Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(105)

Side by Side Diff: cc/output/geometry_binding.cc

Issue 734063004: Update from https://crrev.com/304418 (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 6 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « cc/layers/tiled_layer_unittest.cc ('k') | cc/output/overlay_unittest.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 "cc/output/geometry_binding.h" 5 #include "cc/output/geometry_binding.h"
6 6
7 #include "cc/output/gl_renderer.h" // For the GLC() macro. 7 #include "cc/output/gl_renderer.h" // For the GLC() macro.
8 #include "gpu/command_buffer/client/gles2_interface.h" 8 #include "gpu/command_buffer/client/gles2_interface.h"
9 #include "ui/gfx/geometry/rect_f.h" 9 #include "ui/gfx/geometry/rect_f.h"
10 10
11 namespace cc { 11 namespace cc {
12 12
13 GeometryBinding::GeometryBinding(gpu::gles2::GLES2Interface* gl, 13 GeometryBinding::GeometryBinding(gpu::gles2::GLES2Interface* gl,
14 const gfx::RectF& quad_vertex_rect) 14 const gfx::RectF& quad_vertex_rect)
15 : gl_(gl), quad_vertices_vbo_(0), quad_elements_vbo_(0) { 15 : gl_(gl), quad_vertices_vbo_(0), quad_elements_vbo_(0) {
16 struct Vertex { 16 struct Vertex {
17 float a_position[3]; 17 float a_position[3];
18 float a_texCoord[2]; 18 float a_texCoord[2];
19 // Index of the vertex, divide by 4 to have the matrix for this quad. 19 // Index of the vertex, divide by 4 to have the matrix for this quad.
20 float a_index; 20 float a_index;
21 }; 21 };
22 struct Quad { 22 struct Quad {
23 Vertex v0, v1, v2, v3; 23 Vertex v0, v1, v2, v3;
24 }; 24 };
25 struct QuadIndex { 25 struct QuadIndex {
26 uint16 data[6]; 26 uint16 data[6];
27 }; 27 };
28 28
29 COMPILE_ASSERT(sizeof(Quad) == 24 * sizeof(float), // NOLINT(runtime/sizeof) 29 COMPILE_ASSERT(sizeof(Quad) == 24 * sizeof(float), struct_is_densely_packed);
30 COMPILE_ASSERT(sizeof(QuadIndex) == 6 * sizeof(uint16_t),
30 struct_is_densely_packed); 31 struct_is_densely_packed);
31 COMPILE_ASSERT(
32 sizeof(QuadIndex) == 6 * sizeof(uint16_t), // NOLINT(runtime/sizeof)
33 struct_is_densely_packed);
34 32
35 Quad quad_list[8]; 33 Quad quad_list[8];
36 QuadIndex quad_index_list[8]; 34 QuadIndex quad_index_list[8];
37 for (int i = 0; i < 8; i++) { 35 for (int i = 0; i < 8; i++) {
38 Vertex v0 = {{quad_vertex_rect.x(), quad_vertex_rect.bottom(), 0.0f, }, 36 Vertex v0 = {{quad_vertex_rect.x(), quad_vertex_rect.bottom(), 0.0f, },
39 {0.0f, 1.0f, }, i * 4.0f + 0.0f}; 37 {0.0f, 1.0f, }, i * 4.0f + 0.0f};
40 Vertex v1 = {{quad_vertex_rect.x(), quad_vertex_rect.y(), 0.0f, }, 38 Vertex v1 = {{quad_vertex_rect.x(), quad_vertex_rect.y(), 0.0f, },
41 {0.0f, 0.0f, }, i * 4.0f + 1.0f}; 39 {0.0f, 0.0f, }, i * 4.0f + 1.0f};
42 Vertex v2 = {{quad_vertex_rect.right(), quad_vertex_rect.y(), 0.0f, }, 40 Vertex v2 = {{quad_vertex_rect.right(), quad_vertex_rect.y(), 0.0f, },
