GrGLSLUniformHandler::UniformHandle GrVkUniformHandler::internalAddUniformArray(
uint32_t visibility,
GrSLType type,
GrSLPrecision precision,
const char* name,
bool mangleName,
int arrayCount,
const char** outName) {
SkASSERT(name && strlen(name));
// For now asserting the the visibility is either geometry types (vertex, tesselation, geometry,
// etc.) or only fragment.
SkASSERT(kVertex_GrShaderFlag == visibility ||
kGeometry_GrShaderFlag == visibility ||
(kVertex_GrShaderFlag | kGeometry_GrShaderFlag) == visibility ||
kFragment_GrShaderFlag == visibility);
SkASSERT(kDefault_GrSLPrecision == precision || GrSLTypeIsFloatType(type));
GrSLTypeIsFloatType(type);
UniformInfo& uni = fUniforms.push_back();
uni.fVariable.setType(type);
// TODO this is a bit hacky, lets think of a better way. Basically we need to be able to use
// the uniform view matrix name in the GP, and the GP is immutable so it has to tell the PB
// exactly what name it wants to use for the uniform view matrix. If we prefix anythings, then
// the names will mismatch. I think the correct solution is to have all GPs which need the
// uniform view matrix, they should upload the view matrix in their setData along with regular
// uniforms.
char prefix = 'u';
if ('u' == name[0] || !strncmp(name, GR_NO_MANGLE_PREFIX, strlen(GR_NO_MANGLE_PREFIX))) {
prefix = '\0';
}
fProgramBuilder->nameVariable(uni.fVariable.accessName(), prefix, name, mangleName);
uni.fVariable.setArrayCount(arrayCount);
uni.fVisibility = visibility;
uni.fVariable.setPrecision(precision);
// When outputing the GLSL, only the outer uniform block will get the Uniform modifier. Thus
// we set the modifier to none for all uniforms declared inside the block.
uni.fVariable.setTypeModifier(GrShaderVar::kNone_TypeModifier);
uint32_t* currentOffset;
uint32_t geomStages = kVertex_GrShaderFlag | kGeometry_GrShaderFlag;
if (geomStages & visibility) {
currentOffset = &fCurrentGeometryUBOOffset;
} else {
SkASSERT(kFragment_GrShaderFlag == visibility);
currentOffset = &fCurrentFragmentUBOOffset;
}
get_ubo_aligned_offset(&uni.fUBOffset, currentOffset, type, arrayCount);
SkString layoutQualifier;
layoutQualifier.appendf("offset=%d", uni.fUBOffset);
uni.fVariable.addLayoutQualifier(layoutQualifier.c_str());
if (outName) {
*outName = uni.fVariable.c_str();
}
return GrGLSLUniformHandler::UniformHandle(fUniforms.count() - 1);
}
void GrGLSLVaryingHandler::addVarying(const char* name, GrGLSLVarying* varying,
Interpolation interpolation) {
SkASSERT(GrSLTypeIsFloatType(varying->type()) || Interpolation::kMustBeFlat == interpolation);
bool willUseGeoShader = fProgramBuilder->primitiveProcessor().willUseGeoShader();
VaryingInfo& v = fVaryings.push_back();
SkASSERT(varying);
SkASSERT(kVoid_GrSLType != varying->fType);
v.fType = varying->fType;
v.fIsFlat = use_flat_interpolation(interpolation, *fProgramBuilder->shaderCaps());
fProgramBuilder->nameVariable(&v.fVsOut, 'v', name);
v.fVisibility = kNone_GrShaderFlags;
if (varying->isInVertexShader()) {
varying->fVsOut = v.fVsOut.c_str();
v.fVisibility |= kVertex_GrShaderFlag;
}
if (willUseGeoShader) {
fProgramBuilder->nameVariable(&v.fGsOut, 'g', name);
varying->fGsIn = v.fVsOut.c_str();
varying->fGsOut = v.fGsOut.c_str();
v.fVisibility |= kGeometry_GrShaderFlag;
}
if (varying->isInFragmentShader()) {
varying->fFsIn = (willUseGeoShader ? v.fGsOut : v.fVsOut).c_str();
v.fVisibility |= kFragment_GrShaderFlag;
}
}
GrGLSLProgramDataManager::UniformHandle GrGLProgramBuilder::internalAddUniformArray(
uint32_t visibility,
GrSLType type,
GrSLPrecision precision,
const char* name,
bool mangleName,
int count,
const char** outName) {
SkASSERT(name && strlen(name));
SkDEBUGCODE(static const uint32_t kVisibilityMask = kVertex_Visibility | kFragment_Visibility);
SkASSERT(0 == (~kVisibilityMask & visibility));
SkASSERT(0 != visibility);
SkASSERT(kDefault_GrSLPrecision == precision || GrSLTypeIsFloatType(type));
UniformInfo& uni = fUniforms.push_back();
uni.fVariable.setType(type);
uni.fVariable.setTypeModifier(GrGLSLShaderVar::kUniform_TypeModifier);
// TODO this is a bit hacky, lets think of a better way. Basically we need to be able to use
// the uniform view matrix name in the GP, and the GP is immutable so it has to tell the PB
// exactly what name it wants to use for the uniform view matrix. If we prefix anythings, then
// the names will mismatch. I think the correct solution is to have all GPs which need the
// uniform view matrix, they should upload the view matrix in their setData along with regular
// uniforms.
