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-rw-r--r--src/video_core/renderer_opengl/renderer_opengl.cpp90
1 files changed, 72 insertions, 18 deletions
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index de95f2634..2a74c1d05 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -17,8 +17,14 @@
#include "core/frontend/emu_window.h"
#include "core/memory.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"
@@ -31,6 +37,7 @@
#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_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
@@ -268,12 +275,17 @@ void RendererOpenGL::InitOpenGLObjects() {
fxaa_vertex = CreateProgram(HostShaders::FXAA_VERT, GL_VERTEX_SHADER);
fxaa_fragment = CreateProgram(HostShaders::FXAA_FRAG, GL_FRAGMENT_SHADER);
- const auto SmaaShader = [](std::string_view specialized_source, GLenum stage) {
- std::string shader_source{specialized_source};
- constexpr std::string_view include_string = "#include \"opengl_smaa.glsl\"";
+ 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(), HostShaders::OPENGL_SMAA_GLSL);
+ 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);
};
@@ -298,14 +310,32 @@ void RendererOpenGL::InitOpenGLObjects() {
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();
@@ -525,6 +555,31 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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));
@@ -540,10 +595,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
case Settings::ScalingFilter::ScaleForce:
return present_scaleforce_fragment.handle;
case Settings::ScalingFilter::Fsr:
- LOG_WARNING(
- Render_OpenGL,
- "FidelityFX Super Resolution is not supported in OpenGL, changing to ScaleForce");
- return present_scaleforce_fragment.handle;
+ return fsr->GetPresentFragmentProgram().handle;
default:
return present_bilinear_fragment.handle;
}
@@ -578,15 +630,18 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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);
- // 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.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) {
@@ -612,7 +667,6 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
} else {
glDisable(GL_FRAMEBUFFER_SRGB);
}
- glDisablei(GL_SCISSOR_TEST, 0);
glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(layout.width),
static_cast<GLfloat>(layout.height));
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 01:39:55 +0200