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Diffstat (limited to 'chromium/ui/surface/accelerated_surface_transformer_win.h')
| -rw-r--r-- | chromium/ui/surface/accelerated_surface_transformer_win.h | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/chromium/ui/surface/accelerated_surface_transformer_win.h b/chromium/ui/surface/accelerated_surface_transformer_win.h deleted file mode 100644 index b04d0ab6977..00000000000 --- a/chromium/ui/surface/accelerated_surface_transformer_win.h +++ /dev/null @@ -1,228 +0,0 @@ -// Copyright (c) 2012 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. - -#ifndef UI_SURFACE_ACCELERATED_SURFACE_TRANSFORMER_WIN_H_ -#define UI_SURFACE_ACCELERATED_SURFACE_TRANSFORMER_WIN_H_ - -#include <d3d9.h> - -#include "base/gtest_prod_util.h" -#include "base/memory/ref_counted.h" -#include "base/single_thread_task_runner.h" -#include "base/synchronization/lock.h" -#include "base/synchronization/waitable_event.h" -#include "base/win/scoped_comptr.h" -#include "ui/gfx/native_widget_types.h" -#include "ui/gfx/size.h" -#include "ui/surface/surface_export.h" - -namespace gfx { -class Size; -class Rect; -} // namespace gfx - -// Provides useful image filtering operations that are implemented -// efficiently on DirectX9-class hardware using fragment programs. -class SURFACE_EXPORT AcceleratedSurfaceTransformer { - public: - // Constructs an uninitialized surface transformer. Call Init() before - // using the resulting object. - AcceleratedSurfaceTransformer(); - - // Init() initializes the transformer to operate on a device. This must be - // called before any other method of this class, and it must be called - // again after ReleaseAll() or DetachAll() before the class is used. - // - // Returns true if successful. - bool Init(IDirect3DDevice9* device); - - // ReleaseAll() releases all direct3d resource references. - void ReleaseAll(); - - // DetachAll() leaks all direct3d resource references. This exists in order to - // work around particular driver bugs, and should only be called at shutdown. - // TODO(ncarter): Update the leak expectations before checkin. - void DetachAll(); - - // Draw a textured quad to a surface, flipping orientation in the y direction. - bool CopyInverted( - IDirect3DTexture9* src_texture, - IDirect3DSurface9* dst_surface, - const gfx::Size& dst_size); - - // Draw a textured quad to a surface. - bool Copy( - IDirect3DTexture9* src_texture, - IDirect3DSurface9* dst_surface, - const gfx::Size& dst_size); - - // Get an intermediate buffer of a particular |size|, that can be used as the - // output of one transformation and the to another. The returned surface - // belongs to an internal cache, and is invalidated by a subsequent call to - // this method. - bool GetIntermediateTexture( - const gfx::Size& size, - IDirect3DTexture9** texture, - IDirect3DSurface9** texture_level_zero); - - // Resize a surface using repeated bilinear interpolation. - bool ResizeBilinear( - IDirect3DSurface9* src_surface, - const gfx::Rect& src_subrect, - IDirect3DSurface9* dst_surface, - const gfx::Rect& dst_subrect); - - // Color format conversion from RGB to planar YV12 (also known as YUV420). - // - // YV12 is effectively a twelve bit per pixel format consisting of a full- - // size y (luminance) plane and half-width, half-height u and v (blue and - // red chrominance) planes. This method will allocate three lockable surfaces, - // one for each plane, and return them via the arguments |dst_y|, |dst_u|, - // and |dst_v|. These surface will be created with an ARGB D3DFORMAT, but - // should be interpreted as the appropriate single-byte format when locking. - // - // The dimensions of the outputs (when interpreted as single-component data) - // are as follows: - // |dst_y| : width and height exactly |dst_size| - // |dst_u| : width and height are each half of |dst_size|, rounded up. - // |dst_v| : width and height are each half of |dst_size|, rounded up. - // - // If |src_texture|'s dimensions do not match |dst_size|, the source will be - // bilinearly interpolated during conversion. - // - // Returns true if successful. Caller must be certain to release the surfaces - // even if this function returns false. The returned surfaces belong to an - // internal cache, and are invalidated by a subsequent call to this method. - bool TransformRGBToYV12( - IDirect3DTexture9* src_texture, - const