OpenGL renderer
parent
6d995b1ff6
commit
05dc633a8c
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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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#pragma once
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#include "common/emu_window.h"
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#include "video_core/vertex_shader.h"
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class HWRasterizer {
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public:
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virtual ~HWRasterizer() {
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}
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/// Initialize API-specific GPU objects
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virtual void InitObjects() = 0;
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/// Reset the rasterizer, such as flushing all caches and updating all state
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virtual void Reset() = 0;
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/// Queues the primitive formed by the given vertices for rendering
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virtual void AddTriangle(const Pica::VertexShader::OutputVertex& v0,
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const Pica::VertexShader::OutputVertex& v1,
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const Pica::VertexShader::OutputVertex& v2) = 0;
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/// Draw the current batch of triangles
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virtual void DrawTriangles() = 0;
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/// Commit the rasterizer's framebuffer contents immediately to the current 3DS memory framebuffer
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virtual void CommitFramebuffer() = 0;
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/// Notify rasterizer that the specified PICA register has been changed
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virtual void NotifyPicaRegisterChanged(u32 id) = 0;
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/// Notify rasterizer that the specified 3DS memory region will be read from after this notification
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virtual void NotifyPreRead(PAddr addr, u32 size) = 0;
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/// Notify rasterizer that a 3DS memory region has been changed
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virtual void NotifyFlush(PAddr addr, u32 size) = 0;
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};
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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;
|
||||||
|
|
||||||
|
// TEV stage 2
|
||||||
|
case PICA_REG_INDEX(tev_stage2.color_source1):
|
||||||
|
SyncTevSources(2, Pica::registers.tev_stage2);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage2.color_modifier1):
|
||||||
|
SyncTevModifiers(2, Pica::registers.tev_stage2);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage2.color_op):
|
||||||
|
SyncTevOps(2, Pica::registers.tev_stage2);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage2.const_r):
|
||||||
|
SyncTevColor(2, Pica::registers.tev_stage2);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage2.color_scale):
|
||||||
|
SyncTevMultipliers(2, Pica::registers.tev_stage2);
|
||||||
|
break;
|
||||||
|
|
||||||
|
// TEV stage 3
|
||||||
|
case PICA_REG_INDEX(tev_stage3.color_source1):
|
||||||
|
SyncTevSources(3, Pica::registers.tev_stage3);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage3.color_modifier1):
|
||||||
|
SyncTevModifiers(3, Pica::registers.tev_stage3);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage3.color_op):
|
||||||
|
SyncTevOps(3, Pica::registers.tev_stage3);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage3.const_r):
|
||||||
|
SyncTevColor(3, Pica::registers.tev_stage3);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage3.color_scale):
|
||||||
|
SyncTevMultipliers(3, Pica::registers.tev_stage3);
|
||||||
|
break;
|
||||||
|
|
||||||
|
// TEV stage 4
|
||||||
|
case PICA_REG_INDEX(tev_stage4.color_source1):
|
||||||
|
SyncTevSources(4, Pica::registers.tev_stage4);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage4.color_modifier1):
|
||||||
