/* * 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 500000 #define VIA_DMA_HIGHWATER (VIA_DMA_BUFSIZ - 256) /* 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; } viaBuffer, *viaBufferPtr; struct via_context_t { GLint refcount; GLcontext *glCtx; GLcontext *shareCtx; unsigned char* front_base; 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; GLuint *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; */ unsigned char* dmaAddr; GLuint dmaLow; 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; GLboolean stippleInHw; GLenum TexEnvImageFmt[2]; GLuint ClearColor; /* DRI stuff */ GLuint needClip; GLframebuffer *glBuffer; GLboolean doPageFlip; /*=* John Sheng [2003.5.31] flip *=*/ GLuint currentPage; char *drawMap; /* draw buffer address in virtual mem */ char *readMap; int drawX; /* origin of drawable in draw buffer */ int drawY; int drawW; int drawH; int drawPitch; int readPitch; 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 ); #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