Ryujinx/moltenvk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix stride of stage input arrays to tessellation shaders.

Browse Source 
These should be set to the alignment of the first member of the output
struct. This fixes the `dEQP-VK.tessellation.common_edge.*` tests.
This commit is contained in:
Chip Davis 2019-02-24 11:09:45 -06:00
parent 069ee53ac5
commit cb8a678c28
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
View File

@ -576,7 +576,7 @@ MTLComputePipelineDescriptor* MVKGraphicsPipeline::getMTLTessControlStageDescrip
}
if (vtxOutputs.size() > 0) {
plDesc.stageInputDescriptor.layouts[kMVKTessCtlInputBufferIndex].stepFunction = MTLStepFunctionThreadPositionInGridX;
plDesc.stageInputDescriptor.layouts[kMVKTessCtlInputBufferIndex].stride = offset;
plDesc.stageInputDescriptor.layouts[kMVKTessCtlInputBufferIndex].stride = mvkAlignByteOffset(offset, sizeOfOutput(vtxOutputs[0]));
}
plDesc.stageInputDescriptor.indexBufferIndex = kMVKTessCtlIndexBufferIndex;
@ -609,12 +609,15 @@ MTLRenderPipelineDescriptor* MVKGraphicsPipeline::getMTLTessRasterStageDescripto
// Stage input
plDesc.vertexDescriptor = [MTLVertexDescriptor vertexDescriptor];
uint32_t offset = 0, patchOffset = 0, outerLoc = -1, innerLoc = -1;
const SPIRVShaderOutput* firstVertex = nullptr, * firstPatch = nullptr;
for (const SPIRVShaderOutput& output : tcOutputs) {
if (output.builtin == spv::BuiltInPointSize && !reflectData.pointMode) { continue; }
if (!shaderContext.isVertexAttributeLocationUsed(output.location)) {
if (output.perPatch && !(output.builtin == spv::BuiltInTessLevelOuter || output.builtin == spv::BuiltInTessLevelInner) ) {
if (!firstPatch) { firstPatch = &output; }
patchOffset += sizeOfOutput(output);
} else if (!output.perPatch) {
if (!firstVertex) { firstVertex = &output; }
offset += sizeOfOutput(output);
}
continue;
@ -652,21 +655,23 @@ MTLRenderPipelineDescriptor* MVKGraphicsPipeline::getMTLTessRasterStageDescripto
plDesc.vertexDescriptor.attributes[output.location].format = mvkMTLVertexFormatFromVkFormat(mvkFormatFromOutput(output));
plDesc.vertexDescriptor.attributes[output.location].offset = patchOffset;
patchOffset += sizeOfOutput(output);
if (!firstPatch) { firstPatch = &output; }
} else {
offset = (uint32_t)mvkAlignByteOffset(offset, sizeOfOutput(output));
plDesc.vertexDescriptor.attributes[output.location].bufferIndex = kMVKTessEvalInputBufferIndex;
plDesc.vertexDescriptor.attributes[output.location].format = mvkMTLVertexFormatFromVkFormat(mvkFormatFromOutput(output));
plDesc.vertexDescriptor.attributes[output.location].offset = offset;
offset += sizeOfOutput(output);
if (!firstVertex) { firstVertex = &output; }
}
}
if (offset > 0) {
plDesc.vertexDescriptor.layouts[kMVKTessEvalInputBufferIndex].stepFunction = MTLVertexStepFunctionPerPatchControlPoint;
plDesc.vertexDescriptor.layouts[kMVKTessEvalInputBufferIndex].stride = offset;
plDesc.vertexDescriptor.layouts[kMVKTessEvalInputBufferIndex].stride = mvkAlignByteOffset(offset, sizeOfOutput(*firstVertex));
}
if (patchOffset > 0) {
plDesc.vertexDescriptor.layouts[kMVKTessEvalPatchInputBufferIndex].stepFunction = MTLVertexStepFunctionPerPatch;
plDesc.vertexDescriptor.layouts[kMVKTessEvalPatchInputBufferIndex].stride = patchOffset;
plDesc.vertexDescriptor.layouts[kMVKTessEvalPatchInputBufferIndex].stride = mvkAlignByteOffset(patchOffset, sizeOfOutput(*firstPatch));
}
if (outerLoc != (uint32_t)(-1) || innerLoc != (uint32_t)(-1)) {
plDesc.vertexDescriptor.layouts[kMVKTessEvalLevelBufferIndex].stepFunction = MTLVertexStepFunctionPerPatch;