| /* |
| * Copyright 2002 by Alan Hourihane, Sychdyn, North Wales, UK. |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and its |
| * documentation for any purpose is hereby granted without fee, provided that |
| * the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of Alan Hourihane not be used in |
| * advertising or publicity pertaining to distribution of the software without |
| * specific, written prior permission. Alan Hourihane makes no representations |
| * about the suitability of this software for any purpose. It is provided |
| * "as is" without express or implied warranty. |
| * |
| * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| * |
| * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> |
| * |
| * Trident CyberBladeXP driver. |
| * |
| */ |
| #include "glheader.h" |
| #include "mtypes.h" |
| #include "macros.h" |
| #include "colormac.h" |
| |
| #include "swrast_setup/swrast_setup.h" |
| #include "swrast/swrast.h" |
| #include "tnl/t_context.h" |
| #include "tnl/tnl.h" |
| |
| #include "trident_context.h" |
| |
| #define TRIDENT_TEX1_BIT 0x1 |
| #define TRIDENT_TEX0_BIT 0x2 |
| #define TRIDENT_RGBA_BIT 0x4 |
| #define TRIDENT_SPEC_BIT 0x8 |
| #define TRIDENT_FOG_BIT 0x10 |
| #define TRIDENT_XYZW_BIT 0x20 |
| #define TRIDENT_PTEX_BIT 0x40 |
| #define TRIDENT_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_stride_shift; |
| GLuint vertex_format; |
| } setup_tab[TRIDENT_MAX_SETUP]; |
| |
| #define TINY_VERTEX_FORMAT 1 |
| #define NOTEX_VERTEX_FORMAT 2 |
| #define TEX0_VERTEX_FORMAT 3 |
| #define TEX1_VERTEX_FORMAT 4 |
| #define PROJ_TEX1_VERTEX_FORMAT 5 |
| #define TEX2_VERTEX_FORMAT 6 |
| #define TEX3_VERTEX_FORMAT 7 |
| #define PROJ_TEX3_VERTEX_FORMAT 8 |
| |
| #define DO_XYZW (IND & TRIDENT_XYZW_BIT) |
| #define DO_RGBA (IND & TRIDENT_RGBA_BIT) |
| #define DO_SPEC (IND & TRIDENT_SPEC_BIT) |
| #define DO_FOG (IND & TRIDENT_FOG_BIT) |
| #define DO_TEX0 (IND & TRIDENT_TEX0_BIT) |
| #define DO_TEX1 (IND & TRIDENT_TEX1_BIT) |
| #define DO_TEX2 0 |
| #define DO_TEX3 0 |
| #define DO_PTEX (IND & TRIDENT_PTEX_BIT) |
| |
| #define VERTEX tridentVertex |
| #define VERTEX_COLOR trident_color_t |
| #define LOCALVARS tridentContextPtr tmesa = TRIDENT_CONTEXT(ctx); |
| #define GET_VIEWPORT_MAT() tmesa->hw_viewport |
| #define GET_TEXSOURCE(n) tmesa->tmu_source[n] |
| #define GET_VERTEX_FORMAT() tmesa->vertex_format |
| #define GET_VERTEX_SIZE() tmesa->vertex_size |
| #define GET_VERTEX_STORE() tmesa->verts |
| #define GET_VERTEX_STRIDE_SHIFT() tmesa->vertex_stride_shift |
| #define GET_UBYTE_COLOR_STORE() &tmesa->UbyteColor |
| #define GET_UBYTE_SPEC_COLOR_STORE() &tmesa->UbyteSecondaryColor |
| |
| #define HAVE_HW_VIEWPORT 0 |
| #define HAVE_HW_DIVIDE 0 |
| #define HAVE_RGBA_COLOR 0 |
| #define HAVE_TINY_VERTICES 1 |
| #define HAVE_NOTEX_VERTICES 1 |
| #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 = - tmesa->drawX - SUBPIXEL_X; \ |
| const GLfloat dy = (tmesa->driDrawable->h + \ |
| tmesa->drawY + SUBPIXEL_Y); \ |
| const GLfloat sz = 1.0 / tmesa->depth_scale |
| |
| #define UNVIEWPORT_X(x) x + dx; |
| #define UNVIEWPORT_Y(y) - y + dy; |
| #define UNVIEWPORT_Z(z) z * sz; |
| |
| #define PTEX_FALLBACK() tridentFallback(TRIDENT_CONTEXT(ctx), TRIDENT_FALLBACK_TEXTURE, 1) |
| |
| #define IMPORT_FLOAT_COLORS trident_import_float_colors |
