From e508f7f08e6fa4292136a377150fc058c041fbc0 Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Tue, 30 Sep 2003 11:28:16 +0000 Subject: add gamma driver - no kernel driver yet (build tested, not physically tested) --- src/mesa/drivers/dri/gamma/gamma_vb.c | 380 ++++++++++++++++++++++++++++++++++ 1 file changed, 380 insertions(+) create mode 100644 src/mesa/drivers/dri/gamma/gamma_vb.c (limited to 'src/mesa/drivers/dri/gamma/gamma_vb.c') diff --git a/src/mesa/drivers/dri/gamma/gamma_vb.c b/src/mesa/drivers/dri/gamma/gamma_vb.c new file mode 100644 index 0000000000..6178b37bef --- /dev/null +++ b/src/mesa/drivers/dri/gamma/gamma_vb.c @@ -0,0 +1,380 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/gamma/gamma_vb.c,v 1.4 2003/03/26 20:43:48 tsi Exp $ */ +/* + * 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 ); + 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[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_STRIDE_SHIFT() GAMMA_CONTEXT(ctx)->vertex_stride_shift +#define INVALIDATE_STORED_VERTICES() +#define GET_UBYTE_COLOR_STORE() &GAMMA_CONTEXT(ctx)->UbyteColor +#define GET_UBYTE_SPEC_COLOR_STORE() &GAMMA_CONTEXT(ctx)->UbyteSecondaryColor + +#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 IMPORT_QUALIFIER +#define IMPORT_FLOAT_COLORS gamma_import_float_colors +#define IMPORT_FLOAT_SPEC_COLORS gamma_import_float_spec_colors + +#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 ); + GLubyte *v = ((GLubyte *)gmesa->verts + (start<vertex_stride_shift)); + GLuint stride = 1<vertex_stride_shift; + + newinputs |= gmesa->SetupNewInputs; + gmesa->SetupNewInputs = 0; + + if (!newinputs) + return; + + if (newinputs & VERT_BIT_CLIP) { + 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; + gmesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; + } + + 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 = (char *)ALIGN_MALLOC(size * 4 * 16, 32); + + { + static int firsttime = 1; + if (firsttime) { + init_setup_tab(); + firsttime = 0; + gmesa->vertex_stride_shift = 6; /* FIXME - only one vertex setup */ + } + } +} + + +void gammaFreeVB( GLcontext *ctx ) +{ + gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); + if (gmesa->verts) { + ALIGN_FREE(gmesa->verts); + gmesa->verts = 0; + } + + if (gmesa->UbyteSecondaryColor.Ptr) { + ALIGN_FREE(gmesa->UbyteSecondaryColor.Ptr); + gmesa->UbyteSecondaryColor.Ptr = 0; + } + + if (gmesa->UbyteColor.Ptr) { + ALIGN_FREE(gmesa->UbyteColor.Ptr); + gmesa->UbyteColor.Ptr = 0; + } +} -- cgit v1.2.3