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[spirv] Implement constuReplicant helper

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This commit is contained in:
Joshua Ashton 2020-05-27 07:32:40 +01:00 committed by Philip Rebohle
parent 16cea83325
commit 362a591e5b
2 changed files with 22 additions and 0 deletions
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18
src/spirv/spirv_module.cpp
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@ -416,6 +416,24 @@ namespace dxvk {
} }
uint32_t SpirvModule::constuReplicant(
int32_t replicant,
uint32_t count) {
uint32_t value = this->constu32(replicant);
std::array<uint32_t, 4> args = { value, value, value, value };
// Can't make a scalar composite.
if (count == 1)
return args[0];
uint32_t scalarTypeId = this->defIntType(32, 0);
uint32_t vectorTypeId = this->defVectorType(scalarTypeId, count);
return this->constComposite(vectorTypeId, count, args.data());
}
uint32_t SpirvModule::constComposite( uint32_t SpirvModule::constComposite(
uint32_t typeId, uint32_t typeId,
uint32_t constCount, uint32_t constCount,

4
src/spirv/spirv_module.h
View File

@ -184,6 +184,10 @@ namespace dxvk {
int32_t replicant, int32_t replicant,
uint32_t count); uint32_t count);
uint32_t constuReplicant(
int32_t replicant,
uint32_t count);
uint32_t constComposite( uint32_t constComposite(
uint32_t typeId, uint32_t typeId,
uint32_t constCount, uint32_t constCount,