| #define IMPORT_FLOAT_SPEC_COLORS trident_import_float_spec_colors |
| |
| #define INTERP_VERTEX setup_tab[tmesa->SetupIndex].interp |
| #define COPY_PV_VERTEX setup_tab[tmesa->SetupIndex].copy_pv |
| |
| /*********************************************************************** |
| * Generate pv-copying and translation functions * |
| ***********************************************************************/ |
| |
| #define TAG(x) trident_##x |
| #include "tnl_dd/t_dd_vb.c" |
| |
| /*********************************************************************** |
| * Generate vertex emit and interp functions * |
| ***********************************************************************/ |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT) |
| #define TAG(x) x##_wg |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT) |
| #define TAG(x) x##_wgs |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_wgt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_wgt0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_TEX0_BIT|TRIDENT_PTEX_BIT) |
| #define TAG(x) x##_wgpt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_wgst0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_wgst0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT|TRIDENT_PTEX_BIT) |
| #define TAG(x) x##_wgspt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT) |
| #define TAG(x) x##_wgf |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT) |
| #define TAG(x) x##_wgfs |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_wgft0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_wgft0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT|TRIDENT_PTEX_BIT) |
| #define TAG(x) x##_wgfpt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_wgfst0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_wgfst0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT|TRIDENT_PTEX_BIT) |
| #define TAG(x) x##_wgfspt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_t0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_t0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_FOG_BIT) |
| #define TAG(x) x##_f |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_ft0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_ft0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT) |
| #define TAG(x) x##_g |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT) |
| #define TAG(x) x##_gs |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_gt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_gt0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_gst0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_gst0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT) |
| #define TAG(x) x##_gf |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT) |
| #define TAG(x) x##_gfs |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_gft0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_TEX0_BIT|TRIDENT_TEX1_BIT) |
| #define TAG(x) x##_gft0t1 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT) |
| #define TAG(x) x##_gfst0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (TRIDENT_RGBA_BIT|TRIDENT_FOG_BIT|TRIDENT_SPEC_BIT|TRIDENT_TEX0_BIT|TRIDENT_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 tridentBuildVertices( GLcontext *ctx, |
| GLuint start, |
| GLuint count, |
| GLuint newinputs ) |
| { |
