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[dxbc] Declare SV variables on first use

This commit is contained in:
Philip Rebohle 2018-01-29 10:41:41 +01:00
parent 8f554a210b
commit 4ac38af8a7
No known key found for this signature in database
GPG Key ID: C8CC613427A31C99
2 changed files with 58 additions and 62 deletions
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114
src/dxbc/dxbc_compiler.cpp
View File

@ -946,7 +946,6 @@ namespace dxvk {
emitDclInputArray(vertexCount);
emitDclInputPerVertex(vertexCount, "gs_vertex_in");
emitGsInitBuiltins(vertexCount);
}
@ -4247,6 +4246,22 @@ namespace dxvk {
case DxbcSystemValue::VertexId: {
const uint32_t typeId = getScalarTypeId(DxbcScalarType::Uint32);
if (m_vs.builtinVertexId == 0) {
m_vs.builtinVertexId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInVertexIndex,
"vs_vertex_index");
}
if (m_vs.builtinBaseVertex == 0) {
m_vs.builtinBaseVertex = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInBaseVertex,
"vs_base_vertex");
}
DxbcRegisterValue result;
result.type.ctype = DxbcScalarType::Uint32;
result.type.ccount = 1;
@ -4259,6 +4274,22 @@ namespace dxvk {
case DxbcSystemValue::InstanceId: {
const uint32_t typeId = getScalarTypeId(DxbcScalarType::Uint32);
if (m_vs.builtinInstanceId == 0) {
m_vs.builtinInstanceId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInInstanceIndex,
"vs_instance_index");
}
if (m_vs.builtinBaseInstance == 0) {
m_vs.builtinBaseInstance = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInBaseInstance,
"vs_base_instance");
}
DxbcRegisterValue result;
result.type.ctype = DxbcScalarType::Uint32;
result.type.ccount = 1;
@ -4314,6 +4345,14 @@ namespace dxvk {
DxbcRegMask mask) {
switch (sv) {
case DxbcSystemValue::Position: {
if (m_ps.builtinFragCoord == 0) {
m_ps.builtinFragCoord = emitNewBuiltinVariable({
{ DxbcScalarType::Float32, 4, 0 },
spv::StorageClassInput },
spv::BuiltInFragCoord,
"ps_frag_coord");
}
DxbcRegisterPointer ptrIn;
ptrIn.type.ctype = DxbcScalarType::Float32;
ptrIn.type.ccount = 4;
@ -4324,6 +4363,14 @@ namespace dxvk {
} break;
case DxbcSystemValue::IsFrontFace: {
if (m_ps.builtinIsFrontFace == 0) {
m_ps.builtinIsFrontFace = emitNewBuiltinVariable({
{ DxbcScalarType::Bool, 1, 0 },
spv::StorageClassInput },
spv::BuiltInFrontFacing,
"ps_is_front_face");
}
DxbcRegisterValue result;
result.type.ctype = DxbcScalarType::Uint32;
result.type.ccount = 1;
@ -4338,6 +4385,16 @@ namespace dxvk {
} break;
case DxbcSystemValue::SampleIndex: {
if (m_ps.builtinSampleId == 0) {
m_module.enableCapability(spv::CapabilitySampleRateShading);
m_ps.builtinSampleId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInSampleId,
"ps_sample_id");
}
DxbcRegisterPointer ptrIn;
ptrIn.type.ctype = DxbcScalarType::Uint32;
ptrIn.type.ccount = 1;
@ -4411,59 +4468,6 @@ namespace dxvk {
}
void DxbcCompiler::emitVsInitBuiltins() {
m_vs.builtinVertexId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInVertexIndex,
"vs_vertex_index");
m_vs.builtinInstanceId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInInstanceIndex, // TODO test
"vs_instance_index");
m_vs.builtinBaseVertex = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInBaseVertex,
"vs_base_vertex");
m_vs.builtinBaseInstance = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInBaseInstance,
"vs_base_instance");
}
void DxbcCompiler::emitGsInitBuiltins(uint32_t vertexCount) {
// TODO implement
}
void DxbcCompiler::emitPsInitBuiltins() {
m_ps.builtinFragCoord = emitNewBuiltinVariable({
{ DxbcScalarType::Float32, 4, 0 },
spv::StorageClassInput },
spv::BuiltInFragCoord,
"ps_frag_coord");
m_ps.builtinIsFrontFace = emitNewBuiltinVariable({
{ DxbcScalarType::Bool, 1, 0 },
spv::StorageClassInput },
spv::BuiltInFrontFacing,
"ps_is_front_face");
m_ps.builtinSampleId = emitNewBuiltinVariable({
{ DxbcScalarType::Uint32, 1, 0 },
spv::StorageClassInput },
spv::BuiltInSampleId,
"ps_sample_id");
}
void DxbcCompiler::emitVsInit() {
m_module.enableCapability(spv::CapabilityClipDistance);
m_module.enableCapability(spv::CapabilityCullDistance);
@ -4484,7 +4488,6 @@ namespace dxvk {
// Standard input array
emitDclInputArray(0);
emitVsInitBuiltins();
// Main function of the vertex shader
m_vs.functionId = m_module.allocateId();
@ -4564,7 +4567,6 @@ namespace dxvk {
// Standard input array
emitDclInputArray(0);
emitPsInitBuiltins();
// Main function of the pixel shader
m_ps.functionId = m_module.allocateId();

6
src/dxbc/dxbc_compiler.h
View File

@ -711,12 +711,6 @@ namespace dxvk {
DxbcRegMask mask,
const DxbcRegisterValue& value);
////////////////////////////////////////
// Builtin variable declaration methods
void emitVsInitBuiltins();
void emitGsInitBuiltins(uint32_t vertexCount);
void emitPsInitBuiltins();
/////////////////////////////////
// Shader initialization methods
void emitVsInit();