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early-access version 4106

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pineappleEA
2024-02-01 19:47:57 +01:00
parent afc99d73c7
commit 2e96c99ad6
124 changed files with 17608 additions and 17080 deletions
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96
src/video_core/renderer_opengl/gl_blit_screen.cpp Executable file
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@@ -0,0 +1,96 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/settings.h"
#include "video_core/renderer_opengl/gl_blit_screen.h"
#include "video_core/renderer_opengl/gl_state_tracker.h"
#include "video_core/renderer_opengl/present/filters.h"
#include "video_core/renderer_opengl/present/layer.h"
#include "video_core/renderer_opengl/present/window_adapt_pass.h"
namespace OpenGL {
BlitScreen::BlitScreen(RasterizerOpenGL& rasterizer_,
Tegra::MaxwellDeviceMemoryManager& device_memory_,
StateTracker& state_tracker_, ProgramManager& program_manager_,
Device& device_)
: rasterizer(rasterizer_), device_memory(device_memory_), state_tracker(state_tracker_),
program_manager(program_manager_), device(device_) {}
BlitScreen::~BlitScreen() = default;
void BlitScreen::DrawScreen(std::span<const Tegra::FramebufferConfig> framebuffers,
const Layout::FramebufferLayout& layout) {
// TODO: Signal state tracker about these changes
state_tracker.NotifyScreenDrawVertexArray();
state_tracker.NotifyPolygonModes();
state_tracker.NotifyViewport0();
state_tracker.NotifyScissor0();
state_tracker.NotifyColorMask(0);
state_tracker.NotifyBlend0();
state_tracker.NotifyFramebuffer();
state_tracker.NotifyFrontFace();
state_tracker.NotifyCullTest();
state_tracker.NotifyDepthTest();
state_tracker.NotifyStencilTest();
state_tracker.NotifyPolygonOffset();
state_tracker.NotifyRasterizeEnable();
state_tracker.NotifyFramebufferSRGB();
state_tracker.NotifyLogicOp();
state_tracker.NotifyClipControl();
state_tracker.NotifyAlphaTest();
state_tracker.ClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
glEnable(GL_CULL_FACE);
glDisable(GL_COLOR_LOGIC_OP);
glDisable(GL_DEPTH_TEST);
glDisable(GL_STENCIL_TEST);
glDisable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_RASTERIZER_DISCARD);
glDisable(GL_ALPHA_TEST);
glDisablei(GL_BLEND, 0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glDepthRangeIndexed(0, 0.0, 0.0);
while (layers.size() < framebuffers.size()) {
layers.emplace_back(rasterizer, device_memory);
}
CreateWindowAdapt();
window_adapt->DrawToFramebuffer(program_manager, layers, framebuffers, layout);
// TODO
// program_manager.RestoreGuestPipeline();
}
void BlitScreen::CreateWindowAdapt() {
if (window_adapt && Settings::values.scaling_filter.GetValue() == current_window_adapt) {
return;
}
current_window_adapt = Settings::values.scaling_filter.GetValue();
switch (current_window_adapt) {
case Settings::ScalingFilter::NearestNeighbor:
window_adapt = MakeNearestNeighbor(device);
break;
case Settings::ScalingFilter::Bicubic:
window_adapt = MakeBicubic(device);
break;
case Settings::ScalingFilter::Gaussian:
window_adapt = MakeGaussian(device);
break;
case Settings::ScalingFilter::ScaleForce:
window_adapt = MakeScaleForce(device);
break;
case Settings::ScalingFilter::Fsr:
case Settings::ScalingFilter::Bilinear:
default:
window_adapt = MakeBilinear(device);
break;
}
}
} // namespace OpenGL

71
src/video_core/renderer_opengl/gl_blit_screen.h Executable file
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@@ -0,0 +1,71 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <list>
#include <memory>
#include <span>
#include "core/hle/service/nvnflinger/pixel_format.h"
#include "video_core/host1x/gpu_device_memory_manager.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace Layout {
struct FramebufferLayout;
}
namespace Tegra {
struct FramebufferConfig;
}
namespace Settings {
enum class ScalingFilter : u32;
}
namespace OpenGL {
class Device;
class Layer;
class ProgramManager;
class RasterizerOpenGL;
class StateTracker;
class WindowAdaptPass;
/// Structure used for storing information about the display target for the Switch screen
struct FramebufferTextureInfo {
GLuint display_texture{};
u32 width;
u32 height;
u32 scaled_width;
u32 scaled_height;
};
class BlitScreen {
public:
explicit BlitScreen(RasterizerOpenGL& rasterizer,
Tegra::MaxwellDeviceMemoryManager& device_memory,
StateTracker& state_tracker, ProgramManager& program_manager,
Device& device);
~BlitScreen();
/// Draws the emulated screens to the emulator window.
void DrawScreen(std::span<const Tegra::FramebufferConfig> framebuffers,
const Layout::FramebufferLayout& layout);
private:
void CreateWindowAdapt();
RasterizerOpenGL& rasterizer;
Tegra::MaxwellDeviceMemoryManager& device_memory;
StateTracker& state_tracker;
ProgramManager& program_manager;
Device& device;
Settings::ScalingFilter current_window_adapt{};
std::unique_ptr<WindowAdaptPass> window_adapt;
std::list<Layer> layers;
};
} // namespace OpenGL

36
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@@ -71,10 +71,10 @@ std::optional<VideoCore::QueryType> MaxwellToVideoCoreQuery(VideoCommon::QueryTy
RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu_,
Tegra::MaxwellDeviceMemoryManager& device_memory_,
const Device& device_, ScreenInfo& screen_info_,
ProgramManager& program_manager_, StateTracker& state_tracker_)
: gpu(gpu_), device_memory(device_memory_), device(device_), screen_info(screen_info_),
program_manager(program_manager_), state_tracker(state_tracker_),
const Device& device_, ProgramManager& program_manager_,
StateTracker& state_tracker_)
: gpu(gpu_), device_memory(device_memory_), device(device_), program_manager(program_manager_),
state_tracker(state_tracker_),
texture_cache_runtime(device, program_manager, state_tracker, staging_buffer_pool),
texture_cache(texture_cache_runtime, device_memory_),
buffer_cache_runtime(device, staging_buffer_pool),
@@ -739,27 +739,29 @@ void RasterizerOpenGL::AccelerateInlineToMemory(GPUVAddr address, size_t copy_si
query_cache.InvalidateRegion(*cpu_addr, copy_size);
}
bool RasterizerOpenGL::AccelerateDisplay(const Tegra::FramebufferConfig& config,
DAddr framebuffer_addr, u32 pixel_stride) {
std::optional<FramebufferTextureInfo> RasterizerOpenGL::AccelerateDisplay(
const Tegra::FramebufferConfig& config, DAddr framebuffer_addr, u32 pixel_stride) {
if (framebuffer_addr == 0) {
return false;
return {};
}
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
std::scoped_lock lock{texture_cache.mutex};
ImageView* const image_view{
texture_cache.TryFindFramebufferImageView(config, framebuffer_addr)};
const auto [image_view, scaled] =
texture_cache.TryFindFramebufferImageView(config, framebuffer_addr);
if (!image_view) {
return false;
return {};
}
// Verify that the cached surface is the same size and format as the requested framebuffer
// ASSERT_MSG(image_view->size.width == config.width, "Framebuffer width is different");
// ASSERT_MSG(image_view->size.height == config.height, "Framebuffer height is different");
screen_info.texture.width = image_view->size.width;
screen_info.texture.height = image_view->size.height;
screen_info.display_texture = image_view->Handle(Shader::TextureType::Color2D);
return true;
const auto& resolution = Settings::values.resolution_info;
FramebufferTextureInfo info{};
info.display_texture = image_view->Handle(Shader::TextureType::Color2D);
info.width = image_view->size.width;
info.height = image_view->size.height;
info.scaled_width = scaled ? resolution.ScaleUp(info.width) : info.width;
info.scaled_height = scaled ? resolution.ScaleUp(info.height) : info.height;
return info;
}
void RasterizerOpenGL::SyncState() {

14
src/video_core/renderer_opengl/gl_rasterizer.h
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@@ -16,6 +16,7 @@
#include "video_core/engines/maxwell_dma.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/blit_image.h"
#include "video_core/renderer_opengl/gl_blit_screen.h"
#include "video_core/renderer_opengl/gl_buffer_cache.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_fence_manager.h"
@@ -37,7 +38,7 @@ class MemoryManager;
namespace OpenGL {
struct ScreenInfo;
struct FramebufferTextureInfo;
struct ShaderEntries;
struct BindlessSSBO {
@@ -76,8 +77,8 @@ class RasterizerOpenGL : public VideoCore::RasterizerInterface,
public:
explicit RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu_,
Tegra::MaxwellDeviceMemoryManager& device_memory_,
const Device& device_, ScreenInfo& screen_info_,
ProgramManager& program_manager_, StateTracker& state_tracker_);
const Device& device_, ProgramManager& program_manager_,
StateTracker& state_tracker_);
~RasterizerOpenGL() override;
void Draw(bool is_indexed, u32 instance_count) override;
@@ -122,8 +123,6 @@ public:
Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() override;
void AccelerateInlineToMemory(GPUVAddr address, size_t copy_size,
std::span<const u8> memory) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, DAddr framebuffer_addr,
u32 pixel_stride) override;
void LoadDiskResources(u64 title_id, std::stop_token stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) override;
@@ -144,6 +143,10 @@ public:
return true;
}
std::optional<FramebufferTextureInfo> AccelerateDisplay(const Tegra::FramebufferConfig& config,
VAddr framebuffer_addr,
u32 pixel_stride);
private:
static constexpr size_t MAX_TEXTURES = 192;
static constexpr size_t MAX_IMAGES = 48;
@@ -237,7 +240,6 @@ private:
Tegra::MaxwellDeviceMemoryManager& device_memory;
const Device& device;
ScreenInfo& screen_info;
ProgramManager& program_manager;
StateTracker& state_tracker;

