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[Impeller] Support for rendering Android Platform Views into a Hardwa…
…reBuffer backed texture. (#44087) - Introduce TextureRegistry.ImageTexture and related machinery. - Introduce ImageReaderPlatformViewRenderTarget. - Introduce HardwareBufferExternalTextureGL and related machinery. NOTE: ImageReaderPlatformViewRenderTarget requires Android 26. NOTE: This CL does not enable using ImageReaderPlatformViewRenderTarget yet. Related flutter/flutter#130892
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| Original file line number | Diff line number | Diff line change |
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| #include "flutter/impeller/toolkit/egl/image.h" | ||
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| namespace impeller {} |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| // Copyright 2013 The Flutter Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #pragma once | ||
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| #include "flutter/fml/unique_object.h" | ||
| #include "flutter/impeller/toolkit/egl/egl.h" | ||
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| namespace impeller { | ||
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| // Simple holder of an EGLImage and the owning EGLDisplay. | ||
| struct EGLImageWithDisplay { | ||
| EGLImage image = EGL_NO_IMAGE; | ||
| EGLDisplay display = EGL_NO_DISPLAY; | ||
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| constexpr bool operator==(const EGLImageWithDisplay& other) const { | ||
| return image == other.image && display == other.display; | ||
| } | ||
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| constexpr bool operator!=(const EGLImageWithDisplay& other) const { | ||
| return !(*this == other); | ||
| } | ||
| }; | ||
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| struct EGLImageWithDisplayTraits { | ||
| static EGLImageWithDisplay InvalidValue() { | ||
| return {EGL_NO_IMAGE, EGL_NO_DISPLAY}; | ||
| } | ||
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| static bool IsValid(const EGLImageWithDisplay& value) { | ||
| return value != InvalidValue(); | ||
| } | ||
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| static void Free(EGLImageWithDisplay image) { | ||
| eglDestroyImage(image.display, image.image); | ||
| } | ||
| }; | ||
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| using UniqueEGLImage = | ||
| fml::UniqueObject<EGLImageWithDisplay, EGLImageWithDisplayTraits>; | ||
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| // Simple holder of an EGLImageKHR and the owning EGLDisplay. | ||
| struct EGLImageKHRWithDisplay { | ||
| EGLImageKHR image = EGL_NO_IMAGE_KHR; | ||
| EGLDisplay display = EGL_NO_DISPLAY; | ||
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| constexpr bool operator==(const EGLImageKHRWithDisplay& other) const { | ||
| return image == other.image && display == other.display; | ||
| } | ||
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| constexpr bool operator!=(const EGLImageKHRWithDisplay& other) const { | ||
| return !(*this == other); | ||
| } | ||
| }; | ||
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| struct EGLImageKHRWithDisplayTraits { | ||
| static EGLImageKHRWithDisplay InvalidValue() { | ||
| return {EGL_NO_IMAGE_KHR, EGL_NO_DISPLAY}; | ||
| } | ||
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| static bool IsValid(const EGLImageKHRWithDisplay& value) { | ||
| return value != InvalidValue(); | ||
| } | ||
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| static void Free(EGLImageKHRWithDisplay image) { | ||
| eglDestroyImageKHR(image.display, image.image); | ||
| } | ||
| }; | ||
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| using UniqueEGLImageKHR = | ||
| fml::UniqueObject<EGLImageKHRWithDisplay, EGLImageKHRWithDisplayTraits>; | ||
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| } // namespace impeller |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| # Copyright 2013 The Flutter Authors. All rights reserved. | ||
| # Use of this source code is governed by a BSD-style license that can be | ||
| # found in the LICENSE file. | ||
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| import("../../tools/impeller.gni") | ||
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| impeller_component("gles") { | ||
| sources = [ | ||
| "gles.h", | ||
| "texture.cc", | ||
| "texture.h", | ||
| ] | ||
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| deps = [ | ||
| "../../base", | ||
| "//flutter/fml", | ||
| ] | ||
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| libs = [] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| // Copyright 2013 The Flutter Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #pragma once | ||
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| #include "GLES3/gl3.h" | ||
| #define GL_GLEXT_PROTOTYPES | ||
| #include "GLES2/gl2ext.h" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| #include "flutter/impeller/toolkit/gles/texture.h" | ||
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| namespace impeller {} |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,39 @@ | ||
| // Copyright 2013 The Flutter Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| #pragma once | ||
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| #include "flutter/fml/unique_object.h" | ||
| #include "flutter/impeller/toolkit/gles/gles.h" | ||
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| namespace impeller { | ||
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| // Simple holder of an GLTexture and the owning EGLDisplay. | ||
| struct GLTexture { | ||
| GLuint texture_name; | ||
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| constexpr bool operator==(const GLTexture& other) const { | ||
| return texture_name == other.texture_name; | ||
| } | ||
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| constexpr bool operator!=(const GLTexture& other) const { | ||
| return !(*this == other); | ||
| } | ||
| }; | ||
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| struct GLTextureTraits { | ||
| static GLTexture InvalidValue() { return {0}; } | ||
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| static bool IsValid(const GLTexture& value) { | ||
| return value != InvalidValue(); | ||
| } | ||
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| static void Free(GLTexture image) { | ||
| glDeleteTextures(1, &image.texture_name); | ||
| } | ||
| }; | ||
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| using UniqueGLTexture = fml::UniqueObject<GLTexture, GLTextureTraits>; | ||
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| } // namespace impeller |
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