Merge pull request #623 from cdavis5e/no-viewports-assertion
Don't assert if no viewports or scissor rects were given.
diff --git a/MoltenVK/MoltenVK/Commands/MVKCommandEncoderState.mm b/MoltenVK/MoltenVK/Commands/MVKCommandEncoderState.mm
index d73919d..328ff5c 100644
--- a/MoltenVK/MoltenVK/Commands/MVKCommandEncoderState.mm
+++ b/MoltenVK/MoltenVK/Commands/MVKCommandEncoderState.mm
@@ -85,7 +85,7 @@
void MVKViewportCommandEncoderState::encodeImpl(uint32_t stage) {
if (stage != kMVKGraphicsStageRasterization) { return; }
auto& usingMTLViewports = _mtlViewports.size() > 0 ? _mtlViewports : _mtlDynamicViewports;
- MVKAssert(!usingMTLViewports.empty(), "Must specify at least one viewport");
+ if (usingMTLViewports.empty()) { return; }
if (_cmdEncoder->_pDeviceFeatures->multiViewport) {
[_cmdEncoder->_mtlRenderEncoder setViewports: &usingMTLViewports[0] count: usingMTLViewports.size()];
} else {
@@ -132,7 +132,7 @@
void MVKScissorCommandEncoderState::encodeImpl(uint32_t stage) {
if (stage != kMVKGraphicsStageRasterization) { return; }
auto& usingMTLScissors = _mtlScissors.size() > 0 ? _mtlScissors : _mtlDynamicScissors;
- MVKAssert(!usingMTLScissors.empty(), "Must specify at least one scissor rect");
+ if (usingMTLScissors.empty()) { return; }
auto clippedScissors(usingMTLScissors);
std::for_each(clippedScissors.begin(), clippedScissors.end(), [this](MTLScissorRect& scissor) {
scissor = _cmdEncoder->clipToRenderArea(scissor);