4
src/video_core/renderer_opengl/gl_texture_cache.cpp
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@@ -1051,6 +1051,10 @@ void Image::Scale(bool up_scale) {
state_tracker.NotifyScissor0();
}
bool Image::IsRescaled() const {
return True(flags & ImageFlagBits::Rescaled);
}
bool Image::ScaleUp(bool ignore) {
const auto& resolution = runtime->resolution;
if (!resolution.active) {

2
src/video_core/renderer_opengl/gl_texture_cache.h
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@@ -217,6 +217,8 @@ public:
return gl_type;
}
bool IsRescaled() const;
bool ScaleUp(bool ignore = false);
bool ScaleDown(bool ignore = false);

39
src/video_core/renderer_opengl/present/filters.cpp Executable file
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@@ -0,0 +1,39 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/host_shaders/opengl_present_frag.h"
#include "video_core/host_shaders/opengl_present_scaleforce_frag.h"
#include "video_core/host_shaders/present_bicubic_frag.h"
#include "video_core/host_shaders/present_gaussian_frag.h"
#include "video_core/renderer_opengl/present/filters.h"
#include "video_core/renderer_opengl/present/util.h"
namespace OpenGL {
std::unique_ptr<WindowAdaptPass> MakeNearestNeighbor(const Device& device) {
return std::make_unique<WindowAdaptPass>(device, CreateNearestNeighborSampler(),
HostShaders::OPENGL_PRESENT_FRAG);
}
std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device) {
return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
HostShaders::OPENGL_PRESENT_FRAG);
}
std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device) {
return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
HostShaders::PRESENT_BICUBIC_FRAG);
}
std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device) {
return std::make_unique<WindowAdaptPass>(device, CreateBilinearSampler(),
HostShaders::PRESENT_GAUSSIAN_FRAG);
}
std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device) {
return std::make_unique<WindowAdaptPass>(
device, CreateBilinearSampler(),
fmt::format("#version 460\n{}", HostShaders::OPENGL_PRESENT_SCALEFORCE_FRAG));
}
} // namespace OpenGL

17
src/video_core/renderer_opengl/present/filters.h Executable file
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@@ -0,0 +1,17 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include "video_core/renderer_opengl/present/window_adapt_pass.h"
namespace OpenGL {
std::unique_ptr<WindowAdaptPass> MakeNearestNeighbor(const Device& device);
std::unique_ptr<WindowAdaptPass> MakeBilinear(const Device& device);
std::unique_ptr<WindowAdaptPass> MakeBicubic(const Device& device);
std::unique_ptr<WindowAdaptPass> MakeGaussian(const Device& device);
std::unique_ptr<WindowAdaptPass> MakeScaleForce(const Device& device);
} // namespace OpenGL

98
src/video_core/renderer_opengl/present/fsr.cpp Executable file
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@@ -0,0 +1,98 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/settings.h"
#include "video_core/fsr.h"
#include "video_core/host_shaders/ffx_a_h.h"
#include "video_core/host_shaders/ffx_fsr1_h.h"
#include "video_core/host_shaders/full_screen_triangle_vert.h"
#include "video_core/host_shaders/opengl_fidelityfx_fsr_easu_frag.h"
#include "video_core/host_shaders/opengl_fidelityfx_fsr_frag.h"
#include "video_core/host_shaders/opengl_fidelityfx_fsr_rcas_frag.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/present/fsr.h"
#include "video_core/renderer_opengl/present/util.h"
namespace OpenGL {
using namespace FSR;
using FsrConstants = std::array<u32, 4 * 4>;
FSR::FSR(u32 output_width_, u32 output_height_) : width(output_width_), height(output_height_) {
std::string fsr_source{HostShaders::OPENGL_FIDELITYFX_FSR_FRAG};
ReplaceInclude(fsr_source, "ffx_a.h", HostShaders::FFX_A_H);
ReplaceInclude(fsr_source, "ffx_fsr1.h", HostShaders::FFX_FSR1_H);
std::string fsr_easu_source{HostShaders::OPENGL_FIDELITYFX_FSR_EASU_FRAG};
std::string fsr_rcas_source{HostShaders::OPENGL_FIDELITYFX_FSR_RCAS_FRAG};
ReplaceInclude(fsr_easu_source, "opengl_fidelityfx_fsr.frag", fsr_source);
ReplaceInclude(fsr_rcas_source, "opengl_fidelityfx_fsr.frag", fsr_source);
vert = CreateProgram(HostShaders::FULL_SCREEN_TRIANGLE_VERT, GL_VERTEX_SHADER);
easu_frag = CreateProgram(fsr_easu_source, GL_FRAGMENT_SHADER);
rcas_frag = CreateProgram(fsr_rcas_source, GL_FRAGMENT_SHADER);
glProgramUniform2f(vert.handle, 0, 1.0f, -1.0f);
glProgramUniform2f(vert.handle, 1, 0.0f, 1.0f);
sampler = CreateBilinearSampler();
framebuffer.Create();
easu_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(easu_tex.handle, 1, GL_RGBA16F, width, height);
rcas_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(rcas_tex.handle, 1, GL_RGBA16F, width, height);
}
FSR::~FSR() = default;
GLuint FSR::Draw(ProgramManager& program_manager, GLuint texture, u32 input_image_width,
u32 input_image_height, const Common::Rectangle<f32>& crop_rect) {
const f32 input_width = static_cast<f32>(input_image_width);
const f32 input_height = static_cast<f32>(input_image_height);
const f32 output_width = static_cast<f32>(width);
const f32 output_height = static_cast<f32>(height);
const f32 viewport_width = (crop_rect.right - crop_rect.left) * input_width;
const f32 viewport_x = crop_rect.left * input_width;
const f32 viewport_height = (crop_rect.bottom - crop_rect.top) * input_height;
const f32 viewport_y = crop_rect.top * input_height;
FsrConstants easu_con{};
FsrConstants rcas_con{};
FsrEasuConOffset(easu_con.data() + 0, easu_con.data() + 4, easu_con.data() + 8,
easu_con.data() + 12, viewport_width, viewport_height, input_width,
input_height, output_width, output_height, viewport_x, viewport_y);
const float sharpening =
static_cast<float>(Settings::values.fsr_sharpening_slider.GetValue()) / 100.0f;
FsrRcasCon(rcas_con.data(), sharpening);
glProgramUniform4uiv(easu_frag.handle, 0, sizeof(easu_con), easu_con.data());
glProgramUniform4uiv(rcas_frag.handle, 0, sizeof(rcas_con), rcas_con.data());
glFrontFace(GL_CW);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer.handle);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, easu_tex.handle, 0);
glViewportIndexedf(0, 0.0f, 0.0f, output_width, output_height);
program_manager.BindPresentPrograms(vert.handle, easu_frag.handle);
glBindTextureUnit(0, texture);
glBindSampler(0, sampler.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, rcas_tex.handle, 0);
program_manager.BindPresentPrograms(vert.handle, rcas_frag.handle);
glBindTextureUnit(0, easu_tex.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
return rcas_tex.handle;
}
bool FSR::NeedsRecreation(const Common::Rectangle<u32>& screen) {
return screen.GetWidth() != width || screen.GetHeight() != height;
}
} // namespace OpenGL

39
src/video_core/renderer_opengl/present/fsr.h Executable file
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@@ -0,0 +1,39 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <string_view>
#include "common/common_types.h"
#include "common/math_util.h"
#include "video_core/fsr.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
class ProgramManager;
class FSR {
public:
explicit FSR(u32 output_width, u32 output_height);
~FSR();
GLuint Draw(ProgramManager& program_manager, GLuint texture, u32 input_image_width,
u32 input_image_height, const Common::Rectangle<f32>& crop_rect);
bool NeedsRecreation(const Common::Rectangle<u32>& screen);
private:
const u32 width;
const u32 height;
OGLFramebuffer framebuffer;
OGLSampler sampler;
OGLProgram vert;
OGLProgram easu_frag;
OGLProgram rcas_frag;
OGLTexture easu_tex;
OGLTexture rcas_tex;
};
} // namespace OpenGL

41
src/video_core/renderer_opengl/present/fxaa.cpp Executable file
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@@ -0,0 +1,41 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/host_shaders/fxaa_frag.h"
#include "video_core/host_shaders/fxaa_vert.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/present/fxaa.h"
#include "video_core/renderer_opengl/present/util.h"
namespace OpenGL {
FXAA::FXAA(u32 width, u32 height) {
vert_shader = CreateProgram(HostShaders::FXAA_VERT, GL_VERTEX_SHADER);
frag_shader = CreateProgram(HostShaders::FXAA_FRAG, GL_FRAGMENT_SHADER);
sampler = CreateBilinearSampler();
framebuffer.Create();
texture.Create(GL_TEXTURE_2D);
glTextureStorage2D(texture.handle, 1, GL_RGBA16F, width, height);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, texture.handle, 0);
}
FXAA::~FXAA() = default;
GLuint FXAA::Draw(ProgramManager& program_manager, GLuint input_texture) {
glFrontFace(GL_CCW);
program_manager.BindPresentPrograms(vert_shader.handle, frag_shader.handle);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer.handle);
glBindTextureUnit(0, input_texture);
glBindSampler(0, sampler.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glFrontFace(GL_CW);
return texture.handle;
}
} // namespace OpenGL

