1 files changed, 145 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/gl/TextureGL.h b/gfx/angle/src/libANGLE/renderer/gl/TextureGL.h
new file mode 100755
index 000000000..068284c5b
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/TextureGL.h
@@ -0,0 +1,145 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// TextureGL.h: Defines the class interface for TextureGL.
+
+#ifndef LIBANGLE_RENDERER_GL_TEXTUREGL_H_
+#define LIBANGLE_RENDERER_GL_TEXTUREGL_H_
+
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/TextureImpl.h"
+#include "libANGLE/Texture.h"
+
+namespace rx
+{
+
+class BlitGL;
+class FunctionsGL;
+class StateManagerGL;
+struct WorkaroundsGL;
+
+struct LUMAWorkaroundGL
+{
+    bool enabled;
+    GLenum workaroundFormat;
+
+    LUMAWorkaroundGL();
+    LUMAWorkaroundGL(bool enabled, GLenum workaroundFormat);
+};
+
+// Structure containing information about format and workarounds for each mip level of the
+// TextureGL.
+struct LevelInfoGL
+{
+    // Format of the data used in this mip level.
+    GLenum sourceFormat;
+
+    // If this mip level requires sampler-state re-writing so that only a red channel is exposed.
+    bool depthStencilWorkaround;
+
+    // Information about luminance alpha texture workarounds in the core profile.
+    LUMAWorkaroundGL lumaWorkaround;
+
+    LevelInfoGL();
+    LevelInfoGL(GLenum sourceFormat,
+                bool depthStencilWorkaround,
+                const LUMAWorkaroundGL &lumaWorkaround);
+};
+
+class TextureGL : public TextureImpl
+{
+  public:
+    TextureGL(const gl::TextureState &state,
+              const FunctionsGL *functions,
+              const WorkaroundsGL &workarounds,
+              StateManagerGL *stateManager,
+              BlitGL *blitter);
+    ~TextureGL() override;
+
+    gl::Error setImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size, GLenum format, GLenum type,
+                       const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
+    gl::Error setSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format, GLenum type,
+                          const gl::PixelUnpackState &unpack, const uint8_t *pixels) override;
+
+    gl::Error setCompressedImage(GLenum target, size_t level, GLenum internalFormat, const gl::Extents &size,
+                                 const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
+    gl::Error setCompressedSubImage(GLenum target, size_t level, const gl::Box &area, GLenum format,
+                                    const gl::PixelUnpackState &unpack, size_t imageSize, const uint8_t *pixels) override;
+
+    gl::Error copyImage(GLenum target, size_t level, const gl::Rectangle &sourceArea, GLenum internalFormat,
+                        const gl::Framebuffer *source) override;
+    gl::Error copySubImage(GLenum target, size_t level, const gl::Offset &destOffset, const gl::Rectangle &sourceArea,
+                           const gl::Framebuffer *source) override;
+
+    gl::Error setStorage(GLenum target, size_t levels, GLenum internalFormat, const gl::Extents &size) override;
+
+    gl::Error setImageExternal(GLenum target,
+                               egl::Stream *stream,
+                               const egl::Stream::GLTextureDescription &desc) override;
+
+    gl::Error generateMipmap() override;
+
+    void bindTexImage(egl::Surface *surface) override;
+    void releaseTexImage() override;
+
+    gl::Error setEGLImageTarget(GLenum target, egl::Image *image) override;
+
+    GLuint getTextureID() const;
+
+    void setBaseLevel(GLuint) override {}
+
+    void syncState(const gl::Texture::DirtyBits &dirtyBits) override;
+    bool hasAnyDirtyBit() const;
+
+  private:
+    void setImageHelper(GLenum target,
+                        size_t level,
+                        GLenum internalFormat,
+                        const gl::Extents &size,
+                        GLenum format,
+                        GLenum type,
+                        const uint8_t *pixels);
+    void reserveTexImageToBeFilled(GLenum target,
+                                   size_t level,
+                                   GLenum internalFormat,
+                                   const gl::Extents &size,
+                                   GLenum format,
+                                   GLenum type);
+    gl::Error setSubImageRowByRowWorkaround(GLenum target,
+                                            size_t level,
+                                            const gl::Box &area,
+                                            GLenum format,
+                                            GLenum type,
+                                            const gl::PixelUnpackState &unpack,
+                                            const uint8_t *pixels);
+
+    gl::Error setSubImagePaddingWorkaround(GLenum target,
+                                           size_t level,
+                                           const gl::Box &area,
+                                           GLenum format,
+                                           GLenum type,
+                                           const gl::PixelUnpackState &unpack,
+                                           const uint8_t *pixels);
+
+    void syncTextureStateSwizzle(const FunctionsGL *functions, GLenum name, GLenum value);
+
+    void setLevelInfo(size_t level, size_t levelCount, const LevelInfoGL &levelInfo);
+
+    const FunctionsGL *mFunctions;
+    const WorkaroundsGL &mWorkarounds;
+    StateManagerGL *mStateManager;
+    BlitGL *mBlitter;
+
+    std::vector<LevelInfoGL> mLevelInfo;
+    gl::Texture::DirtyBits mLocalDirtyBits;
+
+    mutable gl::TextureState mAppliedTextureState;
+    GLuint mTextureID;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_GL_TEXTUREGL_H_