Move approved WebGL extensions out of draft

https://bugs.webkit.org/show_bug.cgi?id=267453

Reviewed by Kimmo Kinnunen.

Enabled support for the following approved extensions:
* EXT_conservative_depth
* NV_shader_noperspective_interpolation

* LayoutTests/platform/ios-simulator/webgl/webgl-draft-extensions-flag-default-expected.txt:
* LayoutTests/platform/ios-simulator/webgl/webgl-draft-extensions-flag-on-expected.txt:
* LayoutTests/webgl/resources/webgl-draft-extensions-flag.js:
* LayoutTests/webgl/webgl-draft-extensions-flag-default-expected.txt:
* LayoutTests/webgl/webgl-draft-extensions-flag-off-expected.txt:
* LayoutTests/webgl/webgl-draft-extensions-flag-on-expected.txt:
* Source/WebCore/html/canvas/WebGL2RenderingContext.cpp:
(WebCore::WebGL2RenderingContext::getExtension):
(WebCore::WebGL2RenderingContext::getSupportedExtensions):

Canonical link: https://commits.webkit.org/272979@main

LayoutTests/platform/ios-simulator/webgl/webgl-draft-extensions-flag-default-expected.txt

@@ -2,7 +2,7 @@ This test outputs which WebGL draft extensions are available.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
-TEST COMPLETE: 22 PASS, 0 FAIL
+TEST COMPLETE: 18 PASS, 0 FAIL
 
 
 PASS webgl:EXT_blend_func_extended: Supported
@@ -11,14 +11,10 @@ PASS webgl:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl:EXT_texture_mirror_clamp_to_edge: Has object.
 PASS webgl2:EXT_blend_func_extended: Supported
 PASS webgl2:EXT_blend_func_extended: Has object.
-PASS webgl2:EXT_conservative_depth: Supported
-PASS webgl2:EXT_conservative_depth: Has object.
 PASS webgl2:EXT_render_snorm: Supported
 PASS webgl2:EXT_render_snorm: Has object.
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Has object.
-PASS webgl2:NV_shader_noperspective_interpolation: Supported
-PASS webgl2:NV_shader_noperspective_interpolation: Has object.
 PASS webgl2:OES_sample_variables: Supported
 PASS webgl2:OES_sample_variables: Has object.
 PASS webgl2:OES_shader_multisample_interpolation: Not supported

LayoutTests/platform/ios-simulator/webgl/webgl-draft-extensions-flag-on-expected.txt

@@ -2,7 +2,7 @@ This test outputs which WebGL draft extensions are available.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
-TEST COMPLETE: 22 PASS, 0 FAIL
+TEST COMPLETE: 18 PASS, 0 FAIL
 
 
 PASS webgl:EXT_blend_func_extended: Supported
@@ -11,14 +11,10 @@ PASS webgl:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl:EXT_texture_mirror_clamp_to_edge: Has object.
 PASS webgl2:EXT_blend_func_extended: Supported
 PASS webgl2:EXT_blend_func_extended: Has object.
-PASS webgl2:EXT_conservative_depth: Supported
-PASS webgl2:EXT_conservative_depth: Has object.
 PASS webgl2:EXT_render_snorm: Supported
 PASS webgl2:EXT_render_snorm: Has object.
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Has object.
-PASS webgl2:NV_shader_noperspective_interpolation: Supported
-PASS webgl2:NV_shader_noperspective_interpolation: Has object.
 PASS webgl2:OES_sample_variables: Supported
 PASS webgl2:OES_sample_variables: Has object.
 PASS webgl2:OES_shader_multisample_interpolation: Not supported

LayoutTests/webgl/resources/webgl-draft-extensions-flag.js

@@ -9,10 +9,8 @@ let currentDraftExtensions = {
     ],
     "webgl2" : [
         "EXT_blend_func_extended",
-        "EXT_conservative_depth",
         "EXT_render_snorm",
         "EXT_texture_mirror_clamp_to_edge",
-        "NV_shader_noperspective_interpolation",
         "OES_sample_variables",
         "OES_shader_multisample_interpolation",
         "WEBGL_draw_instanced_base_vertex_base_instance",

LayoutTests/webgl/webgl-draft-extensions-flag-default-expected.txt

@@ -2,7 +2,7 @@ This test outputs which WebGL draft extensions are available.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
-TEST COMPLETE: 25 PASS, 0 FAIL
+TEST COMPLETE: 21 PASS, 0 FAIL
 
