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Side by Side Diff: content/common/gpu/client/gl_helper.h

Issue 374633002: SkBitmap::Config is deprecated, use SkColorType instead (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: address comments from #4 Created 6 years, 5 months ago
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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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165 // representation. |callback| is invoked with the copy result when the copy 165 // representation. |callback| is invoked with the copy result when the copy
166 // operation has completed. 166 // operation has completed.
167 // Note that the src_texture will have the min/mag filter set to GL_LINEAR 167 // Note that the src_texture will have the min/mag filter set to GL_LINEAR
168 // and wrap_s/t set to CLAMP_TO_EDGE in this call. 168 // and wrap_s/t set to CLAMP_TO_EDGE in this call.
169 void CropScaleReadbackAndCleanTexture( 169 void CropScaleReadbackAndCleanTexture(
170 GLuint src_texture, 170 GLuint src_texture,
171 const gfx::Size& src_size, 171 const gfx::Size& src_size,
172 const gfx::Rect& src_subrect, 172 const gfx::Rect& src_subrect,
173 const gfx::Size& dst_size, 173 const gfx::Size& dst_size,
174 unsigned char* out, 174 unsigned char* out,
175 const SkBitmap::Config config, 175 const SkColorType color_type,
176 const base::Callback<void(bool)>& callback, 176 const base::Callback<void(bool)>& callback,
177 GLHelper::ScalerQuality quality); 177 GLHelper::ScalerQuality quality);
178 178
179 // Copies the block of pixels specified with |src_subrect| from |src_mailbox|, 179 // Copies the block of pixels specified with |src_subrect| from |src_mailbox|,
180 // scales it to |dst_size|, and writes it into |out|. 180 // scales it to |dst_size|, and writes it into |out|.
181 // |src_size| is the size of |src_mailbox|. The result is of format GL_BGRA 181 // |src_size| is the size of |src_mailbox|. The result is of format GL_BGRA
182 // and is potentially flipped vertically to make it a correct image 182 // and is potentially flipped vertically to make it a correct image
183 // representation. |callback| is invoked with the copy result when the copy 183 // representation. |callback| is invoked with the copy result when the copy
184 // operation has completed. 184 // operation has completed.
185 // Note that the texture bound to src_mailbox will have the min/mag filter set 185 // Note that the texture bound to src_mailbox will have the min/mag filter set
186 // to GL_LINEAR and wrap_s/t set to CLAMP_TO_EDGE in this call. src_mailbox is 186 // to GL_LINEAR and wrap_s/t set to CLAMP_TO_EDGE in this call. src_mailbox is
187 // assumed to be GL_TEXTURE_2D. 187 // assumed to be GL_TEXTURE_2D.
188 void CropScaleReadbackAndCleanMailbox( 188 void CropScaleReadbackAndCleanMailbox(
189 const gpu::Mailbox& src_mailbox, 189 const gpu::Mailbox& src_mailbox,
190 uint32 sync_point, 190 uint32 sync_point,
191 const gfx::Size& src_size, 191 const gfx::Size& src_size,
192 const gfx::Rect& src_subrect, 192 const gfx::Rect& src_subrect,
193 const gfx::Size& dst_size, 193 const gfx::Size& dst_size,
194 unsigned char* out, 194 unsigned char* out,
195 const SkBitmap::Config config, 195 const SkColorType color_type,
196 const base::Callback<void(bool)>& callback, 196 const base::Callback<void(bool)>& callback,
197 GLHelper::ScalerQuality quality); 197 GLHelper::ScalerQuality quality);
198 198
199 // Copies the texture data out of |texture| into |out|. |size| is the 199 // Copies the texture data out of |texture| into |out|. |size| is the
200 // size of the texture. No post processing is applied to the pixels. The 200 // size of the texture. No post processing is applied to the pixels. The
201 // texture is assumed to have a format of GL_RGBA with a pixel type of 201 // texture is assumed to have a format of GL_RGBA with a pixel type of
202 // GL_UNSIGNED_BYTE. This is a blocking call that calls glReadPixels on the 202 // GL_UNSIGNED_BYTE. This is a blocking call that calls glReadPixels on the
203 // current OpenGL context. 203 // current OpenGL context.
