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https://github.com/PabloMK7/citra.git
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video_core: add texture filtering (#5017)
video_core: add texture filtering
This commit is contained in:
Marshall Mohror
GitHub
parent
ad3c464e2d
commit
a7d3489dc9
33 changed files with 1337 additions and 70 deletions
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@ -50,6 +50,15 @@ add_library(video_core STATIC
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renderer_opengl/post_processing_opengl.h
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renderer_opengl/renderer_opengl.cpp
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renderer_opengl/renderer_opengl.h
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renderer_opengl/texture_filters/anime4k/anime4k_ultrafast.cpp
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renderer_opengl/texture_filters/anime4k/anime4k_ultrafast.h
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renderer_opengl/texture_filters/bicubic/bicubic.cpp
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renderer_opengl/texture_filters/bicubic/bicubic.h
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renderer_opengl/texture_filters/texture_filter_interface.h
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renderer_opengl/texture_filters/texture_filter_manager.cpp
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renderer_opengl/texture_filters/texture_filter_manager.h
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renderer_opengl/texture_filters/xbrz/xbrz_freescale.cpp
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renderer_opengl/texture_filters/xbrz/xbrz_freescale.h
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shader/debug_data.h
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shader/shader.cpp
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shader/shader.h
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@ -80,6 +89,35 @@ add_library(video_core STATIC
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video_core.h
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)
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set(SHADER_FILES
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renderer_opengl/texture_filters/anime4k/refine.frag
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renderer_opengl/texture_filters/anime4k/refine.vert
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renderer_opengl/texture_filters/anime4k/x_gradient.frag
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renderer_opengl/texture_filters/anime4k/y_gradient.frag
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renderer_opengl/texture_filters/anime4k/y_gradient.vert
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renderer_opengl/texture_filters/bicubic/bicubic.frag
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renderer_opengl/texture_filters/tex_coord.vert
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renderer_opengl/texture_filters/xbrz/xbrz_freescale.frag
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renderer_opengl/texture_filters/xbrz/xbrz_freescale.vert
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)
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include(${CMAKE_CURRENT_SOURCE_DIR}/generate_shaders.cmake)
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foreach(shader_file ${SHADER_FILES})
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get_filename_component(shader_file_name ${shader_file} NAME)
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GetShaderHeaderFile(${shader_file_name})
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list(APPEND SHADER_HEADERS ${shader_header_file})
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endforeach()
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add_custom_target(shaders
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BYPRODUCTS ${SHADER_HEADERS}
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COMMAND cmake -P ${CMAKE_CURRENT_SOURCE_DIR}/generate_shaders.cmake
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SOURCES ${SHADER_FILES}
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)
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add_dependencies(video_core shaders)
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target_include_directories(video_core PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
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if(ARCHITECTURE_x86_64)
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target_sources(video_core
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PRIVATE
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16
src/video_core/generate_shaders.cmake
Normal file
16
src/video_core/generate_shaders.cmake
Normal file
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@ -0,0 +1,16 @@
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function(GetShaderHeaderFile shader_file_name)
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set(shader_header_file ${CMAKE_CURRENT_BINARY_DIR}/shaders/${shader_file_name} PARENT_SCOPE)
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endfunction()
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foreach(shader_file ${SHADER_FILES})
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file(READ ${shader_file} shader)
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get_filename_component(shader_file_name ${shader_file} NAME)
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string(REPLACE . _ shader_name ${shader_file_name})
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GetShaderHeaderFile(${shader_file_name})
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file(WRITE ${shader_header_file}
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"#pragma once\n"
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"constexpr std::string_view ${shader_name} = R\"(\n"
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"${shader}"
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")\";\n"
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)
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endforeach()
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@ -34,6 +34,7 @@
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#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
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#include "video_core/renderer_opengl/gl_state.h"
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#include "video_core/renderer_opengl/gl_vars.h"
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#include "video_core/renderer_opengl/texture_filters/texture_filter_manager.h"
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#include "video_core/utils.h"
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#include "video_core/video_core.h"
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@ -42,12 +43,6 @@ namespace OpenGL {
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using SurfaceType = SurfaceParams::SurfaceType;
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using PixelFormat = SurfaceParams::PixelFormat;
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struct FormatTuple {
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GLint internal_format;
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GLenum format;
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GLenum type;
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};
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static constexpr std::array<FormatTuple, 5> fb_format_tuples = {{
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{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8}, // RGBA8
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{GL_RGB8, GL_BGR, GL_UNSIGNED_BYTE}, // RGB8
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@ -74,9 +69,7 @@ static constexpr std::array<FormatTuple, 4> depth_format_tuples = {{
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{GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8}, // D24S8
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}};
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static constexpr FormatTuple tex_tuple = {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE};
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static const FormatTuple& GetFormatTuple(PixelFormat pixel_format) {
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const FormatTuple& GetFormatTuple(PixelFormat pixel_format) {
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const SurfaceType type = SurfaceParams::GetFormatType(pixel_format);
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if (type == SurfaceType::Color) {
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ASSERT(static_cast<std::size_t>(pixel_format) < fb_format_tuples.size());
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@ -745,9 +738,8 @@ void CachedSurface::LoadGLBuffer(PAddr load_start, PAddr load_end) {
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if (texture_src_data == nullptr)
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return;
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if (gl_buffer == nullptr) {
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gl_buffer_size = width * height * GetGLBytesPerPixel(pixel_format);
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gl_buffer.reset(new u8[gl_buffer_size]);
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if (gl_buffer.empty()) {
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gl_buffer.resize(width * height * GetGLBytesPerPixel(pixel_format));
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}
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// TODO: Should probably be done in ::Memory:: and check for other regions too
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@ -819,7 +811,7 @@ void CachedSurface::FlushGLBuffer(PAddr flush_start, PAddr flush_end) {
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if (dst_buffer == nullptr)
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return;
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ASSERT(gl_buffer_size == width * height * GetGLBytesPerPixel(pixel_format));
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ASSERT(gl_buffer.size() == width * height * GetGLBytesPerPixel(pixel_format));
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// TODO: Should probably be done in ::Memory:: and check for other regions too
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// same as loadglbuffer()
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@ -858,8 +850,7 @@ void CachedSurface::FlushGLBuffer(PAddr flush_start, PAddr flush_end) {
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}
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}
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bool CachedSurface::LoadCustomTexture(u64 tex_hash, Core::CustomTexInfo& tex_info,
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Common::Rectangle<u32>& custom_rect) {
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bool CachedSurface::LoadCustomTexture(u64 tex_hash, Core::CustomTexInfo& tex_info) {
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bool result = false;
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auto& custom_tex_cache = Core::System::GetInstance().CustomTexCache();
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const auto& image_interface = Core::System::GetInstance().GetImageInterface();
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@ -889,13 +880,6 @@ bool CachedSurface::LoadCustomTexture(u64 tex_hash, Core::CustomTexInfo& tex_inf
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}
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}
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if (result) {
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custom_rect.left = (custom_rect.left / width) * tex_info.width;
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custom_rect.top = (custom_rect.top / height) * tex_info.height;
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custom_rect.right = (custom_rect.right / width) * tex_info.width;
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custom_rect.bottom = (custom_rect.bottom / height) * tex_info.height;
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}
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return result;
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}
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@ -943,31 +927,31 @@ void CachedSurface::DumpTexture(GLuint target_tex, u64 tex_hash) {
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}
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MICROPROFILE_DEFINE(OpenGL_TextureUL, "OpenGL", "Texture Upload", MP_RGB(128, 192, 64));
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void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint read_fb_handle,
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void CachedSurface::UploadGLTexture(Common::Rectangle<u32> rect, GLuint read_fb_handle,
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GLuint draw_fb_handle) {
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if (type == SurfaceType::Fill)
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return;
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MICROPROFILE_SCOPE(OpenGL_TextureUL);
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ASSERT(gl_buffer_size == width * height * GetGLBytesPerPixel(pixel_format));
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ASSERT(gl_buffer.size() == width * height * GetGLBytesPerPixel(pixel_format));
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// Read custom texture
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auto& custom_tex_cache = Core::System::GetInstance().CustomTexCache();
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std::string dump_path; // Has to be declared here for logging later
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u64 tex_hash = 0;
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// Required for rect to function properly with custom textures
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Common::Rectangle custom_rect = rect;
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if (Settings::values.dump_textures || Settings::values.custom_textures)
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tex_hash = Common::ComputeHash64(gl_buffer.get(), gl_buffer_size);
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tex_hash = Common::ComputeHash64(gl_buffer.data(), gl_buffer.size());
