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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "gpu/command_buffer/service/vertex_attrib_manager.h" | 5 #include "gpu/command_buffer/service/vertex_attrib_manager.h" |
6 | 6 |
| 7 #include <stdint.h> |
| 8 |
7 #include <list> | 9 #include <list> |
8 | 10 |
9 #include "base/logging.h" | 11 #include "base/logging.h" |
10 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
11 #include "base/strings/string_number_conversions.h" | 13 #include "base/strings/string_number_conversions.h" |
12 #include "build/build_config.h" | 14 #include "build/build_config.h" |
13 #define GLES2_GPU_SERVICE 1 | 15 #define GLES2_GPU_SERVICE 1 |
14 #include "gpu/command_buffer/common/gles2_cmd_format.h" | 16 #include "gpu/command_buffer/common/gles2_cmd_format.h" |
15 #include "gpu/command_buffer/common/gles2_cmd_utils.h" | 17 #include "gpu/command_buffer/common/gles2_cmd_utils.h" |
16 #include "gpu/command_buffer/service/buffer_manager.h" | 18 #include "gpu/command_buffer/service/buffer_manager.h" |
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77 if (!buffer_.get() || buffer_->IsDeleted()) { | 79 if (!buffer_.get() || buffer_->IsDeleted()) { |
78 return false; | 80 return false; |
79 } | 81 } |
80 | 82 |
81 // The number of elements that can be accessed. | 83 // The number of elements that can be accessed. |
82 GLsizeiptr buffer_size = buffer_->size(); | 84 GLsizeiptr buffer_size = buffer_->size(); |
83 if (offset_ > buffer_size || real_stride_ == 0) { | 85 if (offset_ > buffer_size || real_stride_ == 0) { |
84 return false; | 86 return false; |
85 } | 87 } |
86 | 88 |
87 uint32 usable_size = buffer_size - offset_; | 89 uint32_t usable_size = buffer_size - offset_; |
88 GLuint num_elements = usable_size / real_stride_ + | 90 GLuint num_elements = usable_size / real_stride_ + |
89 ((usable_size % real_stride_) >= | 91 ((usable_size % real_stride_) >= |
90 (GLES2Util::GetGLTypeSizeForTexturesAndBuffers(type_) * size_) ? 1 : 0); | 92 (GLES2Util::GetGLTypeSizeForTexturesAndBuffers(type_) * size_) ? 1 : 0); |
91 return index < num_elements; | 93 return index < num_elements; |
92 } | 94 } |
93 | 95 |
94 VertexAttribManager::VertexAttribManager() | 96 VertexAttribManager::VertexAttribManager() |
95 : num_fixed_attribs_(0), | 97 : num_fixed_attribs_(0), |
96 element_array_buffer_(NULL), | 98 element_array_buffer_(NULL), |
97 manager_(NULL), | 99 manager_(NULL), |
98 deleted_(false), | 100 deleted_(false), |
99 service_id_(0) { | 101 service_id_(0) { |
100 } | 102 } |
101 | 103 |
102 VertexAttribManager::VertexAttribManager( | 104 VertexAttribManager::VertexAttribManager(VertexArrayManager* manager, |
103 VertexArrayManager* manager, GLuint service_id, uint32 num_vertex_attribs) | 105 GLuint service_id, |
| 106 uint32_t num_vertex_attribs) |
104 : num_fixed_attribs_(0), | 107 : num_fixed_attribs_(0), |
105 element_array_buffer_(NULL), | 108 element_array_buffer_(NULL), |
106 manager_(manager), | 109 manager_(manager), |
107 deleted_(false), | 110 deleted_(false), |
108 service_id_(service_id) { | 111 service_id_(service_id) { |
109 manager_->StartTracking(this); | 112 manager_->StartTracking(this); |
110 Initialize(num_vertex_attribs, false); | 113 Initialize(num_vertex_attribs, false); |
111 } | 114 } |
112 | 115 |
113 VertexAttribManager::~VertexAttribManager() { | 116 VertexAttribManager::~VertexAttribManager() { |
114 if (manager_) { | 117 if (manager_) { |
115 if (manager_->have_context_) { | 118 if (manager_->have_context_) { |
116 if (service_id_ != 0) // 0 indicates an emulated VAO | 119 if (service_id_ != 0) // 0 indicates an emulated VAO |