|
SyncTevModifiers(4, Pica::registers.tev_stage4);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage4.color_op):
|
||||||
|
SyncTevOps(4, Pica::registers.tev_stage4);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage4.const_r):
|
||||||
|
SyncTevColor(4, Pica::registers.tev_stage4);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage4.color_scale):
|
||||||
|
SyncTevMultipliers(4, Pica::registers.tev_stage4);
|
||||||
|
break;
|
||||||
|
|
||||||
|
// TEV stage 5
|
||||||
|
case PICA_REG_INDEX(tev_stage5.color_source1):
|
||||||
|
SyncTevSources(5, Pica::registers.tev_stage5);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage5.color_modifier1):
|
||||||
|
SyncTevModifiers(5, Pica::registers.tev_stage5);
|
||||||
|
break;
|
||||||
|
case PICA_REG_INDEX(tev_stage5.color_op):
|
||||||
|
SyncTevOps(5, Pica::registers.tev_stage5);
|
||||||
|
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;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
@ -0,0 +1,207 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "video_core/hwrasterizer_base.h"
|
||||||
|
|
||||||
|
#include "gl_state.h"
|
||||||
|
#include "gl_rasterizer_cache.h"
|
||||||
|
|
||||||
|
class RasterizerOpenGL : public HWRasterizer {
|
||||||
|
public:
|
||||||
|
|
||||||
|
RasterizerOpenGL();
|
||||||
|
~RasterizerOpenGL() override;
|
||||||
|
|
||||||
|
/// Initialize API-specific GPU objects
|
||||||
|
void InitObjects() override;
|
||||||
|
|
||||||
|
/// Reset the rasterizer, such as flushing all caches and updating all state
|
||||||
|
void Reset() override;
|
||||||
|
|
||||||
|
/// Queues the primitive formed by the given vertices for rendering
|
||||||
|
void AddTriangle(const Pica::VertexShader::OutputVertex& v0,
|
||||||
|
const Pica::VertexShader::OutputVertex& v1,
|
||||||
|
const Pica::VertexShader::OutputVertex& v2) override;
|
||||||
|
|
||||||
|
/// Draw the current batch of triangles
|
||||||
|
void DrawTriangles() override;
|
||||||
|
|
||||||
|
/// Commit the rasterizer's framebuffer contents immediately to the current 3DS memory framebuffer
|
||||||
|
void CommitFramebuffer() override;
|
||||||
|
|
||||||
|
/// Notify rasterizer that the specified PICA register has been changed
|
||||||
|
void NotifyPicaRegisterChanged(u32 id) override;
|
||||||
|
|
||||||
|
/// Notify rasterizer that the specified 3DS memory region will be read from after this notification
|
||||||
|
void NotifyPreRead(PAddr addr, u32 size) override;
|
||||||
|
|
||||||
|
/// Notify rasterizer that a 3DS memory region has been changed
|
||||||
|
void NotifyFlush(PAddr addr, u32 size) override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
/// Structure used for managing texture environment states
|
||||||
|
struct TEVConfigUniforms {
|
||||||
|
GLuint enabled;
|
||||||
|
GLuint color_sources;
|
||||||
|
GLuint alpha_sources;
|
||||||
|
GLuint color_modifiers;
|
||||||
|
GLuint alpha_modifiers;
|
||||||
|
GLuint color_alpha_op;
|
||||||
|
GLuint color_alpha_multiplier;
|
||||||
|
GLuint const_color;
|
||||||
|
GLuint updates_combiner_buffer_color_alpha;
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Structure used for storing information about color textures
|
||||||
|
struct TextureInfo {
|
||||||
|
OGLTexture texture;
|
||||||
|
GLsizei width;
|
||||||
|
GLsizei height;
|
||||||
|
Pica::Regs::ColorFormat format;
|
||||||
|
GLenum gl_format;
|
||||||
|
GLenum gl_type;
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Structure used for storing information about depth textures
|
||||||
|
struct DepthTextureInfo {
|
||||||
|
OGLTexture texture;
|
||||||
|
GLsizei width;
|
||||||
|
GLsizei height;
|
||||||
|
Pica::Regs::DepthFormat format;
|
||||||
|
GLenum gl_format;
|
||||||
|
GLenum gl_type;
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Structure that the hardware rendered vertices are composed of
|
||||||
|
struct HardwareVertex {
|
||||||
|
HardwareVertex(const Pica::VertexShader::OutputVertex& v) {
|
||||||
|
position[0] = v.pos.x.ToFloat32();
|
||||||
|
position[1] = v.pos.y.ToFloat32();
|
||||||
|
position[2] = v.pos.z.ToFloat32();
|
||||||
|
position[3] = v.pos.w.ToFloat32();
|
||||||
|
color[0] = v.color.x.ToFloat32();
|
||||||
|
color[1] = v.color.y.ToFloat32();
|
||||||
|
color[2] = v.color.z.ToFloat32();
|
||||||
|
color[3] = v.color.w.ToFloat32();
|
||||||
|
tex_coord0[0] = v.tc0.x.ToFloat32();
|
||||||
|
