kc3-lang/angle/src/libANGLE/renderer/gl/formatutilsgl.h

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• Hash : fd216c41
  Author :
  Date : 2015-05-27T16:12:30
  

  Support BGRA texture by remapping the internal format to RGBA.
  
  The format is still passed as BGRA to the driver so that the data can be
  properly unpacked.
  
  BUG=angleproject:884
  
  Change-Id: I767626c818ce1a3c5a4739f07aa623bf8a9ae377
  Reviewed-on: https://chromium-review.googlesource.com/273162
  Reviewed-by: Brandon Jones <bajones@chromium.org>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/gl/formatutilsgl.h

• //
  // Copyright (c) 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.
  //
  
  // formatutilsgl.h: Queries for GL image formats and their translations to native
  // GL formats.
  
  #ifndef LIBANGLE_RENDERER_GL_FORMATUTILSGL_H_
  #define LIBANGLE_RENDERER_GL_FORMATUTILSGL_H_
  
  #include <map>
  #include <string>
  #include <vector>
  
  #include "angle_gl.h"
  #include "libANGLE/Version.h"
  #include "libANGLE/renderer/gl/FunctionsGL.h"
  
  namespace rx
  {
  
  namespace nativegl
  {
  
  struct SupportRequirement
  {
      SupportRequirement();
  
      // Version that this format became supported without extensions
      gl::Version version;
  
      // Extensions that are required if the minimum version is not met
      std::vector<std::string> versionExtensions;
  
      // Extensions that are always required to support this format
      std::vector<std::string> requiredExtensions;
  };
  
  struct InternalFormat
  {
      InternalFormat();
  
      // Internal format to use for the native texture
      GLenum internalFormat;
  
      SupportRequirement texture;
      SupportRequirement filter;
      SupportRequirement renderbuffer;
      SupportRequirement framebufferAttachment;
  };
  const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, StandardGL standard);
  
  }
  
  }
  
  #endif // LIBANGLE_RENDERER_GL_FORMATUTILSGL_H_
  

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