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GLSL: implement image format qualifiers for storage textures.

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Bug: tint:1397
Change-Id: Ifd6870b3e7cba151c361bd21f9d3d42642ff6c26
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/78060
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Stephen White <senorblanco@chromium.org>
Commit-Queue: Stephen White <senorblanco@chromium.org>
This commit is contained in:
Stephen White
2022-01-25 19:20:04 +00:00
committed by Tint LUCI CQ
parent b9d1540b31
commit fc792989e1
164 changed files with 1149 additions and 527 deletions
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46
src/writer/glsl/generator_impl.cc
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@@ -77,6 +77,46 @@ bool last_is_break_or_fallthrough(const ast::BlockStatement* stmts) {
return IsAnyOf<ast::BreakStatement, ast::FallthroughStatement>(stmts->Last());
}
const char* convert_texel_format_to_glsl(const ast::TexelFormat format) {
switch (format) {
case ast::TexelFormat::kR32Uint:
return "r32ui";
case ast::TexelFormat::kR32Sint:
return "r32i";
case ast::TexelFormat::kR32Float:
return "r32f";
case ast::TexelFormat::kRgba8Unorm:
return "rgba8";
case ast::TexelFormat::kRgba8Snorm:
return "rgba8_snorm";
case ast::TexelFormat::kRgba8Uint:
return "rgba8ui";
case ast::TexelFormat::kRgba8Sint:
return "rgba8i";
case ast::TexelFormat::kRg32Uint:
return "rg32ui";
case ast::TexelFormat::kRg32Sint:
return "rg32i";
case ast::TexelFormat::kRg32Float:
return "rg32f";
case ast::TexelFormat::kRgba16Uint:
return "rgba16ui";
case ast::TexelFormat::kRgba16Sint:
return "rgba16i";
case ast::TexelFormat::kRgba16Float:
return "rgba16f";
case ast::TexelFormat::kRgba32Uint:
return "rgba32ui";
case ast::TexelFormat::kRgba32Sint:
return "rgba32i";
case ast::TexelFormat::kRgba32Float:
return "rgba32f";
case ast::TexelFormat::kNone:
return "unknown";
}
return "unknown";
}
} // namespace
GeneratorImpl::GeneratorImpl(const Program* program) : TextGenerator(program) {}
@@ -1673,10 +1713,14 @@ bool GeneratorImpl::EmitHandleVariable(const sem::Variable* var) {
auto name = builder_.Symbols().NameFor(decl->symbol);
auto* type = var->Type()->UnwrapRef();
if (type->As<sem::Sampler>()) {
if (type->Is<sem::Sampler>()) {
// GLSL ignores Sampler variables.
return true;
}
if (auto* storage = type->As<sem::StorageTexture>()) {
out << "layout(" << convert_texel_format_to_glsl(storage->texel_format())
<< ") ";
}
if (!EmitTypeAndName(out, type, var->StorageClass(), var->Access(), name)) {
return false;
}