tex_coord0[1] = v.tc0.y.ToFloat32();
|
||||||
|
tex_coord1[0] = v.tc1.x.ToFloat32();
|
||||||
|
tex_coord1[1] = v.tc1.y.ToFloat32();
|
||||||
|
tex_coord2[0] = v.tc2.x.ToFloat32();
|
||||||
|
tex_coord2[1] = v.tc2.y.ToFloat32();
|
||||||
|
}
|
||||||
|
|
||||||
|
GLfloat position[4];
|
||||||
|
GLfloat color[4];
|
||||||
|
GLfloat tex_coord0[2];
|
||||||
|
GLfloat tex_coord1[2];
|
||||||
|
GLfloat tex_coord2[2];
|
||||||
|
};
|
||||||
|
|
||||||
|
/// Reconfigure the OpenGL color texture to use the given format and dimensions
|
||||||
|
void ReconfigureColorTexture(TextureInfo& texture, Pica::Regs::ColorFormat format, u32 width, u32 height);
|
||||||
|
|
||||||
|
/// Reconfigure the OpenGL depth texture to use the given format and dimensions
|
||||||
|
void ReconfigureDepthTexture(DepthTextureInfo& texture, Pica::Regs::DepthFormat format, u32 width, u32 height);
|
||||||
|
|
||||||
|
/// Syncs the state and contents of the OpenGL framebuffer to match the current PICA framebuffer
|
||||||
|
void SyncFramebuffer();
|
||||||
|
|
||||||
|
/// Syncs the cull mode to match the PICA register
|
||||||
|
void SyncCullMode();
|
||||||
|
|
||||||
|
/// Syncs the blend enabled status to match the PICA register
|
||||||
|
void SyncBlendEnabled();
|
||||||
|
|
||||||
|
/// Syncs the blend functions to match the PICA register
|
||||||
|
void SyncBlendFuncs();
|
||||||
|
|
||||||
|
/// Syncs the blend color to match the PICA register
|
||||||
|
void SyncBlendColor();
|
||||||
|
|
||||||
|
/// Syncs the alpha test states to match the PICA register
|
||||||
|
void SyncAlphaTest();
|
||||||
|
|
||||||
|
/// Syncs the stencil test states to match the PICA register
|
||||||
|
void SyncStencilTest();
|
||||||
|
|
||||||
|
/// Syncs the depth test states to match the PICA register
|
||||||
|
void SyncDepthTest();
|
||||||
|
|
||||||
|
/// Syncs the specified TEV stage's color and alpha sources to match the PICA register
|
||||||
|
void SyncTevSources(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||||
|
|
||||||
|
/// Syncs the specified TEV stage's color and alpha modifiers to match the PICA register
|
||||||
|
void SyncTevModifiers(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||||
|
|
||||||
|
/// Syncs the specified TEV stage's color and alpha combiner operations to match the PICA register
|
||||||
|
void SyncTevOps(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||||
|
|
||||||
|
/// Syncs the specified TEV stage's constant color to match the PICA register
|
||||||
|
void SyncTevColor(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||||
|
|
||||||
|
/// Syncs the specified TEV stage's color and alpha multipliers to match the PICA register
|
||||||
|
void SyncTevMultipliers(unsigned stage_index, const Pica::Regs::TevStageConfig& config);
|
||||||
|
|
||||||
|
/// Syncs the TEV combiner color buffer to match the PICA register
|
||||||
|
void SyncCombinerColor();
|
||||||
|
|
||||||
|
/// Syncs the TEV combiner write flags to match the PICA register
|
||||||
|
void SyncCombinerWriteFlags();
|
||||||
|
|
||||||
|
/// Syncs the remaining OpenGL drawing state to match the current PICA state
|
||||||
|
void SyncDrawState();
|
||||||
|
|
||||||
|
/// Copies the 3DS color framebuffer into the OpenGL color framebuffer texture
|
||||||
|
void ReloadColorBuffer();
|
||||||
|
|
||||||
|
/// Copies the 3DS depth framebuffer into the OpenGL depth framebuffer texture
|
||||||
|
void ReloadDepthBuffer();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Save the current OpenGL color framebuffer to the current PICA framebuffer in 3DS memory
|
||||||
|
* Loads the OpenGL framebuffer textures into temporary buffers
|
||||||
|
* Then copies into the 3DS framebuffer using proper Morton order
|
||||||
|
*/
|
||||||
|
void CommitColorBuffer();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Save the current OpenGL depth framebuffer to the current PICA framebuffer in 3DS memory
|
||||||
|
* Loads the OpenGL framebuffer textures into temporary buffers
|
||||||
|
* Then copies into the 3DS framebuffer using proper Morton order
|
||||||
|
*/
|
||||||
|
void CommitDepthBuffer();
|
||||||
|
|
||||||
|
RasterizerCacheOpenGL res_cache;
|
||||||
|
|
||||||
|
std::vector<HardwareVertex> vertex_batch;
|
||||||
|
|
||||||
|
OpenGLState state;
|
||||||
|
|
||||||
|
PAddr last_fb_color_addr;
|
||||||
|
PAddr last_fb_depth_addr;
|
||||||
|
|
||||||
|
// Hardware rasterizer
