i965/msaa: Allow GL_SAMPLES to be set to 1 prior to Gen6.
[mesa.git] / src / mesa / drivers / common / meta.h
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 */