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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/writer/glsl: Set default precision to highp WGSL states that `f32` is a IEEE-754 binary32. mediump precision guarantees are much smaller than highp, and using mediump can break code generated by tint. Change-Id: I8a129c4c8ac078c785e0d5d7d21f19ed6b3620b5 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/123400 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Stephen White <senorblanco@chromium.org>
2023-03-09 19:58:23 +00:00
precision highp float;
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
layout(location = 0) out vec4 value;
vec4 tint_symbol() {
Generic template and forward in stringstream. This CL updates the templates in the StringStream to match more types. All of the internal `operator<<` methods have been converted over to StringStream. The precision was increased in order to better match the precision needed to read back as a double. Bug: tint:1686 Change-Id: Iaa15cf247f174967dd1014647ba5a74804997c22 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/122080 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
2023-03-02 21:28:45 +00:00
return vec4(0.10000000149011611938f, 0.20000000298023223877f, 0.30000001192092895508f, 0.40000000596046447754f);
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;
}