diff options
Diffstat (limited to 'src/mesa/drivers/dri/tdfx/tdfx_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/tdfx/tdfx_context.h | 1027 |
1 files changed, 1027 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_context.h b/src/mesa/drivers/dri/tdfx/tdfx_context.h new file mode 100644 index 0000000000..9b0c912769 --- /dev/null +++ b/src/mesa/drivers/dri/tdfx/tdfx_context.h @@ -0,0 +1,1027 @@ +/* -*- mode: c; c-basic-offset: 3 -*- + * + * Copyright 2000 VA Linux Systems Inc., Fremont, California. + * + * 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS 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. + */ +/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_context.h,v 1.5 2002/02/24 21:51:10 dawes Exp $ */ + +/* + * Original rewrite: + * Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000 + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + * + */ + +#ifndef __TDFX_CONTEXT_H__ +#define __TDFX_CONTEXT_H__ + +#ifdef GLX_DIRECT_RENDERING + +#include <sys/time.h> +#include "dri_util.h" +#ifdef XFree86Server +#include "GL/xf86glx.h" +#else +#include "glheader.h" +#endif +#if defined(__linux__) +#include <signal.h> +#endif + +#include "tdfx_glide.h" + +#include "clip.h" +#include "context.h" +#include "macros.h" +#include "matrix.h" +#include "imports.h" +#include "mtypes.h" + +#include "tdfx_screen.h" + + + + +#define TDFX_TMU0 GR_TMU0 +#define TDFX_TMU1 GR_TMU1 +#define TDFX_TMU_SPLIT 98 +#define TDFX_TMU_BOTH 99 +#define TDFX_TMU_NONE 100 + + + +/* Flags for fxMesa->new_state + */ +#define TDFX_NEW_COLOR 0x0001 +#define TDFX_NEW_ALPHA 0x0002 +#define TDFX_NEW_DEPTH 0x0004 +#define TDFX_NEW_FOG 0x0008 +#define TDFX_NEW_STENCIL 0x0010 +#define TDFX_NEW_CLIP 0x0020 +#define TDFX_NEW_VIEWPORT 0x0040 +#define TDFX_NEW_CULL 0x0080 +#define TDFX_NEW_GLIDE 0x0100 +#define TDFX_NEW_TEXTURE 0x0200 +#define TDFX_NEW_CONTEXT 0x0400 +#define TDFX_NEW_LINE 0x0800 +#define TDFX_NEW_RENDER 0x1000 +#define TDFX_NEW_STIPPLE 0x2000 +#define TDFX_NEW_TEXTURE_BIND 0x4000 /* experimental */ + + +/* Flags for fxMesa->dirty + */ +#define TDFX_UPLOAD_COLOR_COMBINE 0x00000001 +#define TDFX_UPLOAD_ALPHA_COMBINE 0x00000002 +#define TDFX_UPLOAD_RENDER_BUFFER 0x00000004 +#define TDFX_UPLOAD_ALPHA_TEST 0x00000008 +#define TDFX_UPLOAD_ALPHA_REF 0x00000010 +#define TDFX_UPLOAD_BLEND_FUNC 0x00000020 +#define TDFX_UPLOAD_DEPTH_MODE 0x00000040 +#define TDFX_UPLOAD_DEPTH_BIAS 0x00000080 +#define TDFX_UPLOAD_DEPTH_FUNC 0x00000100 +#define TDFX_UPLOAD_DEPTH_MASK 0x00000200 +#define TDFX_UPLOAD_FOG_MODE 0x00000400 +#define TDFX_UPLOAD_FOG_COLOR 0x00000800 +#define TDFX_UPLOAD_FOG_TABLE 0x00001000 + +#define TDFX_UPLOAD_CLIP 0x00002000 +#define TDFX_UPLOAD_CULL 0x00004000 +#define TDFX_UPLOAD_VERTEX_LAYOUT 0x00008000 +#define TDFX_UPLOAD_COLOR_MASK 0x00010000 +#define TDFX_UPLOAD_DITHER 0x00040000 +#define TDFX_UPLOAD_STENCIL 0x00080000 + +#define TDFX_UPLOAD_TEXTURE_SOURCE 0x00100000 +#define TDFX_UPLOAD_TEXTURE_PARAMS 0x00200000 +#define TDFX_UPLOAD_TEXTURE_PALETTE 0x00400000 +#define TDFX_UPLOAD_TEXTURE_ENV 0x00800000 +#define TDFX_UPLOAD_TEXTURE_IMAGES 0x01000000 + +#define TDFX_UPLOAD_LINE 0x02000000 + +#define TDFX_UPLOAD_STIPPLE 0x04000000 + +/* Flags for software fallback cases */ +/* See correponding strings in tdfx_tris.c */ +#define TDFX_FALLBACK_TEXTURE_1D_3D 0x0001 +#define TDFX_FALLBACK_DRAW_BUFFER 0x0002 +#define TDFX_FALLBACK_SPECULAR 0x0004 +#define TDFX_FALLBACK_STENCIL 0x0008 +#define TDFX_FALLBACK_RENDER_MODE 0x0010 +#define TDFX_FALLBACK_LOGICOP 0x0020 +#define TDFX_FALLBACK_TEXTURE_ENV 0x0040 +#define TDFX_FALLBACK_TEXTURE_BORDER 0x0080 +#define TDFX_FALLBACK_COLORMASK 0x0100 +#define TDFX_FALLBACK_BLEND 0x0200 +#define TDFX_FALLBACK_LINE_STIPPLE 0x0400 + +/* Different Glide vertex layouts + */ +#define TDFX_LAYOUT_TINY 