Update the passthrough command decoder to use the new CHROMIUM_copy_texture.

gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt

Index: gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt
diff --git a/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt b/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt
index 0c85ec5e87826da09b566f1df2ed8f1dda8573eb..5e7fad8c9932d247ca36607ad9c67340d15227d5 100644
--- a/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt
+++ b/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_copy_texture.txt
@@ -8,7 +8,7 @@ Name Strings
 
 Version
 
-    Last Modifed Date: July 16, 2014
+    Last Modifed Date: March 24, 2017
 
 Dependencies
 
@@ -31,122 +31,120 @@ Overview
 
 New Procedures and Functions
 
+    void CopyTextureCHROMIUM(uint sourceId,
+                             int sourceLevel,
+                             enum destTarget,
+                             uint destId,
+                             int destLevel,
+                             int internalFormat,
+                             enum destType,
+                             boolean unpackFlipY,
+                             boolean unpackPremultiplyAlpha,
+                             boolean unpackUnmultiplyAlpha)
+
+
+    void CopySubTextureCHROMIUM(uint sourceId,
+                                int sourceLevel,
+                                enum destTarget,
+                                uint destId,
+                                int destLevel,
+                                int xoffset,
+                                int yoffset,
+                                int x,
+                                int y,
+                                sizei width,
+                                sizei height,
+                                boolean unpackFlipY,
+                                boolean unpackPremultiplyAlpha,
+                                boolean unpackUnmultiplyAlpha)
+
+Additions to the OpenGL ES 2.0 Specification
+
     The command
 
-        void glCopyTextureCHROMIUM (GLenum source_id,
-                                    GLint source_level,
-                                    GLenum dest_target,
-                                    GLenum dest_id,
-                                    GLint dest_level,
-                                    GLint internal_format, GLenum dest_type,
-                                    GLboolean unpack_flip_y,
-                                    GLboolean unpack_premultiply_alpha,
-                                    GLboolean unpack_unmultiply_alpha)
-
-    Copies the contents of <source_id> texture to <dest_id> texture.
-
-    <source_level> specifies the level of the source texture which is copied
-    from.
-    <dest_level> specifies the level of the destination texture which is copied
-    to.
-
-    <dest_target> specifies the target of destination texture. Must be
-    GL_TEXTURE_2D,
-    GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
-    GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
-    GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
-    GL_TEXTURE_RECTANGLE_ARB.
+        CopyTextureCHROMIUM
+
+    Copies the contents of <sourceLevel> level of <sourceId> texture to
+    <destLevel> level and <destTarget> target of <destId> texture.
+
+    <destTarget> must be TEXTURE_2D,
+    TEXTURE_CUBE_MAP_POSITIVE_X, TEXTURE_CUBE_MAP_NEGATIVE_X,
+    TEXTURE_CUBE_MAP_POSITIVE_Y, TEXTURE_CUBE_MAP_NEGATIVE_Y,
+    TEXTURE_CUBE_MAP_POSITIVE_Z, TEXTURE_CUBE_MAP_NEGATIVE_Z,
+    TEXTURE_RECTANGLE_ARB.
 
     The internal format of the destination texture is converted to that
-    specified by <internal_format>. Must be one of the following symbolic
-    constants: GL_RGB, GL_RGBA, GL_RGB8, GL_RGBA8, GL_BGRA_EXT, GL_BGRA8_EXT,
-    GL_SRGB_EXT, GL_SRGB_ALPHA_EXT, GL_R8, GL_R8UI, GL_RG8, GL_RG8UI, GL_SRGB8,
-    GL_RGB565, GL_RGB8UI, GL_SRGB8_ALPHA8, GL_RGB5_A1, GL_RGBA4, GL_RGBA4,
-    GL_RGBA8UI, GL_RGB9_E5, GL_R16F, GL_R32F, GL_RG16F, GL_RG32F, GL_RGB16F,
-    GL_RGB32F, GL_RGBA16F, GL_RGBA32F, GL_R11F_G11F_B10F.
-    The internal format of source texture must be one of the following
-    symbolic constants: GL_RED, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
-    GL_RGB, GL_RGBA, GL_RGB8, GL_RGBA8, GL_BGRA_EXT, GL_BGRA8_EXT,
-    GL_RGB_YCBCR_420V_CHROMIUM, GL_RGB_YCBCR_422_CHROMIUM.
+    specified by <internalFormat>.
+
     When source texture doens't contain a superset of the component
-    required by <internal_format>, fill the components by following rules.
-
-                   source format              color components
-             =====================================================
-                   GL_ALPHA                   (0, 0, 0, A)
-                   GL_RED                     (R, 0, 0, 1)
-                   GL_LUMINANCE               (L, L, L, 1)
-                   GL_LUMINANCE_ALPHA         (L, L, L, A)
-                   GL_RGB                     (R, G, B, 1)
-                   GL_RGB8                    (R, G, B, 1)
-                   GL_RGBA                    (R, G, B, A)
-                   GL_RGBA8                   (R, G, B, A)
-                   GL_BGRA_EXT                (R, G, B, A)
-                   GL_BGRA8_EXT               (R, G, B, A)
-                   GL_RGB_YCBCR_420V_CHROMIUM (R, G, B, 1)
-                   GL_RGB_YCBCR_422_CHROMIUM  (R, G, B, 1)
+    required by <internalFormat>, fill the components by following rules.
+
+       source format           color components
+       ----------------------------------------
+       ALPHA                   (0, 0, 0, A)
+       RED                     (R, 0, 0, 1)
+       LUMINANCE               (L, L, L, 1)
+       LUMINANCE_ALPHA         (L, L, L, A)
+       RGB                     (R, G, B, 1)
+       RGB8                    (R, G, B, 1)
+       RGBA                    (R, G, B, A)
+       RGBA8                   (R, G, B, A)
+       BGRA_EXT                (R, G, B, A)
+       BGRA8_EXT               (R, G, B, A)
+       RGB_YCBCR_420V_CHROMIUM (R, G, B, 1)
+       RGB_YCBCR_422_CHROMIUM  (R, G, B, 1)
 