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if (Settings::values.custom_textures)
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is_custom = LoadCustomTexture(tex_hash, custom_tex_info, custom_rect);
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is_custom = LoadCustomTexture(tex_hash, custom_tex_info);
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TextureFilterInterface* const texture_filter =
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is_custom ? nullptr : TextureFilterManager::GetInstance().GetTextureFilter();
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const u16 default_scale = texture_filter ? texture_filter->scale_factor : 1;
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// Load data from memory to the surface
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GLint x0 = static_cast<GLint>(custom_rect.left);
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GLint y0 = static_cast<GLint>(custom_rect.bottom);
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GLint x0 = static_cast<GLint>(rect.left);
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GLint y0 = static_cast<GLint>(rect.bottom);
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std::size_t buffer_offset = (y0 * stride + x0) * GetGLBytesPerPixel(pixel_format);
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const FormatTuple& tuple = GetFormatTuple(pixel_format);
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@ -976,7 +960,7 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
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// If not 1x scale, create 1x texture that we will blit from to replace texture subrect in
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// surface
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OGLTexture unscaled_tex;
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if (res_scale != 1) {
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if (res_scale != default_scale) {
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x0 = 0;
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y0 = 0;
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@ -985,8 +969,8 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
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AllocateSurfaceTexture(unscaled_tex.handle, GetFormatTuple(PixelFormat::RGBA8),
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custom_tex_info.width, custom_tex_info.height);
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} else {
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AllocateSurfaceTexture(unscaled_tex.handle, tuple, custom_rect.GetWidth(),
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custom_rect.GetHeight());
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AllocateSurfaceTexture(unscaled_tex.handle, tuple, rect.GetWidth() * default_scale,
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rect.GetHeight() * default_scale);
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}
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target_tex = unscaled_tex.handle;
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}
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@ -1012,6 +996,16 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
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glActiveTexture(GL_TEXTURE0);
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glTexSubImage2D(GL_TEXTURE_2D, 0, x0, y0, custom_tex_info.width, custom_tex_info.height,
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GL_RGBA, GL_UNSIGNED_BYTE, custom_tex_info.tex.data());
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} else if (texture_filter) {
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if (res_scale == default_scale) {
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AllocateSurfaceTexture(texture.handle, GetFormatTuple(pixel_format),
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rect.GetWidth() * default_scale,
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rect.GetHeight() * default_scale);
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cur_state.texture_units[0].texture_2d = texture.handle;
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cur_state.Apply();
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}
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texture_filter->scale(*this, {(u32)x0, (u32)y0, rect.GetWidth(), rect.GetHeight()},
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buffer_offset);
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} else {
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glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(stride));
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@ -1022,21 +1016,23 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
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}
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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if (Settings::values.dump_textures && !is_custom)
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if (Settings::values.dump_textures && !is_custom && !texture_filter)
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DumpTexture(target_tex, tex_hash);
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cur_state.texture_units[0].texture_2d = old_tex;
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cur_state.Apply();
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if (res_scale != 1) {
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auto scaled_rect = custom_rect;
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if (res_scale != default_scale) {
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auto scaled_rect = rect;
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scaled_rect.left *= res_scale;
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scaled_rect.top *= res_scale;
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scaled_rect.right *= res_scale;
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scaled_rect.bottom *= res_scale;
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BlitTextures(unscaled_tex.handle, {0, custom_rect.GetHeight(), custom_rect.GetWidth(), 0},
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texture.handle, scaled_rect, type, read_fb_handle, draw_fb_handle);
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auto from_rect =
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is_custom ? Common::Rectangle<u32>{0, custom_tex_info.height, custom_tex_info.width, 0}
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: Common::Rectangle<u32>{0, rect.GetHeight(), rect.GetWidth(), 0};
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BlitTextures(unscaled_tex.handle, from_rect, texture.handle, scaled_rect, type,
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read_fb_handle, draw_fb_handle);
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}
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InvalidateAllWatcher();
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@ -1050,9 +1046,8 @@ void CachedSurface::DownloadGLTexture(const Common::Rectangle<u32>& rect, GLuint
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MICROPROFILE_SCOPE(OpenGL_TextureDL);
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if (gl_buffer == nullptr) {
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gl_buffer_size = width * height * GetGLBytesPerPixel(pixel_format);
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gl_buffer.reset(new u8[gl_buffer_size]);
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if (gl_buffer.empty()) {
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gl_buffer.resize(width * height * GetGLBytesPerPixel(pixel_format));
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}
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OpenGLState state = OpenGLState::GetCurState();
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@ -1090,7 +1085,7 @@ void CachedSurface::DownloadGLTexture(const Common::Rectangle<u32>& rect, GLuint
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if (GLES) {
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GetTexImageOES(GL_TEXTURE_2D, 0, tuple.format, tuple.type, rect.GetHeight(),
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rect.GetWidth(), 0, &gl_buffer[buffer_offset],
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gl_buffer_size - buffer_offset);
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gl_buffer.size() - buffer_offset);
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} else {
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glGetTexImage(GL_TEXTURE_2D, 0, tuple.format, tuple.type, &gl_buffer[buffer_offset]);
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}
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@ -1373,8 +1368,8 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, ScaleMatc
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if (surface == nullptr) {
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u16 target_res_scale = params.res_scale;
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if (match_res_scale != ScaleMatch::Exact) {
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// This surface may have a subrect of another surface with a higher res_scale, find it
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// to adjust our params
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// This surface may have a subrect of another surface with a higher res_scale, find
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// it to adjust our params
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SurfaceParams find_params = params;
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Surface expandable = FindMatch<MatchFlags::Expand | MatchFlags::Invalid>(
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surface_cache, find_params, match_res_scale);
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@ -1423,7 +1418,6 @@ SurfaceRect_Tuple RasterizerCacheOpenGL::GetSurfaceSubRect(const SurfaceParams&
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surface = FindMatch<MatchFlags::SubRect | MatchFlags::Invalid>(surface_cache, params,
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ScaleMatch::Ignore);
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if (surface != nullptr) {
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ASSERT(surface->res_scale < params.res_scale);
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SurfaceParams new_params = *surface;
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new_params.res_scale = params.res_scale;
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@ -1503,6 +1497,11 @@ Surface RasterizerCacheOpenGL::GetTextureSurface(const Pica::Texture::TextureInf
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params.height = info.height;
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params.is_tiled = true;
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params.pixel_format = SurfaceParams::PixelFormatFromTextureFormat(info.format);
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TextureFilterInterface* filter{};
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params.res_scale = (filter = TextureFilterManager::GetInstance().GetTextureFilter())
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? filter->scale_factor
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: 1;
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params.UpdateParams();
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u32 min_width = info.width >> max_level;
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@ -1520,6 +1519,8 @@ Surface RasterizerCacheOpenGL::GetTextureSurface(const Pica::Texture::TextureInf
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}
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auto surface = GetSurface(params, ScaleMatch::Ignore, true);
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if (!surface)
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return nullptr;
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// Update mipmap if necessary
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if (max_level != 0) {
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@ -1546,8 +1547,8 @@ Surface RasterizerCacheOpenGL::GetTextureSurface(const Pica::Texture::TextureInf
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width = surface->custom_tex_info.width;
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height = surface->custom_tex_info.height;
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} else {
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width = surface->width * surface->res_scale;
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height = surface->height * surface->res_scale;
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width = surface->GetScaledWidth();
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height = surface->GetScaledHeight();
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}
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for (u32 level = surface->max_level + 1; level <= max_level; ++level) {
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glTexImage2D(GL_TEXTURE_2D, level, format_tuple.internal_format, width >> level,
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@ -1645,9 +1646,10 @@ const CachedTextureCube& RasterizerCacheOpenGL::GetTextureCube(const TextureCube
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if (surface) {
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face.watcher = surface->CreateWatcher();
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} else {
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// Can occur when texture address is invalid. We mark the watcher with nullptr in
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// this case and the content of the face wouldn't get updated. These are usually
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// leftover setup in the texture unit and games are not supposed to draw using them.
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// Can occur when texture address is invalid. We mark the watcher with nullptr
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// in this case and the content of the face wouldn't get updated. These are
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// usually leftover setup in the texture unit and games are not supposed to draw
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// using them.
