BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add UAV (image) binding offset and HLSL register support

Browse source 
This PR adds:

1. The "u" register class for RW* objects.

2. --shift-image-bindings (== --sib), analogous to --shift-texture-bindings etc.

3. Case insensitive reg classes.

4. Tests for above.
This commit is contained in:
steve-lunarg 2016-11-01 10:31:42 -06:00
parent e5e58cfee3
commit 9088be4c07
13 changed files with 309 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

13
glslang/MachineIndependent/iomapper.cpp
View file

@ -222,6 +222,7 @@ struct TDefaultIoResolver : public glslang::TIoMapResolver
{
int baseSamplerBinding;
int baseTextureBinding;
int baseImageBinding;
int baseUboBinding;
bool doAutoMapping;
typedef std::vector<int> TSlotSet;
@ -294,6 +295,9 @@ struct TDefaultIoResolver : public glslang::TIoMapResolver
if (type.getQualifier().hasBinding()) {
if (type.getBasicType() == glslang::EbtSampler) {
const glslang::TSampler& sampler = type.getSampler();
if (sampler.isImage())
return reserveSlot(set, baseImageBinding + type.getQualifier().layoutBinding);
if (sampler.isPureSampler())
return reserveSlot(set, baseSamplerBinding + type.getQualifier().layoutBinding);
@ -308,6 +312,9 @@ struct TDefaultIoResolver : public glslang::TIoMapResolver
// first and now all are passed that do not have a binding and needs one
if (type.getBasicType() == glslang::EbtSampler) {
const glslang::TSampler& sampler = type.getSampler();
if (sampler.isImage())
return getFreeSlot(set, baseImageBinding);
if (sampler.isPureSampler())
return getFreeSlot(set, baseSamplerBinding);
@ -339,9 +346,10 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate &intermediate, TInfoSi
// Trivial return if there is nothing to do.
if (intermediate.getShiftSamplerBinding() == 0 &&
intermediate.getShiftTextureBinding() == 0 &&
intermediate.getShiftImageBinding() == 0 &&
intermediate.getShiftUboBinding() == 0 &&
intermediate.getAutoMapBindings() == false &&
resolver == NULL)
resolver == nullptr)
return true;
if (intermediate.getNumEntryPoints() != 1 || intermediate.isRecursive())
@ -353,9 +361,10 @@ bool TIoMapper::addStage(EShLanguage stage, TIntermediate &intermediate, TInfoSi
// if no resolver is provided, use the default resolver with the given shifts and auto map settings
TDefaultIoResolver defaultResolver;
if (resolver == NULL) {
if (resolver == nullptr) {
defaultResolver.baseSamplerBinding = intermediate.getShiftSamplerBinding();
defaultResolver.baseTextureBinding = intermediate.getShiftTextureBinding();
defaultResolver.baseImageBinding = intermediate.getShiftImageBinding();
defaultResolver.baseUboBinding = intermediate.getShiftUboBinding();
defaultResolver.doAutoMapping = intermediate.getAutoMapBindings();