0 +#define TDFX_LAYOUT_NOTEX 1 +#define TDFX_LAYOUT_SINGLE 2 +#define TDFX_LAYOUT_MULTI 3 +#define TDFX_LAYOUT_PROJECT 4 +#define TDFX_NUM_LAYOUTS 5 + +#define TDFX_XY_OFFSET 0 +#define TDFX_Z_OFFSET 8 +#define TDFX_Q_OFFSET 12 +#define TDFX_ARGB_OFFSET 16 +#define TDFX_PAD_OFFSET 20 +#define TDFX_FOG_OFFSET 20 /* experimental */ +#define TDFX_ST0_OFFSET 24 +#define TDFX_ST1_OFFSET 32 +#define TDFX_Q0_OFFSET 40 +#define TDFX_Q1_OFFSET 44 + + +/* Flags for buffer clears + */ +#define TDFX_FRONT 0x1 +#define TDFX_BACK 0x2 +#define TDFX_DEPTH 0x4 +#define TDFX_STENCIL 0x8 + +/* + * Subpixel offsets to adjust Mesa's (true) window coordinates to + * Glide coordinates. We need these to ensure precise rasterization. + * Otherwise, we'll fail a bunch of conformance tests. + */ +#define TRI_X_OFFSET ( 0.0F) +#define TRI_Y_OFFSET ( 0.0F) +#define LINE_X_OFFSET ( 0.0F) +#define LINE_Y_OFFSET ( 0.125F) +#define PNT_X_OFFSET ( 0.375F) +#define PNT_Y_OFFSET ( 0.375F) + + +#define TDFX_DEPTH_BIAS_SCALE 128 + +/* Including xf86PciInfo.h causes a bunch of errors + */ +#ifndef PCI_CHIP_BANSHEE +#define PCI_CHIP_BANSHEE 0x0003 +#define PCI_CHIP_VOODOO3 0x0005 +#define PCI_CHIP_VOODOO4 0x0009 +#define PCI_CHIP_VOODOO5 0x0009 +#endif + +#define TDFX_IS_BANSHEE( fxMesa ) \ + ( fxMesa->fxScreen->deviceID == PCI_CHIP_BANSHEE ) +#define TDFX_IS_VOODOO3( fxMesa ) \ + ( fxMesa->fxScreen->deviceID == PCI_CHIP_VOODOO3 ) +#define TDFX_IS_VOODOO4( fxMesa ) \ + ( fxMesa->fxScreen->deviceID == PCI_CHIP_VOODOO4 ) +#define TDFX_IS_VOODOO5( fxMesa ) \ + ( fxMesa->fxScreen->deviceID == PCI_CHIP_VOODOO5 ) +#define TDFX_IS_NAPALM( fxMesa ) \ + ( (fxMesa->fxScreen->deviceID == PCI_CHIP_VOODOO4) || \ + (fxMesa->fxScreen->deviceID == PCI_CHIP_VOODOO5) ) + + +#define PACK_BGRA32(R, G, B, A) \ + ( (((GLuint) (R)) << 16) | \ + (((GLuint) (G)) << 8) | \ + (((GLuint) (B)) ) | \ + (((GLuint) (A)) << 24) ) + +#define PACK_RGBA32(R, G, B, A) \ + ( (((GLuint) (R)) ) | \ + (((GLuint) (G)) << 8) | \ + (((GLuint) (B)) << 16) | \ + (((GLuint) (A)) << 24) ) + +/* + * The first two macros are to pack 8 bit color + * channel values into a 565 format. + */ +#define PACK_RGB16(R, G, B) \ + ((((GLuint) (R) & 0xF8) << 8) | \ + (((GLuint) (G) & 0xFC) << 3) | \ + (((GLuint) (B) & 0xFF) >> 3)) +#define PACK_BGR16(R, G, B) \ + ((((GLuint) (B) & 0xF8) << 8) | \ + (((GLuint) (G) & 0xFC) << 3) | \ + (((GLuint) (R) & 0xFF) >> 3)) +/* + * The second two macros pack 8 bit color channel values + * into 1555 values. + */ +#define PACK_RGBA16(R, G, B, A) \ + (((((GLuint) (A) & 0xFF) > 0) << 15)| \ + (((GLuint) (R) & 0xF8) << 7) | \ + (((GLuint) (G) & 0xF8) << 2) | \ + (((GLuint) (B) & 0xF8) >> 3)) +#define PACK_BGRA16(R, G, B, A) \ + (((((GLuint) (A) & 0xFF) > 0) << 15)| \ + (((GLuint) (B) & 0xF8) << 7) | \ + (((GLuint) (G) & 0xF8) << 2) | \ + (((GLuint) (R) & 0xF8) >> 3)) + +/* Used in calls to grColorMaskv()... + */ +extern const GLboolean false4[4]; +extern const GLboolean true4[4]; + + +typedef struct tdfx_context tdfxContextRec; +typedef struct tdfx_context *tdfxContextPtr; + + +typedef struct { + volatile int fifoPtr; + volatile int fifoRead; + volatile int fifoOwner; + volatile int ctxOwner; + volatile int texOwner; +} +TDFXSAREAPriv; + + +typedef struct { + GLuint swapBuffer; + GLuint reqTexUpload; + GLuint texUpload; + GLuint memTexUpload; + GLuint texSwaps; +} tdfxStats; + + + +/* + * Memory range from startAddr to endAddr-1 + */ +typedef struct mem_range { + struct mem_range *next; + FxU32 startAddr, endAddr; +} +tdfxMemRange; + + +typedef struct { + GLsizei width, height; /* image size */ + GLint wScale, hScale; /* scale factors */ + GrTextureFormat_t glideFormat; /* Glide image format */ +} +tdfxMipMapLevel; + + +#define TDFX_NUM_TMU 2 + + +typedef struct tdfxTexInfo_t +{ + GLboolean