diff options
Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/present/filters.cpp | 39 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/filters.h | 17 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/fsr.cpp | 98 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/fsr.h | 39 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/fxaa.cpp | 41 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/fxaa.h | 27 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/layer.cpp | 215 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/layer.h | 80 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/present_uniforms.h | 43 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/smaa.cpp | 102 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/smaa.h | 35 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/util.h | 43 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/window_adapt_pass.cpp | 103 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/present/window_adapt_pass.h | 47 |
14 files changed, 929 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/present/filters.cpp b/src/video_core/renderer_opengl/present/filters.cpp new file mode 100644 index 000000000..819e5d77f --- /dev/null +++ b/src/video_core/renderer_opengl/present/filters.cpp @@ -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 diff --git a/src/video_core/renderer_opengl/present/filters.h b/src/video_core/renderer_opengl/present/filters.h new file mode 100644 index 000000000..122ab7436 --- /dev/null +++ b/src/video_core/renderer_opengl/present/filters.h @@ -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 diff --git a/src/video_core/renderer_opengl/present/fsr.cpp b/src/video_core/renderer_opengl/present/fsr.cpp new file mode 100644 index 000000000..b764aadae --- /dev/null +++ b/src/video_core/renderer_opengl/present/fsr.cpp @@ -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 diff --git a/src/video_core/renderer_opengl/present/fsr.h b/src/video_core/renderer_opengl/present/fsr.h new file mode 100644 index 000000000..606935a01 --- /dev/null +++ b/src/video_core/renderer_opengl/present/fsr.h @@ -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 diff --git a/src/video_core/renderer_opengl/present/fxaa.cpp b/src/video_core/renderer_opengl/present/fxaa.cpp new file mode 100644 index 000000000..d9b58512d --- /dev/null +++ b/src/video_core/renderer_opengl/present/fxaa.cpp @@ -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 diff --git a/src/video_core/renderer_opengl/present/fxaa.h b/src/video_core/renderer_opengl/present/fxaa.h new file mode 100644 index 000000000..b898198f1 --- /dev/null +++ b/src/video_core/renderer_opengl/present/fxaa.h @@ -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 diff --git a/src/video_core/renderer_opengl/present/layer.cpp b/src/video_core/renderer_opengl/present/layer.cpp new file mode 100644 index 000000000..8643e07c6 --- /dev/null +++ b/src/video_core/renderer_opengl/present/layer.cpp @@ -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 diff --git a/src/video_core/renderer_opengl/present/layer.h b/src/video_core/renderer_opengl/present/layer.h new file mode 100644 index 000000000..ef1055abf --- /dev/null +++ b/src/video_core/renderer_opengl/present/layer.h @@ -0,0 +1,80 @@ +// 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 diff --git a/src/video_core/renderer_opengl/present/present_uniforms.h b/src/video_core/renderer_opengl/present/present_uniforms.h new file mode 100644 index 000000000..3a19f05c7 --- /dev/null +++ b/src/video_core/renderer_opengl/present/present_uniforms.h @@ -0,0 +1,43 @@ +// 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 diff --git a/src/video_core/renderer_opengl/present/smaa.cpp b/src/video_core/renderer_opengl/present/smaa.cpp new file mode 100644 index 000000000..de7f6e502 --- /dev/null +++ b/src/video_core/renderer_opengl/present/smaa.cpp @@ -0,0 +1,102 @@ +// 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 diff --git a/src/video_core/renderer_opengl/present/smaa.h b/src/video_core/renderer_opengl/present/smaa.h new file mode 100644 index 000000000..a48cb4fa9 --- /dev/null +++ b/src/video_core/renderer_opengl/present/smaa.h @@ -0,0 +1,35 @@ +// 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 diff --git a/src/video_core/renderer_opengl/present/util.h b/src/video_core/renderer_opengl/present/util.h new file mode 100644 index 000000000..67f03aa27 --- /dev/null +++ b/src/video_core/renderer_opengl/present/util.h @@ -0,0 +1,43 @@ +// 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 diff --git a/src/video_core/renderer_opengl/present/window_adapt_pass.cpp b/src/video_core/renderer_opengl/present/window_adapt_pass.cpp new file mode 100644 index 000000000..4d681606b --- /dev/null +++ b/src/video_core/renderer_opengl/present/window_adapt_pass.cpp @@ -0,0 +1,103 @@ +// 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 diff --git a/src/video_core/renderer_opengl/present/window_adapt_pass.h b/src/video_core/renderer_opengl/present/window_adapt_pass.h new file mode 100644 index 000000000..00975a9c6 --- /dev/null +++ b/src/video_core/renderer_opengl/present/window_adapt_pass.h @@ -0,0 +1,47 @@ +// 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 |