From e05ab2795b7463a053562b233d75e62f4138e0d3 Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Thu, 4 Dec 2003 13:27:05 +0000 Subject: add tdfx DRI driver --- src/mesa/drivers/dri/tdfx/tdfx_vb.c | 365 ++++++++++++++++++++++++++++++++++++ 1 file changed, 365 insertions(+) create mode 100644 src/mesa/drivers/dri/tdfx/tdfx_vb.c (limited to 'src/mesa/drivers/dri/tdfx/tdfx_vb.c') diff --git a/src/mesa/drivers/dri/tdfx/tdfx_vb.c b/src/mesa/drivers/dri/tdfx/tdfx_vb.c new file mode 100644 index 0000000000..de5b9360e0 --- /dev/null +++ b/src/mesa/drivers/dri/tdfx/tdfx_vb.c @@ -0,0 +1,365 @@ +/* + * GLX Hardware Device Driver for Intel i810 + * Copyright (C) 1999 Keith Whitwell + * + * 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 + * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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_vb.c,v 1.3 2002/10/30 12:52:01 alanh Exp $ */ + +#include "glheader.h" +#include "mtypes.h" +#include "imports.h" +#include "macros.h" +#include "colormac.h" + +#include "math/m_translate.h" +#include "swrast_setup/swrast_setup.h" + +#include "tdfx_context.h" +#include "tdfx_vb.h" +#include "tdfx_tris.h" +#include "tdfx_state.h" +#include "tdfx_render.h" + +static void copy_pv_rgba4( GLcontext *ctx, GLuint edst, GLuint esrc ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); + GLubyte *tdfxverts = (GLubyte *)fxMesa->verts; + GLuint shift = fxMesa->vertex_stride_shift; + tdfxVertex *dst = (tdfxVertex *)(tdfxverts + (edst << shift)); + tdfxVertex *src = (tdfxVertex *)(tdfxverts + (esrc << shift)); + dst->ui[4] = src->ui[4]; +} + +static void copy_pv_rgba3( GLcontext *ctx, GLuint edst, GLuint esrc ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); + GLubyte *tdfxverts = (GLubyte *)fxMesa->verts; + GLuint shift = fxMesa->vertex_stride_shift; + tdfxVertex *dst = (tdfxVertex *)(tdfxverts + (edst << shift)); + tdfxVertex *src = (tdfxVertex *)(tdfxverts + (esrc << shift)); + dst->ui[3] = src->ui[3]; +} + +typedef void (*emit_func)( GLcontext *, GLuint, GLuint, void *, GLuint ); + +static struct { + emit_func emit; + interp_func interp; + copy_pv_func copy_pv; + GLboolean (*check_tex_sizes)( GLcontext *ctx ); + GLuint vertex_size; + GLuint vertex_stride_shift; + GLuint vertex_format; +} setup_tab[TDFX_MAX_SETUP]; + + +static void import_float_colors( GLcontext *ctx ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct gl_client_array *from = VB->ColorPtr[0]; + struct gl_client_array *to = &TDFX_CONTEXT(ctx)->UbyteColor; + GLuint count = VB->Count; + + if (!to->Ptr) { + to->Ptr = ALIGN_MALLOC( VB->Size * 4 * sizeof(GLubyte), 32 ); + to->Type = GL_UNSIGNED_BYTE; + } + + /* No need to transform the same value 3000 times. + */ + if (!from->StrideB) { + to->StrideB = 0; + count = 1; + } + else + to->StrideB = 4 * sizeof(GLubyte); + + _math_trans_4ub( (GLubyte (*)[4]) to->Ptr, + from->Ptr, + from->StrideB, + from->Type, + from->Size, + 0, + count); + + VB->ColorPtr[0] = to; +} + + +#define GET_COLOR(ptr, idx) (((GLchan (*)[4])((ptr)->Ptr))[idx]) + + +static void interp_extras( GLcontext *ctx, + GLfloat t, + GLuint dst, GLuint out, GLuint