isInTM; + GLboolean reloadImages; /* if true, resend images to Glide */ + GLuint lastTimeUsed; + FxU32 whichTMU; + + GrTexInfo info; + GrAspectRatio_t aspectRatio; + tdfxMemRange *tm[TDFX_NUM_TMU]; + + GLint minLevel, maxLevel; + GrTextureFilterMode_t minFilt; + GrTextureFilterMode_t magFilt; + GrTextureClampMode_t sClamp; + GrTextureClampMode_t tClamp; + FxBool LODblend; + GrMipMapMode_t mmMode; + + GLfloat sScale, tScale; /* texcoord scale factor */ + + GuTexPalette palette; +} +tdfxTexInfo; + + +#define TDFX_TEXTURE_DATA(mesaObj) ((tdfxTexInfo *)((mesaObj)->DriverData)) + +#define TDFX_TEXIMAGE_DATA(mesaImg) ((tdfxMipMapLevel *)((mesaImg)->DriverData)) + + + +/* + * This is state which may be shared by several tdfx contexts. + * It hangs off of Mesa's gl_shared_state object (ctx->Shared->DriverData). + */ +struct tdfxSharedState { + GLboolean umaTexMemory; + GLuint totalTexMem[TDFX_NUM_TMU]; /* constant */ + GLuint freeTexMem[TDFX_NUM_TMU]; /* changes as we go */ + tdfxMemRange *tmPool; + tdfxMemRange *tmFree[TDFX_NUM_TMU]; +}; + + + +/* ================================================================ + * The vertex structures. + */ +typedef struct { + GLubyte blue; + GLubyte green; + GLubyte red; + GLubyte alpha; +} tdfx_color_t; + +typedef struct { + GLfloat x, y, z; /* Coordinates in screen space */ + GLfloat rhw; /* Reciprocal homogeneous w */ + tdfx_color_t color; /* Diffuse color */ + GLuint pad; + GLfloat tu0, tv0; /* Texture 0 coordinates */ + GLfloat tu1, tv1; /* Texture 1 coordinates */ +} tdfx_vertex; + +typedef struct { + GLfloat x, y, z; /* Coordinates in screen space */ + GLfloat rhw; /* Reciprocal homogeneous w */ + tdfx_color_t color; /* Diffuse color */ + GLuint pad; + GLfloat tu0, tv0; /* Texture 0 coordinates */ + GLfloat tu1, tv1; /* Texture 1 coordinates */ + GLfloat tq0, tq1; /* Texture 0/1 q coords */ +} tdfx_ptex_vertex; + +typedef struct { + GLfloat x, y, z; /* Coordinates in screen space */ + tdfx_color_t color; /* Diffuse color */ +} tdfx_tiny_vertex; + +/* The size of this union is not of relevence: + */ +union tdfx_vertex_t { + tdfx_vertex v; + tdfx_tiny_vertex tv; + tdfx_ptex_vertex pv; + GLfloat f[16]; + GLuint ui[16]; + GLubyte ub4[16][4]; +}; + +typedef union tdfx_vertex_t tdfxVertex, *tdfxVertexPtr; + + +/* ================================================================ + * + * We want to keep a mirror of the Glide function call parameters so we + * can avoid updating our state too often. + * + * Each of these broad groups will typically have a new state flag + * associated with it, and will be updated together. The individual + * Glide function calls each have a dirty flag and will only be called + * when absolutely necessary. + */ + +/* for grTexSource() */ +struct tdfx_texsource { + FxU32 StartAddress; + FxU32 EvenOdd; + GrTexInfo *Info; +}; + +/* Texture object params */ +struct tdfx_texparams { + GrTextureClampMode_t sClamp; + GrTextureClampMode_t tClamp; + GrTextureFilterMode_t minFilt; + GrTextureFilterMode_t magFilt; + GrMipMapMode_t mmMode; + FxBool LODblend; + GLfloat LodBias; +}; + +/* for grTexDownloadTable() texture palettes */ +struct tdfx_texpalette { + GrTexTable_t Type; + void *Data; +}; + +/* for Voodoo3/Banshee's grColorCombine() and grAlphaCombine() */ +struct tdfx_combine { + GrCombineFunction_t Function; /* Combine function */ + GrCombineFactor_t Factor; /* Combine scale factor */ + GrCombineLocal_t Local; /* Local combine source */ + GrCombineOther_t Other; /* Other combine source */ + FxBool Invert; /* Combine result inversion flag */ +}; + +/* for Voodoo3's grTexCombine() */ +struct tdfx_texcombine { + GrCombineFunction_t FunctionRGB; + GrCombineFactor_t FactorRGB; + GrCombineFunction_t FunctionAlpha; + GrCombineFactor_t FactorAlpha; + FxBool InvertRGB; + FxBool InvertAlpha; +}; + + +/* for