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face.watcher = nullptr;
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}
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}
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@ -1713,7 +1715,9 @@ SurfaceSurfaceRect_Tuple RasterizerCacheOpenGL::GetFramebufferSurfaces(
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// update resolution_scale_factor and reset cache if changed
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static u16 resolution_scale_factor = VideoCore::GetResolutionScaleFactor();
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if (resolution_scale_factor != VideoCore::GetResolutionScaleFactor()) {
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if (resolution_scale_factor != VideoCore::GetResolutionScaleFactor() ||
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TextureFilterManager::GetInstance().IsUpdated()) {
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TextureFilterManager::GetInstance().Reset();
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resolution_scale_factor = VideoCore::GetResolutionScaleFactor();
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FlushAll();
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while (!surface_cache.empty())
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@ -1936,8 +1940,8 @@ void RasterizerCacheOpenGL::FlushRegion(PAddr addr, u32 size, Surface flush_surf
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for (auto& pair : RangeFromInterval(dirty_regions, flush_interval)) {
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// small sizes imply that this most likely comes from the cpu, flush the entire region
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// the point is to avoid thousands of small writes every frame if the cpu decides to access
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// that region, anything higher than 8 you're guaranteed it comes from a service
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// the point is to avoid thousands of small writes every frame if the cpu decides to
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// access that region, anything higher than 8 you're guaranteed it comes from a service
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const auto interval = size <= 8 ? pair.first : pair.first & flush_interval;
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auto& surface = pair.second;
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@ -2031,7 +2035,7 @@ Surface RasterizerCacheOpenGL::CreateSurface(const SurfaceParams& params) {
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surface->texture.Create();
|
||||
|
||||
surface->gl_buffer_size = 0;
|
||||
surface->gl_buffer.resize(0);
|
||||
surface->invalid_regions.insert(surface->GetInterval());
|
||||
AllocateSurfaceTexture(surface->texture.handle, GetFormatTuple(surface->pixel_format),
|
||||
surface->GetScaledWidth(), surface->GetScaledHeight());
|
||||
|
|
|
|||
|
|
@ -382,21 +382,18 @@ struct CachedSurface : SurfaceParams, std::enable_shared_from_this<CachedSurface
|
|||
: SurfaceParams::GetFormatBpp(format) / 8;
|
||||
}
|
||||
|
||||
std::unique_ptr<u8[]> gl_buffer;
|
||||
std::size_t gl_buffer_size = 0;
|
||||
std::vector<u8> gl_buffer;
|
||||
|
||||
// Read/Write data in 3DS memory to/from gl_buffer
|
||||
void LoadGLBuffer(PAddr load_start, PAddr load_end);
|
||||
void FlushGLBuffer(PAddr flush_start, PAddr flush_end);
|
||||
|
||||
// Custom texture loading and dumping
|
||||
bool LoadCustomTexture(u64 tex_hash, Core::CustomTexInfo& tex_info,
|
||||
Common::Rectangle<u32>& custom_rect);
|
||||
bool LoadCustomTexture(u64 tex_hash, Core::CustomTexInfo& tex_info);
|
||||
void DumpTexture(GLuint target_tex, u64 tex_hash);
|
||||
|
||||
// Upload/Download data in gl_buffer in/to this surface's texture
|
||||
void UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint read_fb_handle,
|
||||
GLuint draw_fb_handle);
|
||||
void UploadGLTexture(Common::Rectangle<u32> rect, GLuint read_fb_handle, GLuint draw_fb_handle);
|
||||
void DownloadGLTexture(const Common::Rectangle<u32>& rect, GLuint read_fb_handle,
|
||||
GLuint draw_fb_handle);
|
||||
|
||||
|
|
@ -525,4 +522,14 @@ private:
|
|||
|
||||
std::unordered_map<TextureCubeConfig, CachedTextureCube> texture_cube_cache;
|
||||
};
|
||||
|
||||
struct FormatTuple {
|
||||
GLint internal_format;
|
||||
GLenum format;
|
||||
GLenum type;
|
||||
};
|
||||
|
||||
constexpr FormatTuple tex_tuple = {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE};
|
||||
|
||||
const FormatTuple& GetFormatTuple(SurfaceParams::PixelFormat pixel_format);
|
||||
} // namespace OpenGL
|
||||
|
|
|
|||
|
|
@ -38,6 +38,13 @@ constexpr GLuint ShadowTexturePZ = 5;
|
|||
constexpr GLuint ShadowTextureNZ = 6;
|
||||
} // namespace ImageUnits
|
||||
|
||||
struct Viewport {
|
||||
GLint x;
|
||||
GLint y;
|
||||
GLsizei width;
|
||||
GLsizei height;
|
||||
};
|
||||
|
||||
class OpenGLState {
|
||||
public:
|
||||
struct {
|
||||
|
|
@ -135,12 +142,7 @@ public:
|
|||
GLsizei height;
|
||||
} scissor;
|
||||
|
||||
struct {
|
||||
GLint x;
|
||||
GLint y;
|
||||
GLsizei width;
|
||||
GLsizei height;
|
||||
} viewport;
|
||||
Viewport viewport;
|
||||
|
||||
std::array<bool, 2> clip_distance; // GL_CLIP_DISTANCE
|
||||
|
||||
|
|
|
|||
|
|
@ -32,6 +32,7 @@
|
|||
#include "video_core/renderer_opengl/gl_vars.h"
|
||||
#include "video_core/renderer_opengl/post_processing_opengl.h"
|
||||
#include "video_core/renderer_opengl/renderer_opengl.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/texture_filter_manager.h"
|
||||
#include "video_core/video_core.h"
|
||||
|
||||
namespace Frontend {
|
||||
|
|
@ -1178,10 +1179,14 @@ VideoCore::ResultStatus RendererOpenGL::Init() {
|
|||
|
||||
RefreshRasterizerSetting();
|
||||
|
||||
TextureFilterManager::GetInstance().Reset();
|
||||
|
||||
return VideoCore::ResultStatus::Success;
|
||||
}
|
||||
|
||||
/// Shutdown the renderer
|
||||
void RendererOpenGL::ShutDown() {}
|
||||
void RendererOpenGL::ShutDown() {
|
||||
TextureFilterManager::GetInstance().Destroy();
|
||||
}
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
|
|||
|
|
@ -0,0 +1,138 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
// modified from
|
||||
// https://github.com/bloc97/Anime4K/blob/533cee5f7018d0e57ad2a26d76d43f13b9d8782a/glsl/Anime4K_Adaptive_v1.0RC2_UltraFast.glsl
|
||||
|
||||
// MIT License
|
||||
//
|
||||
// Copyright(c) 2019 bloc97
|
||||
//
|
||||
// Permission is hereby granted,
|
||||
// free of charge,
|
||||
// to any person obtaining a copy of this software and associated documentation
|
||||
// files(the "Software"),
|
||||
// to deal in the Software without restriction, including without limitation the rights to use,
|
||||
// copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the Software,
|
||||
// and to permit persons to whom the Software is furnished to do so,
|
||||
// subject to the following conditions :
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in all copies
|
||||
// or
|
||||
// substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS",
|
||||
