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/*
* Copyright 2006 Thomas Hellstrom. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef VIA_3D_H
#define VIA_3D_H
#include "xf86.h"
#include "via_dmabuffer.h"
#define VIA_NUM_TEXUNITS 2
typedef enum
{
via_single,
via_clamp,
via_repeat,
via_mirror,
via_warp
} ViaTextureModes;
typedef enum
{
via_src,
via_src_onepix_mask,
via_src_onepix_comp_mask,
via_mask,
via_comp_mask
} ViaTexBlendingModes;
typedef struct _ViaTextureUnit
{
CARD32 textureLevel0Offset;
CARD32 textureLevel0Pitch;
CARD32 textureLevel0Exp;
CARD32 textureLevel0WExp;
CARD32 textureLevel0HExp;
CARD32 textureFormat;
CARD32 textureModesT;
CARD32 textureModesS;
CARD32 texCsat;
CARD32 texRCa;
CARD32 texAsat;
CARD32 texRAa;
Bool agpTexture;
Bool textureDirty;
Bool texBColDirty;
Bool npot;
} ViaTextureUnit;
typedef struct _Via3DState
{
Bool destDirty;
Bool blendDirty;
Bool enableDirty;
Bool drawingDirty;
CARD32 rop;
CARD32 planeMask;
CARD32 solidColor;
CARD32 solidAlpha;
CARD32 destOffset;
CARD32 destPitch;
CARD32 destFormat;
int destDepth;
int numTextures;
Bool blend;
CARD32 blendCol0;
CARD32 blendCol1;
CARD32 blendAl0;
CARD32 blendAl1;
Bool writeAlpha;
Bool writeColor;
Bool useDestAlpha;
ViaTextureUnit tex[VIA_NUM_TEXUNITS];
void (*setDestination) (struct _Via3DState * v3d, CARD32 offset,
CARD32 pitch, int format);
void (*setDrawing) (struct _Via3DState * v3d, int rop,
CARD32 planeMask, CARD32 solidColor, CARD32 solidAlpha);
void (*setFlags) (struct _Via3DState * v3d, int numTextures,
Bool writeAlpha, Bool writeColor, Bool blend);
Bool(*setTexture) (struct _Via3DState * v3d, int tex, CARD32 offset,
CARD32 pitch, Bool nPot, CARD32 width, CARD32 height, int format,
ViaTextureModes sMode, ViaTextureModes tMode,
ViaTexBlendingModes blendingMode, Bool agpTexture);
void (*setTexBlendCol) (struct _Via3DState * v3d, int tex, Bool component,
CARD32 color);
void (*setCompositeOperator) (struct _Via3DState * v3d, CARD8 op);
Bool(*opSupported) (CARD8 op);
void (*emitQuad) (struct _Via3DState * v3d, ViaCommandBuffer * cb,
int dstX, int dstY, int src0X, int src0Y, int src1X, int src1Y, int w,
int h);
void (*emitState) (struct _Via3DState * v3d, ViaCommandBuffer * cb,
Bool forceUpload);
void (*emitClipRect) (struct _Via3DState * v3d, ViaCommandBuffer * cb,
int x, int y, int w, int h);
Bool(*dstSupported) (int format);
Bool(*texSupported) (int format);
} Via3DState;
void viaInit3DState(Via3DState * v3d);
#endif
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