Voodoo5's grColorCombineExt() */ +struct tdfx_combine_color_ext { + GrCCUColor_t SourceA; + GrCombineMode_t ModeA; + GrCCUColor_t SourceB; + GrCombineMode_t ModeB; + GrCCUColor_t SourceC; + FxBool InvertC; + GrCCUColor_t SourceD; + FxBool InvertD; + FxU32 Shift; + FxBool Invert; +}; + +/* for Voodoo5's grAlphaCombineExt() */ +struct tdfx_combine_alpha_ext { + GrACUColor_t SourceA; + GrCombineMode_t ModeA; + GrACUColor_t SourceB; + GrCombineMode_t ModeB; + GrACUColor_t SourceC; + FxBool InvertC; + GrACUColor_t SourceD; + FxBool InvertD; + FxU32 Shift; + FxBool Invert; +}; + +/* for Voodoo5's grTexColorCombineExt() */ +struct tdfx_color_texenv { + GrTCCUColor_t SourceA; + GrCombineMode_t ModeA; + GrTCCUColor_t SourceB; + GrCombineMode_t ModeB; + GrTCCUColor_t SourceC; + FxBool InvertC; + GrTCCUColor_t SourceD; + FxBool InvertD; + FxU32 Shift; + FxBool Invert; +}; + +/* for Voodoo5's grTexAlphaCombineExt() */ +struct tdfx_alpha_texenv { + GrTACUColor_t SourceA; + GrCombineMode_t ModeA; + GrTACUColor_t SourceB; + GrCombineMode_t ModeB; + GrTACUColor_t SourceC; + FxBool InvertC; + GrTCCUColor_t SourceD; + FxBool InvertD; + FxU32 Shift; + FxBool Invert; +}; + +/* Voodoo5's texture combine environment */ +struct tdfx_texcombine_ext { + struct tdfx_alpha_texenv Alpha; + struct tdfx_color_texenv Color; + GrColor_t EnvColor; +}; + +/* Used to track changes between Glide's state and Mesa's */ +struct tdfx_texstate { + GLuint Enabled[2]; /* values ala ctx->Texture.Unit[i]._ReallyEnabled */ + GLenum EnvMode[TDFX_NUM_TMU]; /* index is Glide index, not OpenGL */ + GLenum TexFormat[TDFX_NUM_TMU]; /* index is Glide index, not OpenGL */ +}; + +struct tdfx_color { + GrColor_t ClearColor; /* Buffer clear color value */ + GrAlpha_t ClearAlpha; /* Buffer clear alpha value */ + FxBool ColorMask[4]; /* Per-channel write enable flags */ + + GrColor_t MonoColor; /* Constant color value */ + + /* Alpha testing */ + GrCmpFnc_t AlphaFunc; /* Alpha test function */ + GrAlpha_t AlphaRef; /* Alpha ref value in range [0,255] */ + + /* Blending */ + GrAlphaBlendFnc_t BlendSrcRGB; /* Blend source RGB factor */ + GrAlphaBlendFnc_t BlendDstRGB; /* Blend destination RGB factor */ + GrAlphaBlendFnc_t BlendSrcA; /* Blend source alpha factor */ + GrAlphaBlendFnc_t BlendDstA; /* Blend destination alpha factor */ + + GrDitherMode_t Dither; /* Dither enable */ +}; + +struct tdfx_depth { + GrDepthBufferMode_t Mode; /* Fixed-point Z or floating-point W */ + FxI32 Bias; /* Polygon offset factor */ + GrCmpFnc_t Func; /* Depth test function */ + FxU32 Clear; /* Buffer clear value */ + FxBool Mask; /* Write enable flag */ +}; + +struct tdfx_stipple { + GrStippleMode_t Mode; /* Stipple enable/disable */ + FxU32 Pattern; /* 8x4 Stipple Pattern */ +}; + +struct tdfx_fog { + GrFogMode_t Mode; /* Glide fog mode */ + GrColor_t Color; /* Fog color value */ + GLenum TableMode; /* GL fog mode currently in table */ + GrFog_t *Table; /* Fog value table */ + FxFloat Density; /* Density >= 0 */ + FxFloat Near; /* Start distance in eye coords */ + FxFloat Far; /* End distance in eye coords */ +}; + +struct tdfx_stencil { + GrCmpFnc_t Function; /* Stencil function */ + GrStencil_t RefValue; /* Stencil reference value */ + GrStencil_t ValueMask; /* Value mask */ + GrStencil_t WriteMask; /* Write mask */ + GrStencil_t FailFunc; /* Stencil fail function */ + GrStencil_t ZFailFunc; /* Stencil pass, depth fail function */ + GrStencil_t ZPassFunc; /* Stencil pass, depth pass function */ + GrStencil_t Clear; /* Buffer clear value */ +}; + +struct tdfx_scissor { + FxU32 minX, minY; /* Lower left corner */ + FxU32 maxX, maxY; /* Upper right corner */ +}; + +struct tdfx_viewport { + GrCoordinateSpaceMode_t Mode; /* Coordinate space */ + FxI32 X, Y; /* Position */ + FxI32 Width, Height; /* Size */ + FxFloat Near, Far; /* Depth buffer range */ +}; + +struct tdfx_glide { + void *State; /* Mirror of internal Glide state */ + GrContext_t Context; /* Glide context identifier */ + FxI32 Board; /* Current graphics subsystem */ + GrColorFormat_t ColorFormat; /* Framebuffer format */ + GrOriginLocation_t Origin; /* Location of screen space origin */ + + FxBool Initialized; /* Glide initialization done? */ + + FxI32 SwapInterval; /* SwapBuffers interval */ + FxI32 MaxPendingSwaps; /* Maximum outstanding SwapBuffers */ + FxI32 TextureAlign; + + /* Extensions */ + FxBool HaveCombineExt; /* COMBINE */ + FxBool HaveCommandTransportExt; /* COMMAND_TRANSPORT */ + FxBool HaveFogCoordExt; /* FOGCOORD */ + FxBool HavePixelExt; /* PIXEXT */ + FxBool HaveTextureBufferExt; /* TEXTUREBUFFER */ + FxBool HaveTexFmtExt; /* TEXFMT */ + FxBool HaveTexUMAExt; /* TEXUMA */ + FxBool HaveTexus2; /* Texus 2 - FXT1 */ + + /* Glide library function pointers */ + void (*grDrawPoint)( const void *pt ); + void (*grDrawLine)( const void *v1, const void *v2 ); + void (*grDrawTriangle)( const void *a, const void *b, const void *c ); + void (*grVertexLayout)(FxU32 param, FxI32 offset, FxU32 mode); + void (*grDrawVertexArray)(FxU32 mode, FxU32 Count, void *pointers); + void (*grDrawVertexArrayContiguous)(FxU32 mode, FxU32 Count, + void *pointers, FxU32 stride); + void (*grBufferClear)( GrColor_t color, GrAlpha_t alpha, FxU32 depth ); + void (*grBufferSwap)( FxU32 swap_interval ); + void (*grRenderBuffer)( GrBuffer_t buffer ); + void (*grErrorSetCallback)( GrErrorCallbackFnc_t fnc ); + void (*grFinish)(void); + void (*grFlush)(void); + GrContext_t (*grSstWinOpen)(FxU32 hWnd, + GrScreenResolution_t screen_resolution, + GrScreenRefresh_t refresh_rate, + GrColorFormat_t color_format, + GrOriginLocation_t origin_location, + int nColBuffers, + int nAuxBuffers); + void (*grSstWinClose)( GrContext_t context ); +/* Not used */ +#if 0 + void (*grSetNumPendingBuffers)(FxI32 NumPendingBuffers); +#endif + void (*grSelectContext)( GrContext_t context ); + void (*grSstOrigin)(GrOriginLocation_t origin); + void (*grSstSelect)( int which_sst ); + void (*grAlphaBlendFunction)(GrAlphaBlendFnc_t rgb_sf, + GrAlphaBlendFnc_t rgb_df, + GrAlphaBlendFnc_t alpha_sf, + GrAlphaBlendFnc_t alpha_df); + void (*grAlphaCombine)(GrCombineFunction_t function, + GrCombineFactor_t factor, + GrCombineLocal_t local, GrCombineOther_t other, + FxBool invert); + void (*grAlphaControlsITRGBLighting)( FxBool enable ); + void (*grAlphaTestFunction)( GrCmpFnc_t function ); + void (*grAlphaTestReferenceValue)( GrAlpha_t value ); + void (*grChromakeyMode)( GrChromakeyMode_t mode ); + void (*grChromakeyValue)( GrColor_t value ); + void (*grClipWindow)( FxU32 minx, FxU32 miny, FxU32 maxx, FxU32 maxy ); + void (*grColorCombine)( GrCombineFunction_t function, + GrCombineFactor_t factor, + GrCombineLocal_t local, + GrCombineOther_t other, + FxBool invert ); + void (*grColorMask)( FxBool rgb, FxBool a ); + void (*grCullMode)( GrCullMode_t mode ); + void (*grConstantColorValue)( GrColor_t value ); + void (*grDepthBiasLevel)( FxI32 level ); + void (*grDepthBufferFunction)( GrCmpFnc_t function ); + void (*grDepthBufferMode)( GrDepthBufferMode_t mode ); + void (*grDepthMask)( FxBool mask ); + void (*grDisableAllEffects)( void ); + void (*grDitherMode)( GrDitherMode_t mode ); + void (*grFogColorValue)( GrColor_t fogcolor ); + void (*grFogMode)( GrFogMode_t mode ); + void (*grFogTable)( const GrFog_t ft[] ); + void (*grLoadGammaTable)( FxU32 nentries, FxU32 *red, FxU32 *green, FxU32 *blue); + void (*grSplash)(float x, float y, float width, float height, FxU32 frame); + FxU32 (*grGet)( FxU32 pname, FxU32 plength, FxI32 *params ); + const char * (*grGetString)( FxU32 pname ); + FxI32 (*grQueryResolutions)( const GrResolution *resTemplate, + GrResolution *output ); + FxBool (*grReset)( FxU32 what ); + GrProc (*grGetProcAddress)( char *procName ); + void (*grEnable)( GrEnableMode_t mode ); + void (*grDisable)( GrEnableMode_t mode ); + void (*grCoordinateSpace)( GrCoordinateSpaceMode_t mode ); + void (*grDepthRange)( FxFloat n, FxFloat f ); + void (*grStippleMode)( GrStippleMode_t mode ); + void (*grStipplePattern)( GrStipplePattern_t mode ); + void (*grViewport)( FxI32 x, FxI32 y, FxI32 width, FxI32 height ); + FxU32 (*grTexCalcMemRequired)(GrLOD_t lodmin, GrLOD_t lodmax, + GrAspectRatio_t aspect, GrTextureFormat_t fmt); + FxU32 (*grTexTextureMemRequired)( FxU32 evenOdd, GrTexInfo *info ); + FxU32 (*grTexMinAddress)( GrChipID_t tmu ); + FxU32 (*grTexMaxAddress)( GrChipID_t tmu ); + void (*grTexNCCTable)( GrNCCTable_t table ); + void (*grTexSource)( GrChipID_t tmu, FxU32 startAddress, + FxU32 evenOdd, GrTexInfo *info ); + void (*grTexClampMode)( GrChipID_t tmu, + GrTextureClampMode_t s_clampmode, + GrTextureClampMode_t t_clampmode ); + void (*grTexCombine)( GrChipID_t tmu, + GrCombineFunction_t rgb_function, + GrCombineFactor_t rgb_factor, + GrCombineFunction_t alpha_function, + GrCombineFactor_t alpha_factor, + FxBool rgb_invert, + FxBool alpha_invert); + void (*grTexDetailControl)( GrChipID_t tmu, int lod_bias, + FxU8 detail_scale, float detail_max ); + void (*grTexFilterMode)( GrChipID_t tmu, + GrTextureFilterMode_t minfilter_mode, + GrTextureFilterMode_t magfilter_mode ); + void (*grTexLodBiasValue)(GrChipID_t tmu, float bias ); + void (*grTexDownloadMipMap)( GrChipID_t tmu, FxU32 startAddress, + FxU32 evenOdd, GrTexInfo *info ); + void (*grTexDownloadMipMapLevel)( GrChipID_t tmu, + FxU32 startAddress, + GrLOD_t thisLod, + GrLOD_t largeLod, + GrAspectRatio_t aspectRatio, + GrTextureFormat_t format, + FxU32 evenOdd, + void *data ); + FxBool (*grTexDownloadMipMapLevelPartial)( GrChipID_t tmu, + FxU32 startAddress, + GrLOD_t thisLod, + GrLOD_t largeLod, + GrAspectRatio_t aspectRatio, + GrTextureFormat_t format, + FxU32 evenOdd, + void *data, + int start, + int end ); + void (*grTexDownloadTable)( GrTexTable_t type, void *data ); + void (*grTexDownloadTablePartial)( GrTexTable_t type, + void *data, int start, int end ); + void (*grTexMipMapMode)( GrChipID_t tmu, GrMipMapMode_t mode, + FxBool lodBlend ); + void (*grTexMultibase)( GrChipID_t tmu, FxBool enable ); + void (*grTexMultibaseAddress)( GrChipID_t tmu, + GrTexBaseRange_t range, + FxU32 startAddress, + FxU32 evenOdd, + GrTexInfo *info ); + FxBool (*grLfbLock)( GrLock_t type, GrBuffer_t buffer, + GrLfbWriteMode_t writeMode, + GrOriginLocation_t origin, FxBool pixelPipeline, + GrLfbInfo_t *info ); + FxBool (*grLfbUnlock)( GrLock_t type, GrBuffer_t buffer ); + void (*grLfbConstantAlpha)( GrAlpha_t alpha ); + void (*grLfbConstantDepth)( FxU32 depth ); + void (*grLfbWriteColorSwizzle)(FxBool swizzleBytes, FxBool swapWords); + void (*grLfbWriteColorFormat)(GrColorFormat_t colorFormat); + FxBool (*grLfbWriteRegion)( GrBuffer_t dst_buffer, + FxU32 dst_x, FxU32 dst_y, + GrLfbSrcFmt_t src_format, + FxU32 src_width, FxU32 src_height, + FxBool pixelPipeline, + FxI32 src_stride, void *src_data ); + FxBool (*grLfbReadRegion)( GrBuffer_t src_buffer, + FxU32 src_x, FxU32 src_y, + FxU32 src_width, FxU32 src_height, + FxU32 dst_stride, void *dst_data ); + void (*grGlideInit)( void ); + void (*grGlideShutdown)( void ); + void (*grGlideGetState)( void *state ); + void (*grGlideSetState)( const void *state ); + void (*grGlideGetVertexLayout)( void *layout ); + void (*grGlideSetVertexLayout)( const void *layout ); + /* Glide utility functions */ + void (*guFogGenerateExp)( GrFog_t *fogtable, float density ); + void (*guFogGenerateExp2)( GrFog_t *fogtable, float density ); + void (*guFogGenerateLinear)(GrFog_t *fogtable, float