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
||||
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
// NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
||||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/anime4k/anime4k_ultrafast.h"
|
||||
|
||||
#include "shaders/refine.frag"
|
||||
#include "shaders/refine.vert"
|
||||
#include "shaders/tex_coord.vert"
|
||||
#include "shaders/x_gradient.frag"
|
||||
#include "shaders/y_gradient.frag"
|
||||
#include "shaders/y_gradient.vert"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
Anime4kUltrafast::Anime4kUltrafast(u16 scale_factor) : TextureFilterInterface(scale_factor) {
|
||||
const OpenGLState cur_state = OpenGLState::GetCurState();
|
||||
const auto setup_temp_tex = [this, scale_factor](TempTex& texture, GLint internal_format,
|
||||
GLint format) {
|
||||
texture.fbo.Create();
|
||||
texture.tex.Create();
|
||||
state.draw.draw_framebuffer = texture.fbo.handle;
|
||||
state.Apply();
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE, texture.tex.handle);
|
||||
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, internal_format, 1024 * scale_factor,
|
||||
1024 * scale_factor, 0, format, GL_HALF_FLOAT, nullptr);
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE,
|
||||
texture.tex.handle, 0);
|
||||
};
|
||||
setup_temp_tex(LUMAD, GL_R16F, GL_RED);
|
||||
setup_temp_tex(XY, GL_RG16F, GL_RG);
|
||||
|
||||
vao.Create();
|
||||
out_fbo.Create();
|
||||
|
||||
for (std::size_t idx = 0; idx < samplers.size(); ++idx) {
|
||||
samplers[idx].Create();
|
||||
state.texture_units[idx].sampler = samplers[idx].handle;
|
||||
glSamplerParameteri(samplers[idx].handle, GL_TEXTURE_MIN_FILTER,
|
||||
idx == 0 ? GL_LINEAR : GL_NEAREST);
|
||||
glSamplerParameteri(samplers[idx].handle, GL_TEXTURE_MAG_FILTER,
|
||||
idx == 0 ? GL_LINEAR : GL_NEAREST);
|
||||
glSamplerParameteri(samplers[idx].handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glSamplerParameteri(samplers[idx].handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
}
|
||||
state.draw.vertex_array = vao.handle;
|
||||
|
||||
gradient_x_program.Create(tex_coord_vert.data(), x_gradient_frag.data());
|
||||
gradient_y_program.Create(y_gradient_vert.data(), y_gradient_frag.data());
|
||||
refine_program.Create(refine_vert.data(), refine_frag.data());
|
||||
|
||||
state.draw.shader_program = gradient_y_program.handle;
|
||||
state.Apply();
|
||||
glUniform1i(glGetUniformLocation(gradient_y_program.handle, "tex_input"), 2);
|
||||
|
||||
state.draw.shader_program = refine_program.handle;
|
||||
state.Apply();
|
||||
glUniform1i(glGetUniformLocation(refine_program.handle, "LUMAD"), 1);
|
||||
|
||||
cur_state.Apply();
|
||||
}
|
||||
|
||||
void Anime4kUltrafast::scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) {
|
||||
const OpenGLState cur_state = OpenGLState::GetCurState();
|
||||
|
||||
OGLTexture src_tex;
|
||||
src_tex.Create();
|
||||
|
||||
state.viewport = RectToViewport(rect);
|
||||
|
||||
state.texture_units[0].texture_2d = src_tex.handle;
|
||||
state.draw.draw_framebuffer = XY.fbo.handle;
|
||||
state.draw.shader_program = gradient_x_program.handle;
|
||||
state.Apply();
|
||||
|
||||
const FormatTuple tuple = GetFormatTuple(surface.pixel_format);
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(surface.stride));
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format, rect.GetWidth(), rect.GetHeight(), 0,
|
||||
tuple.format, tuple.type, &surface.gl_buffer[buffer_offset]);
|
||||
|
||||
glActiveTexture(GL_TEXTURE1);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE, LUMAD.tex.handle);
|
||||
glActiveTexture(GL_TEXTURE2);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE, XY.tex.handle);
|
||||
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
// gradient y pass
|
||||
state.draw.draw_framebuffer = LUMAD.fbo.handle;
|
||||
state.draw.shader_program = gradient_y_program.handle;
|
||||
state.Apply();
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
// refine pass
|
||||
state.draw.draw_framebuffer = out_fbo.handle;
|
||||
state.draw.shader_program = refine_program.handle;
|
||||
state.Apply();
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
|
||||
cur_state.texture_units[0].texture_2d, 0);
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
|
||||
cur_state.Apply();
|
||||
}
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,45 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/texture_filter_interface.h"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
class Anime4kUltrafast : public TextureFilterInterface {
|
||||
public:
|
||||
static TextureFilterInfo GetInfo() {
|
||||
TextureFilterInfo info;
|
||||
info.name = "Anime4K Ultrafast";
|
||||
info.clamp_scale = {2, 2};
|
||||
info.constructor = std::make_unique<Anime4kUltrafast, u16>;
|
||||
return info;
|
||||
}
|
||||
|
||||
Anime4kUltrafast(u16 scale_factor);
|
||||
void scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) override;
|
||||
|
||||
private:
|
||||
OpenGLState state{};
|
||||
|
||||
OGLVertexArray vao;
|
||||
OGLFramebuffer out_fbo;
|
||||
|
||||
struct TempTex {
|
||||
OGLTexture tex;
|
||||
OGLFramebuffer fbo;
|
||||
};
|
||||
TempTex LUMAD;
|
||||
TempTex XY;
|
||||
|
||||
std::array<OGLSampler, 3> samplers;
|
||||
|
||||
OGLProgram gradient_x_program, gradient_y_program, refine_program;
|
||||
};
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,117 @@
|
|||
//? #version 330
|
||||
in vec2 tex_coord;
|
||||
in vec2 input_max;
|
||||
|
||||
out vec4 frag_color;
|
||||
|
||||
uniform sampler2D HOOKED;
|
||||
uniform sampler2DRect LUMAD;
|
||||
uniform sampler2DRect LUMAG;
|
||||
|
||||
const float LINE_DETECT_THRESHOLD = 0.4;
|
||||
const float STRENGTH = 0.6;
|
||||
|
||||
// the original shader used the alpha channel for luminance,
|
||||
// which doesn't work for our use case
|
||||
struct RGBAL {
|
||||
vec4 c;
|
||||
float l;
|
||||
};
|
||||
|
||||
vec4 getAverage(vec4 cc, vec4 a, vec4 b, vec4 c) {
|
||||
return cc * (1 - STRENGTH) + ((a + b + c) / 3) * STRENGTH;
|
||||
}
|
||||
|
||||
#define GetRGBAL(offset) \
|
||||
RGBAL(textureOffset(HOOKED, tex_coord, offset), \
|
||||
texture(LUMAD, clamp(gl_FragCoord.xy + offset, vec2(0.0), input_max)).x)
|
||||
|
||||
float min3v(float a, float b, float c) {
|
||||
return min(min(a, b), c);
|
||||
}
|
||||
|
||||
float max3v(float a, float b, float c) {
|
||||
return max(max(a, b), c);
|
||||
}
|
||||
|
||||
vec4 Compute() {
|
||||
RGBAL cc = GetRGBAL(ivec2(0));
|
||||
|
||||
if (cc.l > LINE_DETECT_THRESHOLD) {
|
||||
return cc.c;
|
||||
}
|
||||
|
||||
RGBAL tl = GetRGBAL(ivec2(-1, -1));
|
||||
RGBAL t = GetRGBAL(ivec2(0, -1));
|
||||
RGBAL tr = GetRGBAL(ivec2(1, -1));
|
||||
|
||||
RGBAL l = GetRGBAL(ivec2(-1, 0));
|
||||
|
||||
RGBAL r = GetRGBAL(ivec2(1, 0));
|
||||
|
||||
RGBAL bl = GetRGBAL(ivec2(-1, 1));
|
||||
RGBAL b = GetRGBAL(ivec2(0, 1));
|
||||
RGBAL br = GetRGBAL(ivec2(1, 1));
|
||||
|
||||
// Kernel 0 and 4
|
||||
float maxDark = max3v(br.l, b.l, bl.l);
|
||||
float minLight = min3v(tl.l, t.l, tr.l);
|
||||
|
||||
if (minLight > cc.l && minLight > maxDark) {
|
||||
return getAverage(cc.c, tl.c, t.c, tr.c);
|
||||
} else {
|
||||