27
src/video_core/renderer_opengl/present/fxaa.h Executable file
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@@ -0,0 +1,27 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
class ProgramManager;
class FXAA {
public:
explicit FXAA(u32 width, u32 height);
~FXAA();
GLuint Draw(ProgramManager& program_manager, GLuint input_texture);
private:
OGLProgram vert_shader;
OGLProgram frag_shader;
OGLSampler sampler;
OGLFramebuffer framebuffer;
OGLTexture texture;
};
} // namespace OpenGL

215
src/video_core/renderer_opengl/present/layer.cpp Executable file
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@@ -0,0 +1,215 @@
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/framebuffer_config.h"
#include "video_core/renderer_opengl/gl_blit_screen.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/present/fsr.h"
#include "video_core/renderer_opengl/present/fxaa.h"
#include "video_core/renderer_opengl/present/layer.h"
#include "video_core/renderer_opengl/present/present_uniforms.h"
#include "video_core/renderer_opengl/present/smaa.h"
#include "video_core/surface.h"
#include "video_core/textures/decoders.h"
namespace OpenGL {
Layer::Layer(RasterizerOpenGL& rasterizer_, Tegra::MaxwellDeviceMemoryManager& device_memory_)
: rasterizer(rasterizer_), device_memory(device_memory_) {
// Allocate textures for the screen
framebuffer_texture.resource.Create(GL_TEXTURE_2D);
const GLuint texture = framebuffer_texture.resource.handle;
glTextureStorage2D(texture, 1, GL_RGBA8, 1, 1);
// Clear screen to black
const u8 framebuffer_data[4] = {0, 0, 0, 0};
glClearTexImage(framebuffer_texture.resource.handle, 0, GL_RGBA, GL_UNSIGNED_BYTE,
framebuffer_data);
}
Layer::~Layer() = default;
GLuint Layer::ConfigureDraw(std::array<GLfloat, 3 * 2>& out_matrix,
std::array<ScreenRectVertex, 4>& out_vertices,
ProgramManager& program_manager,
const Tegra::FramebufferConfig& framebuffer,
const Layout::FramebufferLayout& layout) {
FramebufferTextureInfo info = PrepareRenderTarget(framebuffer);
auto crop = Tegra::NormalizeCrop(framebuffer, info.width, info.height);
GLuint texture = info.display_texture;
auto anti_aliasing = Settings::values.anti_aliasing.GetValue();
if (anti_aliasing != Settings::AntiAliasing::None) {
glEnablei(GL_SCISSOR_TEST, 0);
auto viewport_width = Settings::values.resolution_info.ScaleUp(framebuffer_texture.width);
auto viewport_height = Settings::values.resolution_info.ScaleUp(framebuffer_texture.height);
glScissorIndexed(0, 0, 0, viewport_width, viewport_height);
glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(viewport_width),
static_cast<GLfloat>(viewport_height));
switch (anti_aliasing) {
case Settings::AntiAliasing::Fxaa:
CreateFXAA();
texture = fxaa->Draw(program_manager, info.display_texture);
break;
case Settings::AntiAliasing::Smaa:
default:
CreateSMAA();
texture = smaa->Draw(program_manager, info.display_texture);
break;
}
}
glDisablei(GL_SCISSOR_TEST, 0);
if (Settings::values.scaling_filter.GetValue() == Settings::ScalingFilter::Fsr) {
if (!fsr || fsr->NeedsRecreation(layout.screen)) {
fsr = std::make_unique<FSR>(layout.screen.GetWidth(), layout.screen.GetHeight());
}
texture = fsr->Draw(program_manager, texture, info.scaled_width, info.scaled_height, crop);
crop = {0, 0, 1, 1};
}
out_matrix =
MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
// Map the coordinates to the screen.
const auto& screen = layout.screen;
const auto x = screen.left;
const auto y = screen.top;
const auto w = screen.GetWidth();
const auto h = screen.GetHeight();
out_vertices[0] = ScreenRectVertex(x, y, crop.left, crop.top);
out_vertices[1] = ScreenRectVertex(x + w, y, crop.right, crop.top);
out_vertices[2] = ScreenRectVertex(x, y + h, crop.left, crop.bottom);
out_vertices[3] = ScreenRectVertex(x + w, y + h, crop.right, crop.bottom);
return texture;
}
FramebufferTextureInfo Layer::PrepareRenderTarget(const Tegra::FramebufferConfig& framebuffer) {
// If framebuffer is provided, reload it from memory to a texture
if (framebuffer_texture.width != static_cast<GLsizei>(framebuffer.width) ||
framebuffer_texture.height != static_cast<GLsizei>(framebuffer.height) ||
framebuffer_texture.pixel_format != framebuffer.pixel_format ||
gl_framebuffer_data.empty()) {
// Reallocate texture if the framebuffer size has changed.
// This is expected to not happen very often and hence should not be a
// performance problem.
ConfigureFramebufferTexture(framebuffer);
}
// Load the framebuffer from memory if needed
return LoadFBToScreenInfo(framebuffer);
}
FramebufferTextureInfo Layer::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer) {
const VAddr framebuffer_addr{framebuffer.address + framebuffer.offset};
const auto accelerated_info =
rasterizer.AccelerateDisplay(framebuffer, framebuffer_addr, framebuffer.stride);
if (accelerated_info) {
return *accelerated_info;
}
// Reset the screen info's display texture to its own permanent texture
FramebufferTextureInfo info{};
info.display_texture = framebuffer_texture.resource.handle;
info.width = framebuffer.width;
info.height = framebuffer.height;
info.scaled_width = framebuffer.width;
info.scaled_height = framebuffer.height;
// TODO(Rodrigo): Read this from HLE
constexpr u32 block_height_log2 = 4;
const auto pixel_format{
VideoCore::Surface::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format)};
const u32 bytes_per_pixel{VideoCore::Surface::BytesPerBlock(pixel_format)};
const u64 size_in_bytes{Tegra::Texture::CalculateSize(
true, bytes_per_pixel, framebuffer.stride, framebuffer.height, 1, block_height_log2, 0)};
const u8* const host_ptr{device_memory.GetPointer<u8>(framebuffer_addr)};
const std::span<const u8> input_data(host_ptr, size_in_bytes);
Tegra::Texture::UnswizzleTexture(gl_framebuffer_data, input_data, bytes_per_pixel,
framebuffer.width, framebuffer.height, 1, block_height_log2,
0);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(framebuffer.stride));
// Update existing texture
// TODO: Test what happens on hardware when you change the framebuffer dimensions so that
// they differ from the LCD resolution.
// TODO: Applications could theoretically crash yuzu here by specifying too large
// framebuffer sizes. We should make sure that this cannot happen.
glTextureSubImage2D(framebuffer_texture.resource.handle, 0, 0, 0, framebuffer.width,
framebuffer.height, framebuffer_texture.gl_format,
framebuffer_texture.gl_type, gl_framebuffer_data.data());
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
return info;
}
void Layer::ConfigureFramebufferTexture(const Tegra::FramebufferConfig& framebuffer) {
framebuffer_texture.width = framebuffer.width;
framebuffer_texture.height = framebuffer.height;
framebuffer_texture.pixel_format = framebuffer.pixel_format;
const auto pixel_format{
VideoCore::Surface::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format)};
const u32 bytes_per_pixel{VideoCore::Surface::BytesPerBlock(pixel_format)};
gl_framebuffer_data.resize(framebuffer_texture.width * framebuffer_texture.height *
bytes_per_pixel);
GLint internal_format;
switch (framebuffer.pixel_format) {
case Service::android::PixelFormat::Rgba8888:
internal_format = GL_RGBA8;
framebuffer_texture.gl_format = GL_RGBA;
framebuffer_texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case Service::android::PixelFormat::Rgb565:
internal_format = GL_RGB565;
framebuffer_texture.gl_format = GL_RGB;
framebuffer_texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
break;
default:
internal_format = GL_RGBA8;
framebuffer_texture.gl_format = GL_RGBA;
framebuffer_texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
// UNIMPLEMENTED_MSG("Unknown framebuffer pixel format: {}",
// static_cast<u32>(framebuffer.pixel_format));
break;
}
framebuffer_texture.resource.Release();
framebuffer_texture.resource.Create(GL_TEXTURE_2D);
glTextureStorage2D(framebuffer_texture.resource.handle, 1, internal_format,
framebuffer_texture.width, framebuffer_texture.height);
fxaa.reset();
smaa.reset();
}
void Layer::CreateFXAA() {
smaa.reset();
if (!fxaa) {
fxaa = std::make_unique<FXAA>(
Settings::values.resolution_info.ScaleUp(framebuffer_texture.width),
Settings::values.resolution_info.ScaleUp(framebuffer_texture.height));
}
}
void Layer::CreateSMAA() {
fxaa.reset();
if (!smaa) {
smaa = std::make_unique<SMAA>(
Settings::values.resolution_info.ScaleUp(framebuffer_texture.width),
Settings::values.resolution_info.ScaleUp(framebuffer_texture.height));
}
}
} // namespace OpenGL