in, + GLboolean force_boundary ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + + /*fprintf(stderr, "%s\n", __FUNCTION__);*/ + + if (VB->ColorPtr[1]) { + INTERP_4CHAN( t, + GET_COLOR(VB->ColorPtr[1], dst), + GET_COLOR(VB->ColorPtr[1], out), + GET_COLOR(VB->ColorPtr[1], in) ); + } + + if (VB->EdgeFlag) { + VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary; + } + + setup_tab[TDFX_CONTEXT(ctx)->SetupIndex].interp(ctx, t, dst, out, in, + force_boundary); +} + +static void copy_pv_extras( GLcontext *ctx, GLuint dst, GLuint src ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + + if (VB->ColorPtr[1]) { + COPY_CHAN4( GET_COLOR(VB->ColorPtr[1], dst), + GET_COLOR(VB->ColorPtr[1], src) ); + } + + setup_tab[TDFX_CONTEXT(ctx)->SetupIndex].copy_pv(ctx, dst, src); +} + + + +#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT) +#define TAG(x) x##_wg +#include "tdfx_vbtmp.h" + +/* Special for tdfx: fog requires w + */ +#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT) +#define TAG(x) x##_wg_fog +#include "tdfx_vbtmp.h" + +#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT) +#define TAG(x) x##_wgt0 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT) +#define TAG(x) x##_wgt0t1 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_PTEX_BIT) +#define TAG(x) x##_wgpt0 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_XYZ_BIT|TDFX_RGBA_BIT|TDFX_W_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT|\ + TDFX_PTEX_BIT) +#define TAG(x) x##_wgpt0t1 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_RGBA_BIT) +#define TAG(x) x##_g +#include "tdfx_vbtmp.h" + +#define IND (TDFX_TEX0_BIT) +#define TAG(x) x##_t0 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_TEX0_BIT|TDFX_TEX1_BIT) +#define TAG(x) x##_t0t1 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_RGBA_BIT|TDFX_TEX0_BIT) +#define TAG(x) x##_gt0 +#include "tdfx_vbtmp.h" + +#define IND (TDFX_RGBA_BIT|TDFX_TEX0_BIT|TDFX_TEX1_BIT) +#define TAG(x) x##_gt0t1 +#include "tdfx_vbtmp.h" + + + +static void init_setup_tab( void ) +{ + init_wg(); + init_wg_fog(); + init_wgt0(); + init_wgt0t1(); + init_wgpt0(); + init_wgpt0t1(); + + init_g(); + init_t0(); + init_t0t1(); + init_gt0(); + init_gt0t1(); +} + + +void tdfxPrintSetupFlags(char *msg, GLuint flags ) +{ + fprintf(stderr, "%s(%x): %s%s%s%s%s\n", + msg, + (int)flags, + (flags & TDFX_XYZ_BIT) ? " xyz," : "", + (flags & TDFX_W_BIT) ? " w," : "", + (flags & TDFX_RGBA_BIT) ? " rgba," : "", + (flags & TDFX_TEX0_BIT) ? " tex-0," : "", + (flags & TDFX_TEX1_BIT) ? " tex-1," : ""); +} + + + +void tdfxCheckTexSizes( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); + + if (!setup_tab[fxMesa->SetupIndex].check_tex_sizes(ctx)) { + GLuint ind = fxMesa->SetupIndex |= (TDFX_PTEX_BIT|TDFX_RGBA_BIT); + + /* Tdfx handles projective textures nicely; just have to change + * up to the new vertex format. + */ + if (setup_tab[ind].vertex_format != fxMesa->vertexFormat) { + FLUSH_BATCH(fxMesa); + fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT; + fxMesa->vertexFormat = setup_tab[ind].vertex_format; + fxMesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; + + /* This is required as we have just changed the vertex + * format, so the interp and copy routines must also change. + * In the unfilled and twosided cases we are using the + * swrast_setup ones anyway, so leave them in place. + */ + if (!