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Diffstat (limited to 'src/video_core/renderer_opengl/renderer_opengl.cpp')
-rw-r--r--src/video_core/renderer_opengl/renderer_opengl.cpp124
1 files changed, 106 insertions, 18 deletions
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index f29462f7c..5b5e178ad 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -22,12 +22,21 @@
#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_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 {
@@ -258,6 +267,28 @@ 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 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 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);
+ 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);
@@ -293,7 +324,16 @@ void RendererOpenGL::InitOpenGLObjects() {
// Clear screen to black
LoadColorToActiveGLTexture(0, 0, 0, 0, screen_info.texture);
- fxaa_framebuffer.Create();
+ 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() {
@@ -346,13 +386,22 @@ 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,
+ 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));
- glNamedFramebufferTexture(fxaa_framebuffer.handle, GL_COLOR_ATTACHMENT0, fxaa_texture.handle,
- 0);
}
void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
@@ -377,11 +426,6 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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);
@@ -394,12 +438,12 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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);
- if (Settings::values.anti_aliasing.GetValue() == Settings::AntiAliasing::Fxaa) {
- program_manager.BindPresentPrograms(fxaa_vertex.handle, fxaa_fragment.handle);
-
+ const auto anti_aliasing = Settings::values.anti_aliasing.GetValue();
+ 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();
@@ -420,21 +464,60 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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);
+ 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, fxaa_texture.handle);
+ glBindTextureUnit(0, aa_texture.handle);
}
const std::array ortho_matrix =
MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
@@ -551,6 +634,11 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 11:51:23 +0200