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Clamp scissor to framebuffer size

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This commit is contained in:
Luke Street 2025-04-07 20:12:31 -06:00
parent e39ffe6429
commit 1825a80953
1 changed files with 7 additions and 2 deletions
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9
lib/gfx/common.cpp
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@ -517,7 +517,7 @@ void begin_frame() {
g_instance.ProcessEvents();
}
size_t bufferOffset = 0;
auto& stagingBuf = g_stagingBuffers[currentStagingBuffer];
const auto& stagingBuf = g_stagingBuffers[currentStagingBuffer];
const auto mapBuffer = [&](ByteBuffer& buf, uint64_t size) {
if (size <= 0) {
return;
@ -684,7 +684,12 @@ void render_pass(const wgpu::RenderPassEncoder& pass, u32 idx) {
} break;
case CommandType::SetScissor: {
const auto& sc = cmd.data.setScissor;
pass.SetScissorRect(sc.x, sc.y, sc.w, sc.h);
const auto& size = webgpu::g_frameBuffer.size;
const auto x = std::clamp(sc.x, 0u, size.width);
const auto y = std::clamp(sc.y, 0u, size.height);
const auto w = std::clamp(sc.w, 0u, size.width - x);
const auto h = std::clamp(sc.h, 0u, size.height - y);
pass.SetScissorRect(x, y, w, h);
} break;
case CommandType::Draw: {
const auto& draw = cmd.data.draw;