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[vk, rasterizer] Clamping Render-Area out of limits

This commit is contained in:
CamilleLaVey 2025-11-24 20:42:56 -04:00 committed by Caio Oliveira
parent 4f83aeab9b
commit 6c58f3fbde
1 changed files with 40 additions and 5 deletions
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45
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -419,13 +419,48 @@ void RasterizerVulkan::Clear(u32 layer_count) {
.baseArrayLayer = regs.clear_surface.layer,
.layerCount = layer_count,
};
if (clear_rect.rect.extent.width == 0 || clear_rect.rect.extent.height == 0) {
const auto clamp_rect_to_render_area = [render_area](VkRect2D& rect) -> bool {
const auto clamp_axis = [](s32& offset, u32& extent, u32 limit) {
auto clamp_offset = [&offset, limit]() {
if (limit == 0) {
offset = 0;
return;
}
offset = std::clamp(offset, 0, static_cast<s32>(limit));
};
if (extent == 0) {
clamp_offset();
return;
}
if (offset < 0) {
const u32 shrink = (std::min)(extent, static_cast<u32>(-offset));
extent -= shrink;
offset = 0;
}
if (limit == 0) {
extent = 0;
offset = 0;
return;
}
if (offset >= static_cast<s32>(limit)) {
offset = static_cast<s32>(limit);
extent = 0;
return;
}
const u64 end_coord = static_cast<u64>(offset) + extent;
if (end_coord > limit) {
extent = limit - static_cast<u32>(offset);
}
};
clamp_axis(rect.offset.x, rect.extent.width, render_area.width);
clamp_axis(rect.offset.y, rect.extent.height, render_area.height);
return rect.extent.width != 0 && rect.extent.height != 0;
};
if (!clamp_rect_to_render_area(clear_rect.rect)) {
return;
}
clear_rect.rect.extent = VkExtent2D{
.width = (std::min)(clear_rect.rect.extent.width, render_area.width),
.height = (std::min)(clear_rect.rect.extent.height, render_area.height),
};
const u32 color_attachment = regs.clear_surface.RT;
if (use_color && framebuffer->HasAspectColorBit(color_attachment)) {