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Presentation: add Nearest Neighbor filter.

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This commit is contained in:
Fernando Sahmkow 2021-10-17 17:22:16 +02:00
parent 77b0812d69
commit b60966041c
6 changed files with 67 additions and 14 deletions
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19
src/video_core/renderer_opengl/renderer_opengl.cpp
View file

@ -264,6 +264,10 @@ void RendererOpenGL::InitOpenGLObjects() {
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();
@ -346,6 +350,9 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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;
@ -355,6 +362,12 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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;
@ -464,7 +477,11 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
}
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);

1
src/video_core/renderer_opengl/renderer_opengl.h
View file

@ -109,6 +109,7 @@ private:
// OpenGL object IDs
OGLSampler present_sampler;
OGLSampler present_sampler_nn;
OGLBuffer vertex_buffer;
OGLProgram present_vertex;
OGLProgram present_bilinear_fragment;