Convert Atlas texture to be Float16 from Float32 (#11637) ce781fdcc0 * Convert to Float16 * Clang * Update render_context_vulkan_impl.cpp * Updated GMS * Update render_context_gl_impl.cpp * gms * Josh's comments * GMS * Update GMS * Rebase GMS * GMS * GMS Co-authored-by: John White <aliasbinman@gmail.com>

diff --git a/.rive_head b/.rive_head
index 06926e6..b39f688 100644
--- a/.rive_head
+++ b/.rive_head

@@ -1 +1 @@
-37764336dbdb4b78d2be6842cd9cf34dacf996f1
+ce781fdcc017db12a3f4509b017a5b652d702ac3

diff --git a/renderer/include/rive/renderer/gl/render_context_gl_impl.hpp b/renderer/include/rive/renderer/gl/render_context_gl_impl.hpp
index 20e3e6d..b1fd92f 100644
--- a/renderer/include/rive/renderer/gl/render_context_gl_impl.hpp
+++ b/renderer/include/rive/renderer/gl/render_context_gl_impl.hpp

@@ -81,8 +81,8 @@
     // These are sorted with the most preferred types higher up in the list.
     enum class AtlasType
     {
-        r32f, // Most preferred. Uses HW blending to count coverage.
-        r16f, // Uses HW blending but loses precision on complex feathers.
+        r16f, // Most preferred. Balances performances with precision.
+        r32f, // Uses HW blending to count coverage.
 
         r32uiFramebufferFetch, // Stores coverage as fp32 bits in a uint.
         r32uiPixelLocalStorage,

diff --git a/renderer/src/d3d11/render_context_d3d_impl.cpp b/renderer/src/d3d11/render_context_d3d_impl.cpp
index 455ad56..b32baba 100644
--- a/renderer/src/d3d11/render_context_d3d_impl.cpp
+++ b/renderer/src/d3d11/render_context_d3d_impl.cpp

@@ -1354,7 +1354,7 @@
     }
     else
     {
-        m_atlasTexture = makeSimple2DTexture(DXGI_FORMAT_R32_FLOAT,
+        m_atlasTexture = makeSimple2DTexture(DXGI_FORMAT_R16_FLOAT,
                                              width,
                                              height,
                                              1,

diff --git a/renderer/src/d3d12/render_context_d3d12_impl.cpp b/renderer/src/d3d12/render_context_d3d12_impl.cpp
index eaf5104..c5cc1b6 100644
--- a/renderer/src/d3d12/render_context_d3d12_impl.cpp
+++ b/renderer/src/d3d12/render_context_d3d12_impl.cpp

@@ -751,13 +751,13 @@
     else
     {
 
-        D3D12_CLEAR_VALUE clear{DXGI_FORMAT_R32_FLOAT, {}};
+        D3D12_CLEAR_VALUE clear{DXGI_FORMAT_R16_FLOAT, {}};
 
         m_atlasTexture = m_resourceManager->make2DTexture(
             width,
             height,
             1,
-            DXGI_FORMAT_R32_FLOAT,
+            DXGI_FORMAT_R16_FLOAT,
             D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET,
             D3D12_RESOURCE_STATE_COMMON,
             D3D12_HEAP_FLAG_NONE,

diff --git a/renderer/src/gl/render_context_gl_impl.cpp b/renderer/src/gl/render_context_gl_impl.cpp
index e3b0dea..464a4bb 100644
--- a/renderer/src/gl/render_context_gl_impl.cpp
+++ b/renderer/src/gl/render_context_gl_impl.cpp

@@ -83,11 +83,17 @@
 static RenderContextGLImpl::AtlasType select_atlas_type(
     const GLCapabilities& capabilities,
     RenderContextGLImpl::AtlasType atlasDesiredType =
-        RenderContextGLImpl::AtlasType::r32f)
+        RenderContextGLImpl::AtlasType::r16f)
 {
     switch (atlasDesiredType)
     {
         using AtlasType = RenderContextGLImpl::AtlasType;
+        case AtlasType::r16f:
+            if (capabilities.EXT_color_buffer_half_float)
+            {
+                return AtlasType::r16f;
+            }
+            [[fallthrough]];
         case AtlasType::r32f:
             if (capabilities.EXT_color_buffer_float &&
                 capabilities.EXT_float_blend)
@@ -97,12 +103,6 @@
                 return AtlasType::r32f;
             }
             [[fallthrough]];
-        case AtlasType::r16f:
-            if (capabilities.EXT_color_buffer_half_float)
-            {
-                return AtlasType::r16f;
-            }
-            [[fallthrough]];
         case AtlasType::r32uiFramebufferFetch:
             if (capabilities.EXT_shader_framebuffer_fetch)
             {

diff --git a/renderer/src/metal/render_context_metal_impl.mm b/renderer/src/metal/render_context_metal_impl.mm
index 2e01674..61fb292 100644
--- a/renderer/src/metal/render_context_metal_impl.mm
+++ b/renderer/src/metal/render_context_metal_impl.mm

@@ -149,7 +149,7 @@
         desc.vertexFunction =
             [plsLibrary newFunctionWithName:@GLSL_atlasVertexMain];
         desc.fragmentFunction = [plsLibrary newFunctionWithName:fragmentMain];
-        desc.colorAttachments[0].pixelFormat = MTLPixelFormatR32Float;
+        desc.colorAttachments[0].pixelFormat = MTLPixelFormatR16Float;
         desc.colorAttachments[0].blendingEnabled = TRUE;
         desc.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorOne;
         desc.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOne;
@@ -924,7 +924,7 @@
     }
 
     MTLTextureDescriptor* desc = [[MTLTextureDescriptor alloc] init];
-    desc.pixelFormat = MTLPixelFormatR32Float;
+    desc.pixelFormat = MTLPixelFormatR16Float;
     desc.width = width;
     desc.height = height;
     desc.usage = MTLTextureUsageRenderTarget | MTLTextureUsageShaderRead;

diff --git a/renderer/src/vulkan/pipeline_manager_vulkan.cpp b/renderer/src/vulkan/pipeline_manager_vulkan.cpp
index ce958fa..dcdcce2 100644
--- a/renderer/src/vulkan/pipeline_manager_vulkan.cpp
+++ b/renderer/src/vulkan/pipeline_manager_vulkan.cpp

@@ -52,13 +52,7 @@
 PipelineManagerVulkan::PipelineManagerVulkan(rcp<VulkanContext> vk,
                                              ShaderCompilationMode mode,
                                              VkImageView nullTextureView) :
-    Super(mode),
-    m_vk(std::move(vk)),
-    m_atlasFormat(m_vk->isFormatSupportedWithFeatureFlags(
-                      VK_FORMAT_R32_SFLOAT,
-                      VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT)
-                      ? VK_FORMAT_R32_SFLOAT
-                      : VK_FORMAT_R16_SFLOAT)
+    Super(mode), m_vk(std::move(vk)), m_atlasFormat(VK_FORMAT_R16_SFLOAT)
 {
     // Create the immutable samplers.
     VkSamplerCreateInfo linearSamplerCreateInfo = {