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/* $XFree86$ */
/**************************************************************************
Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
Cedar Park, Texas.
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
on 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
ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS 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.
**************************************************************************/
/*
* Authors:
* Kevin E. Martin <kevin@precisioninsight.com>
*
*/
#ifndef _R128_CONTEXT_H_
#define _R128_CONTEXT_H_
#ifdef GLX_DIRECT_RENDERING
#include "r128_texobj.h"
#include "r128_fastpath.h"
#include "r128_ccevb.h"
/* Flags for what needs to be updated before a new primitive is rendered */
#define R128_CLEAN 0x0000
#define R128_REQUIRE_QUIESCENCE 0x0001
#define R128_UPDATE_CONTEXT 0x0002
#define R128_UPDATE_WINPOS 0x0004
#define R128_UPDATE_TEX0IMAGES 0x0008
#define R128_UPDATE_TEX1IMAGES 0x0010
#define R128_UPDATE_TEXSTATE 0x0020
#define R128_ALL_DIRTY 0xffff
/* Flags for what context state needs to be updated */
#define R128_CTX_CLEAN 0x0000
#define R128_CTX_MISC 0x0001
#define R128_CTX_ENGINESTATE 0x0002
#define R128_CTX_TEX0STATE 0x0004
#define R128_CTX_TEX1STATE 0x0008
#define R128_CTX_TEXENVSTATE 0x0010
#define R128_CTX_FOGSTATE 0x0020
#define R128_CTX_FOGTABLE 0x0040
#define R128_CTX_ZSTENSTATE 0x0080
#define R128_CTX_SCISSORS 0x0100
#define R128_CTX_ALPHASTATE 0x0200
#define R128_CTX_SETUPSTATE 0x0400
#define R128_CTX_WIN_Z_POS 0x0800
#define R128_CTX_FLUSH_PIX_CACHE 0x1000
#define R128_CTX_ALL_DIRTY 0xffff
/* Flags for software fallback cases */
#define R128_FALLBACK_TEXTURE 0x0001
#define R128_FALLBACK_DRAW_BUFFER 0x0002
#define R128_FALLBACK_READ_BUFFER 0x0004
#define R128_FALLBACK_COLORMASK 0x0008
#define R128_FALLBACK_STIPPLE 0x0010
/* NOTE: The groups below need to be kept together so that a single
memcpy can be used to transfer data to the ring buffer */
typedef struct {
CARD32 scale_3d_cntl; /* 0x1a00 */
CARD32 aux_sc_cntl; /* 0x1660 */
CARD32 aux1_sc_left;
CARD32 aux1_sc_right;
CARD32 aux1_sc_top;
CARD32 aux1_sc_bottom;
CARD32 aux2_sc_left;
CARD32 aux2_sc_right;
CARD32 aux2_sc_top;
CARD32 aux2_sc_bottom;
CARD32 aux3_sc_left;
CARD32 aux3_sc_right;
CARD32 aux3_sc_top;
CARD32 aux3_sc_bottom; /* 0x1690 */
CARD32 dst_pitch_offset_c; /* 0x1c80 */
CARD32 dp_gui_master_cntl;
CARD32 sc_top_left_c;
CARD32 sc_bottom_right_c;
CARD32 z_offset_c;
CARD32 z_pitch_c;
CARD32 z_sten_cntl_c;
CARD32 tex_cntl_c;
CARD32 misc_3d_state_cntl_reg;
CARD32 texture_clr_cmp_clr_c;
CARD32 texture_clr_cmp_msk_c;
CARD32 fog_color_c;
CARD32 prim_tex_cntl_c;
CARD32 prim_texture_combine_cntl_c;
CARD32 tex_size_pitch_c;
CARD32 prim_tex_offset[R128_TEX_MAXLEVELS]; /* 0x1ce4 */
CARD32 sec_tex_cntl_c; /* 0x1d00 */
CARD32 sec_tex_combine_cntl_c;
CARD32 sec_tex_offset[R128_TEX_MAXLEVELS];
CARD32 constant_color_c;
CARD32 prim_texture_border_color_c;
CARD32 sec_texture_border_color_c;
CARD32 sten_ref_mask_c;
CARD32 plane_3d_mask_c; /* 0x1d44 */
