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Merge pull request #1395 from ds84182/padding-attributes

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Add support for padding vertex attributes
This commit is contained in:
bunnei 2016-02-24 18:15:16 -08:00
commit e04e6aabbc
1 changed files with 17 additions and 7 deletions
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24
src/video_core/command_processor.cpp
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@ -157,15 +157,25 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
// TODO: What happens if a loader overwrites a previous one's data?
for (unsigned component = 0; component < loader_config.component_count; ++component) {
if (component >= 12)
if (component >= 12) {
LOG_ERROR(HW_GPU, "Overflow in the vertex attribute loader %u trying to load component %u", loader, component);
continue;
}
u32 attribute_index = loader_config.GetComponent(component);
vertex_attribute_sources[attribute_index] = load_address;
vertex_attribute_strides[attribute_index] = static_cast<u32>(loader_config.byte_count);
vertex_attribute_formats[attribute_index] = attribute_config.GetFormat(attribute_index);
vertex_attribute_elements[attribute_index] = attribute_config.GetNumElements(attribute_index);
vertex_attribute_element_size[attribute_index] = attribute_config.GetElementSizeInBytes(attribute_index);
load_address += attribute_config.GetStride(attribute_index);
if (attribute_index < 12) {
vertex_attribute_sources[attribute_index] = load_address;
vertex_attribute_strides[attribute_index] = static_cast<u32>(loader_config.byte_count);
vertex_attribute_formats[attribute_index] = attribute_config.GetFormat(attribute_index);
vertex_attribute_elements[attribute_index] = attribute_config.GetNumElements(attribute_index);
vertex_attribute_element_size[attribute_index] = attribute_config.GetElementSizeInBytes(attribute_index);
load_address += attribute_config.GetStride(attribute_index);
} else if (attribute_index < 16) {
// Attribute ids 12, 13, 14 and 15 signify 4, 8, 12 and 16-byte paddings, respectively
load_address += (attribute_index - 11) * 4;
} else {
UNREACHABLE(); // This is truly unreachable due to the number of bits for each component
}
}
}