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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 #ifndef CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ | 5 #ifndef CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ |
6 #define CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ | 6 #define CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ |
7 | 7 |
8 #include "base/atomicops.h" | 8 #include "base/atomicops.h" |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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175 // representation. |callback| is invoked with the copy result when the copy | 175 // representation. |callback| is invoked with the copy result when the copy |
176 // operation has completed. | 176 // operation has completed. |
177 // Note that the src_texture will have the min/mag filter set to GL_LINEAR | 177 // Note that the src_texture will have the min/mag filter set to GL_LINEAR |
178 // and wrap_s/t set to CLAMP_TO_EDGE in this call. | 178 // and wrap_s/t set to CLAMP_TO_EDGE in this call. |
179 void CropScaleReadbackAndCleanTexture( | 179 void CropScaleReadbackAndCleanTexture( |
180 GLuint src_texture, | 180 GLuint src_texture, |
181 const gfx::Size& src_size, | 181 const gfx::Size& src_size, |
182 const gfx::Rect& src_subrect, | 182 const gfx::Rect& src_subrect, |
183 const gfx::Size& dst_size, | 183 const gfx::Size& dst_size, |
184 unsigned char* out, | 184 unsigned char* out, |
185 bool readback_config_rgb565, | 185 const SkBitmap::Config config, |
186 const base::Callback<void(bool)>& callback); | 186 const base::Callback<void(bool)>& callback); |
187 | 187 |
188 // Copies the block of pixels specified with |src_subrect| from |src_mailbox|, | 188 // Copies the block of pixels specified with |src_subrect| from |src_mailbox|, |
189 // scales it to |dst_size|, and writes it into |out|. | 189 // scales it to |dst_size|, and writes it into |out|. |
190 // |src_size| is the size of |src_mailbox|. The result is of format GL_BGRA | 190 // |src_size| is the size of |src_mailbox|. The result is of format GL_BGRA |
191 // and is potentially flipped vertically to make it a correct image | 191 // and is potentially flipped vertically to make it a correct image |
192 // representation. |callback| is invoked with the copy result when the copy | 192 // representation. |callback| is invoked with the copy result when the copy |
193 // operation has completed. | 193 // operation has completed. |
194 // Note that the texture bound to src_mailbox will have the min/mag filter set | 194 // Note that the texture bound to src_mailbox will have the min/mag filter set |
195 // to GL_LINEAR and wrap_s/t set to CLAMP_TO_EDGE in this call. src_mailbox is | 195 // to GL_LINEAR and wrap_s/t set to CLAMP_TO_EDGE in this call. src_mailbox is |
196 // assumed to be GL_TEXTURE_2D. | 196 // assumed to be GL_TEXTURE_2D. |
197 void CropScaleReadbackAndCleanMailbox( | 197 void CropScaleReadbackAndCleanMailbox( |
198 const gpu::Mailbox& src_mailbox, | 198 const gpu::Mailbox& src_mailbox, |
199 uint32 sync_point, | 199 uint32 sync_point, |
200 const gfx::Size& src_size, | 200 const gfx::Size& src_size, |
201 const gfx::Rect& src_subrect, | 201 const gfx::Rect& src_subrect, |
202 const gfx::Size& dst_size, | 202 const gfx::Size& dst_size, |
203 unsigned char* out, | 203 unsigned char* out, |
204 bool readback_config_rgb565, | 204 const SkBitmap::Config config, |
205 const base::Callback<void(bool)>& callback); | 205 const base::Callback<void(bool)>& callback); |
206 | 206 |
207 // Copies the texture data out of |texture| into |out|. |size| is the | 207 // Copies the texture data out of |texture| into |out|. |size| is the |
208 // size of the texture. No post processing is applied to the pixels. The | 208 // size of the texture. No post processing is applied to the pixels. The |
209 // texture is assumed to have a format of GL_RGBA with a pixel type of | 209 // texture is assumed to have a format of GL_RGBA with a pixel type of |
210 // GL_UNSIGNED_BYTE. This is a blocking call that calls glReadPixels on the | 210 // GL_UNSIGNED_BYTE. This is a blocking call that calls glReadPixels on the |
211 // current OpenGL context. | 211 // current OpenGL context. |
212 void ReadbackTextureSync(GLuint texture, | 212 void ReadbackTextureSync(GLuint texture, |
213 const gfx::Rect& src_rect, | 213 const gfx::Rect& src_rect, |
214 unsigned char* out, | 214 unsigned char* out, |
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355 virtual void ReadbackYUV(const gpu::Mailbox& mailbox, | 355 virtual void ReadbackYUV(const gpu::Mailbox& mailbox, |
356 uint32 sync_point, | 356 uint32 sync_point, |
357 const scoped_refptr<media::VideoFrame>& target, | 357 const scoped_refptr<media::VideoFrame>& target, |
358 const base::Callback<void(bool)>& callback) = 0; | 358 const base::Callback<void(bool)>& callback) = 0; |
359 virtual GLHelper::ScalerInterface* scaler() = 0; | 359 virtual GLHelper::ScalerInterface* scaler() = 0; |
360 }; | 360 }; |
361 | 361 |
362 } // namespace content | 362 } // namespace content |
363 | 363 |
364 #endif // CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ | 364 #endif // CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ |
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