204 void ReadbackTextureSync(GLuint texture, 204 void ReadbackTextureSync(GLuint texture,
205 const gfx::Rect& src_rect, 205 const gfx::Rect& src_rect,
206 unsigned char* out, 206 unsigned char* out,
207 SkBitmap::Config format); 207 SkColorType format);
208 208
209 void ReadbackTextureAsync(GLuint texture, 209 void ReadbackTextureAsync(GLuint texture,
210 const gfx::Size& dst_size, 210 const gfx::Size& dst_size,
211 unsigned char* out, 211 unsigned char* out,
212 SkBitmap::Config config, 212 SkColorType color_type,
213 const base::Callback<void(bool)>& callback); 213 const base::Callback<void(bool)>& callback);
214 214
215 // Creates a copy of the specified texture. |size| is the size of the texture. 215 // Creates a copy of the specified texture. |size| is the size of the texture.
216 // Note that the src_texture will have the min/mag filter set to GL_LINEAR 216 // Note that the src_texture will have the min/mag filter set to GL_LINEAR
217 // and wrap_s/t set to CLAMP_TO_EDGE in this call. 217 // and wrap_s/t set to CLAMP_TO_EDGE in this call.
218 GLuint CopyTexture(GLuint texture, const gfx::Size& size); 218 GLuint CopyTexture(GLuint texture, const gfx::Size& size);
219 219
220 // Creates a scaled copy of the specified texture. |src_size| is the size of 220 // Creates a scaled copy of the specified texture. |src_size| is the size of
221 // the texture and |dst_size| is the size of the resulting copy. 221 // the texture and |dst_size| is the size of the resulting copy.
222 // Note that the src_texture will have the min/mag filter set to GL_LINEAR 222 // Note that the src_texture will have the min/mag filter set to GL_LINEAR
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315 const gfx::Rect& dst_subrect, 315 const gfx::Rect& dst_subrect,
316 bool flip_vertically, 316 bool flip_vertically,
317 bool use_mrt); 317 bool use_mrt);
318 318
319 // Returns the maximum number of draw buffers available, 319 // Returns the maximum number of draw buffers available,
320 // 0 if GL_EXT_draw_buffers is not available. 320 // 0 if GL_EXT_draw_buffers is not available.
321 GLint MaxDrawBuffers(); 321 GLint MaxDrawBuffers();
322 322
323 // Checks whether the readbback is supported for texture with the 323 // Checks whether the readbback is supported for texture with the
324 // matching config. This doesnt check for cross format readbacks. 324 // matching config. This doesnt check for cross format readbacks.
325 bool IsReadbackConfigSupported(SkBitmap::Config texture_format); 325 bool IsReadbackConfigSupported(SkColorType texture_format);
326 326
327 protected: 327 protected:
328 class CopyTextureToImpl; 328 class CopyTextureToImpl;
329 329
330 // Creates |copy_texture_to_impl_| if NULL. 330 // Creates |copy_texture_to_impl_| if NULL.
331 void InitCopyTextToImpl(); 331 void InitCopyTextToImpl();
332 // Creates |scaler_impl_| if NULL. 332 // Creates |scaler_impl_| if NULL.
333 void InitScalerImpl(); 333 void InitScalerImpl();
334 334
335 enum ReadbackSwizzle { 335 enum ReadbackSwizzle {
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362 virtual void ReadbackYUV(const gpu::Mailbox& mailbox, 362 virtual void ReadbackYUV(const gpu::Mailbox& mailbox,
363 uint32 sync_point, 363 uint32 sync_point,
364 const scoped_refptr<media::VideoFrame>& target, 364 const scoped_refptr<media::VideoFrame>& target,
365 const base::Callback<void(bool)>& callback) = 0; 365 const base::Callback<void(bool)>& callback) = 0;
366 virtual GLHelper::ScalerInterface* scaler() = 0; 366 virtual GLHelper::ScalerInterface* scaler() = 0;
367 }; 367 };
368 368
369 } // namespace content 369 } // namespace content
370 370
371 #endif // CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_ 371 #endif // CONTENT_COMMON_GPU_CLIENT_GL_HELPER_H_
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