/* * Copyright 2001 by Alan Hourihane. * * 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, * Keith Whitwell, * * 3DLabs Gamma driver. */ #include "glheader.h" #include "mtypes.h" #include "imports.h" #include "macros.h" #include "colormac.h" #include "swrast_setup/swrast_setup.h" #include "tnl/t_context.h" #include "tnl/tnl.h" #include "gamma_context.h" #include "gamma_vb.h" #include "gamma_tris.h" #define GAMMA_TEX0_BIT 0x1 #define GAMMA_RGBA_BIT 0x2 #define GAMMA_XYZW_BIT 0x4 #define GAMMA_PTEX_BIT 0x8 #define GAMMA_FOG_BIT 0x10 #define GAMMA_SPEC_BIT 0x20 #define GAMMA_MAX_SETUP 0x40 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[GAMMA_MAX_SETUP]; #define TINY_VERTEX_FORMAT 1 #define NOTEX_VERTEX_FORMAT 2 #define TEX0_VERTEX_FORMAT 3 #define TEX1_VERTEX_FORMAT 0 #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 & GAMMA_XYZW_BIT) #define DO_RGBA (IND & GAMMA_RGBA_BIT) #define DO_SPEC (IND & GAMMA_SPEC_BIT) #define DO_FOG (IND & GAMMA_FOG_BIT) #define DO_TEX0 (IND & GAMMA_TEX0_BIT) #define DO_TEX1 0 #define DO_TEX2 0 #define DO_TEX3 0 #define DO_PTEX (IND & GAMMA_PTEX_BIT) #define VERTEX gammaVertex #define VERTEX_COLOR gamma_color_t #define GET_VIEWPORT_MAT() 0 #define GET_TEXSOURCE(n) n #define GET_VERTEX_FORMAT() GAMMA_CONTEXT(ctx)->vertex_format #define GET_VERTEX_STORE() GAMMA_CONTEXT(ctx)->verts #define GET_VERTEX_SIZE() GAMMA_CONTEXT(ctx)->vertex_size * sizeof(GLuint) #define INVALIDATE_STORED_VERTICES() #define HAVE_HW_VIEWPORT 1 #define HAVE_HW_DIVIDE 1 #define HAVE_RGBA_COLOR 0 /* we're BGRA */ #define HAVE_TINY_VERTICES 1 #define HAVE_NOTEX_VERTICES 1 #define HAVE_TEX0_VERTICES 1 #define HAVE_TEX1_VERTICES 0 #define HAVE_TEX2_VERTICES 0 #define HAVE_TEX3_VERTICES 0 #define HAVE_PTEX_VERTICES 1 #define PTEX_FALLBACK() /* never needed */ #define INTERP_VERTEX setup_tab[GAMMA_CONTEXT(ctx)->SetupIndex].interp #define COPY_PV_VERTEX setup_tab[GAMMA_CONTEXT(ctx)->SetupIndex].copy_pv /*********************************************************************** * Generate pv-copying and translation functions * ***********************************************************************/ #define TAG(x) gamma_##x #include "tnl_dd/t_dd_vb.c" /*********************************************************************** * Generate vertex emit and interp functions * ***********************************************************************/ #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT) #define TAG(x) x##_wg #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_SPEC_BIT) #define TAG(x) x##_wgs #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_wgt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_TEX0_BIT|GAMMA_PTEX_BIT) #define TAG(x) x##_wgpt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_wgst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT|\ GAMMA_PTEX_BIT) #define TAG(x) x##_wgspt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT) #define TAG(x) x##_wgf #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT) #define TAG(x) x##_wgfs #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_wgft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_TEX0_BIT|\ GAMMA_PTEX_BIT) #define TAG(x) x##_wgfpt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT|\ GAMMA_TEX0_BIT) #define TAG(x) x##_wgfst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_XYZW_BIT|GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT|\ GAMMA_TEX0_BIT|GAMMA_PTEX_BIT) #define TAG(x) x##_wgfspt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_TEX0_BIT) #define TAG(x) x##_t0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_FOG_BIT) #define TAG(x) x##_f #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_FOG_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_ft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT) #define