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-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer_cache.cpp14
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer_cache.h2
2 files changed, 12 insertions, 4 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index d3dcb9a46..0059b336a 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -933,21 +933,27 @@ Surface RasterizerCacheOpenGL::GetDepthBufferSurface(bool preserve_contents) {
}
Surface RasterizerCacheOpenGL::GetColorBufferSurface(std::size_t index, bool preserve_contents) {
- const auto& regs{Core::System::GetInstance().GPU().Maxwell3D().regs};
+ auto& gpu{Core::System::GetInstance().GPU().Maxwell3D()};
+ const auto& regs{gpu.regs};
+
+ if ((gpu.dirty_flags.color_buffer & (1u << static_cast<u32>(index))) == 0) {
+ return last_color_buffers[index];
+ }
+ gpu.dirty_flags.color_buffer &= ~(1u << static_cast<u32>(index));
ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets);
if (index >= regs.rt_control.count) {
- return {};
+ return last_color_buffers[index] = {};
}
if (regs.rt[index].Address() == 0 || regs.rt[index].format == Tegra::RenderTargetFormat::NONE) {
- return {};
+ return last_color_buffers[index] = {};
}
const SurfaceParams color_params{SurfaceParams::CreateForFramebuffer(index)};
- return GetSurface(color_params, preserve_contents);
+ return last_color_buffers[index] = GetSurface(color_params, preserve_contents);
}
void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 7223700c4..3bdd141a7 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -396,6 +396,8 @@ private:
/// Use a Pixel Buffer Object to download the previous texture and then upload it to the new one
/// using the new format.
OGLBuffer copy_pbo;
+
+ std::array<Surface, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> last_color_buffers;
};
} // namespace OpenGL