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video_core: Integrate SMAA

Browse source 
Co-authored-by: goldenx86 <goldenx86@users.noreply.github.com>
Co-authored-by: BreadFish64 <breadfish64@users.noreply.github.com>
This commit is contained in:
Liam 2022-12-08 16:52:29 -05:00
parent 41461514d6
commit 5b837157bd
24 changed files with 13894 additions and 28 deletions
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124
src/video_core/renderer_opengl/renderer_opengl.cpp
View file

@ -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);

15
src/video_core/renderer_opengl/renderer_opengl.h
View file

@ -127,8 +127,19 @@ private:
/// Display information for Switch screen
ScreenInfo screen_info;
OGLTexture fxaa_texture;
OGLFramebuffer fxaa_framebuffer;
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;
/// OpenGL framebuffer data
std::vector<u8> gl_framebuffer_data;