CARD32 setup_cntl; /* 0x1bc4 */
CARD32 pm4_vc_fpu_setup; /* 0x071c */
CARD32 fog_3d_table_start; /* 0x1810 */
CARD32 fog_3d_table_end;
CARD32 fog_3d_table_density; /* 0x181c */
CARD32 window_xy_offset; /* 0x1bcc */
CARD32 dp_write_mask; /* 0x16cc */
CARD32 pc_gui_ctlstat; /* 0x1748 */
} r128ContextRegs;
typedef struct {
XMesaContext xmCtx; /* XMesa context */
GLcontext *glCtx; /* Mesa context */
int dirty; /* Hardware state to be updated */
int dirty_context; /* Context state to be updated */
int SWonly; /* Force software-only rendering */
int SWfallbackDisable; /* Disable software fallbacks */
r128TexObjPtr CurrentTexObj[2]; /* Ptr to current texture
object associated with
each texture unit */
/* List of tex swapped in per heap*/
r128TexObj TexObjList[R128_NR_TEX_HEAPS];
r128TexObj SwappedOut; /* List of textures swapped out */
memHeap_t *texHeap[R128_NR_TEX_HEAPS]; /* Global tex heaps */
/* Last known global tex heap ages */
int lastTexAge[R128_NR_TEX_HEAPS];
CARD32 lastSwapAge; /* Last known swap age */
GLenum FogMode; /* Current fog equation */
int Scissor;
XF86DRIClipRectRec ScissorRect; /* Current software scissor */
int useFastPath; /* Currently using Fast Path code */
int SetupIndex; /* Raster setup function index */
int SetupDone; /* Partial raster setup done? */
int RenderIndex; /* Render state function index */
r128InterpFunc interp; /* Current vert interp function */
r128CCEVertBuf vb; /* VB currently being filled */
int disableVB; /* Disable the use of vertex buffers */
points_func PointsFunc; /* Current Points, Line, Triangle */
line_func LineFunc; /* and Quad rendering functions */
triangle_func TriangleFunc;
quad_func QuadFunc;
CARD32 IndirectTriangles; /* Flags for point, line,
tri and quad software
fallbacks */
CARD32 Fallback; /* Need software fallback */
r128ContextRegs regs; /* Hardware state */
CARD32 Color; /* Current draw color */
CARD32 ClearColor; /* Color used to clear color buffer */
CARD32 ClearDepth; /* Value used to clear depth buffer */
int drawX; /* x-offset to current draw buffer */
int drawY; /* y-offset to current draw buffer */
int readX; /* x-offset to current read buffer */
int readY; /* y-offset to current read buffer */
CARD32 *CCEbuf; /* buffer to submit to CCE */
int CCEcount; /* number of dwords in CCEbuf */
Display *display; /* X server display */
__DRIcontextPrivate *driContext; /* DRI context */
__DRIdrawablePrivate *driDrawable; /* DRI drawable bound to this ctx */
r128ScreenPtr r128Screen; /* Screen private DRI data */
} r128ContextRec, *r128ContextPtr;
#define R128_MESACTX(r128ctx) ((r128ctx)->glCtx)
#define R128_DRIDRAWABLE(r128ctx) ((r128ctx)->driDrawable)
#define R128_DRISCREEN(r128ctx) ((r128ctx)->r128Screen->driScreen)
extern r128ContextPtr r128CreateContext(GLvisual *glVisual,
XMesaContext c,
XMesaContext share_list);
extern void r128DestroyContext(r128ContextPtr r128ctx);
extern r128ContextPtr r128MakeCurrent(r128ContextPtr oldCtx,
r128ContextPtr newCtx,
__DRIdrawablePrivate *dPriv);
#endif
#endif /* _R128_CONTEXT_H_ */
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