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vk_rasterizer: flip scissor y on lower left origin mode

This commit is contained in:
Liam 2024-02-22 22:06:49 -05:00
parent f9bfdb1555
commit e8ab8baa4a
1 changed files with 15 additions and 3 deletions
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18
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -125,11 +125,23 @@ VkRect2D GetScissorState(const Maxwell& regs, size_t index, u32 up_scale = 1, u3
return value < 0 ? std::min<s32>(converted_value - acumm, -1)
: std::max<s32>(converted_value + acumm, 1);
};
const bool lower_left = regs.window_origin.mode != Maxwell::WindowOrigin::Mode::UpperLeft;
const s32 clip_height = regs.surface_clip.height;
// Flip coordinates if lower left
s32 min_y = lower_left ? (clip_height - src.max_y) : src.min_y.Value();
s32 max_y = lower_left ? (clip_height - src.min_y) : src.max_y.Value();
// Bound to render area
min_y = std::max(min_y, 0);
max_y = std::max(max_y, 0);
if (src.enable) {
scissor.offset.x = scale_up(static_cast<s32>(src.min_x));
scissor.offset.y = scale_up(static_cast<s32>(src.min_y));
scissor.offset.x = scale_up(src.min_x);
scissor.offset.y = scale_up(min_y);
scissor.extent.width = scale_up(src.max_x - src.min_x);
scissor.extent.height = scale_up(src.max_y - src.min_y);
scissor.extent.height = scale_up(max_y - min_y);
} else {
scissor.offset.x = 0;
scissor.offset.y = 0;