/*
* 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 "main/glheader.h"
#include "main/mtypes.h"
#include "main/macros.h"
#include "main/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 = (GLubyte *)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;
}
}