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-rw-r--r--src/video_core/renderer_opengl/renderer_opengl.cpp185
1 files changed, 147 insertions, 38 deletions
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 7d7cba69c..28daacd82 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -21,8 +21,13 @@
#include "core/memory.h"
#include "core/perf_stats.h"
#include "core/telemetry_session.h"
+#include "video_core/host_shaders/fxaa_frag.h"
+#include "video_core/host_shaders/fxaa_vert.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/present_bicubic_frag.h"
+#include "video_core/host_shaders/present_gaussian_frag.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"
@@ -208,7 +213,9 @@ void RendererOpenGL::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuf
framebuffer_crop_rect = framebuffer.crop_rect;
const VAddr framebuffer_addr{framebuffer.address + framebuffer.offset};
- if (rasterizer.AccelerateDisplay(framebuffer, framebuffer_addr, framebuffer.stride)) {
+ screen_info.was_accelerated =
+ rasterizer.AccelerateDisplay(framebuffer, framebuffer_addr, framebuffer.stride);
+ if (screen_info.was_accelerated) {
return;
}
@@ -251,12 +258,25 @@ void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color
void RendererOpenGL::InitOpenGLObjects() {
// Create shader programs
+ fxaa_vertex = CreateProgram(HostShaders::FXAA_VERT, GL_VERTEX_SHADER);
+ fxaa_fragment = CreateProgram(HostShaders::FXAA_FRAG, GL_FRAGMENT_SHADER);
present_vertex = CreateProgram(HostShaders::OPENGL_PRESENT_VERT, GL_VERTEX_SHADER);
- present_fragment = CreateProgram(HostShaders::OPENGL_PRESENT_FRAG, GL_FRAGMENT_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);
// 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);
+
+ 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);
// Generate VBO handle for drawing
vertex_buffer.Create();
@@ -274,6 +294,8 @@ void RendererOpenGL::InitOpenGLObjects() {
// Clear screen to black
LoadColorToActiveGLTexture(0, 0, 0, 0, screen_info.texture);
+
+ fxaa_framebuffer.Create();
}
void RendererOpenGL::AddTelemetryFields() {
@@ -325,18 +347,130 @@ void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
texture.resource.Release();
texture.resource.Create(GL_TEXTURE_2D);
glTextureStorage2D(texture.resource.handle, 1, internal_format, texture.width, texture.height);
+ fxaa_texture.Release();
+ fxaa_texture.Create(GL_TEXTURE_2D);
+ glTextureStorage2D(fxaa_texture.handle, 1, GL_RGBA16F,
+ Settings::values.resolution_info.ScaleUp(screen_info.texture.width),
+ Settings::values.resolution_info.ScaleUp(screen_info.texture.height));
+ glNamedFramebufferTexture(fxaa_framebuffer.handle, GL_COLOR_ATTACHMENT0, fxaa_texture.handle,
+ 0);
}
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);
+
// 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);
+ 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);
+
+ glBindTextureUnit(0, screen_info.display_texture);
+
+ if (Settings::values.anti_aliasing.GetValue() == Settings::AntiAliasing::Fxaa) {
+ program_manager.BindPresentPrograms(fxaa_vertex.handle, fxaa_fragment.handle);
+
+ 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));
+ glDepthRangeIndexed(0, 0.0, 0.0);
+
+ 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);
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fxaa_framebuffer.handle);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, old_read_fb);
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, old_draw_fb);
+
+ glBindTextureUnit(0, fxaa_texture.handle);
+ }
+
// Set projection matrix
const std::array ortho_matrix =
MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
- program_manager.BindPresentPrograms(present_vertex.handle, present_fragment.handle);
+
+ GLuint fragment_handle;
+ const auto filter = Settings::values.scaling_filter.GetValue();
+ switch (filter) {
+ case Settings::ScalingFilter::NearestNeighbor:
+ fragment_handle = present_bilinear_fragment.handle;
+ break;
+ case Settings::ScalingFilter::Bilinear:
+ fragment_handle = present_bilinear_fragment.handle;
+ break;
+ case Settings::ScalingFilter::Bicubic:
+ fragment_handle = present_bicubic_fragment.handle;
+ break;
+ case Settings::ScalingFilter::Gaussian:
+ fragment_handle = present_gaussian_fragment.handle;
+ break;
+ case Settings::ScalingFilter::ScaleForce:
+ fragment_handle = present_scaleforce_fragment.handle;
+ break;
+ case Settings::ScalingFilter::Fsr:
+ LOG_WARNING(
+ Render_OpenGL,
+ "FidelityFX FSR Super Sampling is not supported in OpenGL, changing to ScaleForce");
+ fragment_handle = present_scaleforce_fragment.handle;
+ break;
+ default:
+ fragment_handle = present_bilinear_fragment.handle;
+ break;
+ }
+ program_manager.BindPresentPrograms(present_vertex.handle, fragment_handle);
glProgramUniformMatrix3x2fv(present_vertex.handle, ModelViewMatrixLocation, 1, GL_FALSE,
ortho_matrix.data());
@@ -370,6 +504,11 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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 = {
@@ -380,47 +519,14 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
};
glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
- // 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);
if (screen_info.display_srgb) {
glEnable(GL_FRAMEBUFFER_SRGB);
} else {
glDisable(GL_FRAMEBUFFER_SRGB);
}
- 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);
glDisablei(GL_SCISSOR_TEST, 0);
- glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
- glCullFace(GL_BACK);
- glFrontFace(GL_CW);
- glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glViewportIndexedf(0, 0.0f, 0.0f, static_cast<GLfloat>(layout.width),
static_cast<GLfloat>(layout.height));
- glDepthRangeIndexed(0, 0.0, 0.0);
glEnableVertexAttribArray(PositionLocation);
glEnableVertexAttribArray(TexCoordLocation);
@@ -440,8 +546,11 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
}
- glBindTextureUnit(0, screen_info.display_texture);
- glBindSampler(0, present_sampler.handle);
+ if (Settings::values.scaling_filter.GetValue() != Settings::ScalingFilter::NearestNeighbor) {
+ glBindSampler(0, present_sampler.handle);
+ } else {
+ glBindSampler(0, present_sampler_nn.handle);
+ }
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 07:41:47 +0200