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Code Issues Releases Wiki Activity

vi: Partially implement buffer crop parameters.

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This commit is contained in:
bunnei
2018-07-17 20:11:41 -04:00
parent 8e28af6f89
commit c3dd456d51
9 changed files with 46 additions and 14 deletions
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1
src/video_core/gpu.h
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@@ -67,6 +67,7 @@ struct FramebufferConfig {
using TransformFlags = Service::NVFlinger::BufferQueue::BufferTransformFlags;
TransformFlags transform_flags;
MathUtil::Rectangle<int> crop_rect;
};
namespace Engines {

22
src/video_core/renderer_opengl/renderer_opengl.cpp
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@@ -154,6 +154,7 @@ void RendererOpenGL::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuf
// Framebuffer orientation handling
framebuffer_transform_flags = framebuffer.transform_flags;
framebuffer_crop_rect = framebuffer.crop_rect;
// Ensure no bad interactions with GL_UNPACK_ALIGNMENT, which by default
// only allows rows to have a memory alignement of 4.
@@ -320,11 +321,24 @@ void RendererOpenGL::DrawScreenTriangles(const ScreenInfo& screen_info, float x,
}
}
ASSERT_MSG(framebuffer_crop_rect.top == 0, "Unimplemented");
ASSERT_MSG(framebuffer_crop_rect.left == 0, "Unimplemented");
// Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
// (e.g. handheld mode) on a 1920x1080 framebuffer.
f32 scale_u = 1.f, scale_v = 1.f;
if (framebuffer_crop_rect.GetWidth() > 0) {
scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) / screen_info.texture.width;
}
if (framebuffer_crop_rect.GetHeight() > 0) {
scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) / screen_info.texture.height;
}
std::array<ScreenRectVertex, 4> vertices = {{
ScreenRectVertex(x, y, texcoords.top, left),
ScreenRectVertex(x + w, y, texcoords.bottom, left),
ScreenRectVertex(x, y + h, texcoords.top, right),
ScreenRectVertex(x + w, y + h, texcoords.bottom, right),
ScreenRectVertex(x, y, texcoords.top * scale_u, left * scale_v),
ScreenRectVertex(x + w, y, texcoords.bottom * scale_u, left * scale_v),
ScreenRectVertex(x, y + h, texcoords.top * scale_u, right * scale_v),
ScreenRectVertex(x + w, y + h, texcoords.bottom * scale_u, right * scale_v),
}};
state.texture_units[0].texture_2d = screen_info.display_texture;

1
src/video_core/renderer_opengl/renderer_opengl.h
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@@ -97,4 +97,5 @@ private:
/// Used for transforming the framebuffer orientation
Tegra::FramebufferConfig::TransformFlags framebuffer_transform_flags;
MathUtil::Rectangle<int> framebuffer_crop_rect;
};