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/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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
* VIA, S3 GRAPHICS, AND/OR ITS 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.
*/
#ifndef _VIACONTEXT_H
#define _VIACONTEXT_H
typedef struct via_context_t viaContext;
typedef struct via_context_t *viaContextPtr;
typedef struct via_texture_object_t *viaTextureObjectPtr;
#include "dri_util.h"
#include "mtypes.h"
#include "drm.h"
#include "mm.h"
#include "via_screen.h"
#include "via_tex.h"
#include "via_common.h"
#include "xf86drmVIA.h"
#define VIA_FALLBACK_TEXTURE 0x1
#define VIA_FALLBACK_DRAW_BUFFER 0x2
#define VIA_FALLBACK_READ_BUFFER 0x4
#define VIA_FALLBACK_COLORMASK 0x8
#define VIA_FALLBACK_SPECULAR 0x20
#define VIA_FALLBACK_LOGICOP 0x40
#define VIA_FALLBACK_RENDERMODE 0x80
#define VIA_FALLBACK_STENCIL 0x100
#define VIA_FALLBACK_BLEND_EQ 0x200
#define VIA_FALLBACK_BLEND_FUNC 0x400
#define VIA_FALLBACK_USER_DISABLE 0x800
#define VIA_DMA_BUFSIZ 5000
#define VIA_DMA_HIGHWATER (VIA_DMA_BUFSIZ - 256)
#define VIA_NO_CLIPRECTS 0x1
/* Use the templated vertex formats:
*/
#define TAG(x) via##x
#include "tnl_dd/t_dd_vertex.h"
#undef TAG
typedef void (*via_tri_func)(viaContextPtr, viaVertex *, viaVertex *,
viaVertex *);
typedef void (*via_line_func)(viaContextPtr, viaVertex *, viaVertex *);
typedef void (*via_point_func)(viaContextPtr, viaVertex *);
typedef struct {
drm_handle_t handle;
drmSize size;
GLuint offset;
GLuint index;
GLuint pitch;
GLuint bpp;
char *map;
GLuint orig; /* The drawing origin,
* at (drawX,drawY) in screen space.
*/
char *origMap;
} viaBuffer, *viaBufferPtr;
struct via_context_t {
GLint refcount;
GLcontext *glCtx;
GLcontext *shareCtx;
viaBuffer front;
viaBuffer back;
viaBuffer depth;
GLboolean hasBack;
GLboolean hasDepth;
GLboolean hasStencil;
GLboolean hasAccum;
GLuint depthBits;
GLuint stencilBits;
GLboolean have_hw_stencil;
GLuint ClearDepth;
GLuint depth_clear_mask;
GLuint stencil_clear_mask;
GLfloat depth_max;
GLubyte *dma;
viaRegion tex;
GLuint isAGP;
/* Textures
*/
viaTextureObjectPtr CurrentTexObj[2];
struct via_texture_object_t TexObjList;
struct via_texture_object_t SwappedOut;
memHeap_t *texHeap;
/* Bit flag to keep 0track of fallbacks.
*/
GLuint Fallback;
/* State for via_vb.c and via_tris.c.
*/
GLuint newState; /* _NEW_* flags */
GLuint setupNewInputs;
GLuint setupIndex;
GLuint renderIndex;
GLmatrix ViewportMatrix;
GLenum renderPrimitive;
GLenum hwPrimitive;
unsigned char *verts;
/* drmBufPtr dma_buffer;
*/
GLuint dmaLow;
GLuint dmaCliprectAddr;
GLuint dmaLastPrim;
GLboolean useAgp;
/* Fallback rasterization functions
*/
via_point_func drawPoint;
via_line_func drawLine;
via_tri_func drawTri;
/* Hardware register
*/
GLuint regCmdA;
GLuint regCmdA_End;
GLuint regCmdB;
GLuint regEnable;
GLuint regHFBBMSKL;
GLuint regHROP;
GLuint regHZWTMD;
GLuint regHSTREF;
GLuint regHSTMD;
GLuint regHATMD;
GLuint regHABLCsat;
GLuint regHABLCop;
GLuint regHABLAsat;
GLuint regHABLAop;
GLuint regHABLRCa;
GLuint regHABLRFCa;
GLuint regHABLRCbias;
GLuint regHABLRCb;
GLuint regHABLRFCb;
GLuint regHABLRAa;
GLuint regHABLRAb;
GLuint regHFogLF;
GLuint regHFogCL;
GLuint regHFogCH;
GLuint regHLP;
GLuint regHLPRF;
GLuint regHTXnTB_0;
GLuint regHTXnMPMD_0;
GLuint regHTXnTBLCsat_0;
GLuint regHTXnTBLCop_0;
GLuint regHTXnTBLMPfog_0;
GLuint regHTXnTBLAsat_0;
GLuint regHTXnTBLRCb_0;
GLuint regHTXnTBLRAa_0;