| tridentContextPtr tmesa = TRIDENT_CONTEXT( ctx ); |
| GLubyte *v = ((GLubyte *)tmesa->verts + (start<<tmesa->vertex_stride_shift)); |
| GLuint stride = 1<<tmesa->vertex_stride_shift; |
| |
| newinputs |= tmesa->SetupNewInputs; |
| tmesa->SetupNewInputs = 0; |
| |
| if (!newinputs) |
| return; |
| |
| if (newinputs & VERT_BIT_POS) { |
| setup_tab[tmesa->SetupIndex].emit( ctx, start, count, v, stride ); |
| } else { |
| GLuint ind = 0; |
| |
| if (newinputs & VERT_BIT_COLOR0) |
| ind |= TRIDENT_RGBA_BIT; |
| |
| if (newinputs & VERT_BIT_COLOR1) |
| ind |= TRIDENT_SPEC_BIT; |
| |
| if (newinputs & VERT_BIT_TEX0) |
| ind |= TRIDENT_TEX0_BIT; |
| |
| if (newinputs & VERT_BIT_TEX1) |
| ind |= TRIDENT_TEX1_BIT; |
| |
| if (newinputs & VERT_BIT_FOG) |
| ind |= TRIDENT_FOG_BIT; |
| |
| if (tmesa->SetupIndex & TRIDENT_PTEX_BIT) |
| ind = ~0; |
| |
| ind &= tmesa->SetupIndex; |
| |
| if (ind) { |
| setup_tab[ind].emit( ctx, start, count, v, stride ); |
| } |
| } |
| } |
| |
| void tridentCheckTexSizes( GLcontext *ctx ) |
| { |
| tridentContextPtr tmesa = TRIDENT_CONTEXT( ctx ); |
| |
| if (!setup_tab[tmesa->SetupIndex].check_tex_sizes(ctx)) { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| |
| /* Invalidate stored verts |
| */ |
| tmesa->SetupNewInputs = ~0; |
| tmesa->SetupIndex |= TRIDENT_PTEX_BIT; |
| |
| if (!tmesa->Fallback && |
| !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { |
| tnl->Driver.Render.Interp = setup_tab[tmesa->SetupIndex].interp; |
| tnl->Driver.Render.CopyPV = setup_tab[tmesa->SetupIndex].copy_pv; |
| } |
| } |
| } |
| |
| void tridentChooseVertexState( GLcontext *ctx ) |
| { |
| tridentContextPtr tmesa = TRIDENT_CONTEXT( ctx ); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| GLuint ind = TRIDENT_XYZW_BIT|TRIDENT_RGBA_BIT; |
| |
| if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) |
| ind |= TRIDENT_SPEC_BIT; |
| |
| if (ctx->Fog.Enabled) |
| ind |= TRIDENT_FOG_BIT; |
| |
| if (ctx->Texture.Unit[0]._ReallyEnabled) { |
| ind |= TRIDENT_TEX0_BIT; |
| if (ctx->Texture.Unit[1]._ReallyEnabled) { |
| ind |= TRIDENT_TEX1_BIT; |
| } |
| } |
| |
| tmesa->SetupIndex = ind; |
| |
| if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { |
| tnl->Driver.Render.Interp = trident_interp_extras; |
| tnl->Driver.Render.CopyPV = trident_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 != tmesa->vertex_format) { |
| tmesa->vertex_format = setup_tab[ind].vertex_format; |
| tmesa->vertex_size = setup_tab[ind].vertex_size; |
| tmesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; |
| } |
| } |
| |
| void tridentInitVB( GLcontext *ctx ) |
| { |
| tridentContextPtr tmesa = TRIDENT_CONTEXT(ctx); |
| GLuint size = TNL_CONTEXT(ctx)->vb.Size; |
| |
| tmesa->verts = (char *)ALIGN_MALLOC( size * 16 * 4, 32 ); |
| |
| { |
| static int firsttime = 1; |
| if (firsttime) { |
| init_setup_tab(); |
| firsttime = 0; |
| } |
| } |
| } |
| |
| void tridentFreeVB( GLcontext *ctx ) |
| { |
| tridentContextPtr tmesa = TRIDENT_CONTEXT(ctx); |
| |
| if (tmesa->verts) { |
| ALIGN_FREE(tmesa->verts); |
| tmesa->verts = 0; |
| } |
| |
| if (tmesa->UbyteSecondaryColor.Ptr) { |
| ALIGN_FREE((void *)tmesa->UbyteSecondaryColor.Ptr); |
| tmesa->UbyteSecondaryColor.Ptr = 0; |
| } |
| |
| if (tmesa->UbyteColor.Ptr) { |
| ALIGN_FREE((void *)tmesa->UbyteColor.Ptr); |
| tmesa->UbyteColor.Ptr = 0; |
| } |
| } |
