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video_core: Add MMPX texture filter (#6564)

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* video_core: Add MMPX texture shader

* mmpx: Apply mix to mask alpha edge artifacting

* mmpx: Do not use deprecated texture fuction.
This commit is contained in:
Stuart Kenny 2023-05-31 09:55:46 +01:00 • committed by GitHub
parent b45c7188c7
commit 691e09473e
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 160 additions and 1 deletions
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15
src/video_core/renderer_opengl/gl_blit_helper.cpp
View file

@ -14,6 +14,7 @@
#include "video_core/host_shaders/format_reinterpreter/rgba4_to_rgb5a1_frag.h"
#include "video_core/host_shaders/full_screen_triangle_vert.h"
#include "video_core/host_shaders/texture_filtering/bicubic_frag.h"
#include "video_core/host_shaders/texture_filtering/mmpx_frag.h"
#include "video_core/host_shaders/texture_filtering/nearest_neighbor_frag.h"
#include "video_core/host_shaders/texture_filtering/refine_frag.h"
#include "video_core/host_shaders/texture_filtering/scale_force_frag.h"
@ -60,7 +61,8 @@ BlitHelper::BlitHelper(const Driver& driver_)
nearest_program{CreateProgram(HostShaders::NEAREST_NEIGHBOR_FRAG)},
scale_force_program{CreateProgram(HostShaders::SCALE_FORCE_FRAG)},
xbrz_program{CreateProgram(HostShaders::XBRZ_FREESCALE_FRAG)},
gradient_x_program{CreateProgram(HostShaders::X_GRADIENT_FRAG)},
mmpx_program{CreateProgram(HostShaders::MMPX_FRAG)}, gradient_x_program{CreateProgram(
HostShaders::X_GRADIENT_FRAG)},
gradient_y_program{CreateProgram(HostShaders::Y_GRADIENT_FRAG)},
refine_program{CreateProgram(HostShaders::REFINE_FRAG)},
d24s8_to_rgba8{CreateProgram(HostShaders::D24S8_TO_RGBA8_FRAG)},
@ -175,6 +177,9 @@ bool BlitHelper::Filter(Surface& surface, const VideoCore::TextureBlit& blit) {
case TextureFilter::xBRZ:
FilterXbrz(surface, blit);
break;
case TextureFilter::MMPX:
FilterMMPX(surface, blit);
break;
default:
LOG_ERROR(Render_OpenGL, "Unknown texture filter {}", filter);
}
@ -270,6 +275,14 @@ void BlitHelper::FilterXbrz(Surface& surface, const VideoCore::TextureBlit& blit
Draw(xbrz_program, surface.Handle(), draw_fbo.handle, blit.dst_level, blit.dst_rect);
}
void BlitHelper::FilterMMPX(Surface& surface, const VideoCore::TextureBlit& blit) {
const OpenGLState prev_state = OpenGLState::GetCurState();
SCOPE_EXIT({ prev_state.Apply(); });
state.texture_units[0].texture_2d = surface.Handle(0);
SetParams(mmpx_program, surface.RealExtent(false), blit.src_rect);
Draw(mmpx_program, surface.Handle(), draw_fbo.handle, blit.dst_level, blit.dst_rect);
}
void BlitHelper::SetParams(OGLProgram& program, const VideoCore::Extent& src_extent,
Common::Rectangle<u32> src_rect) {
glProgramUniform2f(

3
src/video_core/renderer_opengl/gl_blit_helper.h
View file

@ -40,6 +40,8 @@ private:
void FilterXbrz(Surface& surface, const VideoCore::TextureBlit& blit);
void FilterMMPX(Surface& surface, const VideoCore::TextureBlit& blit);
void SetParams(OGLProgram& program, const VideoCore::Extent& src_extent,
Common::Rectangle<u32> src_rect);
@ -58,6 +60,7 @@ private:
OGLProgram nearest_program;
OGLProgram scale_force_program;
OGLProgram xbrz_program;
OGLProgram mmpx_program;
OGLProgram gradient_x_program;
OGLProgram gradient_y_program;
OGLProgram refine_program;