blob: 5bc0ae41e4015e7dc33cbf7ae862ac98ca551ff8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/context_group.h"
#include "gpu/command_buffer/service/buffer_manager.h"
#include "gpu/command_buffer/service/id_manager.h"
#include "gpu/command_buffer/service/program_manager.h"
#include "gpu/command_buffer/service/shader_manager.h"
#include "gpu/command_buffer/service/texture_manager.h"
namespace gpu {
namespace gles2 {
ContextGroup::ContextGroup()
: initialized_(false),
max_vertex_attribs_(0u),
max_texture_units_(0u) {
}
ContextGroup::~ContextGroup() {
}
bool ContextGroup::Initialize() {
if (initialized_) {
return true;
}
id_manager_.reset(new IdManager());
buffer_manager_.reset(new BufferManager());
shader_manager_.reset(new ShaderManager());
program_manager_.reset(new ProgramManager());
// Lookup GL things we need to know.
GLint value;
glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &value);
max_vertex_attribs_ = value;
const GLuint kGLES2RequiredMiniumumVertexAttribs = 8u;
DCHECK_GE(max_vertex_attribs_, kGLES2RequiredMiniumumVertexAttribs);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &value);
max_texture_units_ = value;
const GLuint kGLES2RequiredMiniumumTextureUnits = 8u;
DCHECK_GE(max_texture_units_, kGLES2RequiredMiniumumTextureUnits);
GLint max_texture_size;
GLint max_cube_map_texture_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
glGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, &max_cube_map_texture_size);
texture_manager_.reset(new TextureManager(max_texture_size,
max_cube_map_texture_size));
initialized_ = true;
return true;
}
} // namespace gles2
} // namespace gpu
|