maxDark = max3v(tl.l, t.l, tr.l);
|
||||
minLight = min3v(br.l, b.l, bl.l);
|
||||
if (minLight > cc.l && minLight > maxDark) {
|
||||
return getAverage(cc.c, br.c, b.c, bl.c);
|
||||
}
|
||||
}
|
||||
|
||||
// Kernel 1 and 5
|
||||
maxDark = max3v(cc.l, l.l, b.l);
|
||||
minLight = min3v(r.l, t.l, tr.l);
|
||||
|
||||
if (minLight > maxDark) {
|
||||
return getAverage(cc.c, r.c, t.c, tr.c);
|
||||
} else {
|
||||
maxDark = max3v(cc.l, r.l, t.l);
|
||||
minLight = min3v(bl.l, l.l, b.l);
|
||||
if (minLight > maxDark) {
|
||||
return getAverage(cc.c, bl.c, l.c, b.c);
|
||||
}
|
||||
}
|
||||
|
||||
// Kernel 2 and 6
|
||||
maxDark = max3v(l.l, tl.l, bl.l);
|
||||
minLight = min3v(r.l, br.l, tr.l);
|
||||
|
||||
if (minLight > cc.l && minLight > maxDark) {
|
||||
return getAverage(cc.c, r.c, br.c, tr.c);
|
||||
} else {
|
||||
maxDark = max3v(r.l, br.l, tr.l);
|
||||
minLight = min3v(l.l, tl.l, bl.l);
|
||||
if (minLight > cc.l && minLight > maxDark) {
|
||||
return getAverage(cc.c, l.c, tl.c, bl.c);
|
||||
}
|
||||
}
|
||||
|
||||
// Kernel 3 and 7
|
||||
maxDark = max3v(cc.l, l.l, t.l);
|
||||
minLight = min3v(r.l, br.l, b.l);
|
||||
|
||||
if (minLight > maxDark) {
|
||||
return getAverage(cc.c, r.c, br.c, b.c);
|
||||
} else {
|
||||
maxDark = max3v(cc.l, r.l, b.l);
|
||||
minLight = min3v(t.l, l.l, tl.l);
|
||||
if (minLight > maxDark) {
|
||||
return getAverage(cc.c, t.c, l.c, tl.c);
|
||||
}
|
||||
}
|
||||
|
||||
return cc.c;
|
||||
}
|
||||
|
||||
void main() {
|
||||
frag_color = Compute();
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
//? #version 330
|
||||
out vec2 tex_coord;
|
||||
out vec2 input_max;
|
||||
|
||||
uniform sampler2D HOOKED;
|
||||
|
||||
const vec2 vertices[4] =
|
||||
vec2[4](vec2(-1.0, -1.0), vec2(1.0, -1.0), vec2(-1.0, 1.0), vec2(1.0, 1.0));
|
||||
|
||||
void main() {
|
||||
gl_Position = vec4(vertices[gl_VertexID], 0.0, 1.0);
|
||||
tex_coord = (vertices[gl_VertexID] + 1.0) / 2.0;
|
||||
input_max = textureSize(HOOKED, 0) * 2.0 - 1.0;
|
||||
}
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
//? #version 330
|
||||
in vec2 tex_coord;
|
||||
|
||||
out vec2 frag_color;
|
||||
|
||||
uniform sampler2D tex_input;
|
||||
|
||||
const vec3 K = vec3(0.2627, 0.6780, 0.0593);
|
||||
// TODO: improve handling of alpha channel
|
||||
#define GetLum(xoffset) dot(K, textureOffset(tex_input, tex_coord, ivec2(xoffset, 0)).rgb)
|
||||
|
||||
void main() {
|
||||
float l = GetLum(-1);
|
||||
float c = GetLum(0);
|
||||
float r = GetLum(1);
|
||||
|
||||
frag_color = vec2(r - l, l + 2.0 * c + r);
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
//? #version 330
|
||||
in vec2 input_max;
|
||||
|
||||
out float frag_color;
|
||||
|
||||
uniform sampler2DRect tex_input;
|
||||
|
||||
void main() {
|
||||
vec2 t = texture(tex_input, min(gl_FragCoord.xy + vec2(0.0, 1.0), input_max)).xy;
|
||||
vec2 c = texture(tex_input, gl_FragCoord.xy).xy;
|
||||
vec2 b = texture(tex_input, max(gl_FragCoord.xy - vec2(0.0, 1.0), vec2(0.0))).xy;
|
||||
|
||||
vec2 grad = vec2(t.x + 2 * c.x + b.x, b.y - t.y);
|
||||
|
||||
frag_color = 1 - length(grad);
|
||||
}
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
//? #version 330
|
||||
out vec2 input_max;
|
||||
|
||||
uniform sampler2D tex_size;
|
||||
|
||||
const vec2 vertices[4] =
|
||||
vec2[4](vec2(-1.0, -1.0), vec2(1.0, -1.0), vec2(-1.0, 1.0), vec2(1.0, 1.0));
|
||||
|
||||
void main() {
|
||||
gl_Position = vec4(vertices[gl_VertexID], 0.0, 1.0);
|
||||
input_max = textureSize(tex_size, 0) * 2 - 1;
|
||||
}
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
// Copyright 2020 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/bicubic/bicubic.h"
|
||||
|
||||
#include "shaders/bicubic.frag"
|
||||
#include "shaders/tex_coord.vert"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
Bicubic::Bicubic(u16 scale_factor) : TextureFilterInterface(scale_factor) {
|
||||
program.Create(tex_coord_vert.data(), bicubic_frag.data());
|
||||
vao.Create();
|
||||
draw_fbo.Create();
|
||||
src_sampler.Create();
|
||||
|
||||
state.draw.shader_program = program.handle;
|
||||
state.draw.vertex_array = vao.handle;
|
||||
state.draw.shader_program = program.handle;
|
||||
state.draw.draw_framebuffer = draw_fbo.handle;
|
||||
state.texture_units[0].sampler = src_sampler.handle;
|
||||
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
}
|
||||
|
||||
void Bicubic::scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) {
|
||||
const OpenGLState cur_state = OpenGLState::GetCurState();
|
||||
|
||||
OGLTexture src_tex;
|
||||
src_tex.Create();
|
||||
state.texture_units[0].texture_2d = src_tex.handle;
|
||||
|
||||
state.viewport = RectToViewport(rect);
|
||||
state.Apply();
|
||||
|
||||
const FormatTuple tuple = GetFormatTuple(surface.pixel_format);
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(surface.stride));
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format, rect.GetWidth(), rect.GetHeight(), 0,
|
||||
tuple.format, tuple.type, &surface.gl_buffer[buffer_offset]);
|
||||
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
|
||||
cur_state.texture_units[0].texture_2d, 0);
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, NULL, 0);
|
||||
|
||||
cur_state.Apply();
|
||||
}
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
//? #version 330
|
||||
in vec2 tex_coord;
|
||||
|
||||
out vec4 frag_color;
|
||||
|
||||
uniform sampler2D input_texture;
|
||||
|
||||
// from http://www.java-gaming.org/index.php?topic=35123.0
|
||||
vec4 cubic(float v) {
|
||||
vec4 n = vec4(1.0, 2.0, 3.0, 4.0) - v;
|
||||
vec4 s = n * n * n;
|
||||
float x = s.x;
|
||||
float y = s.y - 4.0 * s.x;
|
||||
float z = s.z - 4.0 * s.y + 6.0 * s.x;
|
||||
float w = 6.0 - x - y - z;
|
||||
return vec4(x, y, z, w) * (1.0 / 6.0);
|
||||
}
|
||||
|
||||
vec4 textureBicubic(sampler2D sampler, vec2 texCoords) {
|
||||
|
||||
vec2 texSize = textureSize(sampler, 0);
|
||||
vec2 invTexSize = 1.0 / texSize;
|
||||
|
||||
texCoords = texCoords * texSize - 0.5;
|
||||
|
||||
vec2 fxy = fract(texCoords);
|
||||
texCoords -= fxy;
|
||||
|
||||
vec4 xcubic = cubic(fxy.x);
|
||||
vec4 ycubic = cubic(fxy.y);
|
||||
|
||||
vec4 c = texCoords.xxyy + vec2(-0.5, +1.5).xyxy;
|
||||
|
||||
vec4 s = vec4(xcubic.xz + xcubic.yw, ycubic.xz + ycubic.yw);
|
||||
vec4 offset = c + vec4(xcubic.yw, ycubic.yw) / s;
|
||||
|
||||
offset *= invTexSize.xxyy;
|
||||
|
||||
vec4 sample0 = texture(sampler, offset.xz);
|
||||
vec4 sample1 = texture(sampler, offset.yz);
|
||||
vec4 sample2 = texture(sampler, offset.xw);
|
||||
vec4 sample3 = texture(sampler, offset.yw);
|
||||
|
||||
float sx = s.x / (s.x + s.y);
|
||||
float sy = s.z / (s.z + s.w);
|
||||
|
||||
return mix(mix(sample3, sample2, sx), mix(sample1, sample0, sx), sy);
|
||||
}
|
||||
|
||||
void main() {
|
||||
frag_color = textureBicubic(input_texture, tex_coord);
|
||||
}
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
// Copyright 2020 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/texture_filter_interface.h"
|
||||
|
||||
namespace OpenGL {
|
||||
class Bicubic : public TextureFilterInterface {
|
||||
public:
|
||||
static TextureFilterInfo GetInfo() {
|
||||