char prefix = 'u';
if ('u' == name[0]) {
prefix = '\0';
}
this->nameVariable(uni.fVariable.accessName(), prefix, name, mangleName);
uni.fVariable.setArrayCount(count);
uni.fVisibility = visibility;
uni.fVariable.setPrecision(precision);
if (outName) {
*outName = uni.fVariable.c_str();
}
return GrGLSLProgramDataManager::UniformHandle(fUniforms.count() - 1);
}
void GrVkUniformHandler::appendUniformDecls(GrShaderFlags visibility, SkString* out) const {
SkASSERT(kVertex_GrShaderFlag == visibility ||
kGeometry_GrShaderFlag == visibility ||
kFragment_GrShaderFlag == visibility);
for (int i = 0; i < fSamplers.count(); ++i) {
const UniformInfo& sampler = fSamplers[i];
SkASSERT(sampler.fVariable.getType() == kTexture2DSampler_GrSLType);
if (visibility == sampler.fVisibility) {
sampler.fVariable.appendDecl(fProgramBuilder->shaderCaps(), out);
out->append(";\n");
}
}
for (int i = 0; i < fTexelBuffers.count(); ++i) {
const UniformInfo& texelBuffer = fTexelBuffers[i];
if (visibility == texelBuffer.fVisibility) {
texelBuffer.fVariable.appendDecl(fProgramBuilder->shaderCaps(), out);
out->append(";\n");
}
}
#ifdef SK_DEBUG
bool firstGeomOffsetCheck = false;
bool firstFragOffsetCheck = false;
for (int i = 0; i < fUniforms.count(); ++i) {
const UniformInfo& localUniform = fUniforms[i];
if (kVertex_GrShaderFlag == localUniform.fVisibility ||
kGeometry_GrShaderFlag == localUniform.fVisibility ||
(kVertex_GrShaderFlag | kGeometry_GrShaderFlag) == localUniform.fVisibility) {
if (!firstGeomOffsetCheck) {
// Check to make sure we are starting our offset at 0 so the offset qualifier we
// set on each variable in the uniform block is valid.
SkASSERT(0 == localUniform.fUBOffset);
firstGeomOffsetCheck = true;
}
} else {
SkASSERT(kFragment_GrShaderFlag == localUniform.fVisibility);
if (!firstFragOffsetCheck) {
// Check to make sure we are starting our offset at 0 so the offset qualifier we
// set on each variable in the uniform block is valid.
SkASSERT(0 == localUniform.fUBOffset);
firstFragOffsetCheck = true;
}
}
}
#endif
SkString uniformsString;
for (int i = 0; i < fUniforms.count(); ++i) {
const UniformInfo& localUniform = fUniforms[i];
if (visibility & localUniform.fVisibility) {
if (GrSLTypeIsFloatType(localUniform.fVariable.getType())) {
localUniform.fVariable.appendDecl(fProgramBuilder->shaderCaps(), &uniformsString);
uniformsString.append(";\n");
}
}
}
if (!uniformsString.isEmpty()) {
uint32_t uniformBinding;
const char* stage;
if (kVertex_GrShaderFlag == visibility) {
uniformBinding = kGeometryBinding;
stage = "vertex";
} else if (kGeometry_GrShaderFlag == visibility) {
uniformBinding = kGeometryBinding;
stage = "geometry";
} else {
SkASSERT(kFragment_GrShaderFlag == visibility);
uniformBinding = kFragBinding;
stage = "fragment";
}
out->appendf("layout (set=%d, binding=%d) uniform %sUniformBuffer\n{\n",
kUniformBufferDescSet, uniformBinding, stage);
out->appendf("%s\n};\n", uniformsString.c_str());
}
}
