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case PICA_REG_INDEX(tev_stage1.color_scale):
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SyncTevMultipliers(1, Pica::registers.tev_stage1);
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break;
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// TEV stage 2
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case PICA_REG_INDEX(tev_stage2.color_source1):
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SyncTevSources(2, Pica::registers.tev_stage2);
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break;
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case PICA_REG_INDEX(tev_stage2.color_modifier1):
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SyncTevModifiers(2, Pica::registers.tev_stage2);
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break;
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case PICA_REG_INDEX(tev_stage2.color_op):
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SyncTevOps(2, Pica::registers.tev_stage2);
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break;
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case PICA_REG_INDEX(tev_stage2.const_r):
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SyncTevColor(2, Pica::registers.tev_stage2);
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break;
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case PICA_REG_INDEX(tev_stage2.color_scale):
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SyncTevMultipliers(2, Pica::registers.tev_stage2);
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break;
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// TEV stage 3
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case PICA_REG_INDEX(tev_stage3.color_source1):
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SyncTevSources(3, Pica::registers.tev_stage3);
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break;
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case PICA_REG_INDEX(tev_stage3.color_modifier1):
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SyncTevModifiers(3, Pica::registers.tev_stage3);
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break;
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case PICA_REG_INDEX(tev_stage3.color_op):
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SyncTevOps(3, Pica::registers.tev_stage3);
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break;
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case PICA_REG_INDEX(tev_stage3.const_r):
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SyncTevColor(3, Pica::registers.tev_stage3);
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break;
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case PICA_REG_INDEX(tev_stage3.color_scale):
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SyncTevMultipliers(3, Pica::registers.tev_stage3);
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break;
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// TEV stage 4
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case PICA_REG_INDEX(tev_stage4.color_source1):
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SyncTevSources(4, Pica::registers.tev_stage4);
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break;
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case PICA_REG_INDEX(tev_stage4.color_modifier1):
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SyncTevModifiers(4, Pica::registers.tev_stage4);
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break;
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case PICA_REG_INDEX(tev_stage4.color_op):
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SyncTevOps(4, Pica::registers.tev_stage4);
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break;
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case PICA_REG_INDEX(tev_stage4.const_r):
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SyncTevColor(4, Pica::registers.tev_stage4);
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break;
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case PICA_REG_INDEX(tev_stage4.color_scale):
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SyncTevMultipliers(4, Pica::registers.tev_stage4);
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break;
