via_3d.h revision 7e6fb56f 
1/*
2 * Copyright 2006 Thomas Hellstrom. All Rights Reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef VIA_3D_H
25#define VIA_3D_H
26
27#include "xf86.h"
28#include "via_dmabuffer.h"
29
30#define VIA_NUM_TEXUNITS 2
31
32typedef enum
33{
34    via_single,
35    via_clamp,
36    via_repeat,
37    via_mirror,
38    via_warp
39} ViaTextureModes;
40
41typedef enum
42{
43    via_src,
44    via_src_onepix_mask,
45    via_src_onepix_comp_mask,
46    via_mask,
47    via_comp_mask
48} ViaTexBlendingModes;
49
50typedef struct _ViaTextureUnit
51{
52    CARD32 textureLevel0Offset;
53    CARD32 textureLevel0Pitch;
54    CARD32 textureLevel0Exp;
55    CARD32 textureLevel0WExp;
56    CARD32 textureLevel0HExp;
57    CARD32 textureFormat;
58    CARD32 textureModesT;
59    CARD32 textureModesS;
60    CARD32 texCsat;
61    CARD32 texRCa;
62    CARD32 texAsat;
63    CARD32 texRAa;
64    Bool agpTexture;
65    Bool textureDirty;
66    Bool texBColDirty;
67    Bool npot;
68} ViaTextureUnit;
69
70typedef struct _Via3DState
71{
72    Bool destDirty;
73    Bool blendDirty;
74    Bool enableDirty;
75    Bool drawingDirty;
76    CARD32 rop;
77    CARD32 planeMask;
78    CARD32 solidColor;
79    CARD32 solidAlpha;
80    CARD32 destOffset;
81    CARD32 destPitch;
82    CARD32 destFormat;
83    int destDepth;
84    int numTextures;
85    Bool blend;
86    CARD32 blendCol0;
87    CARD32 blendCol1;
88    CARD32 blendAl0;
89    CARD32 blendAl1;
90    Bool writeAlpha;
91    Bool writeColor;
92    Bool useDestAlpha;
93    ViaTextureUnit tex[VIA_NUM_TEXUNITS];
94    void (*setDestination) (struct _Via3DState * v3d, CARD32 offset,
95	CARD32 pitch, int format);
96    void (*setDrawing) (struct _Via3DState * v3d, int rop,
97	CARD32 planeMask, CARD32 solidColor, CARD32 solidAlpha);
98    void (*setFlags) (struct _Via3DState * v3d, int numTextures,
99	Bool writeAlpha, Bool writeColor, Bool blend);
100        Bool(*setTexture) (struct _Via3DState * v3d, int tex, CARD32 offset,
101	CARD32 pitch, Bool nPot, CARD32 width, CARD32 height, int format,
102	ViaTextureModes sMode, ViaTextureModes tMode,
103	ViaTexBlendingModes blendingMode, Bool agpTexture);
104    void (*setTexBlendCol) (struct _Via3DState * v3d, int tex, Bool component,
105	CARD32 color);
106    void (*setCompositeOperator) (struct _Via3DState * v3d, CARD8 op);
107        Bool(*opSupported) (CARD8 op);
108    void (*emitQuad) (struct _Via3DState * v3d, ViaCommandBuffer * cb,
109	int dstX, int dstY, int src0X, int src0Y, int src1X, int src1Y, int w,
110	int h);
111    void (*emitState) (struct _Via3DState * v3d, ViaCommandBuffer * cb,
112	Bool forceUpload);
113    void (*emitClipRect) (struct _Via3DState * v3d, ViaCommandBuffer * cb,
114	int x, int y, int w, int h);
115        Bool(*dstSupported) (int format);
116        Bool(*texSupported) (int format);
117} Via3DState;
118
119void viaInit3DState(Via3DState * v3d);
120
121#endif
122