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tint: Add enable directive for extensions In this CL the enable directive is implemented. 1. Add AST node for enable directive, assign a ExtensionKind (enum) for each supported extension. 2. Use an unorder_set in ast::Module to record all required extensions' kind. 3. Provide inspector methods for getting names of used extension, and getting all used enable directives' extension names and location. 4. For different writer, the extension nodes are handled in different ways. MSL and HLSL writers will just ignore the extension nodes, while SPIRV and GLSL writers will emit corresponding code. 5. Implement unittests and end2end test for enable directive and inspector, using a reserved extension name `InternalExtensionForTesting`. Bug: tint:1472 Change-Id: I40cb4061554deb477bc2005d7e38c9718385f825 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86623 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
2022-04-27 02:27:52 +00:00
#version 310 es
tint/writer/glsl: Support for F16 type, constructor, and convertor This patch make GLSL writer support emitting f16 types, f16 literals, f16 constructor and convertor. Unittests are also implemented, and end-to-end testcases are updated for GLSL extension requirement. The GLSL writer will require `GL_AMD_gpu_shader_half_float` extension if f16 WGSL extension is enabled, emit f16 literal as `1.23hf`, and map f16 types as follow: WGSL type -> GLSL type f16 -> float16_t vec2<f16> -> f16vec2 vec3<f16> -> f16vec3 vec4<f16> -> f16vec4 mat2x2<f16> -> f16mat2 mat2x3<f16> -> f16mat2x3 mat2x4<f16> -> f16mat2x4 mat3x2<f16> -> f16mat3x2 mat3x3<f16> -> f16mat3 mat3x4<f16> -> f16mat3x4 mat4x2<f16> -> f16mat4x2 mat4x3<f16> -> f16mat4x3 mat4x4<f16> -> f16mat4 Bug: tint:1473, tint:1502 Change-Id: I7e788f82be2873911961c891a644200c1cbb74db Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/95684 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com> Reviewed-by: Ben Clayton <bclayton@google.com>
2022-07-11 03:02:28 +00:00
#extension GL_AMD_gpu_shader_half_float : require
tint: Add enable directive for extensions In this CL the enable directive is implemented. 1. Add AST node for enable directive, assign a ExtensionKind (enum) for each supported extension. 2. Use an unorder_set in ast::Module to record all required extensions' kind. 3. Provide inspector methods for getting names of used extension, and getting all used enable directives' extension names and location. 4. For different writer, the extension nodes are handled in different ways. MSL and HLSL writers will just ignore the extension nodes, while SPIRV and GLSL writers will emit corresponding code. 5. Implement unittests and end2end test for enable directive and inspector, using a reserved extension name `InternalExtensionForTesting`. Bug: tint:1472 Change-Id: I40cb4061554deb477bc2005d7e38c9718385f825 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86623 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
2022-04-27 02:27:52 +00:00
precision mediump float;
layout(location = 0) out vec4 value;
vec4 tint_symbol() {
tint: Refactor Extensions / Enables. * Extract ast::Enable::ExtensionKind to ast::Extension. * Move the parsing out of ast::Enable and next to ast/extension.h * Change the ast::Enable constructor to take the Extension, instead of a std::string. It's the WGSL parser's responsibility to parse, not the AST nodes. * Add ProgramBuilder::Enable() helper. * Keep ast::Module simple - keep track of the declared AST Enable nodes, don't do any deduplicating of the enabled extensions. * Add the de-duplicated ast::Extensions to the sem::Module. * Remove the kInternalExtensionForTesting enum value - we have kF16 now, which can be used instead for testing. * Rename kNoExtension to kNone. Bug: tint:1472 Change-Id: I9af635e95d36991ea468e6e0bf6798bb50937edc Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/90523 Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
2022-05-18 22:41:48 +00:00
return vec4(0.100000001f, 0.200000003f, 0.300000012f, 0.400000006f);
tint: Add enable directive for extensions In this CL the enable directive is implemented. 1. Add AST node for enable directive, assign a ExtensionKind (enum) for each supported extension. 2. Use an unorder_set in ast::Module to record all required extensions' kind. 3. Provide inspector methods for getting names of used extension, and getting all used enable directives' extension names and location. 4. For different writer, the extension nodes are handled in different ways. MSL and HLSL writers will just ignore the extension nodes, while SPIRV and GLSL writers will emit corresponding code. 5. Implement unittests and end2end test for enable directive and inspector, using a reserved extension name `InternalExtensionForTesting`. Bug: tint:1472 Change-Id: I40cb4061554deb477bc2005d7e38c9718385f825 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86623 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Zhaoming Jiang <zhaoming.jiang@intel.com>
2022-04-27 02:27:52 +00:00
}
void main() {
vec4 inner_result = tint_symbol();
value = inner_result;
return;
}