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// TEV stage 5
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case PICA_REG_INDEX(tev_stage5.color_source1):
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SyncTevSources(5, Pica::registers.tev_stage5);
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break;
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case PICA_REG_INDEX(tev_stage5.color_modifier1):
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SyncTevModifiers(5, Pica::registers.tev_stage5);
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break;
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case PICA_REG_INDEX(tev_stage5.color_op):
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SyncTevOps(5, Pica::registers.tev_stage5);
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break;
|
||
|
case PICA_REG_INDEX(tev_stage5.const_r):
|
||
|
SyncTevColor(5, Pica::registers.tev_stage5);
|
||
|
break;
|
||
|
case PICA_REG_INDEX(tev_stage5.color_scale):
|
||
|
SyncTevMultipliers(5, Pica::registers.tev_stage5);
|
||
|
break;
|
||
|
|
||
|
// TEV combiner buffer color
|
||
|
case PICA_REG_INDEX(tev_combiner_buffer_color):
|
||
|
SyncCombinerColor();
|
||
|
break;
|
||
|
|
||
|
// TEV combiner buffer write flags
|
||
|
case PICA_REG_INDEX(tev_combiner_buffer_input):
|
||
|
SyncCombinerWriteFlags();
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::NotifyPreRead(PAddr addr, u32 size) {
|
||
|
if (!Settings::values.use_hw_renderer)
|
||
|
return;
|
||
|
|
||
|
PAddr cur_fb_color_addr = Pica::registers.framebuffer.GetColorBufferPhysicalAddress();
|
||
|
u32 cur_fb_color_size = Pica::Regs::BytesPerColorPixel(Pica::registers.framebuffer.color_format)
|
||
|
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||
|
|
||
|
PAddr cur_fb_depth_addr = Pica::registers.framebuffer.GetDepthBufferPhysicalAddress();
|
||
|
u32 cur_fb_depth_size = Pica::Regs::BytesPerDepthPixel(Pica::registers.framebuffer.depth_format)
|
||
|
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||
|
|
||
|
// If source memory region overlaps 3DS framebuffers, commit them before the copy happens
|
||
|
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_color_addr, cur_fb_color_size))
|
||
|
CommitColorBuffer();
|
||
|
|
||
|
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_depth_addr, cur_fb_depth_size))
|
||
|
CommitDepthBuffer();
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::NotifyFlush(PAddr addr, u32 size) {
|
||
|
if (!Settings::values.use_hw_renderer)
|
||
|
return;
|
||
|
|
||
|
PAddr cur_fb_color_addr = Pica::registers.framebuffer.GetColorBufferPhysicalAddress();
|
||
|
u32 cur_fb_color_size = Pica::Regs::BytesPerColorPixel(Pica::registers.framebuffer.color_format)
|
||
|
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||
|
|
||
|
PAddr cur_fb_depth_addr = Pica::registers.framebuffer.GetDepthBufferPhysicalAddress();
|
||
|
u32 cur_fb_depth_size = Pica::Regs::BytesPerDepthPixel(Pica::registers.framebuffer.depth_format)
|
||
|
* Pica::registers.framebuffer.GetWidth() * Pica::registers.framebuffer.GetHeight();
|
||
|
|
||
|
// If modified memory region overlaps 3DS framebuffers, reload their contents into OpenGL
|
||
|
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_color_addr, cur_fb_color_size))
|
||
|
ReloadColorBuffer();
|
||
|
|
||
|
if (MathUtil::IntervalsIntersect(addr, size, cur_fb_depth_addr, cur_fb_depth_size))
|
||
|
ReloadDepthBuffer();
|
||
|
|
||
|
// Notify cache of flush in case the region touches a cached resource
|
||
|
res_cache.NotifyFlush(addr, size);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::ReconfigureColorTexture(TextureInfo& texture, Pica::Regs::ColorFormat format, u32 width, u32 height) {
|
||
|
GLint internal_format;
|
||
|
|
||
|
texture.format = format;
|
||
|
texture.width = width;
|
||
|
texture.height = height;
|
||
|
|
||
|
switch (format) {
|
||
|
case Pica::Regs::ColorFormat::RGBA8:
|
||
|
internal_format = GL_RGBA;
|
||
|
texture.gl_format = GL_RGBA;
|
||
|
texture.gl_type = GL_UNSIGNED_INT_8_8_8_8;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::ColorFormat::RGB8:
|
||
|
// This pixel format uses BGR since GL_UNSIGNED_BYTE specifies byte-order, unlike every
|
||
|
// specific OpenGL type used in this function using native-endian (that is, little-endian
