gl::Error VertexDataManager::prepareVertexData(const gl::State &state,
GLint start,
GLsizei count,
std::vector<TranslatedAttribute> *translatedAttribs,
GLsizei instances)
{
ASSERT(mStreamingBuffer);
const gl::VertexArray *vertexArray = state.getVertexArray();
const auto &vertexAttributes = vertexArray->getVertexAttributes();
mDynamicAttribsMaskCache.reset();
const gl::Program *program = state.getProgram();
translatedAttribs->clear();
for (size_t attribIndex = 0; attribIndex < vertexAttributes.size(); ++attribIndex)
{
// Skip attrib locations the program doesn't use.
if (!program->isAttribLocationActive(attribIndex))
continue;
const auto &attrib = vertexAttributes[attribIndex];
// Resize automatically puts in empty attribs
translatedAttribs->resize(attribIndex + 1);
TranslatedAttribute *translated = &(*translatedAttribs)[attribIndex];
auto currentValueData =
state.getVertexAttribCurrentValue(static_cast<unsigned int>(attribIndex));
// Record the attribute now
translated->active = true;
translated->attribute = &attrib;
translated->currentValueType = currentValueData.Type;
translated->divisor = attrib.divisor;
switch (ClassifyAttributeStorage(attrib))
{
case VertexStorageType::STATIC:
{
// Store static attribute.
gl::Error error = StoreStaticAttrib(translated, start, count, instances);
if (error.isError())
{
return error;
}
break;
}
case VertexStorageType::DYNAMIC:
// Dynamic attributes must be handled together.
mDynamicAttribsMaskCache.set(attribIndex);
break;
case VertexStorageType::DIRECT:
// Update translated data for direct attributes.
StoreDirectAttrib(translated, start);
break;
case VertexStorageType::CURRENT_VALUE:
{
gl::Error error = storeCurrentValue(currentValueData, translated, attribIndex);
if (error.isError())
{
return error;
}
break;
}
default:
UNREACHABLE();
break;
}
}
if (mDynamicAttribsMaskCache.none())
{
gl::Error(GL_NO_ERROR);
}
return storeDynamicAttribs(translatedAttribs, mDynamicAttribsMaskCache, start, count,
instances);
}
angle::Result VertexDataManager::prepareVertexData(
const gl::Context *context,
GLint start,
GLsizei count,
std::vector<TranslatedAttribute> *translatedAttribs,
GLsizei instances)
{
const gl::State &state = context->getGLState();
const gl::VertexArray *vertexArray = state.getVertexArray();
const auto &vertexAttributes = vertexArray->getVertexAttributes();
const auto &vertexBindings = vertexArray->getVertexBindings();
mDynamicAttribsMaskCache.reset();
const gl::Program *program = state.getProgram();
translatedAttribs->clear();
for (size_t attribIndex = 0; attribIndex < vertexAttributes.size(); ++attribIndex)
{
// Skip attrib locations the program doesn't use.
if (!program->isAttribLocationActive(attribIndex))
continue;
const auto &attrib = vertexAttributes[attribIndex];
const auto &binding = vertexBindings[attrib.bindingIndex];
// Resize automatically puts in empty attribs
translatedAttribs->resize(attribIndex + 1);
TranslatedAttribute *translated = &(*translatedAttribs)[attribIndex];
auto currentValueData = state.getVertexAttribCurrentValue(attribIndex);
// Record the attribute now
translated->active = true;
translated->attribute = &attrib;
translated->binding = &binding;
translated->currentValueType = currentValueData.Type;
translated->divisor = binding.getDivisor();
switch (ClassifyAttributeStorage(context, attrib, binding))
{
case VertexStorageType::STATIC:
{
// Store static attribute.
ANGLE_TRY(StoreStaticAttrib(context, translated));
break;
}
case VertexStorageType::DYNAMIC:
// Dynamic attributes must be handled together.
mDynamicAttribsMaskCache.set(attribIndex);
break;
case VertexStorageType::DIRECT:
// Update translated data for direct attributes.
StoreDirectAttrib(context, translated);
break;
case VertexStorageType::CURRENT_VALUE:
{
ANGLE_TRY(storeCurrentValue(context, currentValueData, translated, attribIndex));
break;
}
default:
UNREACHABLE();
break;
}
}
if (mDynamicAttribsMaskCache.none())
{
return angle::Result::Continue();
}
ANGLE_TRY(storeDynamicAttribs(context, translatedAttribs, mDynamicAttribsMaskCache, start,
count, instances));
PromoteDynamicAttribs(context, *translatedAttribs, mDynamicAttribsMaskCache, count);
return angle::Result::Continue();
}