43 {1.0f, .0f, }, i * 4.0f + 2.0f}; 41 {1.0f, .0f, }, i * 4.0f + 2.0f};
(...skipping 28 matching lines...) Expand all
72 } 70 }
73 71
74 void GeometryBinding::PrepareForDraw() { 72 void GeometryBinding::PrepareForDraw() {
75 GLC(gl_, gl_->BindBuffer(GL_ELEMENT_ARRAY_BUFFER, quad_elements_vbo_)); 73 GLC(gl_, gl_->BindBuffer(GL_ELEMENT_ARRAY_BUFFER, quad_elements_vbo_));
76 74
77 GLC(gl_, gl_->BindBuffer(GL_ARRAY_BUFFER, quad_vertices_vbo_)); 75 GLC(gl_, gl_->BindBuffer(GL_ARRAY_BUFFER, quad_vertices_vbo_));
78 // OpenGL defines the last parameter to VertexAttribPointer as type 76 // OpenGL defines the last parameter to VertexAttribPointer as type
79 // "const GLvoid*" even though it is actually an offset into the buffer 77 // "const GLvoid*" even though it is actually an offset into the buffer
80 // object's data store and not a pointer to the client's address space. 78 // object's data store and not a pointer to the client's address space.
81 const void* offsets[3] = { 79 const void* offsets[3] = {
82 0, reinterpret_cast<const void*>( 80 0,
83 3 * sizeof(float)), // NOLINT(runtime/sizeof) 81 reinterpret_cast<const void*>(3 * sizeof(float)),
84 reinterpret_cast<const void*>(5 * 82 reinterpret_cast<const void*>(5 * sizeof(float)),
85 sizeof(float)), // NOLINT(runtime/sizeof)
86 }; 83 };
87 84
88 GLC(gl_, 85 GLC(gl_, gl_->VertexAttribPointer(PositionAttribLocation(), 3, GL_FLOAT,
89 gl_->VertexAttribPointer(PositionAttribLocation(), 86 false, 6 * sizeof(float), offsets[0]));
90 3, 87 GLC(gl_, gl_->VertexAttribPointer(TexCoordAttribLocation(), 2, GL_FLOAT,
91 GL_FLOAT, 88 false, 6 * sizeof(float), offsets[1]));
92 false, 89 GLC(gl_, gl_->VertexAttribPointer(TriangleIndexAttribLocation(), 1, GL_FLOAT,
93 6 * sizeof(float), // NOLINT(runtime/sizeof) 90 false, 6 * sizeof(float), offsets[2]));
94 offsets[0]));
95 GLC(gl_,
96 gl_->VertexAttribPointer(TexCoordAttribLocation(),
97 2,
98 GL_FLOAT,
99 false,
100 6 * sizeof(float), // NOLINT(runtime/sizeof)
101 offsets[1]));
102 GLC(gl_,
103 gl_->VertexAttribPointer(TriangleIndexAttribLocation(),
104 1,
105 GL_FLOAT,
106 false,
107 6 * sizeof(float), // NOLINT(runtime/sizeof)
108 offsets[2]));
109 GLC(gl_, gl_->EnableVertexAttribArray(PositionAttribLocation())); 91 GLC(gl_, gl_->EnableVertexAttribArray(PositionAttribLocation()));
110 GLC(gl_, gl_->EnableVertexAttribArray(TexCoordAttribLocation())); 92 GLC(gl_, gl_->EnableVertexAttribArray(TexCoordAttribLocation()));
111 GLC(gl_, gl_->EnableVertexAttribArray(TriangleIndexAttribLocation())); 93 GLC(gl_, gl_->EnableVertexAttribArray(TriangleIndexAttribLocation()));
112 } 94 }
113 95
114 } // namespace cc 96 } // namespace cc
OLDNEW
« no previous file with comments | « cc/layers/tiled_layer_unittest.cc ('k') | cc/output/overlay_unittest.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698