|
||
|
// mostly everywhere) for words or half-words.
|
||
|
// TODO: check how those behave on big-endian processors.
|
||
|
internal_format = GL_RGB;
|
||
|
texture.gl_format = GL_BGR;
|
||
|
texture.gl_type = GL_UNSIGNED_BYTE;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::ColorFormat::RGB5A1:
|
||
|
internal_format = GL_RGBA;
|
||
|
texture.gl_format = GL_RGBA;
|
||
|
texture.gl_type = GL_UNSIGNED_SHORT_5_5_5_1;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::ColorFormat::RGB565:
|
||
|
internal_format = GL_RGB;
|
||
|
texture.gl_format = GL_RGB;
|
||
|
texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::ColorFormat::RGBA4:
|
||
|
internal_format = GL_RGBA;
|
||
|
texture.gl_format = GL_RGBA;
|
||
|
texture.gl_type = GL_UNSIGNED_SHORT_4_4_4_4;
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer texture color format %x", format);
|
||
|
UNIMPLEMENTED();
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
state.texture_units[0].enabled_2d = true;
|
||
|
state.texture_units[0].texture_2d = texture.texture.handle;
|
||
|
state.Apply();
|
||
|
|
||
|
glActiveTexture(GL_TEXTURE0);
|
||
|
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, texture.width, texture.height, 0,
|
||
|
texture.gl_format, texture.gl_type, nullptr);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::ReconfigureDepthTexture(DepthTextureInfo& texture, Pica::Regs::DepthFormat format, u32 width, u32 height) {
|
||
|
GLint internal_format;
|
||
|
|
||
|
texture.format = format;
|
||
|
texture.width = width;
|
||
|
texture.height = height;
|
||
|
|
||
|
switch (format) {
|
||
|
case Pica::Regs::DepthFormat::D16:
|
||
|
internal_format = GL_DEPTH_COMPONENT16;
|
||
|
texture.gl_format = GL_DEPTH_COMPONENT;
|
||
|
texture.gl_type = GL_UNSIGNED_SHORT;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::DepthFormat::D24:
|
||
|
internal_format = GL_DEPTH_COMPONENT24;
|
||
|
texture.gl_format = GL_DEPTH_COMPONENT;
|
||
|
texture.gl_type = GL_UNSIGNED_INT_24_8;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::DepthFormat::D24S8:
|
||
|
internal_format = GL_DEPTH24_STENCIL8;
|
||
|
texture.gl_format = GL_DEPTH_STENCIL;
|
||
|
texture.gl_type = GL_UNSIGNED_INT_24_8;
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer texture depth format %x", format);
|
||
|
UNIMPLEMENTED();
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
state.texture_units[0].enabled_2d = true;
|
||
|
state.texture_units[0].texture_2d = texture.texture.handle;
|
||
|
state.Apply();
|
||
|
|
||
|
glActiveTexture(GL_TEXTURE0);
|
||
|
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, texture.width, texture.height, 0,
|
||
|
texture.gl_format, texture.gl_type, nullptr);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncFramebuffer() {
|
||
|
PAddr cur_fb_color_addr = Pica::registers.framebuffer.GetColorBufferPhysicalAddress();
|
||
|
Pica::Regs::ColorFormat new_fb_color_format = Pica::registers.framebuffer.color_format;
|
||
|
|
||
|
PAddr cur_fb_depth_addr = Pica::registers.framebuffer.GetDepthBufferPhysicalAddress();
|
||
|
Pica::Regs::DepthFormat new_fb_depth_format = Pica::registers.framebuffer.depth_format;
|
||
|
|
||
|
bool fb_size_changed = fb_color_texture.width != Pica::registers.framebuffer.GetWidth() ||
|
||
|
fb_color_texture.height != Pica::registers.framebuffer.GetHeight();
|
||
|
|
||
|
bool color_fb_prop_changed = fb_color_texture.format != new_fb_color_format ||
|
||
|
fb_size_changed;
|
||
|
|
||
|
bool depth_fb_prop_changed = fb_depth_texture.format != new_fb_depth_format ||
|
||
|
fb_size_changed;
|
||
|
|
||
|
bool color_fb_modified = last_fb_color_addr != cur_fb_color_addr ||
|
||
|
color_fb_prop_changed;
|
||
|
|
||
|
bool depth_fb_modified = last_fb_depth_addr != cur_fb_depth_addr ||
|
||
|
depth_fb_prop_changed;
|
||
|
|
||
|
// Commit if framebuffer modified in any way
|
||
|
if (color_fb_modified)
|
||
|
CommitColorBuffer();
|
||
|
|
||
|
if (depth_fb_modified)
|
||
|
CommitDepthBuffer();
|
||
|
|
||
|
// Reconfigure framebuffer textures if any property has changed
|
||
|
if (color_fb_prop_changed) {
|
||
|
ReconfigureColorTexture(fb_color_texture, new_fb_color_format,
|
||
|
Pica::registers.framebuffer.GetWidth(), Pica::registers.framebuffer.GetHeight());
|
||
|
}
|
||
|
|
||
|
if (depth_fb_prop_changed) {
