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[GPU] Screen scissor alongside window scissor

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This commit is contained in:
Triang3l
2021-05-04 22:54:05 +03:00
parent fb01ccaac6
commit 330beaf552
4 changed files with 78 additions and 59 deletions
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11
src/xenia/gpu/render_target_cache.cc
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@@ -590,12 +590,15 @@ bool RenderTargetCache::Update(bool is_rasterization_done,
height_used = uint32_t(
std::min(std::fmax(viewport_bottom, 0.0f), float(height_used)));
}
uint32_t scissor_bottom = regs.Get<reg::PA_SC_WINDOW_SCISSOR_BR>().br_y;
int32_t scissor_bottom =
int32_t(regs.Get<reg::PA_SC_WINDOW_SCISSOR_BR>().br_y);
if (!regs.Get<reg::PA_SC_WINDOW_SCISSOR_TL>().window_offset_disable) {
scissor_bottom = uint32_t(
std::max(int32_t(scissor_bottom) + window_y_offset, int32_t(0)));
scissor_bottom += window_y_offset;
}
height_used = std::min(height_used, scissor_bottom);
scissor_bottom =
std::min(scissor_bottom, regs.Get<reg::PA_SC_SCREEN_SCISSOR_BR>().br_y);
height_used =
std::min(height_used, uint32_t(std::max(scissor_bottom, int32_t(0))));
// Sorted by EDRAM base and then by index in the pipeline - for simplicity,
// treat render targets placed closer to the end of the EDRAM as truncating