| /* |
| * 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 <keith@tungstengraphics.com> |
| */ |
| /* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgavb.c,v 1.15 2003/03/26 20:43:49 tsi Exp $ */ |
| |
| #include <stdlib.h> |
| #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 ); |
| tnl_interp_func interp; |
| tnl_copy_pv_func copy_pv; |
| GLboolean (*check_tex_sizes)( GLcontext *ctx ); |
| GLuint vertex_size; |
| 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_SIZE() mmesa->vertex_size * sizeof(GLuint) |
| |
| #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 INTERP_VERTEX setup_tab[mmesa->SetupIndex].interp |
| #define COPY_PV_VERTEX setup_tab[mmesa->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; |
| } |
| if (mmesa->Fallback) { |
| tnl->Driver.Render.Start(ctx); |
| } |
| } |
| } |
| |
| |
| void mgaBuildVertices( GLcontext *ctx, |
| GLuint start, |
| GLuint count, |
| GLuint newinputs ) |
| { |
| mgaContextPtr mmesa = MGA_CONTEXT( ctx ); |
| GLuint stride = mmesa->vertex_size * sizeof(int); |
| GLubyte *v = ((GLubyte *)mmesa->verts + (start * stride)); |
| |
| 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; |
| } |
| } |
| |
| |
| |
| void *mga_emit_contiguous_verts( GLcontext *ctx, |
| GLuint start, |
| GLuint count, |
| void *dest) |
| { |
| mgaContextPtr mmesa = MGA_CONTEXT(ctx); |
| GLuint stride = mmesa->vertex_size * 4; |
| setup_tab[mmesa->SetupIndex].emit( ctx, start, count, dest, stride ); |
| return (void *)((char *)dest + stride * (count - start)); |
| } |
| |
| |
| |
| void mgaInitVB( GLcontext *ctx ) |
| { |
| mgaContextPtr mmesa = MGA_CONTEXT(ctx); |
| GLuint size = TNL_CONTEXT(ctx)->vb.Size; |
| |
| mmesa->verts = (GLubyte *)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; |
| } |
| |
| |
| void mgaFreeVB( GLcontext *ctx ) |
| { |
| mgaContextPtr mmesa = MGA_CONTEXT(ctx); |
| if (mmesa->verts) { |
| ALIGN_FREE(mmesa->verts); |
| mmesa->verts = 0; |
| } |
| } |
| |