|
||
|
ReconfigureDepthTexture(fb_depth_texture, new_fb_depth_format,
|
||
|
Pica::registers.framebuffer.GetWidth(), Pica::registers.framebuffer.GetHeight());
|
||
|
|
||
|
// Only attach depth buffer as stencil if it supports stencil
|
||
|
switch (new_fb_depth_format) {
|
||
|
case Pica::Regs::DepthFormat::D16:
|
||
|
case Pica::Regs::DepthFormat::D24:
|
||
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::DepthFormat::D24S8:
|
||
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, fb_depth_texture.texture.handle, 0);
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer depth format %x", new_fb_depth_format);
|
||
|
UNIMPLEMENTED();
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Load buffer data again if fb modified in any way
|
||
|
if (color_fb_modified) {
|
||
|
last_fb_color_addr = cur_fb_color_addr;
|
||
|
|
||
|
ReloadColorBuffer();
|
||
|
}
|
||
|
|
||
|
if (depth_fb_modified) {
|
||
|
last_fb_depth_addr = cur_fb_depth_addr;
|
||
|
|
||
|
ReloadDepthBuffer();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncCullMode() {
|
||
|
switch (Pica::registers.cull_mode) {
|
||
|
case Pica::Regs::CullMode::KeepAll:
|
||
|
state.cull.enabled = false;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::CullMode::KeepClockWise:
|
||
|
state.cull.enabled = true;
|
||
|
state.cull.mode = GL_BACK;
|
||
|
break;
|
||
|
|
||
|
case Pica::Regs::CullMode::KeepCounterClockWise:
|
||
|
state.cull.enabled = true;
|
||
|
state.cull.mode = GL_FRONT;
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
LOG_CRITICAL(Render_OpenGL, "Unknown cull mode %d", Pica::registers.cull_mode.Value());
|
||
|
UNIMPLEMENTED();
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncBlendEnabled() {
|
||
|
state.blend.enabled = Pica::registers.output_merger.alphablend_enable;
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncBlendFuncs() {
|
||
|
state.blend.src_rgb_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_source_rgb);
|
||
|
state.blend.dst_rgb_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_dest_rgb);
|
||
|
state.blend.src_a_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_source_a);
|
||
|
state.blend.dst_a_func = PicaToGL::BlendFunc(Pica::registers.output_merger.alpha_blending.factor_dest_a);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncBlendColor() {
|
||
|
auto blend_color = PicaToGL::ColorRGBA8((u8*)&Pica::registers.output_merger.blend_const.r);
|
||
|
state.blend.color.red = blend_color[0];
|
||
|
state.blend.color.green = blend_color[1];
|
||
|
state.blend.color.blue = blend_color[2];
|
||
|
state.blend.color.alpha = blend_color[3];
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncAlphaTest() {
|
||
|
glUniform1i(uniform_alphatest_enabled, Pica::registers.output_merger.alpha_test.enable);
|
||
|
glUniform1i(uniform_alphatest_func, Pica::registers.output_merger.alpha_test.func);
|
||
|
glUniform1f(uniform_alphatest_ref, Pica::registers.output_merger.alpha_test.ref / 255.0f);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncStencilTest() {
|
||
|
// TODO: Implement stencil test, mask, and op
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncDepthTest() {
|
||
|
state.depth.test_enabled = Pica::registers.output_merger.depth_test_enable;
|
||
|
state.depth.test_func = PicaToGL::CompareFunc(Pica::registers.output_merger.depth_test_func);
|
||
|
state.depth.write_mask = Pica::registers.output_merger.depth_write_enable ? GL_TRUE : GL_FALSE;
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncTevSources(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||
|
GLint color_srcs[3] = { (GLint)config.color_source1.Value(),
|
||
|
(GLint)config.color_source2.Value(),
|
||
|
(GLint)config.color_source3.Value() };
|
||
|
GLint alpha_srcs[3] = { (GLint)config.alpha_source1.Value(),
|
||
|
(GLint)config.alpha_source2.Value(),
|
||
|
(GLint)config.alpha_source3.Value() };
|
||
|
|
||
|
glUniform3iv(uniform_tev_cfgs[stage_index].color_sources, 1, color_srcs);
|
||
|
glUniform3iv(uniform_tev_cfgs[stage_index].alpha_sources, 1, alpha_srcs);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncTevModifiers(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||
|
GLint color_mods[3] = { (GLint)config.color_modifier1.Value(),
|
||
|
(GLint)config.color_modifier2.Value(),
|
||
|
