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[Impeller] disable blending in gaussian intermediate steps. #51118

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Mar 6, 2024
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[Impeller] disable blending in gaussian intermediate steps. #51118

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4 changes: 2 additions & 2 deletions impeller/entity/contents/filters/gaussian_blur_filter_contents.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,7 @@
#include "impeller/entity/contents/content_context.h"
#include "impeller/entity/texture_fill.frag.h"
#include "impeller/entity/texture_fill.vert.h"
#include "impeller/renderer/command.h"
#include "impeller/renderer/render_pass.h"
#include "impeller/renderer/texture_mipmap.h"
#include "impeller/renderer/vertex_buffer_builder.h"

namespace impeller {
Expand Down Expand Up @@ -86,6 +84,7 @@ fml::StatusOr<RenderTarget> MakeDownsampleSubpass(
pass.SetCommandLabel("Gaussian blur downsample");
auto pipeline_options = OptionsFromPass(pass);
pipeline_options.primitive_type = PrimitiveType::kTriangleStrip;
pipeline_options.blend_mode = BlendMode::kSource;
pass.SetPipeline(renderer.GetTexturePipeline(pipeline_options));

TextureFillVertexShader::FrameInfo frame_info;
Expand Down Expand Up @@ -147,6 +146,7 @@ fml::StatusOr<RenderTarget> MakeBlurSubpass(

ContentContextOptions options = OptionsFromPass(pass);
options.primitive_type = PrimitiveType::kTriangleStrip;
options.blend_mode = BlendMode::kSource;

if (tile_mode == Entity::TileMode::kDecal &&
!renderer.GetDeviceCapabilities()
Expand Down