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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include <vector>
#include "video_core/host1x/gpu_device_memory_manager.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace Layout {
struct FramebufferLayout;
}
namespace Service::android {
enum class PixelFormat : u32;
};
namespace Tegra {
struct FramebufferConfig;
}
namespace OpenGL {
struct FramebufferTextureInfo;
class FSR;
class FXAA;
class ProgramManager;
class RasterizerOpenGL;
class SMAA;
/// Structure used for storing information about the textures for the Switch screen
struct TextureInfo {
OGLTexture resource;
GLsizei width;
GLsizei height;
GLenum gl_format;
GLenum gl_type;
Service::android::PixelFormat pixel_format;
};
struct ScreenRectVertex;
class Layer {
public:
explicit Layer(RasterizerOpenGL& rasterizer, Tegra::MaxwellDeviceMemoryManager& device_memory);
~Layer();
GLuint ConfigureDraw(std::array<GLfloat, 3 * 2>& out_matrix,
std::array<ScreenRectVertex, 4>& out_vertices,
ProgramManager& program_manager,
const Tegra::FramebufferConfig& framebuffer,
const Layout::FramebufferLayout& layout);
private:
/// Loads framebuffer from emulated memory into the active OpenGL texture.
FramebufferTextureInfo LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer);
FramebufferTextureInfo PrepareRenderTarget(const Tegra::FramebufferConfig& framebuffer);
void ConfigureFramebufferTexture(const Tegra::FramebufferConfig& framebuffer);
void CreateFXAA();
void CreateSMAA();
private:
RasterizerOpenGL& rasterizer;
Tegra::MaxwellDeviceMemoryManager& device_memory;
/// OpenGL framebuffer data
std::vector<u8> gl_framebuffer_data;
/// Display information for Switch screen
TextureInfo framebuffer_texture;
std::unique_ptr<FSR> fsr;
std::unique_ptr<FXAA> fxaa;
std::unique_ptr<SMAA> smaa;
};
} // namespace OpenGL

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src/video_core/renderer_opengl/present/present_uniforms.h Executable file
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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
constexpr GLint PositionLocation = 0;
constexpr GLint TexCoordLocation = 1;
constexpr GLint ModelViewMatrixLocation = 0;
struct ScreenRectVertex {
constexpr ScreenRectVertex() = default;
constexpr ScreenRectVertex(u32 x, u32 y, GLfloat u, GLfloat v)
: position{{static_cast<GLfloat>(x), static_cast<GLfloat>(y)}}, tex_coord{{u, v}} {}
std::array<GLfloat, 2> position{};
std::array<GLfloat, 2> tex_coord{};
};
/**
* Defines a 1:1 pixel orthographic projection matrix with (0,0) on the top-left
* corner and (width, height) on the lower-bottom.
*
* The projection part of the matrix is trivial, hence these operations are represented
* by a 3x2 matrix.
*/
static inline std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(float width, float height) {
std::array<GLfloat, 3 * 2> matrix; // Laid out in column-major order
// clang-format off
matrix[0] = 2.f / width; matrix[2] = 0.f; matrix[4] = -1.f;
matrix[1] = 0.f; matrix[3] = -2.f / height; matrix[5] = 1.f;
// Last matrix row is implicitly assumed to be [0, 0, 1].
// clang-format on
return matrix;
}
} // namespace OpenGL

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src/video_core/renderer_opengl/present/smaa.cpp Executable file
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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/host_shaders/opengl_smaa_glsl.h"
#include "video_core/host_shaders/smaa_blending_weight_calculation_frag.h"
#include "video_core/host_shaders/smaa_blending_weight_calculation_vert.h"
#include "video_core/host_shaders/smaa_edge_detection_frag.h"
#include "video_core/host_shaders/smaa_edge_detection_vert.h"
#include "video_core/host_shaders/smaa_neighborhood_blending_frag.h"
#include "video_core/host_shaders/smaa_neighborhood_blending_vert.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/present/smaa.h"
#include "video_core/renderer_opengl/present/util.h"
#include "video_core/smaa_area_tex.h"
#include "video_core/smaa_search_tex.h"
namespace OpenGL {
SMAA::SMAA(u32 width, u32 height) {
const auto SmaaShader = [&](std::string_view specialized_source, GLenum stage) {
std::string shader_source{specialized_source};
ReplaceInclude(shader_source, "opengl_smaa.glsl", HostShaders::OPENGL_SMAA_GLSL);
return CreateProgram(shader_source, stage);
};
edge_detection_vert = SmaaShader(HostShaders::SMAA_EDGE_DETECTION_VERT, GL_VERTEX_SHADER);
edge_detection_frag = SmaaShader(HostShaders::SMAA_EDGE_DETECTION_FRAG, GL_FRAGMENT_SHADER);
blending_weight_calculation_vert =
SmaaShader(HostShaders::SMAA_BLENDING_WEIGHT_CALCULATION_VERT, GL_VERTEX_SHADER);
blending_weight_calculation_frag =
SmaaShader(HostShaders::SMAA_BLENDING_WEIGHT_CALCULATION_FRAG, GL_FRAGMENT_SHADER);
neighborhood_blending_vert =
SmaaShader(HostShaders::SMAA_NEIGHBORHOOD_BLENDING_VERT, GL_VERTEX_SHADER);
neighborhood_blending_frag =
SmaaShader(HostShaders::SMAA_NEIGHBORHOOD_BLENDING_FRAG, GL_FRAGMENT_SHADER);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
area_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(area_tex.handle, 1, GL_RG8, AREATEX_WIDTH, AREATEX_HEIGHT);
glTextureSubImage2D(area_tex.handle, 0, 0, 0, AREATEX_WIDTH, AREATEX_HEIGHT, GL_RG,
GL_UNSIGNED_BYTE, areaTexBytes);
search_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(search_tex.handle, 1, GL_R8, SEARCHTEX_WIDTH, SEARCHTEX_HEIGHT);
glTextureSubImage2D(search_tex.handle, 0, 0, 0, SEARCHTEX_WIDTH, SEARCHTEX_HEIGHT, GL_RED,
GL_UNSIGNED_BYTE, searchTexBytes);
edges_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(edges_tex.handle, 1, GL_RG16F, width, height);
blend_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(blend_tex.handle, 1, GL_RGBA16F, width, height);
sampler = CreateBilinearSampler();
framebuffer.Create();
texture.Create(GL_TEXTURE_2D);
glTextureStorage2D(texture.handle, 1, GL_RGBA16F, width, height);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, texture.handle, 0);
}
SMAA::~SMAA() = default;
GLuint SMAA::Draw(ProgramManager& program_manager, GLuint input_texture) {
glClearColor(0, 0, 0, 0);
glFrontFace(GL_CCW);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer.handle);
glBindSampler(0, sampler.handle);
glBindSampler(1, sampler.handle);
glBindSampler(2, sampler.handle);
glBindTextureUnit(0, input_texture);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, edges_tex.handle, 0);
glClear(GL_COLOR_BUFFER_BIT);
program_manager.BindPresentPrograms(edge_detection_vert.handle, edge_detection_frag.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindTextureUnit(0, edges_tex.handle);
glBindTextureUnit(1, area_tex.handle);
glBindTextureUnit(2, search_tex.handle);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, blend_tex.handle, 0);
glClear(GL_COLOR_BUFFER_BIT);
program_manager.BindPresentPrograms(blending_weight_calculation_vert.handle,
blending_weight_calculation_frag.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindTextureUnit(0, input_texture);
glBindTextureUnit(1, blend_tex.handle);
glNamedFramebufferTexture(framebuffer.handle, GL_COLOR_ATTACHMENT0, texture.handle, 0);
program_manager.BindPresentPrograms(neighborhood_blending_vert.handle,
neighborhood_blending_frag.handle);
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays(GL_TRIANGLES, 0, 3);
glFrontFace(GL_CW);
return texture.handle;
}
} // namespace OpenGL

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src/video_core/renderer_opengl/present/smaa.h Executable file
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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
class ProgramManager;
class SMAA {
public:
explicit SMAA(u32 width, u32 height);
~SMAA();
GLuint Draw(ProgramManager& program_manager, GLuint input_texture);
private:
OGLProgram edge_detection_vert;
OGLProgram blending_weight_calculation_vert;
OGLProgram neighborhood_blending_vert;
OGLProgram edge_detection_frag;
OGLProgram blending_weight_calculation_frag;
OGLProgram neighborhood_blending_frag;
OGLTexture area_tex;
OGLTexture search_tex;
OGLTexture edges_tex;
OGLTexture blend_tex;
OGLSampler sampler;
OGLFramebuffer framebuffer;
OGLTexture texture;
};
} // namespace OpenGL

43
src/video_core/renderer_opengl/present/util.h Executable file
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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <string>
#include "common/assert.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
static inline void ReplaceInclude(std::string& shader_source, std::string_view include_name,
std::string_view include_content) {
const std::string include_string = fmt::format("#include \"{}\"", include_name);
const std::size_t pos = shader_source.find(include_string);
ASSERT(pos != std::string::npos);
shader_source.replace(pos, include_string.size(), include_content);
};
static inline OGLSampler CreateBilinearSampler() {
OGLSampler sampler;
sampler.Create();
glSamplerParameteri(sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glSamplerParameteri(sampler.handle, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glSamplerParameteri(sampler.handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(sampler.handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSamplerParameteri(sampler.handle, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
return sampler;
}
static inline OGLSampler CreateNearestNeighborSampler() {
OGLSampler sampler;
sampler.Create();
glSamplerParameteri(sampler.handle, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glSamplerParameteri(sampler.handle, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glSamplerParameteri(sampler.handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(sampler.handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSamplerParameteri(sampler.handle, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
return sampler;
}
} // namespace OpenGL

