2 * Copyright 2013 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Francisco Jerez <currojerez@riseup.net>
40 * Get the matching mesa_format for a shader image format GL enum.
43 _mesa_get_shader_image_format(GLenum format
);
46 * Get the GL image format class for a shader image format GL enum
49 _mesa_get_image_format_class(GLenum format
);
52 * Return whether an image format should be supported based on the current API
53 * version of the context.
56 _mesa_is_shader_image_format_supported(const struct gl_context
*ctx
,
60 * Get a single image unit struct with the default state.
63 _mesa_default_image_unit(struct gl_context
*ctx
);
66 * Initialize a context's shader image units to the default state.
69 _mesa_init_image_units(struct gl_context
*ctx
);
72 * Return GL_TRUE if the state of the image unit passed as argument is valid
73 * and access from the shader is allowed. Otherwise loads from this unit
74 * should return zero and stores should have no effect.
76 * The result depends on context state other than the passed image unit, part
77 * of the _NEW_TEXTURE set.
80 _mesa_is_image_unit_valid(struct gl_context
*ctx
, struct gl_image_unit
*u
);
83 _mesa_BindImageTexture(GLuint unit
, GLuint texture
, GLint level
,
84 GLboolean layered
, GLint layer
, GLenum access
,
88 _mesa_BindImageTextures(GLuint first
, GLsizei count
, const GLuint
*textures
);
91 _mesa_MemoryBarrier(GLbitfield barriers
);
94 _mesa_MemoryBarrierByRegion(GLbitfield barriers
);