     The format type of the destination texture is converted to that specified
-    by <dest_type>.
+    by <destType>.
 
-    If <flip_y> is true, vertically flip texture image data.
+    If <flipY> is true, vertically flip texture image data.
 
-    If <unpack_premultiply_alpha> and <unpack_unmultiply_alpha> are true,
+    If <unpackPremultiplyAlpha> and <unpackUnmultiplyAlpha> are true,
     no alpha processing occurs.  This is the equivalent of having neither flag
     set.
 
-    When <source_id> refers to a stream texture, the texture matrix will be
+    When <sourceId> refers to a stream texture, the texture matrix will be
     applied as part of the copy operation.
 
-    INVALID_OPERATION is generated if <internal_format> is not one of the valid
-    formats described above.
+    INVALID_OPERATION is generated if <internalFormat> is not one of the
+    formats in Table 1.0.
 
-    INVALID_OPERATION is generated if the internal format of <source_id> is not
-    one of formats from the table above.
+    INVALID_OPERATION is generated if the internal format of <sourceId> is not
+    one of formats in Table 1.1.
 
-    INVALID_VALUE is generated if <source_id> or <dest_id> are not valid texture
+    INVALID_VALUE is generated if <sourceId> or <destId> are not valid texture
     objects.
 
-    INVALID_ENUM is generated if <dest_target> is not one of the valid targets
+    INVALID_ENUM is generated if <destTarget> is not one of the valid targets
     described above.
 
     INVALID_OPERATION is generated if the bound target of destination texture
     does not match <target>.
 
-    INVALID_VALUE is generated if textures corresponding to <dest_id> have not
-    been bound as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, or
-    GL_TEXTURE_RECTANGLE_ARB objects.
+    INVALID_VALUE is generated if textures corresponding to <destId> have not
+    been bound as TEXTURE_2D, TEXTURE_CUBE_MAP, or
+    TEXTURE_RECTANGLE_ARB objects.
 
-    INVALID_VALUE is generated if textures corresponding to <source_id> have not
-    been bound as GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE_ARB or
-    GL_TEXTURE_EXTERNAL_OES objects.
+    INVALID_VALUE is generated if textures corresponding to <sourceId> have not
+    been bound as TEXTURE_2D, TEXTURE_RECTANGLE_ARB or
+    TEXTURE_EXTERNAL_OES objects.
 
-    INVALID_VALUE is generated if <source_level> is not 0 for ES 2.0, or if
-    <source_level> or <dest_level> is less than 0 for ES 3.0.
+    INVALID_VALUE is generated if <sourceLevel> is not 0 for ES 2.0, or if
+    <sourceLevel> or <destLevel> is less than 0 for ES 3.0.
 
-    INVALID_VALUE is generated if <source_level> of the source texture is not
+    INVALID_VALUE is generated if <sourceLevel> of the source texture is not
     defined.
 
