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[Impeller] Set color attachment pixel format to RGBA on OpenGLES backend #37843

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Nov 22, 2022
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[Impeller] Set color attachment pixel format to RGBA on OpenGLES backend #37843

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[Impeller] Set color attachment pixel format to RGBA on OpenGLES backend
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@ColdPaleLight
ColdPaleLight committed Nov 22, 2022
commit 5095a4e1d93efcaaf7fb58ae50312d41bfc19d0e
5 changes: 5 additions & 0 deletions impeller/renderer/backend/gles/context_gles.cc
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Expand Up @@ -142,4 +142,9 @@ const BackendFeatures& ContextGLES::GetBackendFeatures() const {
return kLegacyBackendFeatures;
}

// |Context|
PixelFormat ContextGLES::GetColorAttachmentPixelFormat() const {
return PixelFormat::kR8G8B8A8UNormInt;
}

} // namespace impeller
3 changes: 3 additions & 0 deletions impeller/renderer/backend/gles/context_gles.h
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Expand Up @@ -76,6 +76,9 @@ class ContextGLES final : public Context,
// |Context|
const BackendFeatures& GetBackendFeatures() const override;

// |Context|
PixelFormat GetColorAttachmentPixelFormat() const override;

FML_DISALLOW_COPY_AND_ASSIGN(ContextGLES);
};

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6 changes: 3 additions & 3 deletions impeller/renderer/render_target.cc
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Expand Up @@ -192,7 +192,7 @@ RenderTarget RenderTarget::CreateOffscreen(const Context& context,

TextureDescriptor color_tex0;
color_tex0.storage_mode = color_storage_mode;
color_tex0.format = PixelFormat::kDefaultColor;
color_tex0.format = context.GetColorAttachmentPixelFormat();
color_tex0.size = size;
color_tex0.usage = static_cast<uint64_t>(TextureUsage::kRenderTarget) |
static_cast<uint64_t>(TextureUsage::kShaderRead);
Expand Down Expand Up @@ -257,7 +257,7 @@ RenderTarget RenderTarget::CreateOffscreenMSAA(
color0_tex_desc.storage_mode = color_storage_mode;
color0_tex_desc.type = TextureType::kTexture2DMultisample;
color0_tex_desc.sample_count = SampleCount::kCount4;
color0_tex_desc.format = PixelFormat::kDefaultColor;
color0_tex_desc.format = context.GetColorAttachmentPixelFormat();
color0_tex_desc.size = size;
color0_tex_desc.usage = static_cast<uint64_t>(TextureUsage::kRenderTarget);

Expand All @@ -274,7 +274,7 @@ RenderTarget RenderTarget::CreateOffscreenMSAA(

TextureDescriptor color0_resolve_tex_desc;
color0_resolve_tex_desc.storage_mode = color_resolve_storage_mode;
color0_resolve_tex_desc.format = PixelFormat::kDefaultColor;
color0_resolve_tex_desc.format = context.GetColorAttachmentPixelFormat();
color0_resolve_tex_desc.size = size;
color0_resolve_tex_desc.usage =
static_cast<uint64_t>(TextureUsage::kRenderTarget) |
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