nearZ, float farZ ); + /* DRI functions */ + void (*grDRIOpen)( char *pFB, char *pRegs, int deviceID, + int width, int height, + int mem, int cpp, int stride, + int fifoOffset, int fifoSize, + int fbOffset, int backOffset, int depthOffset, + int textureOffset, int textureSize, + volatile int *fifoPtr, volatile int *fifoRead ); + void (*grDRIPosition)( int x, int y, int w, int h, + int numClip, XF86DRIClipRectPtr pClip ); + void (*grDRILostContext)( void ); + void (*grDRIImportFifo)( int fifoPtr, int fifoRead ); + void (*grDRIInvalidateAll)( void ); + void (*grDRIResetSAREA)( void ); + void (*grDRIBufferSwap)( FxU32 swapInterval ); + /* Glide extensions */ + /* PIXEXT extension */ + void (*grStencilFunc)( GrCmpFnc_t func, GrStencil_t ref, GrStencil_t mask ); + void (*grStencilMask)( GrStencil_t mask ); + void (*grStencilOp)( GrStencilOp_t fail, GrStencilOp_t zfail, + GrStencilOp_t zpass ); + void (*grBufferClearExt)( GrColor_t color, GrAlpha_t alpha, + FxU32 depth, GrStencil_t stencil ); + void (*grColorMaskExt)( FxBool r, FxBool g, FxBool b, FxBool a ); + /* COMBINE extension */ + void (*grColorCombineExt)( GrCCUColor_t a, GrCombineMode_t a_mode, + GrCCUColor_t b, GrCombineMode_t b_mode, + GrCCUColor_t c, FxBool c_invert, + GrCCUColor_t d, FxBool d_invert, + FxU32 shift, FxBool invert ); + void (*grTexColorCombineExt)( FxU32 tmu, + GrTCCUColor_t a, GrCombineMode_t a_mode, + GrTCCUColor_t b, GrCombineMode_t b_mode, + GrTCCUColor_t c, FxBool c_invert, + GrTCCUColor_t d, FxBool d_invert, + FxU32 shift, FxBool invert ); + void (*grAlphaCombineExt)( GrACUColor_t a, GrCombineMode_t a_mode, + GrACUColor_t b, GrCombineMode_t b_mode, + GrACUColor_t c, FxBool c_invert, + GrACUColor_t d, FxBool d_invert, + FxU32 shift, FxBool invert ); + void (*grTexAlphaCombineExt)( FxU32 tmu, + GrTACUColor_t a, GrCombineMode_t a_mode, + GrTACUColor_t b, GrCombineMode_t b_mode, + GrTACUColor_t c, FxBool c_invert, + GrTACUColor_t d, FxBool d_invert, + FxU32 shift, FxBool invert ); + void (*grAlphaBlendFunctionExt)( GrAlphaBlendFnc_t rgb_sf, + GrAlphaBlendFnc_t rgb_df, + GrAlphaBlendOp_t rgb_op, + GrAlphaBlendFnc_t alpha_sf, + GrAlphaBlendFnc_t alpha_df, + GrAlphaBlendOp_t alpha_op ); + void (*grConstantColorValueExt)( FxU32 tmu, GrColor_t value ); + /* Texus 2 */ + void (*txImgQuantize)( void *xxx_unknown_arguments ); + void (*txImgDequantizeFXT1)( void *txMip, void *pxMip ); + void (*txErrorSetCallback)( void *fnc ); +}; + +typedef void (*tdfx_tri_func)( tdfxContextPtr, tdfxVertex *, tdfxVertex *, + tdfxVertex * ); +typedef void (*tdfx_line_func)( tdfxContextPtr, tdfxVertex *, tdfxVertex * ); +typedef void (*tdfx_point_func)( tdfxContextPtr, tdfxVertex * ); + +struct tdfx_context { + /* Set once and never changed: + */ + GLcontext *glCtx; /* The core Mesa context */ + + GLuint new_gl_state; + GLuint new_state; + GLuint dirty; + + /* Mirror of hardware state, Glide parameters + */ + struct tdfx_texsource TexSource[TDFX_NUM_TMU]; + struct tdfx_texparams TexParams[TDFX_NUM_TMU]; + struct tdfx_texpalette TexPalette; + + /* Voodoo3 texture/color combine state */ + struct tdfx_combine ColorCombine; + struct tdfx_combine AlphaCombine; + struct tdfx_texcombine TexCombine[TDFX_NUM_TMU]; + + /* Voodoo5 texture/color combine state */ + struct tdfx_combine_color_ext ColorCombineExt; + struct tdfx_combine_alpha_ext AlphaCombineExt; + struct tdfx_texcombine_ext TexCombineExt[TDFX_NUM_TMU]; + + /* Tracks tex state difference between Glide and Mesa */ + struct tdfx_texstate TexState; + + GrBuffer_t DrawBuffer; /* Current draw buffer */ + GrBuffer_t ReadBuffer; /* Current read buffer */ + + struct tdfx_color Color; + struct tdfx_depth Depth; + struct tdfx_fog Fog; + struct tdfx_stencil Stencil; + struct tdfx_scissor Scissor; + struct tdfx_viewport Viewport; + struct tdfx_stipple