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