gfx::Size& dst_size, - IDirect3DSurface9** dst_y, - IDirect3DSurface9** dst_u, - IDirect3DSurface9** dst_v); - - // Synchronously copy from a D3D surface into a caller-allocated buffer. This - // will dispatch to one of a couple techniques, depending on which is - // determined to be the faster method for the current device. - bool ReadFast(IDirect3DSurface9* gpu_surface, - uint8* dst, - int dst_bytes_per_row, - int dst_num_rows, - int dst_stride); - - // Do a read using a particular technique. Which of these is faster depends on - // the hardware. Intended for testing; production code ought to call - // ReadFast(). - bool ReadByLockAndCopy(IDirect3DSurface9* gpu_surface, - uint8* dst, - int dst_bytes_per_row, - int dst_num_rows, - int dst_stride); - bool ReadByGetRenderTargetData(IDirect3DSurface9* gpu_surface, - uint8* dst, - int dst_bytes_per_row, - int dst_num_rows, - int dst_stride); - - private: - friend class AcceleratedSurfaceTransformerTest; - FRIEND_TEST_ALL_PREFIXES(AcceleratedSurfaceTransformerTest, Init); - - enum ShaderCombo { - ONE_TEXTURE, - RGB_TO_YV12_FAST__PASS_1_OF_2, - RGB_TO_YV12_FAST__PASS_2_OF_2, - RGB_TO_YV12_SLOW__PASS_1_OF_3, - RGB_TO_YV12_SLOW__PASS_2_OF_3, - RGB_TO_YV12_SLOW__PASS_3_OF_3, - NUM_SHADERS - }; - - // Efficient RGB->YV12 in two passes, but requires a device capable of writing - // multiple render targets at the same time. - // - // Returns true if successful. - bool TransformRGBToYV12_MRT( - IDirect3DTexture9* src_surface, - const gfx::Size& dst_size, - const gfx::Size& packed_y_size, - const gfx::Size& packed_uv_size, - IDirect3DSurface9* dst_y, - IDirect3DSurface9* dst_u, - IDirect3DSurface9* dst_v); - - // Slower, less efficient RGB->YV12; does not require the device to have - // multiple render target capability. Runs at about half speed of the fast - // path. - // - // Returns true if successful. - bool TransformRGBToYV12_WithoutMRT( - IDirect3DTexture9* src_surface, - const gfx::Size& dst_size, - const gfx::Size& packed_y_size, - const gfx::Size& packed_uv_size, - IDirect3DSurface9* dst_y, - IDirect3DSurface9* dst_u, - IDirect3DSurface9* dst_v); - - // Helper to allocate appropriately size YUV buffers, accounting for various - // roundings. The sizes of the buffers (in terms of ARGB pixels) are returned - // as |packed_y_size| and |packed_uv_size|. - // - // Returns true if successful. Caller must be certain to release the surfaces - // even if this function returns false. The returned belong to an internal - // cache. - bool AllocYUVBuffers( - const gfx::Size& dst_size, - gfx::Size* packed_y_size, - gfx::Size* packed_uv_size, - IDirect3DSurface9** dst_y, - IDirect3DSurface9** dst_u, - IDirect3DSurface9** dst_v); - - bool CopyWithTextureScale( - IDirect3DTexture9* src_texture, - IDirect3DSurface9* dst_surface, - const gfx::Size& dst_size, - float texture_scale_x, - float texture_scale_y); - - // Set the active vertex and pixel shader combination. - // - // Returns true if successful. - bool SetShaderCombo(ShaderCombo combo); - - // Compiles a vertex and pixel shader combination, if not already compiled. - // - // Returns true if successful. - bool CompileShaderCombo(ShaderCombo shader_combo_name); - - bool DoInit(IDirect3DDevice9* device); - - void DrawScreenAlignedQuad(const gfx::Size& dst_size); - - bool device_supports_multiple_render_targets() const { - return device_supports_multiple_render_targets_; - } - - IDirect3DDevice9* device(); - - base::win::ScopedComPtr<IDirect3DDevice9> device_; - base::win::ScopedComPtr<IDirect3DVertexShader9> vertex_shaders_[NUM_SHADERS]; - base::win::ScopedComPtr<IDirect3DPixelShader9> pixel_shaders_[NUM_SHADERS]; - - // Temporary and scratch surfaces; cached to avoid frequent reallocation. - base::win::ScopedComPtr<IDirect3DTexture9> user_scratch_texture_; - base::win::ScopedComPtr<IDirect3DTexture9> uv_scratch_texture_; - base::win::ScopedComPtr<IDirect3DSurface9> y_scratch_surface_; - base::win::ScopedComPtr<IDirect3DSurface9> u_scratch_surface_; - base::win::ScopedComPtr<IDirect3DSurface9> v_scratch_surface_; - base::win::ScopedComPtr<IDirect3DSurface9> scaler_scratch_surfaces_[2]; - - bool device_supports_multiple_render_targets_; - const BYTE* vertex_shader_sources_[NUM_SHADERS]; - const BYTE* pixel_shader_sources_[NUM_SHADERS]; - DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceTransformer); -}; - -#endif // UI_SURFACE_ACCELERATED_SURFACE_TRANSFORMER_WIN_H_ |