4b8745680f
This allows us to handle cases when texImage->_BaseFormat doesn't match _mesa_format_get_base_format(texImage->Format). _BaseFormat is what we care about in this function. Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com> Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef READPIXELS_H
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#define READPIXELS_H
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#include "glheader.h"
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struct gl_context;
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struct gl_pixelstore_attrib;
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extern GLboolean
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_mesa_readpixels_needs_slow_path(const struct gl_context *ctx, GLenum format,
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GLenum type, GLboolean uses_blit);
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extern GLboolean
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_mesa_need_rgb_to_luminance_conversion(GLenum srcBaseFormat,
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GLenum dstBaseFormat);
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extern GLboolean
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_mesa_need_luminance_to_rgb_conversion(GLenum srcBaseFormat,
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GLenum dstBaseFormat);
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extern GLbitfield
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_mesa_get_readpixels_transfer_ops(const struct gl_context *ctx,
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mesa_format texFormat,
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GLenum format, GLenum type,
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GLboolean uses_blit);
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extern void
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_mesa_readpixels(struct gl_context *ctx,
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GLint x, GLint y, GLsizei width, GLsizei height,
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GLenum format, GLenum type,
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const struct gl_pixelstore_attrib *packing,
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GLvoid *pixels);
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extern void GLAPIENTRY
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_mesa_ReadPixels( GLint x, GLint y, GLsizei width, GLsizei height,
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GLenum format, GLenum type, GLvoid *pixels );
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extern void GLAPIENTRY
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_mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height,
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GLenum format, GLenum type, GLsizei bufSize,
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GLvoid *pixels );
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#endif
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