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) {