/* -*- mode: C; tab-width:8; c-basic-offset:2 -*- */ /* * Mesa 3-D graphics library * Version: 3.1 * * Copyright (C) 1999 Brian Paul 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, sublicense, * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL 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. * * * Original Mesa / 3Dfx device driver (C) 1999 David Bucciarelli, by the * terms stated above. * * Thank you for your contribution, David! * * Please make note of the above copyright/license statement. If you * contributed code or bug fixes to this code under the previous (GNU * Library) license and object to the new license, your code will be * removed at your request. Please see the Mesa docs/COPYRIGHT file * for more information. * * Additional Mesa/3Dfx driver developers: * Daryll Strauss * Keith Whitwell * * See fxapi.h for more revision/author details. */ #ifndef FXDRV_H #define FXDRV_H /* If you comment out this define, a variable takes its place, letting * you turn debugging on/off from the debugger. */ #ifndef XFree86Server #include #include #include #include #include #else #include "GL/xf86glx.h" #endif #if defined(__linux__) #include #endif #include "context.h" #include "macros.h" #include "matrix.h" #include "mem.h" #include "texture.h" #include "types.h" #include "vb.h" #include "xform.h" #include "clip.h" #include "vbrender.h" #ifdef XF86DRI typedef struct tfxMesaContext *fxMesaContext; #else #include "GL/fxmesa.h" #endif #include "fxglidew.h" /* use gl/gl.h GLAPI/GLAPIENTRY/GLCALLBACK in place of WINGDIAPI/APIENTRY/CALLBACK, */ /* these are defined in mesa gl/gl.h - tjump@spgs.com */ #if defined(MESA_DEBUG) && 0 extern void fx_sanity_triangle( GrVertex *, GrVertex *, GrVertex * ); #define grDrawTriangle fx_sanity_triangle #endif /* Define some shorter names for these things. */ #define XCOORD GR_VERTEX_X_OFFSET #define YCOORD GR_VERTEX_Y_OFFSET #define ZCOORD GR_VERTEX_OOZ_OFFSET #define OOWCOORD GR_VERTEX_OOW_OFFSET #define RCOORD GR_VERTEX_R_OFFSET #define GCOORD GR_VERTEX_G_OFFSET #define BCOORD GR_VERTEX_B_OFFSET #define ACOORD GR_VERTEX_A_OFFSET #define S0COORD GR_VERTEX_SOW_TMU0_OFFSET #define T0COORD GR_VERTEX_TOW_TMU0_OFFSET #define S1COORD GR_VERTEX_SOW_TMU1_OFFSET #define T1COORD GR_VERTEX_TOW_TMU1_OFFSET #if FX_USE_PARGB #define CLIP_XCOORD 0 /* normal place */ #define CLIP_YCOROD 1 /* normal place */ #define CLIP_ZCOORD 2 /* normal place */ #define CLIP_WCOORD 3 /* normal place */ #define CLIP_GCOORD 4 /* GR_VERTEX_PARGB_OFFSET */ #define CLIP_BCOORD 5 /* GR_VERTEX_SOW_TMU0_OFFSET */ #define CLIP_RCOORD 6 /* GR_VERTEX_TOW_TMU0_OFFSET */ #define CLIP_ACOORD 7 /* GR_VERTEX_OOW_TMU0_OFFSET */ #else #define CLIP_XCOORD 0 /* normal place */ #define CLIP_YCOROD 1 /* normal place */ #define CLIP_ZCOORD 2 /* GR_VERTEX_Z_OFFSET */ #define CLIP_WCOORD 3 /* GR_VERTEX_R_OFFSET */ #define CLIP_GCOORD 4 /* normal place */ #define CLIP_BCOORD 5 /* normal place */ #define CLIP_RCOORD 6 /* GR_VERTEX_OOZ_OFFSET */ #define CLIP_ACOORD 7 /* normal place */ #endif /* Should have size == 16 * sizeof(float). */ typedef struct { GLfloat f[15]; /* Same layout as GrVertex */ GLubyte mask; /* Unsued */ GLubyte usermask; /* Unused */ } fxVertex; #if defined(FXMESA_USE_ARGB) #define FXCOLOR4( c ) ( \ ( ((unsigned int)(c[3]))<<24 ) | \ ( ((unsigned int)(c[0]))<<16 ) | \ ( ((unsigned int)(c[1]))<<8 ) | \ ( (unsigned int)(c[2])) ) #else #ifdef __i386__ #define FXCOLOR4( c ) (* (int *)c) #else #define FXCOLOR4( c ) ( \ ( ((unsigned int)(c[3]))<<24 ) | \ ( ((unsigned int)(c[2]))<<16 ) | \ ( ((unsigned int)(c[1]))<<8 ) | \ ( (unsigned int)(c[0])) ) #endif #endif #define FX_VB_COLOR(fxm, color) \ do { \ if (sizeof(GLint) == 4*sizeof(GLubyte)) { \ if (fxm->constColor != *(GLuint*)color) { \ fxm->constColor = *(GLuint*)color; \ FX_grConstantColorValue(FXCOLOR4(color)); \ } \ } else { \ FX_grConstantColorValue(FXCOLOR4(color)); \ } \ } while (0) #define GOURAUD(x) { \ GLubyte *col = VB->ColorPtr->data[(x)]; \ gWin[(x)].v.r=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[0]); \ gWin[(x)].v.g=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[1]); \ gWin[(x)].v.b=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[2]); \ gWin[(x)].v.a=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[3]); \ } #if FX_USE_PARGB #define GOURAUD2(v, c) { \ GLubyte *col = c; \ v->argb=MESACOLOR2PARGB(col); \ } #else #define GOURAUD2(v, c) { \ GLubyte *col = c; \ v->r=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[0]); \ v->g=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[1]); \ v->b=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[2]); \ v->a=UBYTE_COLOR_TO_FLOAT_255_COLOR(col[3]); \ } #endif /* Mergable items first */ #define SETUP_RGBA 0x1 #define SETUP_TMU0 0x2 #define SETUP_TMU1 0x4 #define SETUP_XY 0x8 #define SETUP_Z 0x10 #define SETUP_W 0x20 #define MAX_MERGABLE 0x8 #define FX_NUM_TMU 2 #define FX_TMU0 GR_TMU0 #define FX_TMU1 GR_TMU1 #define FX_TMU_SPLIT 98 #define FX_TMU_BOTH 99 #define FX_TMU_NONE 100 /* Used for fxMesa->lastUnitsMode */ #define FX_UM_NONE 0x00000000 #define FX_UM_E0_REPLACE 0x00000001 #define FX_UM_E0_MODULATE 0x00000002 #define FX_UM_E0_DECAL 0x00000004 #define FX_UM_E0_BLEND 0x00000008 #define FX_UM_E0_ADD 0x00000010 #define FX_UM_E1_REPLACE 0x00000020 #define FX_UM_E1_MODULATE 0x00000040 #define FX_UM_E1_DECAL 0x00000080 #define FX_UM_E1_BLEND 0x00000100 #define FX_UM_E1_ADD 0x00000200 #define FX_UM_E_ENVMODE 0x000003ff #define FX_UM_E0_ALPHA 0x00001000 #define FX_UM_E0_LUMINANCE 0x00002000 #define FX_UM_E0_LUMINANCE_ALPHA 0x00004000 #define FX_UM_E0_INTENSITY 0x00008000 #define FX_UM_E0_RGB 0x00010000 #define FX_UM_E0_RGBA 0x00020000 #define FX_UM_E1_ALPHA 0x00040000 #define FX_UM_E1_LUMINANCE 0x00080000 #define FX_UM_E1_LUMINANCE_ALPHA 0x00100000 #define FX_UM_E1_INTENSITY 0x00200000 #define FX_UM_E1_RGB 0x00400000 #define FX_UM_E1_RGBA 0x00800000 #define FX_UM_E_IFMT 0x00fff000 #define FX_UM_COLOR_ITERATED 0x00100000 #define FX_UM_COLOR_CONSTANT 0x00200000 #define FX_UM_ALPHA_ITERATED 0x00400000 #define FX_UM_ALPHA_CONSTANT 0x00800000 typedef void (*tfxRenderVBFunc)(GLcontext *); /* Memory range from startAddr to endAddr-1 */ typedef struct MemRange_t { struct MemRange_t *next; FxU32 startAddr, endAddr; } MemRange; typedef struct { GLsizei width, height; GLint glideFormat; unsigned short *data; GLboolean translated, used; } tfxMipMapLevel; typedef struct tfxTexInfo_t { struct tfxTexInfo *next; struct gl_texture_object *tObj; GLuint lastTimeUsed; FxU32 whichTMU; GLboolean isInTM; tfxMipMapLevel mipmapLevel[MAX_TEXTURE_LEVELS]; MemRange *tm[FX_NUM_TMU]; GLint minLevel, maxLevel; GLint baseLevelInternalFormat; GrTexInfo info; GrTextureFilterMode_t