 
 PASS webgl:EXT_blend_func_extended: Supported
@@ -11,14 +11,10 @@ PASS webgl:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl:EXT_texture_mirror_clamp_to_edge: Has object.
 PASS webgl2:EXT_blend_func_extended: Supported
 PASS webgl2:EXT_blend_func_extended: Has object.
-PASS webgl2:EXT_conservative_depth: Supported
-PASS webgl2:EXT_conservative_depth: Has object.
 PASS webgl2:EXT_render_snorm: Supported
 PASS webgl2:EXT_render_snorm: Has object.
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Has object.
-PASS webgl2:NV_shader_noperspective_interpolation: Supported
-PASS webgl2:NV_shader_noperspective_interpolation: Has object.
 PASS webgl2:OES_sample_variables: Supported
 PASS webgl2:OES_sample_variables: Has object.
 PASS webgl2:OES_shader_multisample_interpolation: Supported

LayoutTests/webgl/webgl-draft-extensions-flag-off-expected.txt

@@ -2,16 +2,14 @@ This test outputs which WebGL draft extensions are available.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
-TEST COMPLETE: 13 PASS, 0 FAIL
+TEST COMPLETE: 11 PASS, 0 FAIL
 
 
 PASS webgl:EXT_blend_func_extended: Not supported
 PASS webgl:EXT_texture_mirror_clamp_to_edge: Not supported
 PASS webgl2:EXT_blend_func_extended: Not supported
-PASS webgl2:EXT_conservative_depth: Not supported
 PASS webgl2:EXT_render_snorm: Not supported
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Not supported
-PASS webgl2:NV_shader_noperspective_interpolation: Not supported
 PASS webgl2:OES_sample_variables: Not supported
 PASS webgl2:OES_shader_multisample_interpolation: Not supported
 PASS webgl2:WEBGL_draw_instanced_base_vertex_base_instance: Not supported

LayoutTests/webgl/webgl-draft-extensions-flag-on-expected.txt

@@ -2,7 +2,7 @@ This test outputs which WebGL draft extensions are available.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
-TEST COMPLETE: 25 PASS, 0 FAIL
+TEST COMPLETE: 21 PASS, 0 FAIL
 
 
 PASS webgl:EXT_blend_func_extended: Supported
@@ -11,14 +11,10 @@ PASS webgl:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl:EXT_texture_mirror_clamp_to_edge: Has object.
 PASS webgl2:EXT_blend_func_extended: Supported
 PASS webgl2:EXT_blend_func_extended: Has object.
-PASS webgl2:EXT_conservative_depth: Supported
-PASS webgl2:EXT_conservative_depth: Has object.
 PASS webgl2:EXT_render_snorm: Supported
 PASS webgl2:EXT_render_snorm: Has object.
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Supported
 PASS webgl2:EXT_texture_mirror_clamp_to_edge: Has object.
-PASS webgl2:NV_shader_noperspective_interpolation: Supported
-PASS webgl2:NV_shader_noperspective_interpolation: Has object.
 PASS webgl2:OES_sample_variables: Supported
 PASS webgl2:OES_sample_variables: Has object.
 PASS webgl2:OES_shader_multisample_interpolation: Supported