GLuint regHTXnTBLRFog_0;
/*=* John Sheng [2003.7.18] texture combine *=*/
GLuint regHTXnTBLRCa_0;
GLuint regHTXnTBLRCc_0;
GLuint regHTXnTBLRCbias_0;
GLuint regHTXnTB_1;
GLuint regHTXnMPMD_1;
GLuint regHTXnTBLCsat_1;
GLuint regHTXnTBLCop_1;
GLuint regHTXnTBLMPfog_1;
GLuint regHTXnTBLAsat_1;
GLuint regHTXnTBLRCb_1;
GLuint regHTXnTBLRAa_1;
GLuint regHTXnTBLRFog_1;
/* Hardware state
*/
GLuint dirty;
int vertexSize;
int vertexFormat;
GLint lastStamp;
GLenum TexEnvImageFmt[2];
GLuint ClearColor;
/* DRI stuff
*/
GLuint needClip;
GLframebuffer *glBuffer;
GLboolean doPageFlip;
/*=* John Sheng [2003.5.31] flip *=*/
GLuint currentPage;
viaBuffer *drawBuffer;
viaBuffer *readBuffer;
int drawX; /* origin of drawable in draw buffer */
int drawY;
int drawW;
int drawH;
int drawXoff;
GLuint numClipRects; /* cliprects for that buffer */
drm_clip_rect_t *pClipRects;
int lastSwap;
int texAge;
int ctxAge;
int dirtyAge;
GLboolean scissor;
drm_clip_rect_t drawRect;
drm_clip_rect_t scissorRect;
drm_context_t hHWContext;
drm_hw_lock_t *driHwLock;
int driFd;
__DRInativeDisplay *display;
__DRIdrawablePrivate *driDrawable;
__DRIscreenPrivate *driScreen;
viaScreenPrivate *viaScreen;
drm_via_sarea_t *sarea;
volatile GLuint* regMMIOBase;
volatile GLuint* pnGEMode;
volatile GLuint* regEngineStatus;
volatile GLuint* regTranSet;
volatile GLuint* regTranSpace;
GLuint* agpBase;
GLuint drawType;
GLuint nDoneFirstFlip;
GLuint agpFullCount;
/* Configuration cache
*/
driOptionCache optionCache;
GLuint vblank_flags;
GLuint vbl_seq;
int64_t swap_ust;
int64_t swap_missed_ust;
GLuint swap_count;
GLuint swap_missed_count;
PFNGLXGETUSTPROC get_ust;
};
#define VIA_CONTEXT(ctx) ((viaContextPtr)(ctx->DriverCtx))
#define GET_DISPATCH_AGE(vmesa) vmesa->sarea->lastDispatch
#define GET_ENQUEUE_AGE(vmesa) vmesa->sarea->lastEnqueue
/* Lock the hardware and validate our state.
*/
#define LOCK_HARDWARE(vmesa) \
do { \
char __ret = 0; \
DRM_CAS(vmesa->driHwLock, vmesa->hHWContext, \
(DRM_LOCK_HELD|vmesa->hHWContext), __ret); \
if (__ret) \
viaGetLock(vmesa, 0); \
} while (0)
/* Release the kernel lock.
*/
#define UNLOCK_HARDWARE(vmesa) \
DRM_UNLOCK(vmesa->driFd, vmesa->driHwLock, vmesa->hHWContext);
#define WAIT_IDLE(vmesa) \
do { \
if ((((GLuint)*vmesa->regEngineStatus) & 0xFFFEFFFF) == 0x00020000) \
break; \
} while (1)
#ifdef DEBUG
extern GLuint VIA_DEBUG;
#else
#define VIA_DEBUG 0
#endif
extern void viaGetLock(viaContextPtr vmesa, GLuint flags);
extern void viaLock(viaContextPtr vmesa, GLuint flags);
extern void viaUnLock(viaContextPtr vmesa, GLuint flags);
extern void viaEmitHwStateLocked(viaContextPtr vmesa);
extern void viaEmitScissorValues(viaContextPtr vmesa, int box_nr, int emit);
extern void viaXMesaSetBackClipRects(viaContextPtr vmesa);
extern void viaXMesaSetFrontClipRects(viaContextPtr vmesa);
extern void viaReAllocateBuffers(GLframebuffer *drawbuffer);
extern void viaXMesaWindowMoved(viaContextPtr vmesa);
extern void viaTexCombineState(viaContextPtr vmesa,
const struct gl_tex_env_combine_state * combine, unsigned unit );
/* Via hw already adjusted for GL pixel centers:
*/
#define SUBPIXEL_X 0
#define SUBPIXEL_Y 0
/* TODO XXX _SOLO temp defines to make code compilable */
#ifndef GLX_PBUFFER_BIT
#define GLX_PBUFFER_BIT 0x00000004
#endif
#ifndef GLX_WINDOW_BIT
#define GLX_WINDOW_BIT 0x00000001
#endif
#ifndef VERT_BIT_CLIP
#define VERT_BIT_CLIP 0x1000000
#endif
#endif
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