Revert "[Impeller] add support for specialization constants. (#47432)" (

#47651)

This reverts commit f899cc7.

This is the same revert as #47650, but for the 3.17 release branch.

ci/licenses_golden/licenses_flutter

@@ -3134,13 +3134,42 @@ ORIGIN: ../../../flutter/impeller/entity/inline_pass_context.cc + ../../../flutt
 ORIGIN: ../../../flutter/impeller/entity/inline_pass_context.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/render_target_cache.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/render_target_cache.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend.glsl + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend.vert + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_color.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_colorburn.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_colordodge.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_darken.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_difference.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_exclusion.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_hardlight.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_hue.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_lighten.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_luminosity.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_multiply.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_overlay.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_saturation.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_screen.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_softlight.frag + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/shaders/blending/blend.frag + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/shaders/blending/blend.vert + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/entity/shaders/blending/blend_select.glsl + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/entity/shaders/blending/framebuffer_blend.frag + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/entity/shaders/blending/framebuffer_blend.vert + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend.glsl + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend.vert + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_color.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_colorburn.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_colordodge.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_darken.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_difference.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_exclusion.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_hardlight.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_hue.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_lighten.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_luminosity.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_multiply.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_overlay.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_saturation.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_screen.frag + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_softlight.frag + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/shaders/blending/porter_duff_blend.frag + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/shaders/blending/porter_duff_blend.vert + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/entity/shaders/border_mask_blur.frag + ../../../flutter/LICENSE
@@ -5888,13 +5917,42 @@ FILE: ../../../flutter/impeller/entity/inline_pass_context.cc
 FILE: ../../../flutter/impeller/entity/inline_pass_context.h
 FILE: ../../../flutter/impeller/entity/render_target_cache.cc
 FILE: ../../../flutter/impeller/entity/render_target_cache.h
-FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend.glsl
 FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend.vert
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_color.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_colorburn.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_colordodge.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_darken.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_difference.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_exclusion.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_hardlight.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_hue.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_lighten.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_luminosity.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_multiply.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_overlay.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_saturation.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_screen.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/advanced_blend_softlight.frag
 FILE: ../../../flutter/impeller/entity/shaders/blending/blend.frag
 FILE: ../../../flutter/impeller/entity/shaders/blending/blend.vert
-FILE: ../../../flutter/impeller/entity/shaders/blending/blend_select.glsl
-FILE: ../../../flutter/impeller/entity/shaders/blending/framebuffer_blend.frag
-FILE: ../../../flutter/impeller/entity/shaders/blending/framebuffer_blend.vert
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend.glsl
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend.vert
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_color.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_colorburn.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_colordodge.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_darken.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_difference.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_exclusion.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_hardlight.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_hue.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_lighten.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_luminosity.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_multiply.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_overlay.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_saturation.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_screen.frag
+FILE: ../../../flutter/impeller/entity/shaders/blending/ios/framebuffer_blend_softlight.frag
 FILE: ../../../flutter/impeller/entity/shaders/blending/porter_duff_blend.frag
 FILE: ../../../flutter/impeller/entity/shaders/blending/porter_duff_blend.vert
 FILE: ../../../flutter/impeller/entity/shaders/border_mask_blur.frag

impeller/base/comparable.h

@@ -8,8 +8,12 @@
 #include <functional>
 #include <map>
 #include <memory>
+#include <string>
 #include <type_traits>
 
+#include "flutter/fml/hash_combine.h"
+#include "flutter/fml/macros.h"
+
 namespace impeller {
 
 struct UniqueID {

impeller/entity/BUILD.gn

@@ -15,7 +15,21 @@ impeller_shaders("entity_shaders") {
 
   shaders = [
     "shaders/blending/advanced_blend.vert",
-    "shaders/blending/advanced_blend.frag",
+    "shaders/blending/advanced_blend_color.frag",
+    "shaders/blending/advanced_blend_colorburn.frag",
+    "shaders/blending/advanced_blend_colordodge.frag",
+    "shaders/blending/advanced_blend_darken.frag",
+    "shaders/blending/advanced_blend_difference.frag",
+    "shaders/blending/advanced_blend_exclusion.frag",
+    "shaders/blending/advanced_blend_hardlight.frag",
+    "shaders/blending/advanced_blend_hue.frag",
+    "shaders/blending/advanced_blend_lighten.frag",
+    "shaders/blending/advanced_blend_luminosity.frag",
+    "shaders/blending/advanced_blend_multiply.frag",
+    "shaders/blending/advanced_blend_overlay.frag",
+    "shaders/blending/advanced_blend_saturation.frag",
+    "shaders/blending/advanced_blend_screen.frag",
+    "shaders/blending/advanced_blend_softlight.frag",
     "shaders/blending/blend.frag",
     "shaders/blending/blend.vert",
     "shaders/border_mask_blur.frag",
@@ -101,8 +115,22 @@ impeller_shaders("framebuffer_blend_entity_shaders") {
   }
 
   shaders = [
-    "shaders/blending/framebuffer_blend.vert",
-    "shaders/blending/framebuffer_blend.frag",
+    "shaders/blending/ios/framebuffer_blend.vert",
+    "shaders/blending/ios/framebuffer_blend_color.frag",
+    "shaders/blending/ios/framebuffer_blend_colorburn.frag",
+    "shaders/blending/ios/framebuffer_blend_colordodge.frag",
+    "shaders/blending/ios/framebuffer_blend_darken.frag",
+    "shaders/blending/ios/framebuffer_blend_difference.frag",
+    "shaders/blending/ios/framebuffer_blend_exclusion.frag",
+    "shaders/blending/ios/framebuffer_blend_hardlight.frag",
+    "shaders/blending/ios/framebuffer_blend_hue.frag",
+    "shaders/blending/ios/framebuffer_blend_lighten.frag",
+    "shaders/blending/ios/framebuffer_blend_luminosity.frag",
+    "shaders/blending/ios/framebuffer_blend_multiply.frag",
+    "shaders/blending/ios/framebuffer_blend_overlay.frag",
+    "shaders/blending/ios/framebuffer_blend_saturation.frag",
+    "shaders/blending/ios/framebuffer_blend_screen.frag",
+    "shaders/blending/ios/framebuffer_blend_softlight.frag",
   ]
 }
 

impeller/entity/contents/atlas_contents.cc

@@ -262,6 +262,8 @@ bool AtlasContents::Render(const ContentContext& renderer,
       dst_sampler_descriptor.width_address_mode = SamplerAddressMode::kDecal;
       dst_sampler_descriptor.height_address_mode = SamplerAddressMode::kDecal;
     }
+    frag_info.supports_decal_sampler_address_mode =
+        renderer.GetDeviceCapabilities().SupportsDecalSamplerAddressMode();
     auto dst_sampler = renderer.GetContext()->GetSamplerLibrary()->GetSampler(
         dst_sampler_descriptor);
     FS::BindTextureSamplerDst(cmd, texture_, dst_sampler);