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[Vulkan] Ensure entire scaled range fits within the buffer.

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Fixes devices lost errors when using resolution scaling

Co-authored-by: Herman S. <429230+has207@users.noreply.github.com>
This commit is contained in:
Gliniak
2025-12-25 14:40:33 +01:00
parent 594e8b8cdd
commit c42aeacf25
1 changed files with 13 additions and 4 deletions
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17
src/xenia/gpu/vulkan/vulkan_texture_cache.cc
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@@ -2856,15 +2856,24 @@ bool VulkanTextureCache::MakeScaledResolveRangeCurrent(
return false;
}
uint32_t draw_resolution_scale_area =
const uint32_t draw_resolution_scale_area =
draw_resolution_scale_x() * draw_resolution_scale_y();
uint64_t start_scaled = uint64_t(start_unscaled) * draw_resolution_scale_area;
const uint64_t start_scaled =
uint64_t(start_unscaled) * draw_resolution_scale_area;
// Find which buffer contains this range
const uint64_t length_scaled_alignment_bits =
(UINT64_C(1) << length_scaled_alignment_log2) - 1;
const uint64_t length_scaled =
(uint64_t(length_unscaled) * draw_resolution_scale_area +
length_scaled_alignment_bits) &
~length_scaled_alignment_bits;
const uint64_t end_scaled = start_scaled + length_scaled;
// Find which buffer contains this entire range (not just the start)
for (size_t i = 0; i < scaled_resolve_buffers_.size(); ++i) {
const ScaledResolveBuffer& buffer = scaled_resolve_buffers_[i];
if (start_scaled >= buffer.range_start_scaled &&
start_scaled <
end_scaled <=
(buffer.range_start_scaled + buffer.range_length_scaled)) {
scaled_resolve_current_buffer_index_ = i;
return true;