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Renderer: Implement Bicubic and ScaleForce filters.

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This commit is contained in:
Fernando Sahmkow 2021-08-17 00:12:52 +02:00
parent c5bbbf3902
commit a6b88e85bf
15 changed files with 624 additions and 38 deletions
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27
src/video_core/renderer_opengl/renderer_opengl.cpp
View file

@ -21,7 +21,9 @@
#include "core/memory.h"
#include "core/perf_stats.h"
#include "core/telemetry_session.h"
#include "video_core/host_shaders/opengl_present_bicubic_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"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
@ -252,7 +254,11 @@ void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color
void RendererOpenGL::InitOpenGLObjects() {
// Create shader programs
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::OPENGL_PRESENT_BICUBIC_FRAG, GL_FRAGMENT_SHADER);
present_scaleforce_fragment =
CreateProgram(HostShaders::OPENGL_PRESENT_SCALEFORCE_FRAG, GL_FRAGMENT_SHADER);
// Generate presentation sampler
present_sampler.Create();
@ -337,7 +343,24 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
// 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::Bilinear:
fragment_handle = present_bilinear_fragment.handle;
break;
case Settings::ScalingFilter::Bicubic:
fragment_handle = present_bicubic_fragment.handle;
break;
case Settings::ScalingFilter::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());

4
src/video_core/renderer_opengl/renderer_opengl.h
View file

@ -111,7 +111,9 @@ private:
OGLSampler present_sampler;
OGLBuffer vertex_buffer;
OGLProgram present_vertex;
OGLProgram present_fragment;
OGLProgram present_bilinear_fragment;
OGLProgram present_bicubic_fragment;
OGLProgram present_scaleforce_fragment;
OGLFramebuffer screenshot_framebuffer;
// GPU address of the vertex buffer