1 files changed, 96 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_blit_screen.cpp b/src/video_core/renderer_opengl/gl_blit_screen.cpp
new file mode 100644
index 000000000..6ba8b214b
--- /dev/null
+++ b/src/video_core/renderer_opengl/gl_blit_screen.cpp
@@ -0,0 +1,96 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/settings.h"
+#include "video_core/renderer_opengl/gl_blit_screen.h"
+#include "video_core/renderer_opengl/gl_state_tracker.h"
+#include "video_core/renderer_opengl/present/filters.h"
+#include "video_core/renderer_opengl/present/layer.h"
+#include "video_core/renderer_opengl/present/window_adapt_pass.h"
+
+namespace OpenGL {
+
+BlitScreen::BlitScreen(RasterizerOpenGL& rasterizer_,
+                       Tegra::MaxwellDeviceMemoryManager& device_memory_,
+                       StateTracker& state_tracker_, ProgramManager& program_manager_,
+                       Device& device_)
+    : rasterizer(rasterizer_), device_memory(device_memory_), state_tracker(state_tracker_),
+      program_manager(program_manager_), device(device_) {}
+
+BlitScreen::~BlitScreen() = default;
+
+void BlitScreen::DrawScreen(std::span<const Tegra::FramebufferConfig> framebuffers,
+                            const Layout::FramebufferLayout& layout) {
+    // TODO: Signal state tracker about these changes
+    state_tracker.NotifyScreenDrawVertexArray();
+    state_tracker.NotifyPolygonModes();
+    state_tracker.NotifyViewport0();
+    state_tracker.NotifyScissor0();
+    state_tracker.NotifyColorMask(0);
+    state_tracker.NotifyBlend0();
+    state_tracker.NotifyFramebuffer();
+    state_tracker.NotifyFrontFace();
+    state_tracker.NotifyCullTest();
+    state_tracker.NotifyDepthTest();
+    state_tracker.NotifyStencilTest();
+    state_tracker.NotifyPolygonOffset();
+    state_tracker.NotifyRasterizeEnable();
+    state_tracker.NotifyFramebufferSRGB();
+    state_tracker.NotifyLogicOp();
+    state_tracker.NotifyClipControl();
+    state_tracker.NotifyAlphaTest();
+    state_tracker.ClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
+
+    glEnable(GL_CULL_FACE);
+    glDisable(GL_COLOR_LOGIC_OP);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_STENCIL_TEST);
+    glDisable(GL_POLYGON_OFFSET_FILL);
+    glDisable(GL_RASTERIZER_DISCARD);
+    glDisable(GL_ALPHA_TEST);
+    glDisablei(GL_BLEND, 0);
+    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    glCullFace(GL_BACK);
+    glFrontFace(GL_CW);
+    glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+    glDepthRangeIndexed(0, 0.0, 0.0);
+
+    while (layers.size() < framebuffers.size()) {
+        layers.emplace_back(rasterizer, device_memory);
+    }
+
+    CreateWindowAdapt();
+    window_adapt->DrawToFramebuffer(program_manager, layers, framebuffers, layout);
+
+    // TODO
+    // program_manager.RestoreGuestPipeline();
+}
+
+void BlitScreen::CreateWindowAdapt() {
+    if (window_adapt && Settings::values.scaling_filter.GetValue() == current_window_adapt) {
+        return;
+    }
+
+    current_window_adapt = Settings::values.scaling_filter.GetValue();
+    switch (current_window_adapt) {
+    case Settings::ScalingFilter::NearestNeighbor:
+        window_adapt = MakeNearestNeighbor(device);
+        break;
+    case Settings::ScalingFilter::Bicubic:
+        window_adapt = MakeBicubic(device);
+        break;
+    case Settings::ScalingFilter::Gaussian:
+        window_adapt = MakeGaussian(device);
+        break;
+    case Settings::ScalingFilter::ScaleForce:
+        window_adapt = MakeScaleForce(device);
+        break;
+    case Settings::ScalingFilter::Fsr:
+    case Settings::ScalingFilter::Bilinear:
+    default:
+        window_adapt = MakeBilinear(device);
+        break;
+    }
+}
+
+} // namespace OpenGL