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gl_stream_buffer/vk_staging_buffer_pool: Fix size check
Fix a tragic off-by-one condition that causes Vulkan's stream buffer to think it's always full, using fallback memory. The OpenGL was also affected by this bug to a lesser extent.
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@ -40,7 +40,7 @@ std::pair<std::span<u8>, size_t> StreamBuffer::Request(size_t size) noexcept {
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glClientWaitSync(fences[region].handle, 0, GL_TIMEOUT_IGNORED);
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fences[region].Release();
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}
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if (iterator + size > free_iterator) {
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if (iterator + size >= free_iterator) {
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free_iterator = iterator + size;
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}
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if (iterator + size > STREAM_BUFFER_SIZE) {
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@ -153,7 +153,7 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
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used_iterator = iterator;
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free_iterator = std::max(free_iterator, iterator + size);
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if (iterator + size > STREAM_BUFFER_SIZE) {
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if (iterator + size >= STREAM_BUFFER_SIZE) {
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std::fill(sync_ticks.begin() + Region(used_iterator), sync_ticks.begin() + NUM_SYNCS,
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current_tick);
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used_iterator = 0;
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