Source/WebCore/html/canvas/WebGL2RenderingContext.cpp

@@ -2598,7 +2598,7 @@ std::optional<WebGLExtensionAny> WebGL2RenderingContext::getExtension(const Stri
     ENABLE_IF_REQUESTED(EXTClipControl, m_extClipControl, "EXT_clip_control"_s, EXTClipControl::supported(*m_context));
     ENABLE_IF_REQUESTED(EXTColorBufferFloat, m_extColorBufferFloat, "EXT_color_buffer_float"_s, EXTColorBufferFloat::supported(*m_context));
     ENABLE_IF_REQUESTED(EXTColorBufferHalfFloat, m_extColorBufferHalfFloat, "EXT_color_buffer_half_float"_s, EXTColorBufferHalfFloat::supported(*m_context));
-    ENABLE_IF_REQUESTED(EXTConservativeDepth, m_extConservativeDepth, "EXT_conservative_depth"_s, EXTConservativeDepth::supported(*m_context) && enableDraftExtensions);
+    ENABLE_IF_REQUESTED(EXTConservativeDepth, m_extConservativeDepth, "EXT_conservative_depth"_s, EXTConservativeDepth::supported(*m_context));
     ENABLE_IF_REQUESTED(EXTDepthClamp, m_extDepthClamp, "EXT_depth_clamp"_s, EXTDepthClamp::supported(*m_context));
     ENABLE_IF_REQUESTED(EXTDisjointTimerQueryWebGL2, m_extDisjointTimerQueryWebGL2, "EXT_disjoint_timer_query_webgl2"_s, EXTDisjointTimerQueryWebGL2::supported(*m_context) && scriptExecutionContext()->settingsValues().webGLTimerQueriesEnabled);
     ENABLE_IF_REQUESTED(EXTFloatBlend, m_extFloatBlend, "EXT_float_blend"_s, EXTFloatBlend::supported(*m_context));
@@ -2610,7 +2610,7 @@ std::optional<WebGLExtensionAny> WebGL2RenderingContext::getExtension(const Stri
     ENABLE_IF_REQUESTED(EXTTextureMirrorClampToEdge, m_extTextureMirrorClampToEdge, "EXT_texture_mirror_clamp_to_edge"_s, EXTTextureMirrorClampToEdge::supported(*m_context) && enableDraftExtensions);
     ENABLE_IF_REQUESTED(EXTTextureNorm16, m_extTextureNorm16, "EXT_texture_norm16"_s, EXTTextureNorm16::supported(*m_context));
     ENABLE_IF_REQUESTED(KHRParallelShaderCompile, m_khrParallelShaderCompile, "KHR_parallel_shader_compile"_s, KHRParallelShaderCompile::supported(*m_context));
-    ENABLE_IF_REQUESTED(NVShaderNoperspectiveInterpolation, m_nvShaderNoperspectiveInterpolation, "NV_shader_noperspective_interpolation"_s, NVShaderNoperspectiveInterpolation::supported(*m_context) && enableDraftExtensions);
+    ENABLE_IF_REQUESTED(NVShaderNoperspectiveInterpolation, m_nvShaderNoperspectiveInterpolation, "NV_shader_noperspective_interpolation"_s, NVShaderNoperspectiveInterpolation::supported(*m_context));
     ENABLE_IF_REQUESTED(OESDrawBuffersIndexed, m_oesDrawBuffersIndexed, "OES_draw_buffers_indexed"_s, OESDrawBuffersIndexed::supported(*m_context));
     ENABLE_IF_REQUESTED(OESSampleVariables, m_oesSampleVariables, "OES_sample_variables"_s, OESSampleVariables::supported(*m_context) && enableDraftExtensions);
     ENABLE_IF_REQUESTED(OESShaderMultisampleInterpolation, m_oesShaderMultisampleInterpolation, "OES_shader_multisample_interpolation"_s, OESShaderMultisampleInterpolation::supported(*m_context) && enableDraftExtensions);
@@ -2653,7 +2653,7 @@ std::optional<Vector<String>> WebGL2RenderingContext::getSupportedExtensions()
     APPEND_IF_SUPPORTED("EXT_clip_control", EXTClipControl::supported(*m_context))
     APPEND_IF_SUPPORTED("EXT_color_buffer_float", EXTColorBufferFloat::supported(*m_context))
     APPEND_IF_SUPPORTED("EXT_color_buffer_half_float", EXTColorBufferHalfFloat::supported(*m_context))
-    APPEND_IF_SUPPORTED("EXT_conservative_depth", EXTConservativeDepth::supported(*m_context) && enableDraftExtensions)
+    APPEND_IF_SUPPORTED("EXT_conservative_depth", EXTConservativeDepth::supported(*m_context))
     APPEND_IF_SUPPORTED("EXT_depth_clamp", EXTDepthClamp::supported(*m_context))
     APPEND_IF_SUPPORTED("EXT_disjoint_timer_query_webgl2", EXTDisjointTimerQueryWebGL2::supported(*m_context) && scriptExecutionContext()->settingsValues().webGLTimerQueriesEnabled)
     APPEND_IF_SUPPORTED("EXT_float_blend", EXTFloatBlend::supported(*m_context))
@@ -2665,7 +2665,7 @@ std::optional<Vector<String>> WebGL2RenderingContext::getSupportedExtensions()
     APPEND_IF_SUPPORTED("EXT_texture_mirror_clamp_to_edge", EXTTextureMirrorClampToEdge::supported(*m_context) && enableDraftExtensions)
     APPEND_IF_SUPPORTED("EXT_texture_norm16", EXTTextureNorm16::supported(*m_context))
     APPEND_IF_SUPPORTED("KHR_parallel_shader_compile", KHRParallelShaderCompile::supported(*m_context))
-    APPEND_IF_SUPPORTED("NV_shader_noperspective_interpolation", NVShaderNoperspectiveInterpolation::supported(*m_context) && enableDraftExtensions)
+    APPEND_IF_SUPPORTED("NV_shader_noperspective_interpolation", NVShaderNoperspectiveInterpolation::supported(*m_context))
     APPEND_IF_SUPPORTED("OES_draw_buffers_indexed", OESDrawBuffersIndexed::supported(*m_context))
     APPEND_IF_SUPPORTED("OES_sample_variables", OESSampleVariables::supported(*m_context) && enableDraftExtensions)
     APPEND_IF_SUPPORTED("OES_shader_multisample_interpolation", OESShaderMultisampleInterpolation::supported(*m_context) && enableDraftExtensions)