TextureFilterInfo info;
|
||||
info.name = "Bicubic";
|
||||
info.constructor = std::make_unique<Bicubic, u16>;
|
||||
return info;
|
||||
}
|
||||
|
||||
Bicubic(u16 scale_factor);
|
||||
void scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) override;
|
||||
|
||||
private:
|
||||
OpenGLState state{};
|
||||
OGLProgram program{};
|
||||
OGLVertexArray vao{};
|
||||
OGLFramebuffer draw_fbo{};
|
||||
OGLSampler src_sampler{};
|
||||
};
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
//? #version 330
|
||||
out vec2 tex_coord;
|
||||
|
||||
const vec2 vertices[4] =
|
||||
vec2[4](vec2(-1.0, -1.0), vec2(1.0, -1.0), vec2(-1.0, 1.0), vec2(1.0, 1.0));
|
||||
|
||||
void main() {
|
||||
gl_Position = vec4(vertices[gl_VertexID], 0.0, 1.0);
|
||||
tex_coord = (vertices[gl_VertexID] + 1.0) / 2.0;
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <functional>
|
||||
#include <string_view>
|
||||
#include "common/common_types.h"
|
||||
#include "common/math_util.h"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
struct CachedSurface;
|
||||
struct Viewport;
|
||||
|
||||
class TextureFilterInterface {
|
||||
public:
|
||||
const u16 scale_factor{};
|
||||
TextureFilterInterface(u16 scale_factor) : scale_factor{scale_factor} {}
|
||||
virtual void scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) = 0;
|
||||
virtual ~TextureFilterInterface() = default;
|
||||
|
||||
protected:
|
||||
Viewport RectToViewport(const Common::Rectangle<u32>& rect);
|
||||
};
|
||||
|
||||
// every texture filter should have a static GetInfo function
|
||||
struct TextureFilterInfo {
|
||||
std::string_view name;
|
||||
struct {
|
||||
u16 min, max;
|
||||
} clamp_scale{1, 10};
|
||||
std::function<std::unique_ptr<TextureFilterInterface>(u16 scale_factor)> constructor;
|
||||
};
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,89 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/logging/log.h"
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/anime4k/anime4k_ultrafast.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/bicubic/bicubic.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/texture_filter_manager.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/xbrz/xbrz_freescale.h"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
Viewport TextureFilterInterface::RectToViewport(const Common::Rectangle<u32>& rect) {
|
||||
return {
|
||||
static_cast<GLint>(rect.left) * scale_factor,
|
||||
static_cast<GLint>(rect.top) * scale_factor,
|
||||
static_cast<GLsizei>(rect.GetWidth()) * scale_factor,
|
||||
static_cast<GLsizei>(rect.GetHeight()) * scale_factor,
|
||||
};
|
||||
}
|
||||
|
||||
namespace {
|
||||
template <typename T>
|
||||
std::pair<std::string_view, TextureFilterInfo> FilterMapPair() {
|
||||
return {T::GetInfo().name, T::GetInfo()};
|
||||
};
|
||||
|
||||
struct NoFilter {
|
||||
static TextureFilterInfo GetInfo() {
|
||||
TextureFilterInfo info;
|
||||
info.name = TextureFilterManager::NONE;
|
||||
info.clamp_scale = {1, 1};
|
||||
info.constructor = [](u16) { return nullptr; };
|
||||
return info;
|
||||
}
|
||||
};
|
||||
} // namespace
|
||||
|
||||
const std::map<std::string_view, TextureFilterInfo, TextureFilterManager::FilterNameComp>&
|
||||
TextureFilterManager::TextureFilterMap() {
|
||||
static const std::map<std::string_view, TextureFilterInfo, FilterNameComp> filter_map{
|
||||
FilterMapPair<NoFilter>(),
|
||||
FilterMapPair<Anime4kUltrafast>(),
|
||||
FilterMapPair<Bicubic>(),
|
||||
FilterMapPair<XbrzFreescale>(),
|
||||
};
|
||||
return filter_map;
|
||||
}
|
||||
|
||||
void TextureFilterManager::SetTextureFilter(std::string filter_name, u16 new_scale_factor) {
|
||||
if (name == filter_name && scale_factor == new_scale_factor)
|
||||
return;
|
||||
std::lock_guard<std::mutex> lock{mutex};
|
||||
name = std::move(filter_name);
|
||||
scale_factor = new_scale_factor;
|
||||
updated = true;
|
||||
}
|
||||
|
||||
TextureFilterInterface* TextureFilterManager::GetTextureFilter() const {
|
||||
return filter.get();
|
||||
}
|
||||
|
||||
bool TextureFilterManager::IsUpdated() const {
|
||||
return updated;
|
||||
}
|
||||
|
||||
void TextureFilterManager::Reset() {
|
||||
std::lock_guard<std::mutex> lock{mutex};
|
||||
updated = false;
|
||||
auto iter = TextureFilterMap().find(name);
|
||||
if (iter == TextureFilterMap().end()) {
|
||||
LOG_ERROR(Render_OpenGL, "Invalid texture filter: {}", name);
|
||||
filter = nullptr;
|
||||
return;
|
||||
}
|
||||
|
||||
const auto& filter_info = iter->second;
|
||||
|
||||
u16 clamped_scale =
|
||||
std::clamp(scale_factor, filter_info.clamp_scale.min, filter_info.clamp_scale.max);
|
||||
if (clamped_scale != scale_factor)
|
||||
LOG_ERROR(Render_OpenGL, "Invalid scale factor {} for texture filter {}, clamped to {}",
|
||||
scale_factor, filter_info.name, clamped_scale);
|
||||
|
||||
filter = filter_info.constructor(clamped_scale);
|
||||
}
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,55 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <atomic>
|
||||
#include <map>
|
||||
#include <memory>
|
||||
#include <mutex>
|
||||
#include <string_view>
|
||||
#include <tuple>
|
||||
#include "video_core/renderer_opengl/texture_filters/texture_filter_interface.h"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
class TextureFilterManager {
|
||||
public:
|
||||
static constexpr std::string_view NONE = "none";
|
||||
struct FilterNameComp {
|
||||
bool operator()(const std::string_view a, const std::string_view b) const {
|
||||
bool na = a == NONE;
|
||||
bool nb = b == NONE;
|
||||
if (na | nb)
|
||||
return na & !nb;
|
||||
return a < b;
|
||||
}
|
||||
};
|
||||
// function ensures map is initialized before use
|
||||
static const std::map<std::string_view, TextureFilterInfo, FilterNameComp>& TextureFilterMap();
|
||||
|
||||
static TextureFilterManager& GetInstance() {
|
||||
static TextureFilterManager singleton;
|
||||
return singleton;
|
||||
}
|
||||
|
||||
void Destroy() {
|
||||
filter.reset();
|
||||
}
|
||||
void SetTextureFilter(std::string filter_name, u16 new_scale_factor);
|
||||
TextureFilterInterface* GetTextureFilter() const;
|
||||
// returns true if filter has been changed and a cache reset is needed
|
||||
bool IsUpdated() const;
|
||||
void Reset();
|
||||
|
||||
private:
|
||||
std::atomic<bool> updated{false};
|
||||
std::mutex mutex;
|
||||
std::string name{"none"};
|
||||
u16 scale_factor{1};
|
||||
|
||||
std::unique_ptr<TextureFilterInterface> filter;
|
||||
};
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,100 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
// adapted from
|
||||
// https://github.com/libretro/glsl-shaders/blob/d7a8b8eb2a61a5732da4cbe2e0f9ad30600c3f17/xbrz/shaders/xbrz-freescale.glsl
|
||||
|
||||
// xBRZ freescale
|
||||
// based on :
|
||||
// 4xBRZ shader - Copyright (C) 2014-2016 DeSmuME team
|
||||
//
|
||||
// This file is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, either version 2 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// This file is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with the this software. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// Hyllian's xBR-vertex code and texel mapping