|
||||||
|
TextureInfo fb_color_texture;
|
||||||
|
DepthTextureInfo fb_depth_texture;
|
||||||
|
OGLShader shader;
|
||||||
|
OGLVertexArray vertex_array;
|
||||||
|
OGLBuffer vertex_buffer;
|
||||||
|
OGLFramebuffer framebuffer;
|
||||||
|
|
||||||
|
// Hardware vertex shader
|
||||||
|
GLuint attrib_position;
|
||||||
|
GLuint attrib_color;
|
||||||
|
GLuint attrib_texcoords;
|
||||||
|
|
||||||
|
// Hardware fragment shader
|
||||||
|
GLuint uniform_alphatest_enabled;
|
||||||
|
GLuint uniform_alphatest_func;
|
||||||
|
GLuint uniform_alphatest_ref;
|
||||||
|
GLuint uniform_tex;
|
||||||
|
GLuint uniform_tev_combiner_buffer_color;
|
||||||
|
TEVConfigUniforms uniform_tev_cfgs[6];
|
||||||
|
};
|
@ -0,0 +1,77 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#include "common/make_unique.h"
|
||||||
|
#include "common/math_util.h"
|
||||||
|
|
||||||
|
#include "core/memory.h"
|
||||||
|
|
||||||
|
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
|
||||||
|
#include "video_core/renderer_opengl/pica_to_gl.h"
|
||||||
|
#include "video_core/debug_utils/debug_utils.h"
|
||||||
|
#include "video_core/math.h"
|
||||||
|
|
||||||
|
RasterizerCacheOpenGL::~RasterizerCacheOpenGL() {
|
||||||
|
FullFlush();
|
||||||
|
}
|
||||||
|
|
||||||
|
void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::Regs::FullTextureConfig& config) {
|
||||||
|
PAddr texture_addr = config.config.GetPhysicalAddress();
|
||||||
|
|
||||||
|
const auto cached_texture = texture_cache.find(texture_addr);
|
||||||
|
|
||||||
|
if (cached_texture != texture_cache.end()) {
|
||||||
|
state.texture_units[texture_unit].texture_2d = cached_texture->second->texture.handle;
|
||||||
|
state.Apply();
|
||||||
|
} else {
|
||||||
|
std::unique_ptr<CachedTexture> new_texture = Common::make_unique<CachedTexture>();
|
||||||
|
|
||||||
|
new_texture->texture.Create();
|
||||||
|
state.texture_units[texture_unit].texture_2d = new_texture->texture.handle;
|
||||||
|
state.Apply();
|
||||||
|
|
||||||
|
// TODO: Need to choose filters that correspond to PICA once register is declared
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||||
|
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, PicaToGL::WrapMode(config.config.wrap_s));
|
||||||
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, PicaToGL::WrapMode(config.config.wrap_t));
|
||||||
|
|
||||||
|
const auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(config.config, config.format);
|
||||||
|
|
||||||
|
new_texture->width = info.width;
|
||||||
|
new_texture->height = info.height;
|
||||||
|
new_texture->size = info.width * info.height * Pica::Regs::NibblesPerPixel(info.format);
|
||||||
|
|
||||||
|
u8* texture_src_data = Memory::GetPhysicalPointer(texture_addr);
|
||||||
|
std::unique_ptr<Math::Vec4<u8>[]> temp_texture_buffer_rgba(new Math::Vec4<u8>[info.width * info.height]);
|
||||||
|
|
||||||
|
for (int y = 0; y < info.height; ++y) {
|
||||||
|
for (int x = 0; x < info.width; ++x) {
|
||||||
|
temp_texture_buffer_rgba[x + info.width * y] = Pica::DebugUtils::LookupTexture(texture_src_data, x, info.height - 1 - y, info);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, info.width, info.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, temp_texture_buffer_rgba.get());
|
||||||
|
|
||||||
|
texture_cache.emplace(texture_addr, std::move(new_texture));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void RasterizerCacheOpenGL::NotifyFlush(PAddr addr, u32 size) {
|
||||||
|
// Flush any texture that falls in the flushed region
|
||||||
|
// TODO: Optimize by also inserting upper bound (addr + size) of each texture into the same map and also narrow using lower_bound
|
||||||
|
auto cache_upper_bound = texture_cache.upper_bound(addr + size);
|
||||||
|
for (auto it = texture_cache.begin(); it != cache_upper_bound;) {
|
||||||
|
if (MathUtil::IntervalsIntersect(addr, size, it->first, it->second->size)) {
|
||||||
|
it = texture_cache.erase(it);
|
||||||
|
} else {
|
||||||
|
++it;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void RasterizerCacheOpenGL::FullFlush() {
|
||||||
|
texture_cache.clear();
|
||||||
|
}
|
@ -0,0 +1,36 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "gl_state.h"
|
||||||
|
#include "gl_resource_manager.h"
|
||||||
|
#include "video_core/pica.h"
|
||||||
|
|
||||||
|
#include <memory>
|
||||||
|
#include <map>
|
||||||
|
|