117 glDeleteVertexArraysOES(1, &service_id_); | 120 glDeleteVertexArraysOES(1, &service_id_); |
118 } | 121 } |
119 manager_->StopTracking(this); | 122 manager_->StopTracking(this); |
120 manager_ = NULL; | 123 manager_ = NULL; |
121 } | 124 } |
122 } | 125 } |
123 | 126 |
124 void VertexAttribManager::Initialize( | 127 void VertexAttribManager::Initialize(uint32_t max_vertex_attribs, |
125 uint32 max_vertex_attribs, bool init_attribs) { | 128 bool init_attribs) { |
126 vertex_attribs_.resize(max_vertex_attribs); | 129 vertex_attribs_.resize(max_vertex_attribs); |
127 | 130 |
128 for (uint32 vv = 0; vv < vertex_attribs_.size(); ++vv) { | 131 for (uint32_t vv = 0; vv < vertex_attribs_.size(); ++vv) { |
129 vertex_attribs_[vv].set_index(vv); | 132 vertex_attribs_[vv].set_index(vv); |
130 vertex_attribs_[vv].SetList(&disabled_vertex_attribs_); | 133 vertex_attribs_[vv].SetList(&disabled_vertex_attribs_); |
131 | 134 |
132 if (init_attribs) { | 135 if (init_attribs) { |
133 glVertexAttrib4f(vv, 0.0f, 0.0f, 0.0f, 1.0f); | 136 glVertexAttrib4f(vv, 0.0f, 0.0f, 0.0f, 1.0f); |
134 } | 137 } |
135 } | 138 } |
136 } | 139 } |
137 | 140 |
138 void VertexAttribManager::SetElementArrayBuffer(Buffer* buffer) { | 141 void VertexAttribManager::SetElementArrayBuffer(Buffer* buffer) { |
139 element_array_buffer_ = buffer; | 142 element_array_buffer_ = buffer; |
140 } | 143 } |
141 | 144 |
142 bool VertexAttribManager::Enable(GLuint index, bool enable) { | 145 bool VertexAttribManager::Enable(GLuint index, bool enable) { |
143 if (index >= vertex_attribs_.size()) { | 146 if (index >= vertex_attribs_.size()) { |
144 return false; | 147 return false; |
145 } | 148 } |
146 VertexAttrib& info = vertex_attribs_[index]; | 149 VertexAttrib& info = vertex_attribs_[index]; |
147 if (info.enabled() != enable) { | 150 if (info.enabled() != enable) { |
148 info.set_enabled(enable); | 151 info.set_enabled(enable); |
149 info.SetList(enable ? &enabled_vertex_attribs_ : &disabled_vertex_attribs_); | 152 info.SetList(enable ? &enabled_vertex_attribs_ : &disabled_vertex_attribs_); |
150 } | 153 } |
151 return true; | 154 return true; |
152 } | 155 } |
153 | 156 |
154 void VertexAttribManager::Unbind(Buffer* buffer) { | 157 void VertexAttribManager::Unbind(Buffer* buffer) { |
155 if (element_array_buffer_.get() == buffer) { | 158 if (element_array_buffer_.get() == buffer) { |
156 element_array_buffer_ = NULL; | 159 element_array_buffer_ = NULL; |
157 } | 160 } |
158 for (uint32 vv = 0; vv < vertex_attribs_.size(); ++vv) { | 161 for (uint32_t vv = 0; vv < vertex_attribs_.size(); ++vv) { |
159 vertex_attribs_[vv].Unbind(buffer); | 162 vertex_attribs_[vv].Unbind(buffer); |
160 } | 163 } |
161 } | 164 } |
162 | 165 |
163 bool VertexAttribManager::ValidateBindings( | 166 bool VertexAttribManager::ValidateBindings( |
164 const char* function_name, | 167 const char* function_name, |
165 GLES2Decoder* decoder, | 168 GLES2Decoder* decoder, |
166 FeatureInfo* feature_info, | 169 FeatureInfo* feature_info, |
167 Program* current_program, | 170 Program* current_program, |
168 GLuint max_vertex_accessed, | 171 GLuint max_vertex_accessed, |
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272 if (current_buffer_id != kInitialBufferId) { | 275 if (current_buffer_id != kInitialBufferId) { |
273 // Restore the buffer binding. | 276 // Restore the buffer binding. |
274 decoder->RestoreBufferBindings(); | 277 decoder->RestoreBufferBindings(); |
275 } | 278 } |
276 | 279 |
277 return true; | 280 return true; |
278 } | 281 } |
279 | 282 |
280 } // namespace gles2 | 283 } // namespace gles2 |
281 } // namespace gpu | 284 } // namespace gpu |
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