|
||||
// Copyright (C) 2011/2016 Hyllian - sergiogdb@gmail.com
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
|
||||
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/xbrz/xbrz_freescale.h"
|
||||
|
||||
#include "shaders/xbrz_freescale.frag"
|
||||
#include "shaders/xbrz_freescale.vert"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
XbrzFreescale::XbrzFreescale(u16 scale_factor) : TextureFilterInterface(scale_factor) {
|
||||
const OpenGLState cur_state = OpenGLState::GetCurState();
|
||||
|
||||
program.Create(xbrz_freescale_vert.data(), xbrz_freescale_frag.data());
|
||||
vao.Create();
|
||||
draw_fbo.Create();
|
||||
src_sampler.Create();
|
||||
|
||||
state.draw.shader_program = program.handle;
|
||||
state.Apply();
|
||||
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glSamplerParameteri(src_sampler.handle, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
glUniform1f(glGetUniformLocation(program.handle, "scale"), static_cast<GLfloat>(scale_factor));
|
||||
|
||||
cur_state.Apply();
|
||||
state.draw.vertex_array = vao.handle;
|
||||
state.draw.shader_program = program.handle;
|
||||
state.draw.draw_framebuffer = draw_fbo.handle;
|
||||
state.texture_units[0].sampler = src_sampler.handle;
|
||||
}
|
||||
|
||||
void XbrzFreescale::scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) {
|
||||
const OpenGLState cur_state = OpenGLState::GetCurState();
|
||||
|
||||
OGLTexture src_tex;
|
||||
src_tex.Create();
|
||||
state.texture_units[0].texture_2d = src_tex.handle;
|
||||
|
||||
state.viewport = RectToViewport(rect);
|
||||
state.Apply();
|
||||
|
||||
const FormatTuple tuple = GetFormatTuple(surface.pixel_format);
|
||||
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(surface.stride));
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format, rect.GetWidth(), rect.GetHeight(), 0,
|
||||
tuple.format, tuple.type, &surface.gl_buffer[buffer_offset]);
|
||||
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
|
||||
cur_state.texture_units[0].texture_2d, 0);
|
||||
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
||||
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, NULL, 0);
|
||||
|
||||
cur_state.Apply();
|
||||
}
|
||||
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,242 @@
|
|||
//? #version 330
|
||||
in vec2 tex_coord;
|
||||
in vec2 source_size;
|
||||
in vec2 output_size;
|
||||
|
||||
out vec4 frag_color;
|
||||
|
||||
uniform sampler2D tex;
|
||||
uniform float scale;
|
||||
|
||||
const int BLEND_NONE = 0;
|
||||
const int BLEND_NORMAL = 1;
|
||||
const int BLEND_DOMINANT = 2;
|
||||
const float LUMINANCE_WEIGHT = 1.0;
|
||||
const float EQUAL_COLOR_TOLERANCE = 30.0 / 255.0;
|
||||
const float STEEP_DIRECTION_THRESHOLD = 2.2;
|
||||
const float DOMINANT_DIRECTION_THRESHOLD = 3.6;
|
||||
|
||||
float ColorDist(vec4 a, vec4 b) {
|
||||
// https://en.wikipedia.org/wiki/YCbCr#ITU-R_BT.2020_conversion
|
||||
const vec3 K = vec3(0.2627, 0.6780, 0.0593);
|
||||
const mat3 MATRIX = mat3(K, -.5 * K.r / (1.0 - K.b), -.5 * K.g / (1.0 - K.b), .5, .5,
|
||||
-.5 * K.g / (1.0 - K.r), -.5 * K.b / (1.0 - K.r));
|
||||
vec4 diff = a - b;
|
||||
vec3 YCbCr = diff.rgb * MATRIX;
|
||||
// LUMINANCE_WEIGHT is currently 1, otherwise y would be multiplied by it
|
||||
float d = length(YCbCr);
|
||||
return sqrt(a.a * b.a * d * d + diff.a * diff.a);
|
||||
}
|
||||
|
||||
bool IsPixEqual(const vec4 pixA, const vec4 pixB) {
|
||||
return ColorDist(pixA, pixB) < EQUAL_COLOR_TOLERANCE;
|
||||
}
|
||||
|
||||
float GetLeftRatio(vec2 center, vec2 origin, vec2 direction) {
|
||||
vec2 P0 = center - origin;
|
||||
vec2 proj = direction * (dot(P0, direction) / dot(direction, direction));
|
||||
vec2 distv = P0 - proj;
|
||||
vec2 orth = vec2(-direction.y, direction.x);
|
||||
float side = sign(dot(P0, orth));
|
||||
float v = side * length(distv * scale);
|
||||
return smoothstep(-sqrt(2.0) / 2.0, sqrt(2.0) / 2.0, v);
|
||||
}
|
||||
|
||||
vec2 pos = fract(tex_coord * source_size) - vec2(0.5, 0.5);
|
||||
vec2 coord = tex_coord - pos / source_size;
|
||||
|
||||
#define P(x, y) textureOffset(tex, coord, ivec2(x, y))
|
||||
|
||||
void main() {
|
||||
//---------------------------------------
|
||||
// Input Pixel Mapping: -|x|x|x|-
|
||||
// x|A|B|C|x
|
||||
// x|D|E|F|x
|
||||
// x|G|H|I|x
|
||||
// -|x|x|x|-
|
||||
vec4 A = P(-1, -1);
|
||||
vec4 B = P(0, -1);
|
||||
vec4 C = P(1, -1);
|
||||
vec4 D = P(-1, 0);
|
||||
vec4 E = P(0, 0);
|
||||
vec4 F = P(1, 0);
|
||||
vec4 G = P(-1, 1);
|
||||
vec4 H = P(0, 1);
|
||||
vec4 I = P(1, 1);
|
||||
// blendResult Mapping: x|y|
|
||||
// w|z|
|
||||
ivec4 blendResult = ivec4(BLEND_NONE, BLEND_NONE, BLEND_NONE, BLEND_NONE);
|
||||
// Preprocess corners
|
||||
// Pixel Tap Mapping: -|-|-|-|-
|
||||
// -|-|B|C|-
|
||||
// -|D|E|F|x
|
||||
// -|G|H|I|x
|
||||
// -|-|x|x|-
|
||||
if (!((E == F && H == I) || (E == H && F == I))) {
|
||||
float dist_H_F = ColorDist(G, E) + ColorDist(E, C) + ColorDist(P(0, 2), I) +
|
||||
ColorDist(I, P(2, 0)) + (4.0 * ColorDist(H, F));
|
||||
float dist_E_I = ColorDist(D, H) + ColorDist(H, P(1, 2)) + ColorDist(B, F) +
|
||||
ColorDist(F, P(2, 1)) + (4.0 * ColorDist(E, I));
|
||||
bool dominantGradient = (DOMINANT_DIRECTION_THRESHOLD * dist_H_F) < dist_E_I;
|
||||
blendResult.z = ((dist_H_F < dist_E_I) && E != F && E != H)
|
||||
? ((dominantGradient) ? BLEND_DOMINANT : BLEND_NORMAL)
|
||||
: BLEND_NONE;
|
||||
}
|
||||
// Pixel Tap Mapping: -|-|-|-|-
|
||||
// -|A|B|-|-
|
||||
// x|D|E|F|-
|
||||
// x|G|H|I|-
|
||||
// -|x|x|-|-
|
||||
if (!((D == E && G == H) || (D == G && E == H))) {
|
||||
float dist_G_E = ColorDist(P(-2, 1), D) + ColorDist(D, B) + ColorDist(P(-1, 2), H) +
|
||||
ColorDist(H, F) + (4.0 * ColorDist(G, E));
|
||||
float dist_D_H = ColorDist(P(-2, 0), G) + ColorDist(G, P(0, 2)) + ColorDist(A, E) +
|
||||
ColorDist(E, I) + (4.0 * ColorDist(D, H));
|
||||
bool dominantGradient = (DOMINANT_DIRECTION_THRESHOLD * dist_D_H) < dist_G_E;
|
||||
blendResult.w = ((dist_G_E > dist_D_H) && E != D && E != H)
|
||||
? ((dominantGradient) ? BLEND_DOMINANT : BLEND_NORMAL)
|
||||
: BLEND_NONE;
|
||||
}
|
||||
// Pixel Tap Mapping: -|-|x|x|-
|
||||
// -|A|B|C|x
|
||||
// -|D|E|F|x
|
||||
// -|-|H|I|-
|
||||
// -|-|-|-|-
|
||||
if (!((B == C && E == F) || (B == E && C == F))) {
|
||||
float dist_E_C = ColorDist(D, B) + ColorDist(B, P(1, -2)) + ColorDist(H, F) +
|
||||
ColorDist(F, P(2, -1)) + (4.0 * ColorDist(E, C));
|
||||
float dist_B_F = ColorDist(A, E) + ColorDist(E, I) + ColorDist(P(0, -2), C) +
|
||||
ColorDist(C, P(2, 0)) + (4.0 * ColorDist(B, F));
|
||||
bool dominantGradient = (DOMINANT_DIRECTION_THRESHOLD * dist_B_F) < dist_E_C;
|
||||
blendResult.y = ((dist_E_C > dist_B_F) && E != B && E != F)
|
||||
? ((dominantGradient) ? BLEND_DOMINANT : BLEND_NORMAL)
|
||||
: BLEND_NONE;
|
||||
}
|
||||
// Pixel Tap Mapping: -|x|x|-|-
|
||||
// x|A|B|C|-
|
||||
// x|D|E|F|-
|
||||
// -|G|H|-|-
|
||||
// -|-|-|-|-
|
||||
if (!((A == B && D == E) || (A == D && B == E))) {
|
||||
float dist_D_B = ColorDist(P(-2, 0), A) + ColorDist(A, P(0, -2)) + ColorDist(G, E) +
|
||||
ColorDist(E, C) + (4.0 * ColorDist(D, B));
|
||||
