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Rename builtin(frag_coord) to builtin(position)

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Use the variable storage class to determine the correct builtin to use
in the SPIR-V generator.

Added a deprecation warning for frag_coord.

Bug: tint:714
Change-Id: I5ad4956f9345e2f39f4af16e84668dec345ac82e
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/47742
Auto-Submit: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-04-14 16:37:18 +00:00
committed by Commit Bot service account
parent d13982ff2e
commit 88d7edcf7a
19 changed files with 176 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/transform/canonicalize_entry_point_io.h
View File

@@ -34,7 +34,7 @@ namespace transform {
/// };
///
/// [[stage(fragment)]]
/// fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>,
/// fn frag_main([[builtin(position)]] coord : vec4<f32>,
/// locations : Locations) -> [[location(0)]] f32 {
/// var col : f32 = (coord.x * locations.loc1);
/// return col;
@@ -49,7 +49,7 @@ namespace transform {
/// };
///
/// struct frag_main_in {
/// [[builtin(frag_coord)]] coord : vec4<f32>;
/// [[builtin(position)]] coord : vec4<f32>;
/// [[location(1)]] loc1 : f32;
/// [[location(2)]] loc2 : vec4<u32>
/// };

16
src/transform/canonicalize_entry_point_io_test.cc
View File

@@ -25,7 +25,7 @@ using CanonicalizeEntryPointIOTest = TransformTest;
TEST_F(CanonicalizeEntryPointIOTest, Parameters) {
auto* src = R"(
[[stage(fragment)]]
fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>,
fn frag_main([[builtin(position)]] coord : vec4<f32>,
[[location(1)]] loc1 : f32,
[[location(2)]] loc2 : vec4<u32>) {
var col : f32 = (coord.x * loc1);
@@ -34,7 +34,7 @@ fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>,
auto* expect = R"(
struct tint_symbol_1 {
[[builtin(frag_coord)]]
[[builtin(position)]]
coord : vec4<f32>;
[[location(1)]]
loc1 : f32;
@@ -89,7 +89,7 @@ fn frag_main(tint_symbol : tint_symbol_1) {
TEST_F(CanonicalizeEntryPointIOTest, Parameters_EmptyBody) {
auto* src = R"(
[[stage(fragment)]]
fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>,
fn frag_main([[builtin(position)]] coord : vec4<f32>,
[[location(1)]] loc1 : f32,
[[location(2)]] loc2 : vec4<u32>) {
}
@@ -97,7 +97,7 @@ fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>,
auto* expect = R"(
struct tint_symbol_1 {
[[builtin(frag_coord)]]
[[builtin(position)]]
coord : vec4<f32>;
[[location(1)]]
loc1 : f32;
@@ -118,7 +118,7 @@ fn frag_main(tint_symbol : tint_symbol_1) {
TEST_F(CanonicalizeEntryPointIOTest, StructParameters) {
auto* src = R"(
struct FragBuiltins {
[[builtin(frag_coord)]] coord : vec4<f32>;
[[builtin(position)]] coord : vec4<f32>;
};
struct FragLocations {
[[location(1)]] loc1 : f32;
@@ -144,7 +144,7 @@ struct FragLocations {
};
struct tint_symbol_1 {
[[builtin(frag_coord)]]
[[builtin(position)]]
coord : vec4<f32>;
[[location(1)]]
loc1 : f32;
@@ -451,7 +451,7 @@ TEST_F(CanonicalizeEntryPointIOTest, Struct_LayoutDecorations) {
[[block]]
struct FragmentInput {
[[size(16), location(1)]] value : f32;
[[builtin(frag_coord)]] [[align(32)]] coord : vec4<f32>;
[[builtin(position)]] [[align(32)]] coord : vec4<f32>;
};
struct FragmentOutput {
@@ -481,7 +481,7 @@ struct FragmentOutput {
struct tint_symbol_1 {
[[location(1)]]
value : f32;
[[builtin(frag_coord)]]
[[builtin(position)]]
coord : vec4<f32>;
};

4
src/transform/spirv.cc
View File

@@ -68,7 +68,7 @@ void Spirv::HandleEntryPointIOTypes(CloneContext& ctx) const {
//
// [[stage(fragment)]]
// fn frag_main(
// [[builtin(frag_coord)]] coord : vec4<f32>,
// [[builtin(position)]] coord : vec4<f32>,
// samples : FragmentInput
// ) -> FragmentOutput {
// var output : FragmentOutput = FragmentOutput(1.0,
@@ -88,7 +88,7 @@ void Spirv::HandleEntryPointIOTypes(CloneContext& ctx) const {
// mask_out : u32;
// };
//
// [[builtin(frag_coord)]] var<in> coord : vec4<f32>,
// [[builtin(position)]] var<in> coord : vec4<f32>,
// [[builtin(sample_index)]] var<in> sample_index : u32,
// [[builtin(sample_mask_in)]] var<in> sample_mask_in : u32,
// [[builtin(frag_depth)]] var<out> depth: f32;

12
src/transform/spirv_test.cc
View File

@@ -25,7 +25,7 @@ using SpirvTest = TransformTest;
TEST_F(SpirvTest, HandleEntryPointIOTypes_Parameters) {
auto* src = R"(
[[stage(fragment)]]
fn frag_main([[builtin(frag_coord)]] coord : vec4<f32>,
fn frag_main([[builtin(position)]] coord : vec4<f32>,
[[location(1)]] loc1 : f32) {
var col : f32 = (coord.x * loc1);
}
@@ -38,7 +38,7 @@ fn compute_main([[builtin(local_invocation_id)]] local_id : vec3<u32>,
)";
auto* expect = R"(
[[builtin(frag_coord)]] var<in> tint_symbol : vec4<f32>;
[[builtin(position)]] var<in> tint_symbol : vec4<f32>;
[[location(1)]] var<in> tint_symbol_1 : f32;
@@ -192,7 +192,7 @@ fn frag_main() {
TEST_F(SpirvTest, HandleEntryPointIOTypes_StructParameters) {
auto* src = R"(
struct FragmentInput {
[[builtin(frag_coord)]] coord : vec4<f32>;
[[builtin(position)]] coord : vec4<f32>;
[[location(1)]] value : f32;
};
@@ -208,7 +208,7 @@ struct FragmentInput {
value : f32;
};
[[builtin(frag_coord)]] var<in> tint_symbol : vec4<f32>;
[[builtin(position)]] var<in> tint_symbol : vec4<f32>;
[[location(1)]] var<in> tint_symbol_1 : f32;
@@ -392,7 +392,7 @@ TEST_F(SpirvTest, HandleEntryPointIOTypes_StructLayoutDecorations) {
[[block]]
struct FragmentInput {
[[size(16), location(1)]] value : f32;
[[builtin(frag_coord)]] [[align(32)]] coord : vec4<f32>;
[[builtin(position)]] [[align(32)]] coord : vec4<f32>;
};
struct FragmentOutput {
@@ -421,7 +421,7 @@ struct FragmentOutput {
[[location(1)]] var<in> tint_symbol : f32;
[[builtin(frag_coord)]] var<in> tint_symbol_1 : vec4<f32>;
[[builtin(position)]] var<in> tint_symbol_1 : vec4<f32>;
[[location(1)]] var<out> tint_symbol_4 : f32;