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762294cf2d
This reverts commit f456423cfb820d07bb36e9a8979e3d75cc9d8d76. This is being reverted because it caused flutter/flutter#45098 (images don't load on iOS).
115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/shell/platform/embedder/embedder_surface_gl.h"
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#include "flutter/shell/common/shell_io_manager.h"
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namespace flutter {
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EmbedderSurfaceGL::EmbedderSurfaceGL(
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GLDispatchTable gl_dispatch_table,
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bool fbo_reset_after_present,
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std::unique_ptr<EmbedderExternalViewEmbedder> external_view_embedder)
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: gl_dispatch_table_(gl_dispatch_table),
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fbo_reset_after_present_(fbo_reset_after_present),
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external_view_embedder_(std::move(external_view_embedder)) {
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// Make sure all required members of the dispatch table are checked.
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if (!gl_dispatch_table_.gl_make_current_callback ||
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!gl_dispatch_table_.gl_clear_current_callback ||
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!gl_dispatch_table_.gl_present_callback ||
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!gl_dispatch_table_.gl_fbo_callback) {
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return;
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}
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valid_ = true;
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}
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EmbedderSurfaceGL::~EmbedderSurfaceGL() = default;
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// |EmbedderSurface|
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bool EmbedderSurfaceGL::IsValid() const {
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return valid_;
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}
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// |GPUSurfaceGLDelegate|
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bool EmbedderSurfaceGL::GLContextMakeCurrent() {
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return gl_dispatch_table_.gl_make_current_callback();
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}
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// |GPUSurfaceGLDelegate|
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bool EmbedderSurfaceGL::GLContextClearCurrent() {
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return gl_dispatch_table_.gl_clear_current_callback();
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}
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// |GPUSurfaceGLDelegate|
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bool EmbedderSurfaceGL::GLContextPresent() {
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return gl_dispatch_table_.gl_present_callback();
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}
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// |GPUSurfaceGLDelegate|
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intptr_t EmbedderSurfaceGL::GLContextFBO() const {
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return gl_dispatch_table_.gl_fbo_callback();
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}
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// |GPUSurfaceGLDelegate|
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bool EmbedderSurfaceGL::GLContextFBOResetAfterPresent() const {
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return fbo_reset_after_present_;
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}
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// |GPUSurfaceGLDelegate|
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SkMatrix EmbedderSurfaceGL::GLContextSurfaceTransformation() const {
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auto callback = gl_dispatch_table_.gl_surface_transformation_callback;
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if (!callback) {
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SkMatrix matrix;
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matrix.setIdentity();
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return matrix;
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}
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return callback();
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}
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// |GPUSurfaceGLDelegate|
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ExternalViewEmbedder* EmbedderSurfaceGL::GetExternalViewEmbedder() {
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return external_view_embedder_.get();
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}
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// |GPUSurfaceGLDelegate|
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EmbedderSurfaceGL::GLProcResolver EmbedderSurfaceGL::GetGLProcResolver() const {
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return gl_dispatch_table_.gl_proc_resolver;
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}
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// |EmbedderSurface|
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std::unique_ptr<Surface> EmbedderSurfaceGL::CreateGPUSurface() {
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const bool render_to_surface = !external_view_embedder_;
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return std::make_unique<GPUSurfaceGL>(this, // GPU surface GL delegate
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render_to_surface // render to surface
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);
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}
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// |EmbedderSurface|
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sk_sp<GrContext> EmbedderSurfaceGL::CreateResourceContext() const {
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auto callback = gl_dispatch_table_.gl_make_resource_current_callback;
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if (callback && callback()) {
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if (auto context = ShellIOManager::CreateCompatibleResourceLoadingContext(
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GrBackend::kOpenGL_GrBackend, GetGLInterface())) {
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return context;
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} else {
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FML_LOG(ERROR)
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<< "Internal error: Resource context available but could not create "
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"a compatible Skia context.";
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return nullptr;
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}
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}
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// The callback was not available or failed.
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FML_LOG(ERROR)
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<< "Could not create a resource context for async texture uploads. "
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"Expect degraded performance. Set a valid make_resource_current "
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"callback on FlutterOpenGLRendererConfig.";
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return nullptr;
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}
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} // namespace flutter
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