float dist_A_E = ColorDist(P(-2, -1), D) + ColorDist(D, H) + ColorDist(P(-1, -2), B) +
|
||||
ColorDist(B, F) + (4.0 * ColorDist(A, E));
|
||||
bool dominantGradient = (DOMINANT_DIRECTION_THRESHOLD * dist_D_B) < dist_A_E;
|
||||
blendResult.x = ((dist_D_B < dist_A_E) && E != D && E != B)
|
||||
? ((dominantGradient) ? BLEND_DOMINANT : BLEND_NORMAL)
|
||||
: BLEND_NONE;
|
||||
}
|
||||
vec4 res = E;
|
||||
// Pixel Tap Mapping: -|-|-|-|-
|
||||
// -|-|B|C|-
|
||||
// -|D|E|F|x
|
||||
// -|G|H|I|x
|
||||
// -|-|x|x|-
|
||||
if (blendResult.z != BLEND_NONE) {
|
||||
float dist_F_G = ColorDist(F, G);
|
||||
float dist_H_C = ColorDist(H, C);
|
||||
bool doLineBlend = (blendResult.z == BLEND_DOMINANT ||
|
||||
!((blendResult.y != BLEND_NONE && !IsPixEqual(E, G)) ||
|
||||
(blendResult.w != BLEND_NONE && !IsPixEqual(E, C)) ||
|
||||
(IsPixEqual(G, H) && IsPixEqual(H, I) && IsPixEqual(I, F) &&
|
||||
IsPixEqual(F, C) && !IsPixEqual(E, I))));
|
||||
vec2 origin = vec2(0.0, 1.0 / sqrt(2.0));
|
||||
ivec2 direction = ivec2(1, -1);
|
||||
if (doLineBlend) {
|
||||
bool haveShallowLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_F_G <= dist_H_C) && E != G && D != G;
|
||||
bool haveSteepLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_H_C <= dist_F_G) && E != C && B != C;
|
||||
origin = haveShallowLine ? vec2(0.0, 0.25) : vec2(0.0, 0.5);
|
||||
direction.x += haveShallowLine ? 1 : 0;
|
||||
direction.y -= haveSteepLine ? 1 : 0;
|
||||
}
|
||||
vec4 blendPix = mix(H, F, step(ColorDist(E, F), ColorDist(E, H)));
|
||||
res = mix(res, blendPix, GetLeftRatio(pos, origin, direction));
|
||||
}
|
||||
// Pixel Tap Mapping: -|-|-|-|-
|
||||
// -|A|B|-|-
|
||||
// x|D|E|F|-
|
||||
// x|G|H|I|-
|
||||
// -|x|x|-|-
|
||||
if (blendResult.w != BLEND_NONE) {
|
||||
float dist_H_A = ColorDist(H, A);
|
||||
float dist_D_I = ColorDist(D, I);
|
||||
bool doLineBlend = (blendResult.w == BLEND_DOMINANT ||
|
||||
!((blendResult.z != BLEND_NONE && !IsPixEqual(E, A)) ||
|
||||
(blendResult.x != BLEND_NONE && !IsPixEqual(E, I)) ||
|
||||
(IsPixEqual(A, D) && IsPixEqual(D, G) && IsPixEqual(G, H) &&
|
||||
IsPixEqual(H, I) && !IsPixEqual(E, G))));
|
||||
vec2 origin = vec2(-1.0 / sqrt(2.0), 0.0);
|
||||
ivec2 direction = ivec2(1, 1);
|
||||
if (doLineBlend) {
|
||||
bool haveShallowLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_H_A <= dist_D_I) && E != A && B != A;
|
||||
bool haveSteepLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_D_I <= dist_H_A) && E != I && F != I;
|
||||
origin = haveShallowLine ? vec2(-0.25, 0.0) : vec2(-0.5, 0.0);
|
||||
direction.y += haveShallowLine ? 1 : 0;
|
||||
direction.x += haveSteepLine ? 1 : 0;
|
||||
}
|
||||
origin = origin;
|
||||
direction = direction;
|
||||
vec4 blendPix = mix(H, D, step(ColorDist(E, D), ColorDist(E, H)));
|
||||
res = mix(res, blendPix, GetLeftRatio(pos, origin, direction));
|
||||
}
|
||||
// Pixel Tap Mapping: -|-|x|x|-
|
||||
// -|A|B|C|x
|
||||
// -|D|E|F|x
|
||||
// -|-|H|I|-
|
||||
// -|-|-|-|-
|
||||
if (blendResult.y != BLEND_NONE) {
|
||||
float dist_B_I = ColorDist(B, I);
|
||||
float dist_F_A = ColorDist(F, A);
|
||||
bool doLineBlend = (blendResult.y == BLEND_DOMINANT ||
|
||||
!((blendResult.x != BLEND_NONE && !IsPixEqual(E, I)) ||
|
||||
(blendResult.z != BLEND_NONE && !IsPixEqual(E, A)) ||
|
||||
(IsPixEqual(I, F) && IsPixEqual(F, C) && IsPixEqual(C, B) &&
|
||||
IsPixEqual(B, A) && !IsPixEqual(E, C))));
|
||||
vec2 origin = vec2(1.0 / sqrt(2.0), 0.0);
|
||||
ivec2 direction = ivec2(-1, -1);
|
||||
if (doLineBlend) {
|
||||
bool haveShallowLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_B_I <= dist_F_A) && E != I && H != I;
|
||||
bool haveSteepLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_F_A <= dist_B_I) && E != A && D != A;
|
||||
origin = haveShallowLine ? vec2(0.25, 0.0) : vec2(0.5, 0.0);
|
||||
direction.y -= haveShallowLine ? 1 : 0;
|
||||
direction.x -= haveSteepLine ? 1 : 0;
|
||||
}
|
||||
vec4 blendPix = mix(F, B, step(ColorDist(E, B), ColorDist(E, F)));
|
||||
res = mix(res, blendPix, GetLeftRatio(pos, origin, direction));
|
||||
}
|
||||
// Pixel Tap Mapping: -|x|x|-|-
|
||||
// x|A|B|C|-
|
||||
// x|D|E|F|-
|
||||
// -|G|H|-|-
|
||||
// -|-|-|-|-
|
||||
if (blendResult.x != BLEND_NONE) {
|
||||
float dist_D_C = ColorDist(D, C);
|
||||
float dist_B_G = ColorDist(B, G);
|
||||
bool doLineBlend = (blendResult.x == BLEND_DOMINANT ||
|
||||
!((blendResult.w != BLEND_NONE && !IsPixEqual(E, C)) ||
|
||||
(blendResult.y != BLEND_NONE && !IsPixEqual(E, G)) ||
|
||||
(IsPixEqual(C, B) && IsPixEqual(B, A) && IsPixEqual(A, D) &&
|
||||
IsPixEqual(D, G) && !IsPixEqual(E, A))));
|
||||
vec2 origin = vec2(0.0, -1.0 / sqrt(2.0));
|
||||
ivec2 direction = ivec2(-1, 1);
|
||||
if (doLineBlend) {
|
||||
bool haveShallowLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_D_C <= dist_B_G) && E != C && F != C;
|
||||
bool haveSteepLine =
|
||||
(STEEP_DIRECTION_THRESHOLD * dist_B_G <= dist_D_C) && E != G && H != G;
|
||||
origin = haveShallowLine ? vec2(0.0, -0.25) : vec2(0.0, -0.5);
|
||||
direction.x -= haveShallowLine ? 1 : 0;
|
||||
direction.y += haveSteepLine ? 1 : 0;
|
||||
}
|
||||
vec4 blendPix = mix(D, B, step(ColorDist(E, B), ColorDist(E, D)));
|
||||
res = mix(res, blendPix, GetLeftRatio(pos, origin, direction));
|
||||
}
|
||||
frag_color = res;
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
// Copyright 2019 Citra Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
||||
#include "video_core/renderer_opengl/gl_state.h"
|
||||
#include "video_core/renderer_opengl/texture_filters/texture_filter_interface.h"
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
class XbrzFreescale : public TextureFilterInterface {
|
||||
public:
|
||||
static TextureFilterInfo GetInfo() {
|
||||
TextureFilterInfo info;
|
||||
info.name = "xBRZ freescale";
|
||||
info.constructor = std::make_unique<XbrzFreescale, u16>;
|
||||
return info;
|
||||
}
|
||||
|
||||
XbrzFreescale(u16 scale_factor);
|
||||
void scale(CachedSurface& surface, const Common::Rectangle<u32>& rect,
|
||||
std::size_t buffer_offset) override;
|
||||
|
||||
private:
|
||||
OpenGLState state{};
|
||||
OGLProgram program{};
|
||||
OGLVertexArray vao{};
|
||||
OGLFramebuffer draw_fbo{};
|
||||
OGLSampler src_sampler{};
|
||||
};
|
||||
} // namespace OpenGL
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
//? #version 330
|
||||
out vec2 tex_coord;
|
||||
out vec2 source_size;
|
||||
out vec2 output_size;
|
||||
|
||||
uniform sampler2D tex;
|
||||
uniform float scale;
|
||||
|
||||
const vec2 vertices[4] =
|
||||
vec2[4](vec2(-1.0, -1.0), vec2(1.0, -1.0), vec2(-1.0, 1.0), vec2(1.0, 1.0));
|
||||
|
||||
void main() {
|
||||
gl_Position = vec4(vertices[gl_VertexID], 0.0, 1.0);
|
||||
tex_coord = (vertices[gl_VertexID] + 1.0) / 2.0;
|
||||
source_size = textureSize(tex, 0);
|
||||
output_size = source_size * scale;
|
||||
}
|
||||
|
|
@ -57,6 +57,7 @@ ResultStatus Init(Frontend::EmuWindow& emu_window, Memory::MemorySystem& memory)
|
|||
void Shutdown() {
|
||||
Pica::Shutdown();
|
||||
|
||||
g_renderer->ShutDown();
|
||||
g_renderer.reset();
|
||||
|
||||
LOG_DEBUG(Render, "shutdown OK");
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue