swrast: add s_renderbuffer.[ch], copied from main/renderbuffer.[ch]
Copying these files is the first step in moving the software buffer code from main/renderbuffer.c to swrast/s_renderbuffer.c Reviewed-by: Eric Anholt <eric@anholt.net>
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/*
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* Mesa 3-D graphics library
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* Version: 6.5
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*
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* Copyright (C) 1999-2005 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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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef RENDERBUFFER_H
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#define RENDERBUFFER_H
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#include "glheader.h"
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#include "mtypes.h"
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struct gl_context;
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struct gl_framebuffer;
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struct gl_renderbuffer;
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extern void
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_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name);
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extern struct gl_renderbuffer *
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_mesa_new_renderbuffer(struct gl_context *ctx, GLuint name);
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extern void
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_mesa_delete_renderbuffer(struct gl_renderbuffer *rb);
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extern struct gl_renderbuffer *
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_mesa_new_soft_renderbuffer(struct gl_context *ctx, GLuint name);
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void
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_mesa_map_soft_renderbuffer(struct gl_context *ctx,
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struct gl_renderbuffer *rb,
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GLuint x, GLuint y, GLuint w, GLuint h,
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GLbitfield mode,
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GLubyte **out_map,
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GLint *out_stride);
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void
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_mesa_unmap_soft_renderbuffer(struct gl_context *ctx,
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struct gl_renderbuffer *rb);
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extern void
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_mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb);
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extern void
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_mesa_add_soft_renderbuffers(struct gl_framebuffer *fb,
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GLboolean color,
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GLboolean depth,
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GLboolean stencil,
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GLboolean accum,
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GLboolean alpha,
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GLboolean aux);
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extern void
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_mesa_add_renderbuffer(struct gl_framebuffer *fb,
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gl_buffer_index bufferName, struct gl_renderbuffer *rb);
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extern void
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_mesa_remove_renderbuffer(struct gl_framebuffer *fb,
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gl_buffer_index bufferName);
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extern void
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_mesa_reference_renderbuffer_(struct gl_renderbuffer **ptr,
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struct gl_renderbuffer *rb);
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static inline void
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_mesa_reference_renderbuffer(struct gl_renderbuffer **ptr,
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struct gl_renderbuffer *rb)
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{
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if (*ptr != rb)
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_mesa_reference_renderbuffer_(ptr, rb);
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}
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#endif /* RENDERBUFFER_H */
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