(GLint)config.color_modifier3.Value() };
|
||
|
GLint alpha_mods[3] = { (GLint)config.alpha_modifier1.Value(),
|
||
|
(GLint)config.alpha_modifier2.Value(),
|
||
|
(GLint)config.alpha_modifier3.Value() };
|
||
|
|
||
|
glUniform3iv(uniform_tev_cfgs[stage_index].color_modifiers, 1, color_mods);
|
||
|
glUniform3iv(uniform_tev_cfgs[stage_index].alpha_modifiers, 1, alpha_mods);
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncTevOps(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||
|
glUniform2i(uniform_tev_cfgs[stage_index].color_alpha_op, (GLint)config.color_op.Value(), (GLint)config.alpha_op.Value());
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncTevColor(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||
|
auto const_color = PicaToGL::ColorRGBA8((u8*)&config.const_r);
|
||
|
glUniform4fv(uniform_tev_cfgs[stage_index].const_color, 1, const_color.data());
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncTevMultipliers(unsigned stage_index, const Pica::Regs::TevStageConfig& config) {
|
||
|
glUniform2i(uniform_tev_cfgs[stage_index].color_alpha_multiplier, config.GetColorMultiplier(), config.GetAlphaMultiplier());
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncCombinerColor() {
|
||
|
auto combiner_color = PicaToGL::ColorRGBA8((u8*)&Pica::registers.tev_combiner_buffer_color.r);
|
||
|
glUniform4fv(uniform_tev_combiner_buffer_color, 1, combiner_color.data());
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncCombinerWriteFlags() {
|
||
|
const auto tev_stages = Pica::registers.GetTevStages();
|
||
|
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||
|
glUniform2i(uniform_tev_cfgs[tev_stage_index].updates_combiner_buffer_color_alpha,
|
||
|
Pica::registers.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferColor(tev_stage_index),
|
||
|
Pica::registers.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferAlpha(tev_stage_index));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::SyncDrawState() {
|
||
|
// Sync the viewport
|
||
|
GLsizei viewport_width = (GLsizei)Pica::float24::FromRawFloat24(Pica::registers.viewport_size_x).ToFloat32() * 2;
|
||
|
GLsizei viewport_height = (GLsizei)Pica::float24::FromRawFloat24(Pica::registers.viewport_size_y).ToFloat32() * 2;
|
||
|
|
||
|
// OpenGL uses different y coordinates, so negate corner offset and flip origin
|
||
|
// TODO: Ensure viewport_corner.x should not be negated or origin flipped
|
||
|
// TODO: Use floating-point viewports for accuracy if supported
|
||
|
glViewport((GLsizei)static_cast<float>(Pica::registers.viewport_corner.x),
|
||
|
-(GLsizei)static_cast<float>(Pica::registers.viewport_corner.y)
|
||
|
+ Pica::registers.framebuffer.GetHeight() - viewport_height,
|
||
|
viewport_width, viewport_height);
|
||
|
|
||
|
// Sync bound texture(s), upload if not cached
|
||
|
const auto pica_textures = Pica::registers.GetTextures();
|
||
|
for (unsigned texture_index = 0; texture_index < pica_textures.size(); ++texture_index) {
|
||
|
const auto& texture = pica_textures[texture_index];
|
||
|
|
||
|
if (texture.enabled) {
|
||
|
state.texture_units[texture_index].enabled_2d = true;
|
||
|
res_cache.LoadAndBindTexture(state, texture_index, texture);
|
||
|
} else {
|
||
|
state.texture_units[texture_index].enabled_2d = false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Skip processing TEV stages that simply pass the previous stage results through
|
||
|
const auto tev_stages = Pica::registers.GetTevStages();
|
||
|
for (unsigned tev_stage_index = 0; tev_stage_index < tev_stages.size(); ++tev_stage_index) {
|
||
|
glUniform1i(uniform_tev_cfgs[tev_stage_index].enabled, !IsPassThroughTevStage(tev_stages[tev_stage_index]));
|
||
|
}
|
||
|
|
||
|
state.Apply();
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::ReloadColorBuffer() {
|
||
|
u8* color_buffer = Memory::GetPhysicalPointer(Pica::registers.framebuffer.GetColorBufferPhysicalAddress());
|
||
|
|
||
|
if (color_buffer == nullptr)
|
||
|
return;
|
||
|
|
||
|
u32 bytes_per_pixel = Pica::Regs::BytesPerColorPixel(fb_color_texture.format);
|
||
|
|
||
|
std::unique_ptr<u8[]> temp_fb_color_buffer(new u8[fb_color_texture.width * fb_color_texture.height * bytes_per_pixel]);
|
||
|
|
||
|
// Directly copy pixels. Internal OpenGL color formats are consistent so no conversion is necessary.
