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      1 /*
      2  * Mesa 3-D graphics library
      3  * Version:  7.6
      4  *
      5  * Copyright (C) 2009  VMware, Inc.  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 "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included
     15  * in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 
     25 
     26 #ifndef META_H
     27 #define META_H
     28 
     29 #include "main/mtypes.h"
     30 
     31 /**
     32  * \name Flags for meta operations
     33  * \{
     34  *
     35  * These flags are passed to _mesa_meta_begin().
     36  */
     37 #define MESA_META_ALL                      ~0x0
     38 #define MESA_META_ALPHA_TEST                0x1
     39 #define MESA_META_BLEND                     0x2  /**< includes logicop */
     40 #define MESA_META_COLOR_MASK                0x4
     41 #define MESA_META_DEPTH_TEST                0x8
     42 #define MESA_META_FOG                      0x10
     43 #define MESA_META_PIXEL_STORE              0x20
     44 #define MESA_META_PIXEL_TRANSFER           0x40
     45 #define MESA_META_RASTERIZATION            0x80
     46 #define MESA_META_SCISSOR                 0x100
     47 #define MESA_META_SHADER                  0x200
     48 #define MESA_META_STENCIL_TEST            0x400
     49 #define MESA_META_TRANSFORM               0x800 /**< modelview/projection matrix state */
     50 #define MESA_META_TEXTURE                0x1000
     51 #define MESA_META_VERTEX                 0x2000
     52 #define MESA_META_VIEWPORT               0x4000
     53 #define MESA_META_CLAMP_FRAGMENT_COLOR   0x8000
     54 #define MESA_META_CLAMP_VERTEX_COLOR    0x10000
     55 #define MESA_META_CONDITIONAL_RENDER    0x20000
     56 #define MESA_META_CLIP                  0x40000
     57 #define MESA_META_SELECT_FEEDBACK       0x80000
     58 #define MESA_META_MULTISAMPLE          0x100000
     59 /**\}*/
     60 
     61 extern void
     62 _mesa_meta_init(struct gl_context *ctx);
     63 
     64 extern void
     65 _mesa_meta_free(struct gl_context *ctx);
     66 
     67 extern void
     68 _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
     69 
     70 extern void
     71 _mesa_meta_end(struct gl_context *ctx);
     72 
     73 extern GLboolean
     74 _mesa_meta_in_progress(struct gl_context *ctx);
     75 
     76 extern void
     77 _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
     78                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
     79                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
     80                            GLbitfield mask, GLenum filter);
     81 
     82 extern void
     83 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
     84 
     85 extern void
     86 _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers);
     87 
     88 extern void
     89 _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
     90                       GLsizei width, GLsizei height,
     91                       GLint dstx, GLint dsty, GLenum type);
     92 
     93 extern void
     94 _mesa_meta_DrawPixels(struct gl_context *ctx,
     95                       GLint x, GLint y, GLsizei width, GLsizei height,
     96                       GLenum format, GLenum type,
     97                       const struct gl_pixelstore_attrib *unpack,
     98                       const GLvoid *pixels);
     99 
    100 extern void
    101 _mesa_meta_Bitmap(struct gl_context *ctx,
    102                   GLint x, GLint y, GLsizei width, GLsizei height,
    103                   const struct gl_pixelstore_attrib *unpack,
    104                   const GLubyte *bitmap);
    105 
    106 extern GLboolean
    107 _mesa_meta_check_generate_mipmap_fallback(struct gl_context *ctx, GLenum target,
    108                                           struct gl_texture_object *texObj);
    109 
    110 extern void
    111 _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
    112                           struct gl_texture_object *texObj);
    113 
    114 extern void
    115 _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
    116                            struct gl_texture_image *texImage,
    117                            GLint xoffset, GLint yoffset, GLint zoffset,
    118                            struct gl_renderbuffer *rb,
    119                            GLint x, GLint y,
    120                            GLsizei width, GLsizei height);
    121 
    122 extern void
    123 _mesa_meta_GetTexImage(struct gl_context *ctx,
    124                        GLenum format, GLenum type, GLvoid *pixels,
    125                        struct gl_texture_image *texImage);
    126 
    127 extern void
    128 _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
    129                    GLfloat width, GLfloat height);
    130 
    131 #endif /* META_H */
    132