diff options
Diffstat (limited to 'src/mesa/drivers/dri/mga/mgavb.c')
| -rw-r--r-- | src/mesa/drivers/dri/mga/mgavb.c | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mga/mgavb.c b/src/mesa/drivers/dri/mga/mgavb.c new file mode 100644 index 0000000000..d354fa43d2 --- /dev/null +++ b/src/mesa/drivers/dri/mga/mgavb.c @@ -0,0 +1,497 @@ +/* + * 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 "mgacontext.h" +#include "mgavb.h" +#include "mgatris.h" +#include "mgaioctl.h" +#include "mga_xmesa.h" + +#include "glheader.h" +#include "mtypes.h" +/*#include "mem.h" */ +#include "macros.h" +#include "colormac.h" +/*#include "mmath.h"*/ + +#include "tnl/t_context.h" +#include "swrast_setup/swrast_setup.h" +#include "swrast/swrast.h" + +#include <stdio.h> +#include <stdlib.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() ((GLubyte *)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<<mmesa->vertex_stride_shift)); + GLuint stride = 1<<mmesa->vertex_stride_shift; + + newinputs |= mmesa->SetupNewInputs; + mmesa->SetupNewInputs = 0; + + if (!newinputs) + return; + + if (newinputs & VERT_BIT_CLIP) { + 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.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { + if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { + ind |= MGA_TEX1_BIT|MGA_TEX0_BIT; + } + else { + ind |= MGA_TEX0_BIT; + } + } + else if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { + 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->new_state |= MGA_NEW_WARP; + 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 = (char *)ALIGN_MALLOC(size * sizeof(mgaVertex), 32); + + { + static int firsttime = 1; + if (firsttime) { + init_setup_tab(); + firsttime = 0; + } + } + + mmesa->new_state |= MGA_NEW_WARP; + 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; + } +} + |