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.
   6  *
   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
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28 #ifndef DRI_METAOPS_H
  29 #define DRI_METAOPS_H
  30
  31 #define TRI_CLEAR_COLOR_BITS (BUFFER_BIT_BACK_LEFT |                    \
  32                               BUFFER_BIT_FRONT_LEFT |                   \
  33                               BUFFER_BIT_COLOR0 |                       \
  34                               BUFFER_BIT_COLOR1 |                       \
  35                               BUFFER_BIT_COLOR2 |                       \
  36                               BUFFER_BIT_COLOR3 |                       \
  37                               BUFFER_BIT_COLOR4 |                       \
  38                               BUFFER_BIT_COLOR5 |                       \
  39                               BUFFER_BIT_COLOR6 |                       \
  40                               BUFFER_BIT_COLOR7)
  41
  42 struct dri_meta_clear {
  43     struct gl_array_object *arrayObj;
  44     GLfloat vertices[4][3];
  45     GLfloat color[4][4];
  46 };
  47
  48 struct dri_metaops {
  49     GLcontext *ctx;
  50     GLboolean internal_viewport_call;
  51     struct gl_fragment_program *bitmap_fp;
  52     struct gl_vertex_program *passthrough_vp;
  53     struct gl_buffer_object *texcoord_vbo;
  54
  55     struct gl_fragment_program *saved_fp;
  56     GLboolean saved_fp_enable;
  57     struct gl_vertex_program *saved_vp;
  58     GLboolean saved_vp_enable;
  59
  60     struct gl_fragment_program *tex2d_fp;
  61
  62     GLboolean saved_texcoord_enable;
  63     struct gl_buffer_object *saved_array_vbo, *saved_texcoord_vbo;
  64     GLenum saved_texcoord_type;
  65     GLsizei saved_texcoord_size, saved_texcoord_stride;
  66     const void *saved_texcoord_ptr;
  67     int saved_active_texture;
  68
  69     GLint saved_vp_x, saved_vp_y;
  70     GLsizei saved_vp_width, saved_vp_height;
  71     GLenum saved_matrix_mode;
  72
  73     struct dri_meta_clear clear;
  74 };
  75
  76
  77 void meta_set_passthrough_transform(struct dri_metaops *meta);
  78
  79 void meta_restore_transform(struct dri_metaops *meta);
  80
  81 void meta_set_passthrough_vertex_program(struct dri_metaops *meta);
  82
  83 void meta_restore_vertex_program(struct dri_metaops *meta);
  84
  85 void meta_set_fragment_program(struct dri_metaops *meta,
  86                           struct gl_fragment_program **prog,
  87                           const char *prog_string);
  88
  89 void meta_restore_fragment_program(struct dri_metaops *meta);
  90
  91 void meta_set_default_texrect(struct dri_metaops *meta);
  92
  93 void meta_restore_texcoords(struct dri_metaops *meta);
  94 void meta_clear_tris(struct dri_metaops *meta, GLbitfield mask);
  95
  96 void meta_init_metaops(GLcontext *ctx, struct dri_metaops *meta);
  97 void meta_destroy_metaops(struct dri_metaops *meta);
  98 #endif
  99