103
src/video_core/renderer_opengl/present/window_adapt_pass.cpp Executable file
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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/settings.h"
#include "video_core/framebuffer_config.h"
#include "video_core/host_shaders/opengl_present_vert.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/present/layer.h"
#include "video_core/renderer_opengl/present/present_uniforms.h"
#include "video_core/renderer_opengl/present/window_adapt_pass.h"
namespace OpenGL {
WindowAdaptPass::WindowAdaptPass(const Device& device_, OGLSampler&& sampler_,
std::string_view frag_source)
: device(device_), sampler(std::move(sampler_)) {
vert = CreateProgram(HostShaders::OPENGL_PRESENT_VERT, GL_VERTEX_SHADER);
frag = CreateProgram(frag_source, GL_FRAGMENT_SHADER);
// Generate VBO handle for drawing
vertex_buffer.Create();
// Attach vertex data to VAO
glNamedBufferData(vertex_buffer.handle, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
// Query vertex buffer address when the driver supports unified vertex attributes
if (device.HasVertexBufferUnifiedMemory()) {
glMakeNamedBufferResidentNV(vertex_buffer.handle, GL_READ_ONLY);
glGetNamedBufferParameterui64vNV(vertex_buffer.handle, GL_BUFFER_GPU_ADDRESS_NV,
&vertex_buffer_address);
}
}
WindowAdaptPass::~WindowAdaptPass() = default;
void WindowAdaptPass::DrawToFramebuffer(ProgramManager& program_manager, std::list<Layer>& layers,
std::span<const Tegra::FramebufferConfig> framebuffers,
const Layout::FramebufferLayout& layout) {
GLint old_read_fb;
GLint old_draw_fb;
glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &old_read_fb);
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &old_draw_fb);
const size_t layer_count = framebuffers.size();
std::vector<GLuint> textures(layer_count);
std::vector<std::array<GLfloat, 3 * 2>> matrices(layer_count);
std::vector<std::array<ScreenRectVertex, 4>> vertices(layer_count);
auto layer_it = layers.begin();
for (size_t i = 0; i < layer_count; i++) {
textures[i] = layer_it->ConfigureDraw(matrices[i], vertices[i], program_manager,
framebuffers[i], layout);
layer_it++;
}
glBindFramebuffer(GL_READ_FRAMEBUFFER, old_read_fb);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, old_draw_fb);
program_manager.BindPresentPrograms(vert.handle, frag.handle);
glDisable(GL_FRAMEBUFFER_SRGB);
glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(layout.width),
static_cast<GLfloat>(layout.height));
glEnableVertexAttribArray(PositionLocation);
glEnableVertexAttribArray(TexCoordLocation);
glVertexAttribDivisor(PositionLocation, 0);
glVertexAttribDivisor(TexCoordLocation, 0);
glVertexAttribFormat(PositionLocation, 2, GL_FLOAT, GL_FALSE,
offsetof(ScreenRectVertex, position));
glVertexAttribFormat(TexCoordLocation, 2, GL_FLOAT, GL_FALSE,
offsetof(ScreenRectVertex, tex_coord));
glVertexAttribBinding(PositionLocation, 0);
glVertexAttribBinding(TexCoordLocation, 0);
if (device.HasVertexBufferUnifiedMemory()) {
glBindVertexBuffer(0, 0, 0, sizeof(ScreenRectVertex));
glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 0, vertex_buffer_address,
sizeof(decltype(vertices)::value_type));
} else {
glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
}
glBindSampler(0, sampler.handle);
// Update background color before drawing
glClearColor(Settings::values.bg_red.GetValue() / 255.0f,
Settings::values.bg_green.GetValue() / 255.0f,
Settings::values.bg_blue.GetValue() / 255.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
for (size_t i = 0; i < layer_count; i++) {
glBindTextureUnit(0, textures[i]);
glProgramUniformMatrix3x2fv(vert.handle, ModelViewMatrixLocation, 1, GL_FALSE,
matrices[i].data());
glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices[i]), std::data(vertices[i]));
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
}
} // namespace OpenGL

47
src/video_core/renderer_opengl/present/window_adapt_pass.h Executable file
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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <list>
#include <span>
#include "common/math_util.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace Layout {
struct FramebufferLayout;
}
namespace Tegra {
struct FramebufferConfig;
}
namespace OpenGL {
class Device;
class Layer;
class ProgramManager;
class WindowAdaptPass final {
public:
explicit WindowAdaptPass(const Device& device, OGLSampler&& sampler,
std::string_view frag_source);
~WindowAdaptPass();
void DrawToFramebuffer(ProgramManager& program_manager, std::list<Layer>& layers,
std::span<const Tegra::FramebufferConfig> framebuffers,
const Layout::FramebufferLayout& layout);
private:
const Device& device;
OGLSampler sampler;
OGLProgram vert;
OGLProgram frag;
OGLBuffer vertex_buffer;
// GPU address of the vertex buffer
GLuint64EXT vertex_buffer_address = 0;
};
} // namespace OpenGL