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { + tnl->Driver.Render.Interp = setup_tab[fxMesa->SetupIndex].interp; + tnl->Driver.Render.CopyPV = setup_tab[fxMesa->SetupIndex].copy_pv; + } + } + } +} + + +void tdfxBuildVertices( GLcontext *ctx, GLuint start, GLuint count, + GLuint newinputs ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); + GLubyte *v = (fxMesa->verts + (start<vertex_stride_shift)); + GLuint stride = 1<vertex_stride_shift; + + newinputs |= fxMesa->SetupNewInputs; + fxMesa->SetupNewInputs = 0; + + if (!newinputs) + return; + + if (newinputs & VERT_BIT_CLIP) { + setup_tab[fxMesa->SetupIndex].emit( ctx, start, count, v, stride ); + } else { + GLuint ind = 0; + + if (newinputs & VERT_BIT_COLOR0) + ind |= TDFX_RGBA_BIT; + + if (newinputs & VERT_BIT_TEX0) + ind |= TDFX_TEX0_BIT; + + if (newinputs & VERT_BIT_TEX1) + ind |= TDFX_TEX0_BIT|TDFX_TEX1_BIT; + + if (fxMesa->SetupIndex & TDFX_PTEX_BIT) + ind = ~0; + + ind &= fxMesa->SetupIndex; + + if (ind) { + setup_tab[ind].emit( ctx, start, count, v, stride ); + } + } +} + + +void tdfxChooseVertexState( GLcontext *ctx ) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); + GLuint ind = TDFX_XYZ_BIT|TDFX_RGBA_BIT; + + if (ctx->Texture._EnabledUnits & 0x2) + /* unit 1 enabled */ + ind |= TDFX_W_BIT|TDFX_TEX1_BIT|TDFX_TEX0_BIT; + else if (ctx->Texture._EnabledUnits & 0x1) + /* unit 0 enabled */ + ind |= TDFX_W_BIT|TDFX_TEX0_BIT; + else if (ctx->Fog.Enabled) + ind |= TDFX_W_BIT; + + fxMesa->SetupIndex = ind; + + if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { + tnl->Driver.Render.Interp = interp_extras; + tnl->Driver.Render.CopyPV = copy_pv_extras; + } else { + tnl->Driver.Render.Interp = setup_tab[ind].interp; + tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv; + } + + if (setup_tab[ind].vertex_format != fxMesa->vertexFormat) { + FLUSH_BATCH(fxMesa); + fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT; + fxMesa->vertexFormat = setup_tab[ind].vertex_format; + fxMesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; + } +} + + + +void tdfxInitVB( GLcontext *ctx ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); + GLuint size = TNL_CONTEXT(ctx)->vb.Size; + static int firsttime = 1; + if (firsttime) { + init_setup_tab(); + firsttime = 0; + } + + fxMesa->verts = (GLubyte *)ALIGN_MALLOC(size * sizeof(tdfxVertex), 32); + fxMesa->vertexFormat = setup_tab[TDFX_XYZ_BIT|TDFX_RGBA_BIT].vertex_format; + fxMesa->vertex_stride_shift = setup_tab[(TDFX_XYZ_BIT| + TDFX_RGBA_BIT)].vertex_stride_shift; + fxMesa->SetupIndex = TDFX_XYZ_BIT|TDFX_RGBA_BIT; +} + + +void tdfxFreeVB( GLcontext *ctx ) +{ + tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); + if (fxMesa->verts) { + ALIGN_FREE(fxMesa->verts); + fxMesa->verts = 0; + } + + if (fxMesa->UbyteColor.Ptr) { + ALIGN_FREE(fxMesa->UbyteColor.Ptr); + fxMesa->UbyteColor.Ptr = 0; + } + +} -- cgit v1.2.3