minFilt; GrTextureFilterMode_t maxFilt; FxBool LODblend; GrTextureClampMode_t sClamp; GrTextureClampMode_t tClamp; GrMipMapMode_t mmMode; GLfloat sScale, tScale; GLint int_sScale, int_tScale; /* x86 floating point trick for * multiplication by powers of 2. * Used in fxfasttmp.h */ GuTexPalette palette; GLboolean fixedPalette; GLboolean validated; } tfxTexInfo; typedef struct { GLuint swapBuffer; GLuint reqTexUpload; GLuint texUpload; GLuint memTexUpload; } tfxStats; typedef void (*tfxTriViewClipFunc)( struct vertex_buffer *VB, GLuint v[], GLubyte mask ); typedef void (*tfxTriClipFunc)( struct vertex_buffer *VB, GLuint v[], GLuint mask ); typedef void (*tfxLineClipFunc)( struct vertex_buffer *VB, GLuint v1, GLuint v2, GLubyte mask ); extern tfxTriViewClipFunc fxTriViewClipTab[0x8]; extern tfxTriClipFunc fxTriClipStrideTab[0x8]; extern tfxLineClipFunc fxLineClipTab[0x8]; typedef struct { /* Alpha test */ GLboolean alphaTestEnabled; GrCmpFnc_t alphaTestFunc; GrAlpha_t alphaTestRefValue; /* Blend function */ GLboolean blendEnabled; GrAlphaBlendFnc_t blendSrcFuncRGB; GrAlphaBlendFnc_t blendDstFuncRGB; GrAlphaBlendFnc_t blendSrcFuncAlpha; GrAlphaBlendFnc_t blendDstFuncAlpha; /* Depth test */ GLboolean depthTestEnabled; GLboolean depthMask; GrCmpFnc_t depthTestFunc; } tfxUnitsState; /* Flags for render_index. */ #define FX_OFFSET 0x1 #define FX_TWOSIDE 0x2 #define FX_FRONT_BACK 0x4 #define FX_FLAT 0x8 #define FX_ANTIALIAS 0x10 #define FX_FALLBACK 0x20 /* Flags for fxMesa->new_state */ #define FX_NEW_TEXTURING 0x1 #define FX_NEW_BLEND 0x2 #define FX_NEW_ALPHA 0x4 #define FX_NEW_DEPTH 0x8 #define FX_NEW_FOG 0x10 #define FX_NEW_SCISSOR 0x20 #define FX_NEW_COLOR_MASK 0x40 #define FX_NEW_CULL 0x80 /* FX struct stored in VB->driver_data. */ struct tfxMesaVertexBuffer { GLvector1ui clipped_elements; fxVertex *verts; fxVertex *last_vert; void *vert_store; #if defined(FX_GLIDE3) GrVertex **triangle_b; /* Triangle buffer */ GrVertex **strips_b; /* Strips buffer */ #endif GLuint size; }; #define FX_DRIVER_DATA(vb) ((struct tfxMesaVertexBuffer *)((vb)->driver_data)) #define FX_CONTEXT(ctx) ((fxMesaContext)((ctx)->DriverCtx)) #define FX_TEXTURE_DATA(t) fxTMGetTexInfo((t)->Current) #if defined(XFree86Server) || defined(GLX_DIRECT_RENDERING) #include "tdfx_init.h" #else #define DRI_FX_CONTEXT #define BEGIN_BOARD_LOCK() #define END_BOARD_LOCK() #define BEGIN_CLIP_LOOP() #define END_CLIP_LOOP() #endif /* These lookup table are used to extract RGB values in [0,255] from * 16-bit pixel values. */ extern GLubyte FX_PixelToR[0x10000]; extern GLubyte FX_PixelToG[0x10000]; extern GLubyte FX_PixelToB[0x10000]; struct tfxMesaContext { GuTexPalette glbPalette; GLcontext *glCtx; /* the core Mesa context */ GLvisual *glVis; /* describes the color buffer */ GLframebuffer *glBuffer; /* the ancillary buffers */ GLint board; /* the board used for this context */ GLint width, height; /* size of color buffer */ GrBuffer_t currentFB; GrColor_t color; GrColor_t clearC; GrAlpha_t clearA; GLuint constColor; tfxUnitsState unitsState; tfxUnitsState restoreUnitsState; /* saved during multipass */ GLuint tmu_source[FX_NUM_TMU]; GLuint tex_dest[MAX_TEXTURE_UNITS]; GLuint setupindex; GLuint partial_setup_index; GLuint setupdone; GLuint mergeindex; GLuint mergeinputs; GLuint render_index; GLuint last_tri_caps; GLuint stw_hint_state; /* for grHints */ GLuint is_in_hardware; GLuint new_state; GLuint using_fast_path, passes, multipass; tfxLineClipFunc clip_line; tfxTriClipFunc clip_tri_stride; tfxTriViewClipFunc view_clip_tri; /* Texture Memory Manager Data */ GLuint texBindNumber; GLint tmuSrc; GLuint lastUnitsMode; GLuint texStart[FX_NUM_TMU]; GLuint freeTexMem[FX_NUM_TMU]; MemRange *tmPool; MemRange *tmFree[FX_NUM_TMU]; GLenum fogTableMode; GLfloat fogDensity; GrFog_t *fogTable; /* Acc. functions */ points_func PointsFunc; line_func LineFunc; triangle_func TriangleFunc; quad_func QuadFunc; render_func **RenderVBTables; render_func *RenderVBClippedTab; render_func *RenderVBCulledTab; render_func *RenderVBRawTab; tfxStats stats; void *state; /* Options */ GLboolean verbose; GLboolean haveTwoTMUs; /* True if we really have 2 tmu's */ GLboolean emulateTwoTMUs; /* True if we present 2 tmu's to mesa. */ GLboolean haveAlphaBuffer; GLboolean haveZBuffer; GLboolean haveDoubleBuffer; GLboolean haveGlobalPaletteTexture; GLint swapInterval; GLint maxPendingSwapBuffers; FX_GrContext_t glideContext; int x_offset; int y_offset; int y_delta; int screen_width; int screen_height; int initDone; int clipMinX; int clipMaxX; int clipMinY; int clipMaxY; int needClip; DRI_FX_CONTEXT }; typedef void (*tfxSetupFunc)(struct vertex_buffer *, GLuint, GLuint); extern GrHwConfiguration glbHWConfig; extern int glbCurrentBoard; extern void fxSetupFXUnits(GLcontext *); extern void fxSetupDDPointers(GLcontext *); extern void fxDDSetNearFar(GLcontext *, GLfloat, GLfloat); extern void fxDDSetupInit(void); extern void fxDDCvaInit(void); extern void fxDDTrifuncInit(void); extern void fxDDFastPathInit(void); extern void fxDDChooseRenderState( GLcontext *ctx ); extern void fxRenderClippedLine( struct vertex_buffer *VB, GLuint v1, GLuint v2 ); extern void fxRenderClippedTriangle( struct vertex_buffer *VB, GLuint n, GLuint vlist[] ); extern tfxSetupFunc fxDDChooseSetupFunction(GLcontext *); extern points_func fxDDChoosePointsFunction(GLcontext *); extern line_func fxDDChooseLineFunction(GLcontext *); extern triangle_func fxDDChooseTriangleFunction(GLcontext *); extern quad_func fxDDChooseQuadFunction(GLcontext *); extern render_func **fxDDChooseRenderVBTables(GLcontext *); extern void fxDDRenderInit(GLcontext *); extern void fxDDClipInit(void); extern void fxUpdateDDSpanPointers(GLcontext *); extern void fxSetupDDSpanPointers(GLcontext *); extern void fxDDBufferSize(GLcontext *, GLuint *, GLuint *); extern void fxPrintTextureData(tfxTexInfo *ti); extern void fxDDTexEnv(GLcontext *, GLenum, const GLfloat *); extern void fxDDTexImg(GLcontext *, GLenum, struct gl_texture_object *, GLint, GLint, const struct gl_texture_image *); extern void fxDDTexParam(GLcontext *, GLenum, struct gl_texture_object *, GLenum, const GLfloat *); extern void fxDDTexBind(GLcontext *, GLenum, struct gl_texture_object *); extern void fxDDTexDel(GLcontext *, struct gl_texture_object *); extern void fxDDTexPalette(GLcontext *, struct gl_texture_object *); extern void fxDDTexuseGlbPalette(GLcontext *, GLboolean); extern void fxDDTexSubImg(GLcontext *, GLenum, struct gl_texture_object *, GLint, GLint, GLint, GLint, GLint, GLint, const struct gl_texture_image *); extern void fxDDTexUseGlbPalette(GLcontext *, GLboolean); extern void fxDDEnable(GLcontext *, GLenum, GLboolean); extern void fxDDAlphaFunc(GLcontext *, GLenum, GLclampf); extern void fxDDBlendFunc(GLcontext *, GLenum, GLenum); extern void fxDDDepthMask(GLcontext *, GLboolean); extern void fxDDDepthFunc(GLcontext *, GLenum); extern void fxDDRegisterVB( struct vertex_buffer *VB ); extern void fxDDUnregisterVB( struct vertex_buffer *VB ); extern void fxDDResizeVB( struct vertex_buffer *VB, GLuint size ); extern void fxDDCheckMergeAndRender( GLcontext *ctx, struct gl_pipeline_stage *d ); extern void fxDDMergeAndRender( struct vertex_buffer *VB ); extern void fxDDCheckPartialRasterSetup( GLcontext *ctx, struct gl_pipeline_stage *d ); extern void fxDDPartialRasterSetup( struct vertex_buffer *VB ); extern void fxDDDoRasterSetup( struct vertex_buffer *VB ); extern GLuint fxDDRegisterPipelineStages( struct gl_pipeline_stage *out, const struct gl_pipeline_stage *in, GLuint nr ); extern GLboolean fxDDBuildPrecalcPipeline( GLcontext *ctx ); extern void fxDDOptimizePrecalcPipeline( GLcontext *ctx, struct gl_pipeline *pipe ); extern void fxDDRenderElementsDirect( struct vertex_buffer *VB ); extern void fxDDRenderVBIndirectDirect( struct vertex_buffer *VB ); extern void fxDDInitExtensions( GLcontext *ctx ); #define fxTMGetTexInfo(o) ((tfxTexInfo*)((o)->DriverData)) extern void fxTMInit(fxMesaContext ctx); extern void fxTMClose(fxMesaContext ctx); extern void fxTMMoveInTM(fxMesaContext, struct gl_texture_object *, GLint); extern void fxTMMoveOutTM(fxMesaContext, struct gl_texture_object *); extern void fxTMFreeTexture(fxMesaContext, struct gl_texture_object *); extern void fxTMReloadMipMapLevel(fxMesaContext, struct gl_texture_object *, GLint); extern void fxTMReloadSubMipMapLevel(fxMesaContext, struct gl_texture_object *, GLint, GLint, GLint); extern void fxTexGetFormat(GLenum, GrTextureFormat_t *, GLint *); extern int fxTexGetInfo(int, int, GrLOD_t *, GrAspectRatio_t *, float *, float *, int *, int *, int *, int *); extern void fxDDScissor( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h ); extern void fxDDFogfv( GLcontext *ctx, GLenum pname, const GLfloat *params ); extern GLboolean fxDDColorMask(GLcontext *ctx, GLboolean r, GLboolean g, GLboolean b, GLboolean a ); extern GLuint fxDDDepthTestSpanGeneric(GLcontext *ctx, GLuint n, GLint x, GLint y, const GLdepth z[], GLubyte mask[]); extern void fxDDDepthTestPixelsGeneric(GLcontext* ctx, GLuint n, const GLint x[], const GLint y[], const GLdepth z[], GLubyte mask[]); extern void fxDDReadDepthSpanFloat(GLcontext *ctx, GLuint n, GLint x, GLint y, GLfloat depth[]); extern void fxDDReadDepthSpanInt(GLcontext *ctx, GLuint n, GLint x, GLint y, GLdepth depth[]); extern void fxDDFastPath( struct vertex_buffer *VB ); extern void fxDDShadeModel(GLcontext *ctx, GLenum mode); extern void fxDDCullFace(GLcontext *ctx, GLenum mode); extern void fxDDFrontFace(GLcontext *ctx, GLenum mode); extern void fxPrintRenderState( const char *msg, GLuint state ); extern void fxPrintHintState( const char *msg, GLuint state ); extern void fxDDDoRenderVB( struct vertex_buffer *VB ); extern int fxDDInitFxMesaContext( fxMesaContext fxMesa ); extern void fxSetScissorValues(GLcontext *ctx); extern void fxTMMoveInTM_NoLock(fxMesaContext fxMesa, struct gl_texture_object *tObj, GLint where); extern void fxSetupTexture_NoLock(GLcontext *ctx); extern void fxSetupTexture(GLcontext *ctx); extern void fxInitPixelTables(GLboolean bgrOrder); #endif