     The command
 
-        void glCopySubTextureCHROMIUM (GLenum source_id,
-                                       GLint source_level,
-                                       GLenum dest_target,
-                                       GLenum dest_id,
-                                       GLint dest_level,
-                                       GLint xoffset, GLint yoffset,
-                                       GLint x, GLint y,
-                                       GLsizei width, GLsizei height,
-                                       GLboolean unpack_flip_y,
-                                       GLboolean unpack_premultiply_alpha,
-                                       GLboolean unpack_unmultiply_alpha)
-
-    Copies the sub contents of texture referred to by <source_id> to <dest_id>
-    texture without redefining <dest_id> texture.
-
-    See CopyTextureCHROMIUM for the interpretation of the <dest_target>,
-    <source_level>, <dest_level>, <flip_y>, <premultiply_alpha>, and
-    <unmultiply_alpha> arguments.
+        CopySubTextureCHROMIUM
+
+    Copies the sub contents of texture referred to by <sourceId> to <destId>
+    texture without redefining <destId> texture.
+
+    See CopyTextureCHROMIUM for the interpretation of the <destTarget>,
+    <sourceLevel>, <destLevel>, <flipY>, <premultiplyAlpha>, and
+    <unmultiplyAlpha> arguments.
 
     <xoffset> and <yoffset> specify a texel offset in the x and y direction
     respectively within the destination texture.
@@ -158,25 +156,76 @@ New Procedures and Functions
 
     <height> specifies the width of the texture subimage.
 
-    INVALID_VALUE is generated if either <source_id> texture or <dest_id>
+    INVALID_VALUE is generated if either <sourceId> texture or <destId>
     texture is not defined.
 
-    INVALID_OPERATION is generated if source internal_format and destination
-    internal_format are not one of the valid formats described above.
+    INVALID_OPERATION is generated if the internal format of <sourceId> or
+    <destId> is not one of formats in Table 1.1.
 
     INVALID_OPERATION is generated if the destination texture array has not
     been defined.
 
-    INVALID_VALUE is generated if <dest_id> texture is not bound as
-    GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE_ARB.
+    INVALID_VALUE is generated if <destId> texture is not bound as
+    TEXTURE_2D or TEXTURE_RECTANGLE_ARB.
 
     INVALID_VALUE is generated if level 0 of the source texture or
     the destination texture is not defined.
 
-    INVALID_VALUE is generated if <xoffset> < 0 , or <yoffset> < 0.
-
-    INVALID_VALUE is generated if (<xoffset> + <width>) > dest_width,
-    or (<yoffset> + <height>) > dest_height.
+    INVALID_VALUE is generated if (<xoffset> + <width>) > destWidth,
+    or (<yoffset> + <height>) > destHeight.
+
+    Table 1.0 Valid internal formats for CopyTextureCHROMIUM:
+
+        <internalFormat>
+        ---------------
+        RGB
+        RGBA
+        RGB8
+        RGBA8
+        BGRA_EXT
+        BGRA8_EXT,
+        SRGB_EXT
+        SRGB_ALPHA_EXT
+        R8
+        R8UI
+        RG8
+        RG8UI
+        SRGB8
+        RGB565
+        RGB8UI
+        SRGB8_ALPHA8
+        RGB5_A1
+        RGBA4
+        RGBA4
+        RGBA8UI
+        RGB9_E5
+        R16F
+        R32F
+        RG16F
+        RG32F
+        RGB16F
+        RGB32F
+        RGBA16F
+        RGBA32F
+        R11F_G11F_B10F
+
+    Table 1.1 Valid source texture internal formats for CopyTextureCHROMIUM and
+    source and destination formats for CopySubTextureCHROMIUM:
+
+        internal format
+        ---------------
+        RED
+        ALPHA
+        LUMINANCE
+        LUMINANCE_ALPHA
+        RGB
+        RGBA
+        RGB8
+        RGBA8
+        BGRA_EXT
+        BGRA8_EXT
+        RGB_YCBCR_420V_CHROMIUM
+        RGB_YCBCR_422_CHROMIUM.
 
 Dependencies on ARB_texture_rg
 
@@ -204,11 +253,12 @@ Revision History
 
     8/1/2011    Documented the extension
     7/4/2013    Add a new parameter dest_type to glCopyTextureCHROMIUM()
-    16/7/2014   Add GL_TEXTURE_RECTANGLE_ARB as valid source_id target
+    16/7/2014   Add TEXTURE_RECTANGLE_ARB as valid source_id target
     19/6/2015   Add arguments unpack_flip_y, unpack_premultiply_alpha, and
                 unpack_unmultiply_alpha to both commands.
     4/1/2016    Removed the argument target.
-    4/1/2016    Added GL_TEXTURE_RECTANGLE_ARB as valid dest_id target.
+    4/1/2016    Added TEXTURE_RECTANGLE_ARB as valid dest_id target.
     19/12/2016  Supported more ES 3.0 formats.
     18/1/2017   Supported source_level and dest_level.
-    19/1/2017   Added GL_TEXTURE_CUBE_MAP as valid dest_id target.
+    19/1/2017   Added TEXTURE_CUBE_MAP as valid dest_id target.
+    24/3/2017   Clean up naming and move formats into tables.