||||||
|
class RasterizerCacheOpenGL : NonCopyable {
|
||||||
|
public:
|
||||||
|
~RasterizerCacheOpenGL();
|
||||||
|
|
||||||
|
/// Loads a texture from 3DS memory to OpenGL and caches it (if not already cached)
|
||||||
|
void LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::Regs::FullTextureConfig& config);
|
||||||
|
|
||||||
|
/// Flush any cached resource that touches the flushed region
|
||||||
|
void NotifyFlush(PAddr addr, u32 size);
|
||||||
|
|
||||||
|
/// Flush all cached OpenGL resources tracked by this cache manager
|
||||||
|
void FullFlush();
|
||||||
|
|
||||||
|
private:
|
||||||
|
struct CachedTexture {
|
||||||
|
OGLTexture texture;
|
||||||
|
GLuint width;
|
||||||
|
GLuint height;
|
||||||
|
u32 size;
|
||||||
|
};
|
||||||
|
|
||||||
|
std::map<PAddr, std::unique_ptr<CachedTexture>> texture_cache;
|
||||||
|
};
|
@ -0,0 +1,111 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||||
|
#include "video_core/renderer_opengl/gl_shader_util.h"
|
||||||
|
|
||||||
|
// Textures
|
||||||
|
OGLTexture::OGLTexture() : handle(0) {
|
||||||
|
}
|
||||||
|
|
||||||
|
OGLTexture::~OGLTexture() {
|
||||||
|
Release();
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLTexture::Create() {
|
||||||
|
if (handle != 0) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
glGenTextures(1, &handle);
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLTexture::Release() {
|
||||||
|
glDeleteTextures(1, &handle);
|
||||||
|
handle = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Shaders
|
||||||
|
OGLShader::OGLShader() : handle(0) {
|
||||||
|
}
|
||||||
|
|
||||||
|
OGLShader::~OGLShader() {
|
||||||
|
Release();
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLShader::Create(const char* vert_shader, const char* frag_shader) {
|
||||||
|
if (handle != 0) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
handle = ShaderUtil::LoadShaders(vert_shader, frag_shader);
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLShader::Release() {
|
||||||
|
glDeleteProgram(handle);
|
||||||
|
handle = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Buffer objects
|
||||||
|
OGLBuffer::OGLBuffer() : handle(0) {
|
||||||
|
}
|
||||||
|
|
||||||
|
OGLBuffer::~OGLBuffer() {
|
||||||
|
Release();
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLBuffer::Create() {
|
||||||
|
if (handle != 0) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
glGenBuffers(1, &handle);
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLBuffer::Release() {
|
||||||
|
glDeleteBuffers(1, &handle);
|
||||||
|
handle = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Vertex array objects
|
||||||
|
OGLVertexArray::OGLVertexArray() : handle(0) {
|
||||||
|
}
|
||||||
|
|
||||||
|
OGLVertexArray::~OGLVertexArray() {
|
||||||
|
Release();
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLVertexArray::Create() {
|
||||||
|
if (handle != 0) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
glGenVertexArrays(1, &handle);
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLVertexArray::Release() {
|
||||||
|
glDeleteVertexArrays(1, &handle);
|
||||||
|
handle = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Framebuffers
|
||||||
|
OGLFramebuffer::OGLFramebuffer() : handle(0) {
|
||||||
|
}
|
||||||
|
|
||||||
|
OGLFramebuffer::~OGLFramebuffer() {
|
||||||
|
Release();
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLFramebuffer::Create() {
|
||||||
|
if (handle != 0) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
glGenFramebuffers(1, &handle);
|
||||||
|
}
|
||||||
|
|
||||||
|
void OGLFramebuffer::Release() {
|
||||||
|
glDeleteFramebuffers(1, &handle);
|
||||||
|
handle = 0;
|
||||||
|
}
|
@ -0,0 +1,79 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "common/common_types.h"
|
||||||
|
|
||||||
|
#include "generated/gl_3_2_core.h"
|
||||||
|
|
||||||
|
class OGLTexture : public NonCopyable {
|
||||||
|
public:
|
||||||
|
OGLTexture();
|
||||||
|
~OGLTexture();
|
||||||
|
|
||||||
|
/// Creates a new internal OpenGL resource and stores the handle
|
||||||
|
void Create();
|
||||||
|
|
||||||
|
/// Deletes the internal OpenGL resource
|
||||||
|
void Release();
|
||||||
|
|
||||||
|
GLuint handle;
|
||||||
|
};
|
||||||
|
|
||||||
|
class OGLShader : public NonCopyable {
|
||||||
|
public:
|
||||||
|
OGLShader();
|
||||||
|
~OGLShader();
|
||||||
|
|
||||||
|
/// Creates a new internal OpenGL resource and stores the handle
