/* * Copyright 2000-2001 VA Linux Systems, 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 * on 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 * VA LINUX SYSTEMS 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. * * Authors: * Keith Whitwell */ /* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgavb.c,v 1.14 2002/10/30 12:51:36 alanh Exp $ */ #include "mgacontext.h" #include "mgavb.h" #include "mgatris.h" #include "mgaioctl.h" #include "mga_xmesa.h" #include "glheader.h" #include "mtypes.h" #include "imports.h" #include "macros.h" #include "colormac.h" #include "tnl/t_context.h" #include "swrast_setup/swrast_setup.h" #include "swrast/swrast.h" #define MGA_TEX1_BIT 0x1 #define MGA_TEX0_BIT 0x2 #define MGA_RGBA_BIT 0x4 #define MGA_SPEC_BIT 0x8 #define MGA_FOG_BIT 0x10 #define MGA_XYZW_BIT 0x20 #define MGA_PTEX_BIT 0x40 #define MGA_MAX_SETUP 0x80 static struct { void (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint ); 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[MGA_MAX_SETUP]; #define TINY_VERTEX_FORMAT 0 #define NOTEX_VERTEX_FORMAT 0 #define TEX0_VERTEX_FORMAT (MGA_A|MGA_S|MGA_F) #define TEX1_VERTEX_FORMAT (MGA_A|MGA_S|MGA_F|MGA_T2) #define PROJ_TEX1_VERTEX_FORMAT 0 #define TEX2_VERTEX_FORMAT 0 #define TEX3_VERTEX_FORMAT 0 #define PROJ_TEX3_VERTEX_FORMAT 0 #define DO_XYZW (IND & MGA_XYZW_BIT) #define DO_RGBA (IND & MGA_RGBA_BIT) #define DO_SPEC (IND & MGA_SPEC_BIT) #define DO_FOG (IND & MGA_FOG_BIT) #define DO_TEX0 (IND & MGA_TEX0_BIT) #define DO_TEX1 (IND & MGA_TEX1_BIT) #define DO_TEX2 0 #define DO_TEX3 0 #define DO_PTEX (IND & MGA_PTEX_BIT) #define VERTEX mgaVertex #define VERTEX_COLOR mga_color_t #define LOCALVARS mgaContextPtr mmesa = MGA_CONTEXT(ctx); #define GET_VIEWPORT_MAT() mmesa->hw_viewport #define GET_TEXSOURCE(n) mmesa->tmu_source[n] #define GET_VERTEX_FORMAT() mmesa->vertex_format #define GET_VERTEX_STORE() mmesa->verts #define GET_VERTEX_STRIDE_SHIFT() mmesa->vertex_stride_shift #define GET_UBYTE_COLOR_STORE() &mmesa->UbyteColor #define GET_UBYTE_SPEC_COLOR_STORE() &mmesa->UbyteSecondaryColor #define HAVE_HW_VIEWPORT 0 #define HAVE_HW_DIVIDE 0 #define HAVE_RGBA_COLOR 0 #define HAVE_TINY_VERTICES 0 #define HAVE_NOTEX_VERTICES 0 #define HAVE_TEX0_VERTICES 1 #define HAVE_TEX1_VERTICES 1 #define HAVE_TEX2_VERTICES 0 #define HAVE_TEX3_VERTICES 0 #define HAVE_PTEX_VERTICES 0 #define UNVIEWPORT_VARS \ const GLfloat dx = - mmesa->drawX - SUBPIXEL_X; \ const GLfloat dy = (mmesa->driDrawable->h + \ mmesa->drawY + SUBPIXEL_Y); \ const GLfloat sz = 1.0 / mmesa->depth_scale #define UNVIEWPORT_X(x) x + dx; #define UNVIEWPORT_Y(y) - y + dy; #define UNVIEWPORT_Z(z) z * sz; #define PTEX_FALLBACK() FALLBACK(ctx, MGA_FALLBACK_TEXTURE, 1) #define IMPORT_FLOAT_COLORS mga_import_float_colors #define IMPORT_FLOAT_SPEC_COLORS mga_import_float_spec_colors #define INTERP_VERTEX setup_tab[MGA_CONTEXT(ctx)->SetupIndex].interp #define COPY_PV_VERTEX setup_tab[MGA_CONTEXT(ctx)->SetupIndex].copy_pv /*********************************************************************** * Generate pv-copying and translation functions * ***********************************************************************/ #define TAG(x) mga_##x #include "tnl_dd/t_dd_vb.c" /*********************************************************************** * Generate vertex emit and interp functions * ***********************************************************************/ #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT) #define TAG(x) x##_wg #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT) #define TAG(x) x##_wgs #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_TEX0_BIT) #define TAG(x) x##_wgt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_wgt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT) #define TAG(x) x##_wgpt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT) #define TAG(x) x##_wgst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_wgst0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT) #define TAG(x) x##_wgspt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT) #define TAG(x) x##_wgf #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT) #define TAG(x) x##_wgfs #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT) #define TAG(x) x##_wgft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_wgft0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT) #define TAG(x) x##_wgfpt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT) #define TAG(x) x##_wgfst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_wgfst0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_XYZW_BIT|MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_PTEX_BIT) #define TAG(x) x##_wgfspt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_TEX0_BIT) #define TAG(x) x##_t0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_t0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_FOG_BIT) #define TAG(x) x##_f #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_FOG_BIT|MGA_TEX0_BIT) #define TAG(x) x##_ft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_FOG_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_ft0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT) #define TAG(x) x##_g #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_SPEC_BIT) #define TAG(x) x##_gs #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_TEX0_BIT) #define TAG(x) x##_gt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_gt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT) #define TAG(x) x##_gst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_gst0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_FOG_BIT) #define TAG(x) x##_gf #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT) #define TAG(x) x##_gfs #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT) #define TAG(x) x##_gft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_gft0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT) #define TAG(x) x##_gfst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (MGA_RGBA_BIT|MGA_FOG_BIT|MGA_SPEC_BIT|MGA_TEX0_BIT|MGA_TEX1_BIT) #define TAG(x) x##_gfst0t1 #include "tnl_dd/t_dd_vbtmp.h" static void init_setup_tab( void ) { init_wg(); init_wgs(); init_wgt0(); init_wgt0t1(); init_wgpt0(); init_wgst0(); init_wgst0t1(); init_wgspt0(); init_wgf(); init_wgfs(); init_wgft0(); init_wgft0t1(); init_wgfpt0(); init_wgfst0(); init_wgfst0t1(); init_wgfspt0(); init_t0(); init_t0t1(); init_f(); init_ft0(); init_ft0t1(); init_g(); init_gs(); init_gt0(); init_gt0t1(); init_gst0(); init_gst0t1(); init_gf(); init_gfs(); init_gft0(); init_gft0t1(); init_gfst0(); init_gfst0t1(); } void mgaPrintSetupFlags(char *msg, GLuint flags ) { fprintf(stderr, "%s: %d %s%s%s%s%s%s\n", msg, (int)flags, (flags & MGA_XYZW_BIT) ? " xyzw," : "", (flags & MGA_RGBA_BIT) ? " rgba," : "", (flags & MGA_SPEC_BIT) ? " spec," : "", (flags & MGA_FOG_BIT) ? " fog," : "", (flags & MGA_TEX0_BIT) ? " tex-0," : "", (flags & MGA_TEX1_BIT) ? " tex-1," : ""); } void mgaCheckTexSizes( GLcontext *ctx ) { mgaContextPtr mmesa = MGA_CONTEXT( ctx ); TNLcontext *tnl = TNL_CONTEXT(ctx); /*fprintf(stderr, "%s\n", __FUNCTION__);*/ if (!setup_tab[mmesa->SetupIndex].check_tex_sizes(ctx)) { mmesa->SetupIndex |= MGA_PTEX_BIT; mmesa->SetupNewInputs = ~0; if (!mmesa->Fallback && !