TAG(x) x##_g #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_SPEC_BIT) #define TAG(x) x##_gs #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_gt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_gst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT) #define TAG(x) x##_gf #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT) #define TAG(x) x##_gfs #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_gft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (GAMMA_RGBA_BIT|GAMMA_FOG_BIT|GAMMA_SPEC_BIT|GAMMA_TEX0_BIT) #define TAG(x) x##_gfst0 #include "tnl_dd/t_dd_vbtmp.h" static void init_setup_tab( void ) { init_wg(); init_wgs(); init_wgt0(); init_wgpt0(); init_wgst0(); init_wgspt0(); init_wgf(); init_wgfs(); init_wgft0(); init_wgfpt0(); init_wgfst0(); init_wgfspt0(); init_t0(); init_f(); init_ft0(); init_g(); init_gs(); init_gt0(); init_gst0(); init_gf(); init_gfs(); init_gft0(); init_gfst0(); } void gammaCheckTexSizes( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); gammaContextPtr gmesa = GAMMA_CONTEXT( ctx ); if (!setup_tab[gmesa->SetupIndex].check_tex_sizes(ctx)) { /* Invalidate stored verts */ gmesa->SetupNewInputs = ~0; gmesa->SetupIndex |= GAMMA_PTEX_BIT; if (!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { tnl->Driver.Render.Interp = setup_tab[gmesa->SetupIndex].interp; tnl->Driver.Render.CopyPV = setup_tab[gmesa->SetupIndex].copy_pv; } } } void gammaBuildVertices( GLcontext *ctx, GLuint start, GLuint count, GLuint newinputs ) { gammaContextPtr gmesa = GAMMA_CONTEXT( ctx ); GLuint stride = gmesa->vertex_size * sizeof(int); GLubyte *v = ((GLubyte *)gmesa->verts + (start * stride)); newinputs |= gmesa->SetupNewInputs; gmesa->SetupNewInputs = 0; if (!newinputs) return; if (newinputs & VERT_BIT_POS) { setup_tab[gmesa->SetupIndex].emit( ctx, start, count, v, stride ); } else { GLuint ind = 0; if (newinputs & VERT_BIT_COLOR0) ind |= GAMMA_RGBA_BIT; if (newinputs & VERT_BIT_COLOR1) ind |= GAMMA_SPEC_BIT; if (newinputs & VERT_BIT_TEX0) ind |= GAMMA_TEX0_BIT; if (newinputs & VERT_BIT_FOG) ind |= GAMMA_FOG_BIT; if (gmesa->SetupIndex & GAMMA_PTEX_BIT) ind = ~0; ind &= gmesa->SetupIndex; if (ind) { setup_tab[ind].emit( ctx, start, count, v, stride ); } } } void gammaChooseVertexState( GLcontext *ctx ) { gammaContextPtr gmesa = GAMMA_CONTEXT( ctx ); TNLcontext *tnl = TNL_CONTEXT(ctx); GLuint ind = GAMMA_XYZW_BIT|GAMMA_RGBA_BIT; if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) ind |= GAMMA_SPEC_BIT; if (ctx->Fog.Enabled) ind |= GAMMA_FOG_BIT; if (ctx->Texture.Unit[0]._ReallyEnabled) { _tnl_need_projected_coords( ctx, GL_FALSE ); ind |= GAMMA_TEX0_BIT; } else _tnl_need_projected_coords( ctx, GL_FALSE ); gmesa->SetupIndex = ind; if (setup_tab[ind].vertex_format != gmesa->vertex_format) { gmesa->vertex_format = setup_tab[ind].vertex_format; gmesa->vertex_size = setup_tab[ind].vertex_size; } if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { tnl->Driver.Render.Interp = gamma_interp_extras; tnl->Driver.Render.CopyPV = gamma_copy_pv_extras; } else { tnl->Driver.Render.Interp = setup_tab[ind].interp; tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv; } } void gammaInitVB( GLcontext *ctx ) { gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); GLuint size = TNL_CONTEXT(ctx)->vb.Size; gmesa->verts = (GLubyte *)ALIGN_MALLOC(size * 4 * 16, 32); { static int firsttime = 1; if (firsttime) { init_setup_tab(); firsttime = 0; gmesa->vertex_size = 16; /* FIXME - only one vertex setup */ } } } void gammaFreeVB( GLcontext *ctx ) { gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); if (gmesa->verts) { ALIGN_FREE(gmesa->verts); gmesa->verts = 0; } }