568
src/video_core/renderer_opengl/renderer_opengl.cpp
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@@ -16,68 +16,15 @@
#include "core/core_timing.h"
#include "core/frontend/emu_window.h"
#include "core/telemetry_session.h"
#include "video_core/host_shaders/ffx_a_h.h"
#include "video_core/host_shaders/ffx_fsr1_h.h"
#include "video_core/host_shaders/full_screen_triangle_vert.h"
#include "video_core/host_shaders/fxaa_frag.h"
#include "video_core/host_shaders/fxaa_vert.h"
#include "video_core/host_shaders/opengl_fidelityfx_fsr_easu_frag.h"
#include "video_core/host_shaders/opengl_fidelityfx_fsr_frag.h"
#include "video_core/host_shaders/opengl_fidelityfx_fsr_rcas_frag.h"
#include "video_core/host_shaders/opengl_present_frag.h"
#include "video_core/host_shaders/opengl_present_scaleforce_frag.h"
#include "video_core/host_shaders/opengl_present_vert.h"
#include "video_core/host_shaders/opengl_smaa_glsl.h"
#include "video_core/host_shaders/present_bicubic_frag.h"
#include "video_core/host_shaders/present_gaussian_frag.h"
#include "video_core/host_shaders/smaa_blending_weight_calculation_frag.h"
#include "video_core/host_shaders/smaa_blending_weight_calculation_vert.h"
#include "video_core/host_shaders/smaa_edge_detection_frag.h"
#include "video_core/host_shaders/smaa_edge_detection_vert.h"
#include "video_core/host_shaders/smaa_neighborhood_blending_frag.h"
#include "video_core/host_shaders/smaa_neighborhood_blending_vert.h"
#include "video_core/renderer_opengl/gl_fsr.h"
#include "video_core/renderer_opengl/gl_blit_screen.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
#include "video_core/smaa_area_tex.h"
#include "video_core/smaa_search_tex.h"
#include "video_core/textures/decoders.h"
namespace OpenGL {
namespace {
constexpr GLint PositionLocation = 0;
constexpr GLint TexCoordLocation = 1;
constexpr GLint ModelViewMatrixLocation = 0;
struct ScreenRectVertex {
constexpr ScreenRectVertex(u32 x, u32 y, GLfloat u, GLfloat v)
: position{{static_cast<GLfloat>(x), static_cast<GLfloat>(y)}}, tex_coord{{u, v}} {}
std::array<GLfloat, 2> position;
std::array<GLfloat, 2> tex_coord;
};
/**
* Defines a 1:1 pixel ortographic projection matrix with (0,0) on the top-left
* corner and (width, height) on the lower-bottom.
*
* The projection part of the matrix is trivial, hence these operations are represented
* by a 3x2 matrix.
*/
std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(float width, float height) {
std::array<GLfloat, 3 * 2> matrix; // Laid out in column-major order
// clang-format off
matrix[0] = 2.f / width; matrix[2] = 0.f; matrix[4] = -1.f;
matrix[1] = 0.f; matrix[3] = -2.f / height; matrix[5] = 1.f;
// Last matrix row is implicitly assumed to be [0, 0, 1].
// clang-format on
return matrix;
}
const char* GetSource(GLenum source) {
switch (source) {
case GL_DEBUG_SOURCE_API:
@@ -148,15 +95,13 @@ RendererOpenGL::RendererOpenGL(Core::TelemetrySession& telemetry_session_,
: RendererBase{emu_window_, std::move(context_)}, telemetry_session{telemetry_session_},
emu_window{emu_window_}, device_memory{device_memory_}, gpu{gpu_}, device{emu_window_},
state_tracker{}, program_manager{device},
rasterizer(emu_window, gpu, device_memory, device, screen_info, program_manager,
state_tracker) {
rasterizer(emu_window, gpu, device_memory, device, program_manager, state_tracker) {
if (Settings::values.renderer_debug && GLAD_GL_KHR_debug) {
glEnable(GL_DEBUG_OUTPUT);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageCallback(DebugHandler, nullptr);
}
AddTelemetryFields();
InitOpenGLObjects();
// Initialize default attributes to match hardware's disabled attributes
GLint max_attribs{};
@@ -168,27 +113,27 @@ RendererOpenGL::RendererOpenGL(Core::TelemetrySession& telemetry_session_,
if (!GLAD_GL_ARB_seamless_cubemap_per_texture && !GLAD_GL_AMD_seamless_cubemap_per_texture) {
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
}
// Enable unified vertex attributes and query vertex buffer address when the driver supports it
// Enable unified vertex attributes when the driver supports it
if (device.HasVertexBufferUnifiedMemory()) {
glEnableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
glEnableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV);
glMakeNamedBufferResidentNV(vertex_buffer.handle, GL_READ_ONLY);
glGetNamedBufferParameterui64vNV(vertex_buffer.handle, GL_BUFFER_GPU_ADDRESS_NV,
&vertex_buffer_address);
}
blit_screen = std::make_unique<BlitScreen>(rasterizer, device_memory, state_tracker,
program_manager, device);
}
RendererOpenGL::~RendererOpenGL() = default;
void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
if (!framebuffer) {
void RendererOpenGL::Composite(std::span<const Tegra::FramebufferConfig> framebuffers) {
if (framebuffers.empty()) {
return;
}
PrepareRendertarget(framebuffer);
RenderScreenshot();
RenderScreenshot(framebuffers);
state_tracker.BindFramebuffer(0);
DrawScreen(emu_window.GetFramebufferLayout());
blit_screen->DrawScreen(framebuffers, emu_window.GetFramebufferLayout());
++m_current_frame;
@@ -199,172 +144,6 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
render_window.OnFrameDisplayed();
}
void RendererOpenGL::PrepareRendertarget(const Tegra::FramebufferConfig* framebuffer) {
if (!framebuffer) {
return;
}
// If framebuffer is provided, reload it from memory to a texture
if (screen_info.texture.width != static_cast<GLsizei>(framebuffer->width) ||
screen_info.texture.height != static_cast<GLsizei>(framebuffer->height) ||
screen_info.texture.pixel_format != framebuffer->pixel_format ||
gl_framebuffer_data.empty()) {
// Reallocate texture if the framebuffer size has changed.
// This is expected to not happen very often and hence should not be a
// performance problem.
ConfigureFramebufferTexture(screen_info.texture, *framebuffer);
}
// Load the framebuffer from memory, draw it to the screen, and swap buffers
LoadFBToScreenInfo(*framebuffer);
}
void RendererOpenGL::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer) {
// Framebuffer orientation handling
framebuffer_transform_flags = framebuffer.transform_flags;
framebuffer_crop_rect = framebuffer.crop_rect;
framebuffer_width = framebuffer.width;
framebuffer_height = framebuffer.height;
const VAddr framebuffer_addr{framebuffer.address + framebuffer.offset};
screen_info.was_accelerated =
rasterizer.AccelerateDisplay(framebuffer, framebuffer_addr, framebuffer.stride);
if (screen_info.was_accelerated) {
return;
}
// Reset the screen info's display texture to its own permanent texture
screen_info.display_texture = screen_info.texture.resource.handle;
// TODO(Rodrigo): Read this from HLE
constexpr u32 block_height_log2 = 4;
const auto pixel_format{
VideoCore::Surface::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format)};
const u32 bytes_per_pixel{VideoCore::Surface::BytesPerBlock(pixel_format)};
const u64 size_in_bytes{Tegra::Texture::CalculateSize(
true, bytes_per_pixel, framebuffer.stride, framebuffer.height, 1, block_height_log2, 0)};
const u8* const host_ptr{device_memory.GetPointer<u8>(framebuffer_addr)};
const std::span<const u8> input_data(host_ptr, size_in_bytes);
Tegra::Texture::UnswizzleTexture(gl_framebuffer_data, input_data, bytes_per_pixel,
framebuffer.width, framebuffer.height, 1, block_height_log2,
0);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(framebuffer.stride));
// Update existing texture
// TODO: Test what happens on hardware when you change the framebuffer dimensions so that
// they differ from the LCD resolution.
// TODO: Applications could theoretically crash yuzu here by specifying too large
// framebuffer sizes. We should make sure that this cannot happen.
glTextureSubImage2D(screen_info.texture.resource.handle, 0, 0, 0, framebuffer.width,
framebuffer.height, screen_info.texture.gl_format,
screen_info.texture.gl_type, gl_framebuffer_data.data());
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b, u8 color_a,
const TextureInfo& texture) {
const u8 framebuffer_data[4] = {color_a, color_b, color_g, color_r};
glClearTexImage(texture.resource.handle, 0, GL_RGBA, GL_UNSIGNED_BYTE, framebuffer_data);
}
void RendererOpenGL::InitOpenGLObjects() {
// Create shader programs
fxaa_vertex = CreateProgram(HostShaders::FXAA_VERT, GL_VERTEX_SHADER);
fxaa_fragment = CreateProgram(HostShaders::FXAA_FRAG, GL_FRAGMENT_SHADER);
const auto replace_include = [](std::string& shader_source, std::string_view include_name,
std::string_view include_content) {
const std::string include_string = fmt::format("#include \"{}\"", include_name);
const std::size_t pos = shader_source.find(include_string);
ASSERT(pos != std::string::npos);
shader_source.replace(pos, include_string.size(), include_content);
};
const auto SmaaShader = [&](std::string_view specialized_source, GLenum stage) {
std::string shader_source{specialized_source};
replace_include(shader_source, "opengl_smaa.glsl", HostShaders::OPENGL_SMAA_GLSL);
return CreateProgram(shader_source, stage);
};
smaa_edge_detection_vert = SmaaShader(HostShaders::SMAA_EDGE_DETECTION_VERT, GL_VERTEX_SHADER);
smaa_edge_detection_frag =
SmaaShader(HostShaders::SMAA_EDGE_DETECTION_FRAG, GL_FRAGMENT_SHADER);
smaa_blending_weight_calculation_vert =
SmaaShader(HostShaders::SMAA_BLENDING_WEIGHT_CALCULATION_VERT, GL_VERTEX_SHADER);
smaa_blending_weight_calculation_frag =
SmaaShader(HostShaders::SMAA_BLENDING_WEIGHT_CALCULATION_FRAG, GL_FRAGMENT_SHADER);
smaa_neighborhood_blending_vert =
SmaaShader(HostShaders::SMAA_NEIGHBORHOOD_BLENDING_VERT, GL_VERTEX_SHADER);
smaa_neighborhood_blending_frag =
SmaaShader(HostShaders::SMAA_NEIGHBORHOOD_BLENDING_FRAG, GL_FRAGMENT_SHADER);
present_vertex = CreateProgram(HostShaders::OPENGL_PRESENT_VERT, GL_VERTEX_SHADER);
present_bilinear_fragment = CreateProgram(HostShaders::OPENGL_PRESENT_FRAG, GL_FRAGMENT_SHADER);
present_bicubic_fragment = CreateProgram(HostShaders::PRESENT_BICUBIC_FRAG, GL_FRAGMENT_SHADER);
present_gaussian_fragment =
CreateProgram(HostShaders::PRESENT_GAUSSIAN_FRAG, GL_FRAGMENT_SHADER);
present_scaleforce_fragment =
CreateProgram(fmt::format("#version 460\n{}", HostShaders::OPENGL_PRESENT_SCALEFORCE_FRAG),
GL_FRAGMENT_SHADER);
std::string fsr_source{HostShaders::OPENGL_FIDELITYFX_FSR_FRAG};
replace_include(fsr_source, "ffx_a.h", HostShaders::FFX_A_H);
replace_include(fsr_source, "ffx_fsr1.h", HostShaders::FFX_FSR1_H);
std::string fsr_easu_frag_source{HostShaders::OPENGL_FIDELITYFX_FSR_EASU_FRAG};
std::string fsr_rcas_frag_source{HostShaders::OPENGL_FIDELITYFX_FSR_RCAS_FRAG};
replace_include(fsr_easu_frag_source, "opengl_fidelityfx_fsr.frag", fsr_source);
replace_include(fsr_rcas_frag_source, "opengl_fidelityfx_fsr.frag", fsr_source);
fsr = std::make_unique<FSR>(HostShaders::FULL_SCREEN_TRIANGLE_VERT, fsr_easu_frag_source,
fsr_rcas_frag_source);
// Generate presentation sampler
present_sampler.Create();
glSamplerParameteri(present_sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glSamplerParameteri(present_sampler.handle, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glSamplerParameteri(present_sampler.handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(present_sampler.handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSamplerParameteri(present_sampler.handle, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
present_sampler_nn.Create();
glSamplerParameteri(present_sampler_nn.handle, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glSamplerParameteri(present_sampler_nn.handle, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glSamplerParameteri(present_sampler_nn.handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(present_sampler_nn.handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSamplerParameteri(present_sampler_nn.handle, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
// Generate VBO handle for drawing
vertex_buffer.Create();
// Attach vertex data to VAO
glNamedBufferData(vertex_buffer.handle, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
// Allocate textures for the screen
screen_info.texture.resource.Create(GL_TEXTURE_2D);
const GLuint texture = screen_info.texture.resource.handle;
glTextureStorage2D(texture, 1, GL_RGBA8, 1, 1);
screen_info.display_texture = screen_info.texture.resource.handle;
// Clear screen to black
LoadColorToActiveGLTexture(0, 0, 0, 0, screen_info.texture);
aa_framebuffer.Create();
smaa_area_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(smaa_area_tex.handle, 1, GL_RG8, AREATEX_WIDTH, AREATEX_HEIGHT);
glTextureSubImage2D(smaa_area_tex.handle, 0, 0, 0, AREATEX_WIDTH, AREATEX_HEIGHT, GL_RG,
GL_UNSIGNED_BYTE, areaTexBytes);
smaa_search_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(smaa_search_tex.handle, 1, GL_R8, SEARCHTEX_WIDTH, SEARCHTEX_HEIGHT);
glTextureSubImage2D(smaa_search_tex.handle, 0, 0, 0, SEARCHTEX_WIDTH, SEARCHTEX_HEIGHT, GL_RED,
