src/mesa/drivers/dri/common/dri_metaops.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * Copyright 2009 Intel Corporation.
   5  * All Rights Reserved.
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   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #ifndef DRI_METAOPS_H
  30 #define DRI_METAOPS_H
  31
  32
  33 struct dri_metaops {
  34     struct gl_context *ctx;
  35     GLboolean internal_viewport_call;
  36     struct gl_fragment_program *bitmap_fp;
  37     struct gl_vertex_program *passthrough_vp;
  38     struct gl_buffer_object *texcoord_vbo;
  39
  40     struct gl_fragment_program *saved_fp;
  41     GLboolean saved_fp_enable;
  42     struct gl_vertex_program *saved_vp;
  43     GLboolean saved_vp_enable;
  44
  45     struct gl_fragment_program *tex2d_fp;
  46
  47     GLboolean saved_texcoord_enable;
  48     struct gl_buffer_object *saved_array_vbo, *saved_texcoord_vbo;
  49     GLenum saved_texcoord_type;
  50     GLsizei saved_texcoord_size, saved_texcoord_stride;
  51     const void *saved_texcoord_ptr;
  52     int saved_active_texture;
  53
  54     GLint saved_vp_x, saved_vp_y;
  55     GLsizei saved_vp_width, saved_vp_height;
  56     GLenum saved_matrix_mode;
  57 };
  58
  59
  60 void meta_set_passthrough_transform(struct dri_metaops *meta);
  61
  62 void meta_restore_transform(struct dri_metaops *meta);
  63
  64 void meta_set_passthrough_vertex_program(struct dri_metaops *meta);
  65
  66 void meta_restore_vertex_program(struct dri_metaops *meta);
  67
  68 void meta_set_fragment_program(struct dri_metaops *meta,
  69                           struct gl_fragment_program **prog,
  70                           const char *prog_string);
  71
  72 void meta_restore_fragment_program(struct dri_metaops *meta);
  73
  74 void meta_set_default_texrect(struct dri_metaops *meta);
  75
  76 void meta_restore_texcoords(struct dri_metaops *meta);
  77
  78 void meta_init_metaops(struct gl_context *ctx, struct dri_metaops *meta);
  79 void meta_destroy_metaops(struct dri_metaops *meta);
  80
  81 #endif