Stipple; + + GrCullMode_t CullMode; + + struct tdfx_glide Glide; + + + /* Temporaries for translating away float colors: + */ + struct gl_client_array UbyteColor; + + /* Fallback rasterization functions + */ + tdfx_point_func draw_point; + tdfx_line_func draw_line; + tdfx_tri_func draw_triangle; + + + /* Variable-size Glide vertex formats + */ + GLuint vertexFormat; /* the current format */ + GLuint vertex_stride_shift; + void *layout[TDFX_NUM_LAYOUTS]; + GLubyte *verts; /* tdfxVertices, arbitarily packed */ + + GLfloat hw_viewport[16]; + + GLuint SetupIndex; + GLuint SetupNewInputs; + GLuint RenderIndex; + GLuint Fallback; + GLenum render_primitive; /* what GL thinks */ + GLenum raster_primitive; /* what the hardware thinks */ + + GLfloat sScale0, tScale0; + GLfloat sScale1, tScale1; + + GLuint texBindNumber; + GLint tmuSrc; + + int screen_width; + int screen_height; + + GLboolean haveTwoTMUs; /* True if we have 2 tmu's */ + GLboolean haveHwStencil; + GLboolean haveHwStipple; + + GLint maxPendingSwapBuffers; + + char rendererString[100]; + + /* stuff added for DRI */ + __DRIscreenPrivate *driScreen; + __DRIcontextPrivate *driContext; + __DRIdrawablePrivate *driDrawable; + drmContext hHWContext; + drmLock *driHwLock; + int driFd; + tdfxScreenPrivate *fxScreen; + TDFXSAREAPriv *sarea; + + + /* + * Changes during execution: + */ + int width, height; /* size of window */ + int x_offset; /* distance from window left to screen left */ + int y_offset; /* distance from window top to screen top */ + int y_delta; /* distance from window bottom to screen bottom */ + + int numClipRects; + XF86DRIClipRectPtr pClipRects; + GLboolean scissoredClipRects; /* if true, pClipRects is private storage */ + + GuTexPalette glbPalette; /* global texture palette */ + + tdfxStats stats; + + GLboolean debugFallbacks; +}; + +#define TDFX_CONTEXT(ctx) ((tdfxContextPtr)((ctx)->DriverCtx)) + + +extern GLboolean +tdfxCreateContext( const __GLcontextModes *mesaVis, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate ); + +extern void +tdfxDestroyContext( __DRIcontextPrivate *driContextPriv ); + +extern GLboolean +tdfxUnbindContext( __DRIcontextPrivate *driContextPriv ); + +extern GLboolean +tdfxMakeCurrent( __DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv ); + +extern GLboolean +tdfxInitGlide( tdfxContextPtr tmesa ); + +extern void +FX_grColorMaskv(GLcontext *ctx, const GLboolean rgba[4]); + +extern void +FX_grColorMaskv_NoLock(GLcontext *ctx, const GLboolean rgba[4]); + + +/* Color packing utilities + */ +#define TDFXPACKCOLOR332( r, g, b ) \ + (((b) & 0xe0) | (((g) & 0xe0) >> 3) | (((r) & 0xc0) >> 6)) + +#define TDFXPACKCOLOR1555( r, g, b, a ) \ + ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \ + ((a) ? 0x8000 : 0)) + +#define TDFXPACKCOLOR565( r, g, b ) \ + ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3)) + +#define TDFXPACKCOLOR888( r, g, b ) \ + (((b) << 16) | ((g) << 8) | (r)) + +#define TDFXPACKCOLOR8888( r, g, b, a ) \ + (((a) << 24) | ((r) << 16) | ((g) << 8) | (b)) + +#define TDFXPACKCOLOR4444( r, g, b, a ) \ + ((((a) & 0xf0) << 8) | (((b) & 0xf0) << 4) | ((g) & 0xf0) | ((r) >> 4)) + +static __inline__ GrColor_t tdfxPackColor( GLuint cpp, + GLubyte r, GLubyte g, + GLubyte b, GLubyte a ) +{ + switch ( cpp ) { + case 2: + return TDFXPACKCOLOR565( r, g, b ); + case 4: + return TDFXPACKCOLOR8888( r, g, b, a ); + default: + return 0; + } +} + +#define DO_DEBUG 0 +#if DO_DEBUG +extern int TDFX_DEBUG; +#else +#define TDFX_DEBUG 0 +#endif + +#define DEBUG_ALWAYS_SYNC 0x01 +#define DEBUG_VERBOSE_API 0x02 +#define DEBUG_VERBOSE_MSG 0x04 +#define DEBUG_VERBOSE_LRU 0x08 +#define DEBUG_VERBOSE_DRI 0x10 +#define DEBUG_VERBOSE_IOCTL 0x20 +#define DEBUG_VERBOSE_2D 0x40 + +#endif /* GLX_DIRECT_RENDERING */ + +#endif /* __TDFX_CONTEXT_H__ */ |