kc3-lang/angle/src/libANGLE/renderer/BufferImpl.h

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• Author : Jamie Madill
  Date : 2016-09-02 15:00:09
  Hash : 29639857
  Message : D3D11: Work around Intel uniform buffers bug. When copying from a staging buffer to a uniform buffer, the first upload would be incorrect. Work around this by trying to upload directly to a uniform buffer on the first BufferSubData call. BUG=chromium:593024 Change-Id: I0df3a1422b962bf3ece5d445f435df01e3544b67 Reviewed-on: https://chromium-review.googlesource.com/368774 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/renderer/BufferImpl.h

• //
  // Copyright 2014 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.
  //
  
  // BufferImpl.h: Defines the abstract rx::BufferImpl class.
  
  #ifndef LIBANGLE_RENDERER_BUFFERIMPL_H_
  #define LIBANGLE_RENDERER_BUFFERIMPL_H_
  
  #include "common/angleutils.h"
  #include "common/mathutil.h"
  #include "libANGLE/Error.h"
  
  #include <stdint.h>
  
  namespace rx
  {
  
  class BufferImpl : angle::NonCopyable
  {
    public:
      virtual ~BufferImpl() { }
  
      virtual gl::Error setData(GLenum target, const void *data, size_t size, GLenum usage)     = 0;
      virtual gl::Error setSubData(GLenum target, const void *data, size_t size, size_t offset) = 0;
      virtual gl::Error copySubData(BufferImpl *source,
                                    GLintptr sourceOffset,
                                    GLintptr destOffset,
                                    GLsizeiptr size) = 0;
      virtual gl::Error map(GLenum access, GLvoid **mapPtr) = 0;
      virtual gl::Error mapRange(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr) = 0;
      virtual gl::Error unmap(GLboolean *result) = 0;
  
      virtual gl::Error getIndexRange(GLenum type,
                                      size_t offset,
                                      size_t count,
                                      bool primitiveRestartEnabled,
                                      gl::IndexRange *outRange) = 0;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_BUFFERIMPL_H_