GL_UNSIGNED_BYTE, searchTexBytes);
}
void RendererOpenGL::AddTelemetryFields() {
const char* const gl_version{reinterpret_cast<char const*>(glGetString(GL_VERSION))};
const char* const gpu_vendor{reinterpret_cast<char const*>(glGetString(GL_VENDOR))};
@@ -380,328 +159,7 @@ void RendererOpenGL::AddTelemetryFields() {
telemetry_session.AddField(user_system, "GPU_OpenGL_Version", std::string(gl_version));
}
void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
const Tegra::FramebufferConfig& framebuffer) {
texture.width = framebuffer.width;
texture.height = framebuffer.height;
texture.pixel_format = framebuffer.pixel_format;
const auto pixel_format{
VideoCore::Surface::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format)};
const u32 bytes_per_pixel{VideoCore::Surface::BytesPerBlock(pixel_format)};
gl_framebuffer_data.resize(texture.width * texture.height * bytes_per_pixel);
GLint internal_format;
switch (framebuffer.pixel_format) {
case Service::android::PixelFormat::Rgba8888:
internal_format = GL_RGBA8;
texture.gl_format = GL_RGBA;
texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case Service::android::PixelFormat::Rgb565:
internal_format = GL_RGB565;
texture.gl_format = GL_RGB;
texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
break;
default:
internal_format = GL_RGBA8;
texture.gl_format = GL_RGBA;
texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
// UNIMPLEMENTED_MSG("Unknown framebuffer pixel format: {}",
// static_cast<u32>(framebuffer.pixel_format));
break;
}
texture.resource.Release();
texture.resource.Create(GL_TEXTURE_2D);
glTextureStorage2D(texture.resource.handle, 1, internal_format, texture.width, texture.height);
aa_texture.Release();
aa_texture.Create(GL_TEXTURE_2D);
glTextureStorage2D(aa_texture.handle, 1, GL_RGBA16F,
Settings::values.resolution_info.ScaleUp(screen_info.texture.width),
Settings::values.resolution_info.ScaleUp(screen_info.texture.height));
glNamedFramebufferTexture(aa_framebuffer.handle, GL_COLOR_ATTACHMENT0, aa_texture.handle, 0);
smaa_edges_tex.Release();
smaa_edges_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(smaa_edges_tex.handle, 1, GL_RG16F,
Settings::values.resolution_info.ScaleUp(screen_info.texture.width),
Settings::values.resolution_info.ScaleUp(screen_info.texture.height));
smaa_blend_tex.Release();
smaa_blend_tex.Create(GL_TEXTURE_2D);
glTextureStorage2D(smaa_blend_tex.handle, 1, GL_RGBA16F,
Settings::values.resolution_info.ScaleUp(screen_info.texture.width),
Settings::values.resolution_info.ScaleUp(screen_info.texture.height));
}
void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
// TODO: Signal state tracker about these changes
state_tracker.NotifyScreenDrawVertexArray();
state_tracker.NotifyPolygonModes();
state_tracker.NotifyViewport0();
state_tracker.NotifyScissor0();
state_tracker.NotifyColorMask(0);
state_tracker.NotifyBlend0();
state_tracker.NotifyFramebuffer();
state_tracker.NotifyFrontFace();
state_tracker.NotifyCullTest();
state_tracker.NotifyDepthTest();
state_tracker.NotifyStencilTest();
state_tracker.NotifyPolygonOffset();
state_tracker.NotifyRasterizeEnable();
state_tracker.NotifyFramebufferSRGB();
state_tracker.NotifyLogicOp();
state_tracker.NotifyClipControl();
state_tracker.NotifyAlphaTest();
state_tracker.ClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
glEnable(GL_CULL_FACE);
glDisable(GL_COLOR_LOGIC_OP);
glDisable(GL_DEPTH_TEST);
glDisable(GL_STENCIL_TEST);
glDisable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_RASTERIZER_DISCARD);
glDisable(GL_ALPHA_TEST);
glDisablei(GL_BLEND, 0);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glDepthRangeIndexed(0, 0.0, 0.0);
glBindTextureUnit(0, screen_info.display_texture);
auto anti_aliasing = Settings::values.anti_aliasing.GetValue();
if (anti_aliasing >= Settings::AntiAliasing::MaxEnum) {
LOG_ERROR(Render_OpenGL, "Invalid antialiasing option selected {}", anti_aliasing);
anti_aliasing = Settings::AntiAliasing::None;
Settings::values.anti_aliasing.SetValue(anti_aliasing);
}
if (anti_aliasing != Settings::AntiAliasing::None) {
glEnablei(GL_SCISSOR_TEST, 0);
auto viewport_width = screen_info.texture.width;
auto scissor_width = framebuffer_crop_rect.GetWidth();
if (scissor_width <= 0) {
scissor_width = viewport_width;
}
auto viewport_height = screen_info.texture.height;
auto scissor_height = framebuffer_crop_rect.GetHeight();
if (scissor_height <= 0) {
scissor_height = viewport_height;
}
if (screen_info.was_accelerated) {
viewport_width = Settings::values.resolution_info.ScaleUp(viewport_width);
scissor_width = Settings::values.resolution_info.ScaleUp(scissor_width);
viewport_height = Settings::values.resolution_info.ScaleUp(viewport_height);
scissor_height = Settings::values.resolution_info.ScaleUp(scissor_height);
}
glScissorIndexed(0, 0, 0, scissor_width, scissor_height);
glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(viewport_width),
static_cast<GLfloat>(viewport_height));
glBindSampler(0, present_sampler.handle);
GLint old_read_fb;
GLint old_draw_fb;
glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &old_read_fb);
glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &old_draw_fb);
switch (anti_aliasing) {
case Settings::AntiAliasing::Fxaa: {
program_manager.BindPresentPrograms(fxaa_vertex.handle, fxaa_fragment.handle);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, aa_framebuffer.handle);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
} break;
case Settings::AntiAliasing::Smaa: {
glClearColor(0, 0, 0, 0);
glFrontFace(GL_CCW);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, aa_framebuffer.handle);
glBindSampler(1, present_sampler.handle);
glBindSampler(2, present_sampler.handle);
glNamedFramebufferTexture(aa_framebuffer.handle, GL_COLOR_ATTACHMENT0,
smaa_edges_tex.handle, 0);
glClear(GL_COLOR_BUFFER_BIT);
program_manager.BindPresentPrograms(smaa_edge_detection_vert.handle,
smaa_edge_detection_frag.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindTextureUnit(0, smaa_edges_tex.handle);
glBindTextureUnit(1, smaa_area_tex.handle);
glBindTextureUnit(2, smaa_search_tex.handle);
glNamedFramebufferTexture(aa_framebuffer.handle, GL_COLOR_ATTACHMENT0,
smaa_blend_tex.handle, 0);
glClear(GL_COLOR_BUFFER_BIT);
program_manager.BindPresentPrograms(smaa_blending_weight_calculation_vert.handle,
smaa_blending_weight_calculation_frag.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindTextureUnit(0, screen_info.display_texture);
glBindTextureUnit(1, smaa_blend_tex.handle);
glNamedFramebufferTexture(aa_framebuffer.handle, GL_COLOR_ATTACHMENT0,
aa_texture.handle, 0);
program_manager.BindPresentPrograms(smaa_neighborhood_blending_vert.handle,
smaa_neighborhood_blending_frag.handle);
glDrawArrays(GL_TRIANGLES, 0, 3);
glFrontFace(GL_CW);
} break;
default:
UNREACHABLE();
}
glBindFramebuffer(GL_READ_FRAMEBUFFER, old_read_fb);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, old_draw_fb);
glBindTextureUnit(0, aa_texture.handle);
}
glDisablei(GL_SCISSOR_TEST, 0);
if (Settings::values.scaling_filter.GetValue() == Settings::ScalingFilter::Fsr) {
if (!fsr->AreBuffersInitialized()) {
fsr->InitBuffers();
}
auto crop_rect = framebuffer_crop_rect;
if (crop_rect.GetWidth() == 0) {
crop_rect.right = framebuffer_width;
}
if (crop_rect.GetHeight() == 0) {
crop_rect.bottom = framebuffer_height;
}
crop_rect = crop_rect.Scale(Settings::values.resolution_info.up_factor);
const auto fsr_input_width = Settings::values.resolution_info.ScaleUp(framebuffer_width);
const auto fsr_input_height = Settings::values.resolution_info.ScaleUp(framebuffer_height);
glBindSampler(0, present_sampler.handle);
fsr->Draw(program_manager, layout.screen, fsr_input_width, fsr_input_height, crop_rect);
} else {
if (fsr->AreBuffersInitialized()) {
fsr->ReleaseBuffers();
}
}
const std::array ortho_matrix =
MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
const auto fragment_handle = [this]() {
switch (Settings::values.scaling_filter.GetValue()) {
case Settings::ScalingFilter::NearestNeighbor:
case Settings::ScalingFilter::Bilinear:
return present_bilinear_fragment.handle;
case Settings::ScalingFilter::Bicubic:
return present_bicubic_fragment.handle;
case Settings::ScalingFilter::Gaussian:
return present_gaussian_fragment.handle;
case Settings::ScalingFilter::ScaleForce:
return present_scaleforce_fragment.handle;
case Settings::ScalingFilter::Fsr:
return fsr->GetPresentFragmentProgram().handle;
default:
return present_bilinear_fragment.handle;
}
}();
program_manager.BindPresentPrograms(present_vertex.handle, fragment_handle);
glProgramUniformMatrix3x2fv(present_vertex.handle, ModelViewMatrixLocation, 1, GL_FALSE,
ortho_matrix.data());
const auto& texcoords = screen_info.display_texcoords;
auto left = texcoords.left;
auto right = texcoords.right;
if (framebuffer_transform_flags != Service::android::BufferTransformFlags::Unset) {
if (framebuffer_transform_flags == Service::android::BufferTransformFlags::FlipV) {
// Flip the framebuffer vertically
left = texcoords.right;
right = texcoords.left;
} else {
// Other transformations are unsupported
LOG_CRITICAL(Render_OpenGL, "Unsupported framebuffer_transform_flags={}",
framebuffer_transform_flags);
UNIMPLEMENTED();
}
}
ASSERT_MSG(framebuffer_crop_rect.left == 0, "Unimplemented");
f32 left_start{};
if (framebuffer_crop_rect.Top() > 0) {
left_start = static_cast<f32>(framebuffer_crop_rect.Top()) /
static_cast<f32>(framebuffer_crop_rect.Bottom());
}
f32 scale_u = static_cast<f32>(framebuffer_width) / static_cast<f32>(screen_info.texture.width);
f32 scale_v =
static_cast<f32>(framebuffer_height) / static_cast<f32>(screen_info.texture.height);
if (Settings::values.scaling_filter.GetValue() != Settings::ScalingFilter::Fsr) {
// Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
// (e.g. handheld mode) on a 1920x1080 framebuffer.
if (framebuffer_crop_rect.GetWidth() > 0) {
scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) /
static_cast<f32>(screen_info.texture.width);
}
if (framebuffer_crop_rect.GetHeight() > 0) {
scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) /
static_cast<f32>(screen_info.texture.height);
}
}
if (Settings::values.anti_aliasing.GetValue() == Settings::AntiAliasing::Fxaa &&
!screen_info.was_accelerated) {
scale_u /= Settings::values.resolution_info.up_factor;
scale_v /= Settings::values.resolution_info.up_factor;
}
const auto& screen = layout.screen;
const std::array vertices = {
ScreenRectVertex(screen.left, screen.top, texcoords.top * scale_u,
left_start + left * scale_v),
ScreenRectVertex(screen.right, screen.top, texcoords.bottom * scale_u,
left_start + left * scale_v),
ScreenRectVertex(screen.left, screen.bottom, texcoords.top * scale_u,
left_start + right * scale_v),
ScreenRectVertex(screen.right, screen.bottom, texcoords.bottom * scale_u,
left_start + right * scale_v),
};
glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
glDisable(GL_FRAMEBUFFER_SRGB);
glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(layout.width),
static_cast<GLfloat>(layout.height));
glEnableVertexAttribArray(PositionLocation);
glEnableVertexAttribArray(TexCoordLocation);
glVertexAttribDivisor(PositionLocation, 0);
glVertexAttribDivisor(TexCoordLocation, 0);
glVertexAttribFormat(PositionLocation, 2, GL_FLOAT, GL_FALSE,
offsetof(ScreenRectVertex, position));
glVertexAttribFormat(TexCoordLocation, 2, GL_FLOAT, GL_FALSE,
offsetof(ScreenRectVertex, tex_coord));
glVertexAttribBinding(PositionLocation, 0);
glVertexAttribBinding(TexCoordLocation, 0);
if (device.HasVertexBufferUnifiedMemory()) {
glBindVertexBuffer(0, 0, 0, sizeof(ScreenRectVertex));
glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 0, vertex_buffer_address,
sizeof(vertices));
} else {
glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
}
if (Settings::values.scaling_filter.GetValue() != Settings::ScalingFilter::NearestNeighbor) {
glBindSampler(0, present_sampler.handle);
} else {
glBindSampler(0, present_sampler_nn.handle);
}
// Update background color before drawing
glClearColor(Settings::values.bg_red.GetValue() / 255.0f,
Settings::values.bg_green.GetValue() / 255.0f,
Settings::values.bg_blue.GetValue() / 255.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
// TODO
// program_manager.RestoreGuestPipeline();
}
void RendererOpenGL::RenderScreenshot() {
void RendererOpenGL::RenderScreenshot(std::span<const Tegra::FramebufferConfig> framebuffers) {
if (!renderer_settings.screenshot_requested) {
return;
}
@@ -723,7 +181,7 @@ void RendererOpenGL::RenderScreenshot() {
glRenderbufferStorage(GL_RENDERBUFFER, GL_SRGB8, layout.width, layout.height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, renderbuffer);
DrawScreen(layout);
blit_screen->DrawScreen(framebuffers, layout);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
glPixelStorei(GL_PACK_ROW_LENGTH, 0);

93
src/video_core/renderer_opengl/renderer_opengl.h
View File

@@ -10,7 +10,6 @@
#include "video_core/renderer_base.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_fsr.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
@@ -25,37 +24,13 @@ namespace Core::Frontend {
class EmuWindow;
}
namespace Core::Memory {
class Memory;
}
namespace Layout {
struct FramebufferLayout;
}
namespace Tegra {
class GPU;
}
namespace OpenGL {
/// Structure used for storing information about the textures for the Switch screen
struct TextureInfo {
OGLTexture resource;
GLsizei width;
GLsizei height;
GLenum gl_format;
GLenum gl_type;
Service::android::PixelFormat pixel_format;
};
/// Structure used for storing information about the display target for the Switch screen
struct ScreenInfo {
GLuint display_texture{};
bool was_accelerated = false;
const Common::Rectangle<float> display_texcoords{0.0f, 0.0f, 1.0f, 1.0f};
TextureInfo texture;
};
class BlitScreen;
class RendererOpenGL final : public VideoCore::RendererBase {
public:
@@ -65,7 +40,7 @@ public:
std::unique_ptr<Core::Frontend::GraphicsContext> context_);
~RendererOpenGL() override;
void SwapBuffers(const Tegra::FramebufferConfig* framebuffer) override;
void Composite(std::span<const Tegra::FramebufferConfig> framebuffers) override;
VideoCore::RasterizerInterface* ReadRasterizer() override {
return &rasterizer;
@@ -76,28 +51,8 @@ public:
}
private:
/// Initializes the OpenGL state and creates persistent objects.
void InitOpenGLObjects();
void AddTelemetryFields();
void ConfigureFramebufferTexture(TextureInfo& texture,
const Tegra::FramebufferConfig& framebuffer);
/// Draws the emulated screens to the emulator window.
void DrawScreen(const Layout::FramebufferLayout& layout);
void RenderScreenshot();
/// Loads framebuffer from emulated memory into the active OpenGL texture.
void LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer);
/// Fills active OpenGL texture with the given RGB color.Since the color is solid, the texture
/// can be 1x1 but will stretch across whatever it's rendered on.
void LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b, u8 color_a,
const TextureInfo& texture);
void PrepareRendertarget(const Tegra::FramebufferConfig* framebuffer);
void RenderScreenshot(std::span<const Tegra::FramebufferConfig> framebuffers);
Core::TelemetrySession& telemetry_session;
Core::Frontend::EmuWindow& emu_window;
@@ -108,49 +63,9 @@ private:
StateTracker state_tracker;
ProgramManager program_manager;
RasterizerOpenGL rasterizer;
// OpenGL object IDs
OGLSampler present_sampler;
OGLSampler present_sampler_nn;
OGLBuffer vertex_buffer;
OGLProgram fxaa_vertex;
OGLProgram fxaa_fragment;
OGLProgram present_vertex;
OGLProgram present_bilinear_fragment;
OGLProgram present_bicubic_fragment;
OGLProgram present_gaussian_fragment;
OGLProgram present_scaleforce_fragment;
OGLFramebuffer screenshot_framebuffer;
// GPU address of the vertex buffer
GLuint64EXT vertex_buffer_address = 0;
/// Display information for Switch screen
ScreenInfo screen_info;
OGLTexture aa_texture;
OGLFramebuffer aa_framebuffer;
OGLProgram smaa_edge_detection_vert;
OGLProgram smaa_blending_weight_calculation_vert;
OGLProgram smaa_neighborhood_blending_vert;
OGLProgram smaa_edge_detection_frag;
OGLProgram smaa_blending_weight_calculation_frag;
OGLProgram smaa_neighborhood_blending_frag;
OGLTexture smaa_area_tex;
OGLTexture smaa_search_tex;
OGLTexture smaa_edges_tex;
OGLTexture smaa_blend_tex;
std::unique_ptr<FSR> fsr;
/// OpenGL framebuffer data
std::vector<u8> gl_framebuffer_data;
/// Used for transforming the framebuffer orientation
Service::android::BufferTransformFlags framebuffer_transform_flags{};
Common::Rectangle<int> framebuffer_crop_rect;
u32 framebuffer_width;
u32 framebuffer_height;
std::unique_ptr<BlitScreen> blit_screen;
};
} // namespace OpenGL