|
||
|
for (int y = 0; y < fb_color_texture.height; ++y) {
|
||
|
for (int x = 0; x < fb_color_texture.width; ++x) {
|
||
|
const u32 coarse_y = y & ~7;
|
||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_color_texture.width * bytes_per_pixel;
|
||
|
u32 gl_px_idx = x * bytes_per_pixel + y * fb_color_texture.width * bytes_per_pixel;
|
||
|
|
||
|
u8* pixel = color_buffer + dst_offset;
|
||
|
memcpy(&temp_fb_color_buffer[gl_px_idx], pixel, bytes_per_pixel);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
state.texture_units[0].enabled_2d = true;
|
||
|
state.texture_units[0].texture_2d = fb_color_texture.texture.handle;
|
||
|
state.Apply();
|
||
|
|
||
|
glActiveTexture(GL_TEXTURE0);
|
||
|
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fb_color_texture.width, fb_color_texture.height,
|
||
|
fb_color_texture.gl_format, fb_color_texture.gl_type, temp_fb_color_buffer.get());
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::ReloadDepthBuffer() {
|
||
|
// TODO: Appears to work, but double-check endianness of depth values and order of depth-stencil
|
||
|
u8* depth_buffer = Memory::GetPhysicalPointer(Pica::registers.framebuffer.GetDepthBufferPhysicalAddress());
|
||
|
|
||
|
if (depth_buffer == nullptr) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(fb_depth_texture.format);
|
||
|
|
||
|
// OpenGL needs 4 bpp alignment for D24
|
||
|
u32 gl_bpp = bytes_per_pixel == 3 ? 4 : bytes_per_pixel;
|
||
|
|
||
|
std::unique_ptr<u8[]> temp_fb_depth_buffer(new u8[fb_depth_texture.width * fb_depth_texture.height * gl_bpp]);
|
||
|
|
||
|
for (int y = 0; y < fb_depth_texture.height; ++y) {
|
||
|
for (int x = 0; x < fb_depth_texture.width; ++x) {
|
||
|
const u32 coarse_y = y & ~7;
|
||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_depth_texture.width * bytes_per_pixel;
|
||
|
u32 gl_px_idx = x + y * fb_depth_texture.width;
|
||
|
|
||
|
switch (fb_depth_texture.format) {
|
||
|
case Pica::Regs::DepthFormat::D16:
|
||
|
((u16*)temp_fb_depth_buffer.get())[gl_px_idx] = Color::DecodeD16(depth_buffer + dst_offset);
|
||
|
break;
|
||
|
case Pica::Regs::DepthFormat::D24:
|
||
|
((u32*)temp_fb_depth_buffer.get())[gl_px_idx] = Color::DecodeD24(depth_buffer + dst_offset);
|
||
|
break;
|
||
|
case Pica::Regs::DepthFormat::D24S8:
|
||
|
{
|
||
|
Math::Vec2<u32> depth_stencil = Color::DecodeD24S8(depth_buffer + dst_offset);
|
||
|
((u32*)temp_fb_depth_buffer.get())[gl_px_idx] = (depth_stencil.x << 8) | depth_stencil.y;
|
||
|
break;
|
||
|
}
|
||
|
default:
|
||
|
LOG_CRITICAL(Render_OpenGL, "Unknown memory framebuffer depth format %x", fb_depth_texture.format);
|
||
|
UNIMPLEMENTED();
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
state.texture_units[0].enabled_2d = true;
|
||
|
state.texture_units[0].texture_2d = fb_depth_texture.texture.handle;
|
||
|
state.Apply();
|
||
|
|
||
|
glActiveTexture(GL_TEXTURE0);
|
||
|
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, fb_depth_texture.width, fb_depth_texture.height,
|
||
|
fb_depth_texture.gl_format, fb_depth_texture.gl_type, temp_fb_depth_buffer.get());
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::CommitColorBuffer() {
|
||
|
if (last_fb_color_addr != 0) {
|
||
|
u8* color_buffer = Memory::GetPhysicalPointer(last_fb_color_addr);
|
||
|
|
||
|
if (color_buffer != nullptr) {
|
||
|
u32 bytes_per_pixel = Pica::Regs::BytesPerColorPixel(fb_color_texture.format);
|
||
|
|
||
|
std::unique_ptr<u8[]> temp_gl_color_buffer(new u8[fb_color_texture.width * fb_color_texture.height * bytes_per_pixel]);
|
||
|
|
||
|
state.texture_units[0].enabled_2d = true;
|
||
|
state.texture_units[0].texture_2d = fb_color_texture.texture.handle;
|
||
|
state.Apply();
|
||
|
|
||
|
glActiveTexture(GL_TEXTURE0);
|
||
|
glGetTexImage(GL_TEXTURE_2D, 0, fb_color_texture.gl_format, fb_color_texture.gl_type, temp_gl_color_buffer.get());
|
||
|
|
||
|
// Directly copy pixels. Internal OpenGL color formats are consistent so no conversion is necessary.