|
||||||
|
void Create(const char* vert_shader, const char* frag_shader);
|
||||||
|
|
||||||
|
/// Deletes the internal OpenGL resource
|
||||||
|
void Release();
|
||||||
|
|
||||||
|
GLuint handle;
|
||||||
|
};
|
||||||
|
|
||||||
|
class OGLBuffer : public NonCopyable {
|
||||||
|
public:
|
||||||
|
OGLBuffer();
|
||||||
|
~OGLBuffer();
|
||||||
|
|
||||||
|
/// Creates a new internal OpenGL resource and stores the handle
|
||||||
|
void Create();
|
||||||
|
|
||||||
|
/// Deletes the internal OpenGL resource
|
||||||
|
void Release();
|
||||||
|
|
||||||
|
GLuint handle;
|
||||||
|
};
|
||||||
|
|
||||||
|
class OGLVertexArray : public NonCopyable {
|
||||||
|
public:
|
||||||
|
OGLVertexArray();
|
||||||
|
~OGLVertexArray();
|
||||||
|
|
||||||
|
/// Creates a new internal OpenGL resource and stores the handle
|
||||||
|
void Create();
|
||||||
|
|
||||||
|
/// Deletes the internal OpenGL resource
|
||||||
|
void Release();
|
||||||
|
|
||||||
|
GLuint handle;
|
||||||
|
};
|
||||||
|
|
||||||
|
class OGLFramebuffer : public NonCopyable {
|
||||||
|
public:
|
||||||
|
OGLFramebuffer();
|
||||||
|
~OGLFramebuffer();
|
||||||
|
|
||||||
|
/// Creates a new internal OpenGL resource and stores the handle
|
||||||
|
void Create();
|
||||||
|
|
||||||
|
/// Deletes the internal OpenGL resource
|
||||||
|
void Release();
|
||||||
|
|
||||||
|
GLuint handle;
|
||||||
|
};
|
@ -0,0 +1,160 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#include "video_core/renderer_opengl/gl_state.h"
|
||||||
|
#include "video_core/pica.h"
|
||||||
|
|
||||||
|
OpenGLState OpenGLState::cur_state;
|
||||||
|
|
||||||
|
OpenGLState::OpenGLState() {
|
||||||
|
// These all match default OpenGL values
|
||||||
|
cull.enabled = false;
|
||||||
|
cull.mode = GL_BACK;
|
||||||
|
|
||||||
|
depth.test_enabled = false;
|
||||||
|
depth.test_func = GL_LESS;
|
||||||
|
depth.write_mask = GL_TRUE;
|
||||||
|
|
||||||
|
stencil.test_enabled = false;
|
||||||
|
stencil.test_func = GL_ALWAYS;
|
||||||
|
stencil.test_ref = 0;
|
||||||
|
stencil.test_mask = -1;
|
||||||
|
stencil.write_mask = -1;
|
||||||
|
|
||||||
|
blend.enabled = false;
|
||||||
|
blend.src_rgb_func = GL_ONE;
|
||||||
|
blend.dst_rgb_func = GL_ZERO;
|
||||||
|
blend.src_a_func = GL_ONE;
|
||||||
|
blend.dst_a_func = GL_ZERO;
|
||||||
|
blend.color.red = 0.0f;
|
||||||
|
blend.color.green = 0.0f;
|
||||||
|
blend.color.blue = 0.0f;
|
||||||
|
blend.color.alpha = 0.0f;
|
||||||
|
|
||||||
|
for (auto& texture_unit : texture_units) {
|
||||||
|
texture_unit.enabled_2d = false;
|
||||||
|
texture_unit.texture_2d = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
draw.framebuffer = 0;
|
||||||
|
draw.vertex_array = 0;
|
||||||
|
draw.vertex_buffer = 0;
|
||||||
|
draw.shader_program = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
const void OpenGLState::Apply() {
|
||||||
|
// Culling
|
||||||
|
if (cull.enabled != cur_state.cull.enabled) {
|
||||||
|
if (cull.enabled) {
|
||||||
|
glEnable(GL_CULL_FACE);
|
||||||
|
} else {
|
||||||
|
glDisable(GL_CULL_FACE);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (cull.mode != cur_state.cull.mode) {
|
||||||
|
glCullFace(cull.mode);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Depth test
|
||||||
|
if (depth.test_enabled != cur_state.depth.test_enabled) {
|
||||||
|
if (depth.test_enabled) {
|
||||||
|
glEnable(GL_DEPTH_TEST);
|
||||||
|
} else {
|
||||||
|
glDisable(GL_DEPTH_TEST);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (depth.test_func != cur_state.depth.test_func) {
|
||||||
|
glDepthFunc(depth.test_func);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Depth mask
|
||||||
|
if (depth.write_mask != cur_state.depth.write_mask) {
|
||||||
|
glDepthMask(depth.write_mask);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Stencil test
|
||||||
|
if (stencil.test_enabled != cur_state.stencil.test_enabled) {
|
||||||
|
if (stencil.test_enabled) {
|
||||||
|
glEnable(GL_STENCIL_TEST);
|
||||||
|
} else {
|
||||||
|
glDisable(GL_STENCIL_TEST);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (stencil.test_func != cur_state.stencil.test_func ||
|
||||||
|
stencil.test_ref != cur_state.stencil.test_ref ||
|
||||||
|
stencil.test_mask != cur_state.stencil.test_mask) {
|
||||||
|
glStencilFunc(stencil.test_func, stencil.test_ref, stencil.test_mask);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Stencil mask
