Work around Android GL driver bugs that surfaced with the feather change

Diffs=
77a886e285 Work around Android GL driver bugs that surfaced with the feather change (#8901)

Co-authored-by: Chris Dalton <99840794+csmartdalton@users.noreply.github.com>

.rive_head

diff --git a/.rive_head b/.rive_head
index bd53f77..ae0cbac 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-52c045aaf73d9dac513a68c86323c956c0063136
+77a886e2855287d72c853d3da89a09db3f139e42

renderer/src/gl/render_context_gl_impl.cpp

diff --git a/renderer/src/gl/render_context_gl_impl.cpp b/renderer/src/gl/render_context_gl_impl.cpp
index 939383b..40ed176 100644
--- a/renderer/src/gl/render_context_gl_impl.cpp
+++ b/renderer/src/gl/render_context_gl_impl.cpp
@@ -1857,7 +1857,16 @@
     {
         if (capabilities.isContextVersionAtLeast(3, 1))
         {
-            capabilities.ARB_shader_storage_buffer_object = true;
+            // Don't use storage buffers if we're on Android ANGLE. ANGLE
+            // doesn't have strong support for 3.1+ functionality, and storage
+            // buffers get rendering artifacts on Galaxy S22
+            // (OpenGL Samsung Electronics Co., Ltd.;
+            // ANGLE (Samsung Xclipse 920) on Vulkan 1.1.179;
+            // OpenGL ES 3.2 ANGLE git hash: c7c78c41d520).
+            if (!capabilities.isAndroidANGLE)
+            {
+                capabilities.ARB_shader_storage_buffer_object = true;
+            }
         }
     }
     else

renderer/src/shaders/draw_path.glsl

diff --git a/renderer/src/shaders/draw_path.glsl b/renderer/src/shaders/draw_path.glsl
index e619ee7..21ed0b4 100644
--- a/renderer/src/shaders/draw_path.glsl
+++ b/renderer/src/shaders/draw_path.glsl
@@ -370,7 +370,7 @@
     if (is_stroke(v_edgeDistance))
     {
         half fragCoverage;
-#if defined(@ENABLE_FEATHER)
+#ifdef @ENABLE_FEATHER
         if (@ENABLE_FEATHER && is_feathered_stroke(v_edgeDistance))
         {
             fragCoverage = feathered_stroke_coverage(
@@ -378,7 +378,7 @@
                 SAMPLED_R16F(@featherTexture, featherSampler));
         }
         else
-#endif
+#endif // @ENABLE_FEATHER
         {
             fragCoverage = min(v_edgeDistance.x, v_edgeDistance.y);
         }
@@ -396,7 +396,7 @@
                 SAMPLED_R16F(@featherTexture, featherSampler));
         }
         else
-#endif
+#endif // @CLOCKWISE_FILL && @ENABLE_FEATHER
         {
             fragCoverage = v_edgeDistance.x;
         }

renderer/src/shaders/draw_path_common.glsl

diff --git a/renderer/src/shaders/draw_path_common.glsl b/renderer/src/shaders/draw_path_common.glsl
index 43c8e69..b114b46 100644
--- a/renderer/src/shaders/draw_path_common.glsl
+++ b/renderer/src/shaders/draw_path_common.glsl
@@ -435,6 +435,7 @@
 #ifdef @FRAGMENT
 INLINE bool is_stroke(half2 edgeDistance) { return edgeDistance.y >= .0; }
 
+#ifdef @ENABLE_FEATHER
 INLINE bool is_feathered_stroke(half2 edgeDistance)
 {
     return edgeDistance.x < FEATHER_COVERAGE_THRESHOLD;
@@ -490,4 +491,5 @@
     fragCoverage *= exp2(x);
     return fragCoverage;
 }
+#endif // @ENABLE_FEATHER
 #endif // @FRAGMENT

renderer/src/shaders/metal/draw.metal

diff --git a/renderer/src/shaders/metal/draw.metal b/renderer/src/shaders/metal/draw.metal
index 3ef9ba6..a840e46 100644
--- a/renderer/src/shaders/metal/draw.metal
+++ b/renderer/src/shaders/metal/draw.metal
@@ -13,7 +13,9 @@
 #undef DRAW_IMAGE
 #define DRAW_PATH
 #define DRAW_INTERIOR_TRIANGLES
+#define ENABLE_FEATHER
 #include "draw_path_common.minified.glsl"
+#undef ENABLE_FEATHER
 #undef DRAW_INTERIOR_TRIANGLES
 #undef DRAW_PATH
 #undef VERTEX