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Side by Side Diff: chrome/browser/android/vr_shell/ui_elements/textured_element.cc

Issue 2856023003: Make UiElement a class (Closed)
Patch Set: rebase Created 3 years, 7 months ago
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1 // Copyright 2017 The Chromium Authors. All rights reserved. 1 // Copyright 2017 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/android/vr_shell/ui_elements/textured_element.h" 5 #include "chrome/browser/android/vr_shell/ui_elements/textured_element.h"
6 6
7 #include "cc/paint/skia_paint_canvas.h" 7 #include "cc/paint/skia_paint_canvas.h"
8 #include "chrome/browser/android/vr_shell/textures/ui_texture.h" 8 #include "chrome/browser/android/vr_shell/textures/ui_texture.h"
9 #include "chrome/browser/android/vr_shell/vr_shell_renderer.h" 9 #include "chrome/browser/android/vr_shell/vr_shell_renderer.h"
10 #include "third_party/skia/include/core/SkSurface.h" 10 #include "third_party/skia/include/core/SkSurface.h"
11 11
12 namespace vr_shell { 12 namespace vr_shell {
13 13
14 TexturedElement::TexturedElement(int maximum_width) 14 TexturedElement::TexturedElement(int maximum_width)
15 : texture_handle_(-1), maximum_width_(maximum_width) {} 15 : texture_handle_(-1), maximum_width_(maximum_width) {}
16 16
17 TexturedElement::~TexturedElement() = default; 17 TexturedElement::~TexturedElement() = default;
18 18
19 void TexturedElement::Initialize() { 19 void TexturedElement::Initialize() {
20 glGenTextures(1, &texture_handle_); 20 glGenTextures(1, &texture_handle_);
21 DCHECK(GetTexture() != nullptr); 21 DCHECK(GetTexture() != nullptr);
22 texture_size_ = GetTexture()->GetPreferredTextureSize(maximum_width_); 22 texture_size_ = GetTexture()->GetPreferredTextureSize(maximum_width_);
23 sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul( 23 sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(
24 texture_size_.width(), texture_size_.height()); 24 texture_size_.width(), texture_size_.height());
25 GetTexture()->DrawAndLayout(surface->getCanvas(), texture_size_); 25 GetTexture()->DrawAndLayout(surface->getCanvas(), texture_size_);
26 Flush(surface.get()); 26 Flush(surface.get());
27 fill = Fill::SELF; 27 set_fill(Fill::SELF);
28 gfx::SizeF drawn_size = GetTexture()->GetDrawnSize(); 28 gfx::SizeF drawn_size = GetTexture()->GetDrawnSize();
29 float y = drawn_size.height() / drawn_size.width() * size.x(); 29 float y = drawn_size.height() / drawn_size.width() * size().x();
30 size = {size.x(), y, 1}; 30 set_size({size().x(), y, 1});
31 } 31 }
32 32
33 void TexturedElement::Render(VrShellRenderer* renderer, 33 void TexturedElement::Render(VrShellRenderer* renderer,
34 vr::Mat4f view_proj_matrix) const { 34 vr::Mat4f view_proj_matrix) const {
35 gfx::SizeF drawn_size = GetTexture()->GetDrawnSize(); 35 gfx::SizeF drawn_size = GetTexture()->GetDrawnSize();
36 gfx::RectF copy_rect(0, 0, drawn_size.width() / texture_size_.width(), 36 gfx::RectF copy_rect(0, 0, drawn_size.width() / texture_size_.width(),
37 drawn_size.height() / texture_size_.height()); 37 drawn_size.height() / texture_size_.height());
38 renderer->GetTexturedQuadRenderer()->AddQuad( 38 renderer->GetTexturedQuadRenderer()->AddQuad(
39 texture_handle_, view_proj_matrix, copy_rect, opacity); 39 texture_handle_, view_proj_matrix, copy_rect, opacity());
40 } 40 }
41 41
42 void TexturedElement::Flush(SkSurface* surface) { 42 void TexturedElement::Flush(SkSurface* surface) {
43 cc::SkiaPaintCanvas paint_canvas(surface->getCanvas()); 43 cc::SkiaPaintCanvas paint_canvas(surface->getCanvas());
44 paint_canvas.flush(); 44 paint_canvas.flush();
45 SkPixmap pixmap; 45 SkPixmap pixmap;
46 CHECK(surface->peekPixels(&pixmap)); 46 CHECK(surface->peekPixels(&pixmap));
47 47
48 glBindTexture(GL_TEXTURE_2D, texture_handle_); 48 glBindTexture(GL_TEXTURE_2D, texture_handle_);
49 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 49 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
50 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 50 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
51 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 51 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
52 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 52 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
53 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.width(), pixmap.height(), 0, 53 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, pixmap.width(), pixmap.height(), 0,
54 GL_RGBA, GL_UNSIGNED_BYTE, pixmap.addr()); 54 GL_RGBA, GL_UNSIGNED_BYTE, pixmap.addr());
55 } 55 }
56 56
57 } // namespace vr_shell 57 } // namespace vr_shell
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