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { tnl->Driver.Render.Interp = setup_tab[mmesa->SetupIndex].interp; tnl->Driver.Render.CopyPV = setup_tab[mmesa->SetupIndex].copy_pv; } } } void mgaBuildVertices( GLcontext *ctx, GLuint start, GLuint count, GLuint newinputs ) { mgaContextPtr mmesa = MGA_CONTEXT( ctx ); GLubyte *v = ((GLubyte *)mmesa->verts + (start<vertex_stride_shift)); GLuint stride = 1<vertex_stride_shift; newinputs |= mmesa->SetupNewInputs; mmesa->SetupNewInputs = 0; if (!newinputs) return; if (newinputs & VERT_BIT_POS) { setup_tab[mmesa->SetupIndex].emit( ctx, start, count, v, stride ); } else { GLuint ind = 0; if (newinputs & VERT_BIT_COLOR0) ind |= MGA_RGBA_BIT; if (newinputs & VERT_BIT_COLOR1) ind |= MGA_SPEC_BIT; if (newinputs & VERT_BIT_TEX0) ind |= MGA_TEX0_BIT; if (newinputs & VERT_BIT_TEX1) ind |= MGA_TEX0_BIT|MGA_TEX1_BIT; if (newinputs & VERT_BIT_FOG) ind |= MGA_FOG_BIT; if (mmesa->SetupIndex & MGA_PTEX_BIT) ind = ~0; ind &= mmesa->SetupIndex; if (ind) { setup_tab[ind].emit( ctx, start, count, v, stride ); } } } void mgaChooseVertexState( GLcontext *ctx ) { mgaContextPtr mmesa = MGA_CONTEXT( ctx ); TNLcontext *tnl = TNL_CONTEXT(ctx); GLuint ind = MGA_XYZW_BIT|MGA_RGBA_BIT; if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) ind |= MGA_SPEC_BIT; if (ctx->Fog.Enabled) ind |= MGA_FOG_BIT; if (ctx->Texture._EnabledUnits & 0x2) { /* unit 1 enabled */ if (ctx->Texture._EnabledUnits & 0x1) { /* unit 0 enabled */ ind |= MGA_TEX1_BIT|MGA_TEX0_BIT; } else { ind |= MGA_TEX0_BIT; } } else if (ctx->Texture._EnabledUnits & 0x1) { /* unit 0 enabled */ ind |= MGA_TEX0_BIT; } mmesa->SetupIndex = ind; if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { tnl->Driver.Render.Interp = mga_interp_extras; tnl->Driver.Render.CopyPV = mga_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 != mmesa->vertex_format) { FLUSH_BATCH(mmesa); mmesa->dirty |= MGA_UPLOAD_PIPE; mmesa->vertex_format = setup_tab[ind].vertex_format; mmesa->vertex_size = setup_tab[ind].vertex_size; mmesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; } } void mga_emit_contiguous_verts( GLcontext *ctx, GLuint start, GLuint count ) { mgaContextPtr mmesa = MGA_CONTEXT(ctx); GLuint vertex_size = mmesa->vertex_size * 4; GLuint *dest = mgaAllocDmaLow( mmesa, (count-start) * vertex_size); setup_tab[mmesa->SetupIndex].emit( ctx, start, count, dest, vertex_size ); } void mgaInitVB( GLcontext *ctx ) { mgaContextPtr mmesa = MGA_CONTEXT(ctx); GLuint size = TNL_CONTEXT(ctx)->vb.Size; mmesa->verts = ALIGN_MALLOC(size * sizeof(mgaVertex), 32); { static int firsttime = 1; if (firsttime) { init_setup_tab(); firsttime = 0; } } mmesa->dirty |= MGA_UPLOAD_PIPE; mmesa->vertex_format = setup_tab[0].vertex_format; mmesa->vertex_size = setup_tab[0].vertex_size; mmesa->vertex_stride_shift = setup_tab[0].vertex_stride_shift; } void mgaFreeVB( GLcontext *ctx ) { mgaContextPtr mmesa = MGA_CONTEXT(ctx); if (mmesa->verts) { ALIGN_FREE(mmesa->verts); mmesa->verts = 0; } if (mmesa->UbyteSecondaryColor.Ptr) { ALIGN_FREE(mmesa->UbyteSecondaryColor.Ptr); mmesa->UbyteSecondaryColor.Ptr = 0; } if (mmesa->UbyteColor.Ptr) { ALIGN_FREE(mmesa->UbyteColor.Ptr); mmesa->UbyteColor.Ptr = 0; } }