The Tor Browser: gfx/angle/src/libGLESv2/utilities.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 //

     2 // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.

     3 // Use of this source code is governed by a BSD-style license that can be

     4 // found in the LICENSE file.

     5 //

     7 // utilities.h: Conversion functions and other utility routines.

     9 #ifndef LIBGLESV2_UTILITIES_H

    10 #define LIBGLESV2_UTILITIES_H

    12 #define GL_APICALL

    13 #include <GLES2/gl2.h>

    14 #include <GLES2/gl2ext.h>

    16 #include <string>

    18 namespace gl

    19 {

    21 struct Color;

    23 int UniformComponentCount(GLenum type);

    24 GLenum UniformComponentType(GLenum type);

    25 size_t UniformInternalSize(GLenum type);

    26 size_t UniformExternalSize(GLenum type);

    27 int VariableRowCount(GLenum type);

    28 int VariableColumnCount(GLenum type);

    30 int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);

    32 void MakeValidSize(bool isImage, bool isCompressed, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset);

    33 int ComputePixelSize(GLint internalformat);

    34 GLsizei ComputePitch(GLsizei width, GLint internalformat, GLint alignment);

    35 GLsizei ComputeCompressedPitch(GLsizei width, GLenum format);

    36 GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format);

    37 GLsizei ComputeTypeSize(GLenum type);

    38 bool IsCompressed(GLenum format);

    39 bool IsDepthTexture(GLenum format);

    40 bool IsStencilTexture(GLenum format);

    41 bool IsCubemapTextureTarget(GLenum target);

    42 bool IsInternalTextureTarget(GLenum target);

    43 GLint ConvertSizedInternalFormat(GLenum format, GLenum type);

    44 GLenum ExtractFormat(GLenum internalformat);

    45 GLenum ExtractType(GLenum internalformat);

    47 bool IsColorRenderable(GLenum internalformat);

    48 bool IsDepthRenderable(GLenum internalformat);

    49 bool IsStencilRenderable(GLenum internalformat);

    51 bool IsFloat32Format(GLint internalformat);

    52 bool IsFloat16Format(GLint internalformat);

    54 GLuint GetAlphaSize(GLenum colorFormat);

    55 GLuint GetRedSize(GLenum colorFormat);

    56 GLuint GetGreenSize(GLenum colorFormat);

    57 GLuint GetBlueSize(GLenum colorFormat);

    58 GLuint GetDepthSize(GLenum depthFormat);

    59 GLuint GetStencilSize(GLenum stencilFormat);

    60 bool IsTriangleMode(GLenum drawMode);

    62 }

    64 std::string getTempPath();

    65 void writeFile(const char* path, const void* data, size_t size);

    67 #endif  // LIBGLESV2_UTILITIES_H

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