From a4f57e6910b5a0c796eecefb4b78e8d23c061393 Mon Sep 17 00:00:00 2001 From: OneUp03 Date: Fri, 16 Oct 2020 11:41:08 -0500 Subject: [PATCH] Implement Reverse Interlaced 3D --- src/citra/config.cpp | 3 +- src/citra/default_ini.h | 2 +- .../configuration/configure_enhancements.cpp | 3 +- .../configuration/configure_enhancements.ui | 5 +++ src/core/settings.h | 2 +- .../renderer_opengl/renderer_opengl.cpp | 38 ++++++++++++++++++- 6 files changed, 47 insertions(+), 6 deletions(-) diff --git a/src/citra/config.cpp b/src/citra/config.cpp index ff1068169..1fbd9d830 100644 --- a/src/citra/config.cpp +++ b/src/citra/config.cpp @@ -143,7 +143,8 @@ void Config::ReadValues() { std::string default_shader = "none (builtin)"; if (Settings::values.render_3d == Settings::StereoRenderOption::Anaglyph) default_shader = "dubois (builtin)"; - else if (Settings::values.render_3d == Settings::StereoRenderOption::Interlaced) + else if (Settings::values.render_3d == Settings::StereoRenderOption::Interlaced || + Settings::values.render_3d == Settings::StereoRenderOption::ReverseInterlaced) default_shader = "horizontal (builtin)"; Settings::values.pp_shader_name = sdl2_config->GetString("Renderer", "pp_shader_name", default_shader); diff --git a/src/citra/default_ini.h b/src/citra/default_ini.h index 77dd08a78..d28717f28 100644 --- a/src/citra/default_ini.h +++ b/src/citra/default_ini.h @@ -159,7 +159,7 @@ bg_blue = bg_green = # Whether and how Stereoscopic 3D should be rendered -# 0 (default): Off, 1: Side by Side, 2: Anaglyph, 3: Interlaced +# 0 (default): Off, 1: Side by Side, 2: Anaglyph, 3: Interlaced, 4: Reverse Interlaced render_3d = # Change 3D Intensity diff --git a/src/citra_qt/configuration/configure_enhancements.cpp b/src/citra_qt/configuration/configure_enhancements.cpp index 7af72ea77..fdec05e02 100644 --- a/src/citra_qt/configuration/configure_enhancements.cpp +++ b/src/citra_qt/configuration/configure_enhancements.cpp @@ -85,7 +85,8 @@ void ConfigureEnhancements::updateShaders(Settings::StereoRenderOption stereo_op if (stereo_option == Settings::StereoRenderOption::Anaglyph) ui->shader_combobox->addItem(QStringLiteral("dubois (builtin)")); - else if (stereo_option == Settings::StereoRenderOption::Interlaced) + else if (stereo_option == Settings::StereoRenderOption::Interlaced || + stereo_option == Settings::StereoRenderOption::ReverseInterlaced) ui->shader_combobox->addItem(QStringLiteral("horizontal (builtin)")); else ui->shader_combobox->addItem(QStringLiteral("none (builtin)")); diff --git a/src/citra_qt/configuration/configure_enhancements.ui b/src/citra_qt/configuration/configure_enhancements.ui index 909a98643..aa02d2254 100644 --- a/src/citra_qt/configuration/configure_enhancements.ui +++ b/src/citra_qt/configuration/configure_enhancements.ui @@ -171,6 +171,11 @@ Interlaced + + + Reverse Interlaced + + diff --git a/src/core/settings.h b/src/core/settings.h index 324e2c1bd..0876d312f 100644 --- a/src/core/settings.h +++ b/src/core/settings.h @@ -32,7 +32,7 @@ enum class MicInputType { Static, }; -enum class StereoRenderOption { Off, SideBySide, Anaglyph, Interlaced }; +enum class StereoRenderOption { Off, SideBySide, Anaglyph, Interlaced, ReverseInterlaced }; namespace NativeButton { enum Values { diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp index 754ce43b6..ca945b2f5 100644 --- a/src/video_core/renderer_opengl/renderer_opengl.cpp +++ b/src/video_core/renderer_opengl/renderer_opengl.cpp @@ -311,6 +311,25 @@ void main() { } )"; +static const char fragment_shader_reverse_interlaced[] = R"( + +in vec2 frag_tex_coord; +out vec4 color; + +uniform vec4 o_resolution; + +uniform sampler2D color_texture; +uniform sampler2D color_texture_r; + +void main() { + float screen_row = o_resolution.x * frag_tex_coord.x; + if (int(screen_row) % 2 == 1) + color = texture(color_texture, frag_tex_coord); + else + color = texture(color_texture_r, frag_tex_coord); +} +)"; + /** * Vertex structure that the drawn screen rectangles are composed of. */ @@ -705,6 +724,19 @@ void RendererOpenGL::ReloadShader() { shader_data += shader_text; } } + } else if (Settings::values.render_3d == Settings::StereoRenderOption::ReverseInterlaced) { + if (Settings::values.pp_shader_name == "horizontal (builtin)") { + shader_data += fragment_shader_reverse_interlaced; + } else { + std::string shader_text = + OpenGL::GetPostProcessingShaderCode(true, Settings::values.pp_shader_name); + if (shader_text.empty()) { + // Should probably provide some information that the shader couldn't load + shader_data += fragment_shader_reverse_interlaced; + } else { + shader_data += shader_text; + } + } } else { if (Settings::values.pp_shader_name == "none (builtin)") { shader_data += fragment_shader; @@ -725,7 +757,8 @@ void RendererOpenGL::ReloadShader() { uniform_modelview_matrix = glGetUniformLocation(shader.handle, "modelview_matrix"); uniform_color_texture = glGetUniformLocation(shader.handle, "color_texture"); if (Settings::values.render_3d == Settings::StereoRenderOption::Anaglyph || - Settings::values.render_3d == Settings::StereoRenderOption::Interlaced) { + Settings::values.render_3d == Settings::StereoRenderOption::Interlaced || + Settings::values.render_3d == Settings::StereoRenderOption::ReverseInterlaced) { uniform_color_texture_r = glGetUniformLocation(shader.handle, "color_texture_r"); } uniform_i_resolution = glGetUniformLocation(shader.handle, "i_resolution"); @@ -973,7 +1006,8 @@ void RendererOpenGL::DrawScreens(const Layout::FramebufferLayout& layout, bool f const bool stereo_single_screen = Settings::values.render_3d == Settings::StereoRenderOption::Anaglyph || - Settings::values.render_3d == Settings::StereoRenderOption::Interlaced; + Settings::values.render_3d == Settings::StereoRenderOption::Interlaced || + Settings::values.render_3d == Settings::StereoRenderOption::ReverseInterlaced; // Bind a second texture for the right eye if in Anaglyph mode if (stereo_single_screen) {