|
||||||
|
if (stencil.write_mask != cur_state.stencil.write_mask) {
|
||||||
|
glStencilMask(stencil.write_mask);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Blending
|
||||||
|
if (blend.enabled != cur_state.blend.enabled) {
|
||||||
|
if (blend.enabled) {
|
||||||
|
glEnable(GL_BLEND);
|
||||||
|
} else {
|
||||||
|
glDisable(GL_BLEND);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (blend.color.red != cur_state.blend.color.red ||
|
||||||
|
blend.color.green != cur_state.blend.color.green ||
|
||||||
|
blend.color.blue != cur_state.blend.color.blue ||
|
||||||
|
blend.color.alpha != cur_state.blend.color.alpha) {
|
||||||
|
glBlendColor(blend.color.red, blend.color.green, blend.color.blue, blend.color.alpha);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (blend.src_rgb_func != cur_state.blend.src_rgb_func ||
|
||||||
|
blend.dst_rgb_func != cur_state.blend.dst_rgb_func ||
|
||||||
|
blend.src_a_func != cur_state.blend.src_a_func ||
|
||||||
|
blend.dst_a_func != cur_state.blend.dst_a_func) {
|
||||||
|
glBlendFuncSeparate(blend.src_rgb_func, blend.dst_rgb_func, blend.src_a_func, blend.dst_a_func);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Textures
|
||||||
|
for (unsigned texture_index = 0; texture_index < ARRAY_SIZE(texture_units); ++texture_index) {
|
||||||
|
if (texture_units[texture_index].enabled_2d != texture_units[texture_index].enabled_2d) {
|
||||||
|
glActiveTexture(GL_TEXTURE0 + texture_index);
|
||||||
|
|
||||||
|
if (texture_units[texture_index].enabled_2d) {
|
||||||
|
glEnable(GL_TEXTURE_2D);
|
||||||
|
} else {
|
||||||
|
glDisable(GL_TEXTURE_2D);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (texture_units[texture_index].texture_2d != cur_state.texture_units[texture_index].texture_2d) {
|
||||||
|
glActiveTexture(GL_TEXTURE0 + texture_index);
|
||||||
|
glBindTexture(GL_TEXTURE_2D, texture_units[texture_index].texture_2d);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Framebuffer
|
||||||
|
if (draw.framebuffer != cur_state.draw.framebuffer) {
|
||||||
|
glBindFramebuffer(GL_FRAMEBUFFER, draw.framebuffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Vertex array
|
||||||
|
if (draw.vertex_array != cur_state.draw.vertex_array) {
|
||||||
|
glBindVertexArray(draw.vertex_array);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Vertex buffer
|
||||||
|
if (draw.vertex_buffer != cur_state.draw.vertex_buffer) {
|
||||||
|
glBindBuffer(GL_ARRAY_BUFFER, draw.vertex_buffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Shader program
|
||||||
|
if (draw.shader_program != cur_state.draw.shader_program) {
|
||||||
|
glUseProgram(draw.shader_program);
|
||||||
|
}
|
||||||
|
|
||||||
|
cur_state = *this;
|
||||||
|
}
|
@ -0,0 +1,70 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "generated/gl_3_2_core.h"
|
||||||
|
|
||||||
|
class OpenGLState {
|
||||||
|
public:
|
||||||
|
struct {
|
||||||
|
bool enabled; // GL_CULL_FACE
|
||||||
|
GLenum mode; // GL_CULL_FACE_MODE
|
||||||
|
} cull;
|
||||||
|
|
||||||
|
struct {
|
||||||
|
bool test_enabled; // GL_DEPTH_TEST
|
||||||
|
GLenum test_func; // GL_DEPTH_FUNC
|
||||||
|
GLboolean write_mask; // GL_DEPTH_WRITEMASK
|
||||||
|
} depth;
|
||||||
|
|
||||||
|
struct {
|
||||||
|
bool test_enabled; // GL_STENCIL_TEST
|
||||||
|
GLenum test_func; // GL_STENCIL_FUNC
|
||||||
|
GLint test_ref; // GL_STENCIL_REF
|
||||||
|
GLuint test_mask; // GL_STENCIL_VALUE_MASK
|
||||||
|
GLuint write_mask; // GL_STENCIL_WRITEMASK
|
||||||
|
} stencil;
|
||||||
|
|
||||||
|
struct {
|
||||||
|
bool enabled; // GL_BLEND
|
||||||
|
GLenum src_rgb_func; // GL_BLEND_SRC_RGB
|
||||||
|
GLenum dst_rgb_func; // GL_BLEND_DST_RGB
|
||||||
|
GLenum src_a_func; // GL_BLEND_SRC_ALPHA
|
||||||
|
GLenum dst_a_func; // GL_BLEND_DST_ALPHA
|
||||||
|
|
||||||
|
struct {
|
||||||
|
GLclampf red;
|
||||||
|
GLclampf green;
|
||||||
|
GLclampf blue;
|
||||||
|
GLclampf alpha;
|
||||||
|
} color; // GL_BLEND_COLOR
|
||||||
|
} blend;
|
||||||
|
|
||||||
|
// 3 texture units - one for each that is used in PICA fragment shader emulation
|
||||||
|
struct {
|
||||||
|
bool enabled_2d; // GL_TEXTURE_2D
|
||||||
|
GLuint texture_2d; // GL_TEXTURE_BINDING_2D
|
||||||
|
} texture_units[3];
|
||||||
|
|
||||||
|
struct {
|
||||||
|
GLuint framebuffer; // GL_DRAW_FRAMEBUFFER_BINDING
|
||||||
|
GLuint vertex_array; // GL_VERTEX_ARRAY_BINDING
|
||||||
|
GLuint vertex_buffer; // GL_ARRAY_BUFFER_BINDING
|
||||||
|
GLuint shader_program; // GL_CURRENT_PROGRAM
|
||||||
|
} draw;
|
||||||
|
|
||||||
|
OpenGLState();
|
||||||
|
|
||||||
|
/// Get the currently active OpenGL state
|
||||||
|
static const OpenGLState& GetCurState() {
|
||||||
|
return cur_state;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Apply this state as the current OpenGL state
|
||||||
|
const void Apply();
|
||||||
|
|
||||||
|
private:
|
||||||
|
static OpenGLState cur_state;
|
||||||
|
};
|
@ -0,0 +1,105 @@
|
|||||||
|
// Copyright 2015 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include "common/common_types.h"
|
||||||
|
|
||||||
|
#include "video_core/pica.h"
|
||||||
|
|
||||||
|
#include "generated/gl_3_2_core.h"
|
||||||
|
|
||||||
|
namespace PicaToGL {
|
||||||
|
|
||||||
|
inline GLenum WrapMode(Pica::Regs::TextureConfig::WrapMode mode) {
|
||||||
|
static const GLenum wrap_mode_table[] = {
|
||||||
|
GL_CLAMP_TO_EDGE, // WrapMode::ClampToEdge
|
||||||
|
0, // Unknown
|
||||||
|
GL_REPEAT, // WrapMode::Repeat
|
||||||
|
GL_MIRRORED_REPEAT // WrapMode::MirroredRepeat
|
||||||
|
};
|
||||||
|
|
||||||
|
// Range check table for input
|
||||||
|
if (mode >= ARRAY_SIZE(wrap_mode_table)) {
|
||||||
|
LOG_CRITICAL(Render_OpenGL, "Unknown texture wrap mode %d", mode);
|
||||||
|
UNREACHABLE();
|
||||||
|
|
||||||
|
return GL_CLAMP_TO_EDGE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GLenum gl_mode = wrap_mode_table[mode];
|
||||||
|
|
||||||
|
// Check for dummy values indicating an unknown mode
|
||||||
|
if (gl_mode == 0) {
|
||||||
|
LOG_CRITICAL(Render_OpenGL, "Unknown texture wrap mode %d", mode);
|
||||||
|
UNIMPLEMENTED();
|
||||||
|
|
||||||
|
return GL_CLAMP_TO_EDGE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return gl_mode;
|
||||||
|
}
|
||||||
|
|
||||||
|
inline GLenum BlendFunc(u32 factor) {
|
||||||
|
static const GLenum blend_func_table[] = {
|
||||||
|
GL_ZERO, // BlendFactor::Zero
|
||||||
|
GL_ONE, // BlendFactor::One
|
||||||
|
GL_SRC_COLOR, // BlendFactor::SourceColor
|
||||||
|
GL_ONE_MINUS_SRC_COLOR, // BlendFactor::OneMinusSourceColor
|
||||||
|
GL_DST_COLOR, // BlendFactor::DestColor
|
||||||
|
GL_ONE_MINUS_DST_COLOR, // BlendFactor::OneMinusDestColor
|
||||||
|
GL_SRC_ALPHA, // BlendFactor::SourceAlpha
|
||||||
|
GL_ONE_MINUS_SRC_ALPHA, // BlendFactor::OneMinusSourceAlpha
|
||||||
|
GL_DST_ALPHA, // BlendFactor::DestAlpha
|
||||||
|
GL_ONE_MINUS_DST_ALPHA, // BlendFactor::OneMinusDestAlpha
|
||||||
|
GL_CONSTANT_COLOR, // BlendFactor::ConstantColor
|
||||||
|
GL_ONE_MINUS_CONSTANT_COLOR, // BlendFactor::OneMinusConstantColor
|
||||||
|
GL_CONSTANT_ALPHA, // BlendFactor::ConstantAlpha
|
||||||
|
GL_ONE_MINUS_CONSTANT_ALPHA, // BlendFactor::OneMinusConstantAlpha
|
||||||
|
GL_SRC_ALPHA_SATURATE, // BlendFactor::SourceAlphaSaturate
|
||||||
|
};
|
||||||
|
|
||||||
|
// Range check table for input
|
||||||
|
if (factor >= ARRAY_SIZE(blend_func_table)) {
|
||||||
|
LOG_CRITICAL(Render_OpenGL, "Unknown blend factor %d", factor);
|
||||||
|
UNREACHABLE();
|
||||||
|
|
||||||
|
return GL_ONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return blend_func_table[factor];
|
||||||
|
}
|
||||||
|
|
||||||
|
inline GLenum CompareFunc(u32 func) {
|
||||||
|
static const GLenum compare_func_table[] = {
|
||||||
|
GL_NEVER, // CompareFunc::Never
|
||||||
|
GL_ALWAYS, // CompareFunc::Always
|
||||||
|
GL_EQUAL, // CompareFunc::Equal
|
||||||
|
GL_NOTEQUAL, // CompareFunc::NotEqual
|
||||||
|
GL_LESS, // CompareFunc::LessThan
|
||||||
|
GL_LEQUAL, // CompareFunc::LessThanOrEqual
|
||||||
|
GL_GREATER, // CompareFunc::GreaterThan
|
||||||
|
GL_GEQUAL, // CompareFunc::GreaterThanOrEqual
|
||||||
|
};
|
||||||
|
|
||||||
|
// Range check table for input
|
||||||
|
if (func >= ARRAY_SIZE(compare_func_table)) {
|
||||||
|
LOG_CRITICAL(Render_OpenGL, "Unknown compare function %d", func);
|
||||||
|
UNREACHABLE();
|
||||||
|
|
||||||
|
return GL_ALWAYS;
|
||||||
|
}
|
||||||
|
|
||||||
|
return compare_func_table[func];
|
||||||
|
}
|
||||||
|
|
||||||
|
inline std::array<GLfloat, 4> ColorRGBA8(const u8* bytes) {
|
||||||
|
return { { bytes[0] / 255.0f,
|
||||||
|
bytes[1] / 255.0f,
|
||||||
|
bytes[2] / 255.0f,
|
||||||
|
bytes[3] / 255.0f
|
||||||
|
} };
|
||||||
|
}
|
||||||
|
|
||||||
|
} // namespace
|
Loading…
Reference in New Issue