|
||
|
for (int y = 0; y < fb_color_texture.height; ++y) {
|
||
|
for (int x = 0; x < fb_color_texture.width; ++x) {
|
||
|
const u32 coarse_y = y & ~7;
|
||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_color_texture.width * bytes_per_pixel;
|
||
|
u32 gl_px_idx = x * bytes_per_pixel + y * fb_color_texture.width * bytes_per_pixel;
|
||
|
|
||
|
u8* pixel = color_buffer + dst_offset;
|
||
|
memcpy(pixel, &temp_gl_color_buffer[gl_px_idx], bytes_per_pixel);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void RasterizerOpenGL::CommitDepthBuffer() {
|
||
|
if (last_fb_depth_addr != 0) {
|
||
|
// TODO: Output seems correct visually, but doesn't quite match sw renderer output. One of them is wrong.
|
||
|
u8* depth_buffer = Memory::GetPhysicalPointer(last_fb_depth_addr);
|
||
|
|
||
|
if (depth_buffer != nullptr) {
|
||
|
u32 bytes_per_pixel = Pica::Regs::BytesPerDepthPixel(fb_depth_texture.format);
|
||
|
|
||
|
// OpenGL needs 4 bpp alignment for D24
|
||
|
u32 gl_bpp = bytes_per_pixel == 3 ? 4 : bytes_per_pixel;
|
||
|
|
||
|
std::unique_ptr<u8[]> temp_gl_depth_buffer(new u8[fb_depth_texture.width * fb_depth_texture.height * gl_bpp]);
|
||
|
|
||
|
state.texture_units[0].enabled_2d = true;
|
||
|
state.texture_units[0].texture_2d = fb_depth_texture.texture.handle;
|
||
|
state.Apply();
|
||
|
|
||
|
glActiveTexture(GL_TEXTURE0);
|
||
|
glGetTexImage(GL_TEXTURE_2D, 0, fb_depth_texture.gl_format, fb_depth_texture.gl_type, temp_gl_depth_buffer.get());
|
||
|
|
||
|
for (int y = 0; y < fb_depth_texture.height; ++y) {
|
||
|
for (int x = 0; x < fb_depth_texture.width; ++x) {
|
||
|
const u32 coarse_y = y & ~7;
|
||
|
u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * fb_depth_texture.width * bytes_per_pixel;
|
||
|
u32 gl_px_idx = x + y * fb_depth_texture.width;
|
||
|
|
||
|
switch (fb_depth_texture.format) {
|
||
|
case Pica::Regs::DepthFormat::D16:
|
||
|
Color::EncodeD16(((u16*)temp_gl_depth_buffer.get())[gl_px_idx], depth_buffer + dst_offset);
|
||
|
break;
|
||
|
case Pica::Regs::DepthFormat::D24:
|
||
|
Color::EncodeD24(((u32*)temp_gl_depth_buffer.get())[gl_px_idx], depth_buffer + dst_offset);
|
||
|
break;
|
||
|
case Pica::Regs::DepthFormat::D24S8:
|
||
|
{
|
||
|
u32 depth_stencil = ((u32*)temp_gl_depth_buffer.get())[gl_px_idx];
|
||
|
Color::EncodeD24S8((depth_stencil >> 8), depth_stencil & 0xFF, depth_buffer + dst_offset);
|
||
|
break;
|
||
|
}
|
||
|
default:
|
||
|
LOG_CRITICAL(Render_OpenGL, "Unknown framebuffer depth format %x", fb_depth_texture.format);
|
||
|
UNIMPLEMENTED();
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|