diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetris.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetris.c | 1297 |
1 files changed, 0 insertions, 1297 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetris.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetris.c deleted file mode 100644 index 184704013..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/savage/savagetris.c +++ /dev/null @@ -1,1297 +0,0 @@ -/* $XFree86$ */ /* -*- c-basic-offset: 3 -*- */ -/************************************************************************** - -Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and - VA Linux Systems Inc., Fremont, California. - -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 -ATI, VA LINUX SYSTEMS AND/OR THEIR 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 <keithw@valinux.com> - * Felix Kuehling <fxkuehl@gmx.de> - * - */ - -#include <stdio.h> -#include <math.h> - -#include "glheader.h" -#include "mtypes.h" -#include "colormac.h" -#include "macros.h" - -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" - -#include "savagetris.h" -#include "savagestate.h" -#include "savagetex.h" -#include "savageioctl.h" -#include "savage_bci.h" - -static void savageRasterPrimitive( GLcontext *ctx, GLuint prim ); -static void savageRenderPrimitive( GLcontext *ctx, GLenum prim ); - - -static GLenum reduced_prim[GL_POLYGON+1] = { - GL_POINTS, - GL_LINES, - GL_LINES, - GL_LINES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES -}; - - -/*********************************************************************** - * Emit primitives * - ***********************************************************************/ - -#if defined (USE_X86_ASM) -#define EMIT_VERT( j, vb, vertex_size, start, v ) \ -do { int __tmp; \ - vb += start; \ - __asm__ __volatile__( "rep ; movsl" \ - : "=%c" (j), "=D" (vb), "=S" (__tmp) \ - : "0" (vertex_size-start), \ - "D" ((long)vb), \ - "S" ((long)&(v)->ui[start])); \ -} while (0) -#else -#define EMIT_VERT( j, vb, vertex_size, start, v ) \ -do { \ - for ( j = start ; j < vertex_size ; j++ ) \ - vb[j] = (v)->ui[j]; \ - vb += vertex_size; \ -} while (0) -#endif - -static void __inline__ savage_draw_triangle (savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1, - savageVertexPtr v2) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 3*vertsize); - GLuint j; - - EMIT_VERT (j, vb, vertsize, 0, v0); - EMIT_VERT (j, vb, vertsize, 0, v1); - EMIT_VERT (j, vb, vertsize, 0, v2); -} - -static void __inline__ savage_draw_quad (savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1, - savageVertexPtr v2, - savageVertexPtr v3) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize); - GLuint j; - - EMIT_VERT (j, vb, vertsize, 0, v0); - EMIT_VERT (j, vb, vertsize, 0, v1); - EMIT_VERT (j, vb, vertsize, 0, v3); - EMIT_VERT (j, vb, vertsize, 0, v1); - EMIT_VERT (j, vb, vertsize, 0, v2); - EMIT_VERT (j, vb, vertsize, 0, v3); -} - -static __inline__ void savage_draw_point (savageContextPtr imesa, - savageVertexPtr tmp) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize); - const GLfloat x = tmp->v.x; - const GLfloat y = tmp->v.y; - const GLfloat sz = imesa->glCtx->Point._Size * .5; - GLuint j; - - *(float *)&vb[0] = x - sz; - *(float *)&vb[1] = y - sz; - EMIT_VERT (j, vb, vertsize, 2, tmp); - - *(float *)&vb[0] = x + sz; - *(float *)&vb[1] = y - sz; - EMIT_VERT (j, vb, vertsize, 2, tmp); - - *(float *)&vb[0] = x + sz; - *(float *)&vb[1] = y + sz; - EMIT_VERT (j, vb, vertsize, 2, tmp); - - *(float *)&vb[0] = x + sz; - *(float *)&vb[1] = y + sz; - EMIT_VERT (j, vb, vertsize, 2, tmp); - - *(float *)&vb[0] = x - sz; - *(float *)&vb[1] = y + sz; - EMIT_VERT (j, vb, vertsize, 2, tmp); - - *(float *)&vb[0] = x - sz; - *(float *)&vb[1] = y - sz; - EMIT_VERT (j, vb, vertsize, 2, tmp); -} - -static __inline__ void savage_draw_line (savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1 ) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize); - GLfloat width = imesa->glCtx->Line._Width; - GLfloat dx, dy, ix, iy; - GLuint j; - - dx = v0->v.x - v1->v.x; - dy = v0->v.y - v1->v.y; - - ix = width * .5; iy = 0; - if (dx * dx > dy * dy) { - iy = ix; ix = 0; - } - - *(float *)&vb[0] = v0->v.x - ix; - *(float *)&vb[1] = v0->v.y - iy; - EMIT_VERT (j, vb, vertsize, 2, v0); - - *(float *)&vb[0] = v1->v.x + ix; - *(float *)&vb[1] = v1->v.y + iy; - EMIT_VERT (j, vb, vertsize, 2, v1); - - *(float *)&vb[0] = v0->v.x + ix; - *(float *)&vb[1] = v0->v.y + iy; - EMIT_VERT (j, vb, vertsize, 2, v0); - - *(float *)&vb[0] = v0->v.x - ix; - *(float *)&vb[1] = v0->v.y - iy; - EMIT_VERT (j, vb, vertsize, 2, v0); - - *(float *)&vb[0] = v1->v.x - ix; - *(float *)&vb[1] = v1->v.y - iy; - EMIT_VERT (j, vb, vertsize, 2, v1); - - *(float *)&vb[0] = v1->v.x + ix; - *(float *)&vb[1] = v1->v.y + iy; - EMIT_VERT (j, vb, vertsize, 2, v1); -} - -/* Fallback drawing functions for the ptex hack. Code duplication - * (especially lines and points) isn't beautiful, but I didn't feel - * like inventing yet another template. :-/ - */ -#define PTEX_VERTEX( j, tmp, vertex_size, start, v) \ -do { \ - GLfloat rhw = 1.0 / v->f[vertex_size]; \ - for ( j = start ; j < vertex_size ; j++ ) \ - tmp.f[j] = v->f[j]; \ - tmp.f[3] *= v->f[vertex_size]; \ - tmp.f[vertex_size-2] *= rhw; \ - tmp.f[vertex_size-1] *= rhw; \ -} while (0) - -static void __inline__ savage_ptex_tri (savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1, - savageVertexPtr v2) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 3*vertsize); - savageVertex tmp; - GLuint j; - - PTEX_VERTEX (j, tmp, vertsize, 0, v0); EMIT_VERT (j, vb, vertsize, 0, &tmp); - PTEX_VERTEX (j, tmp, vertsize, 0, v1); EMIT_VERT (j, vb, vertsize, 0, &tmp); - PTEX_VERTEX (j, tmp, vertsize, 0, v2); EMIT_VERT (j, vb, vertsize, 0, &tmp); -} - -static __inline__ void savage_ptex_line (savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1 ) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize); - GLfloat width = imesa->glCtx->Line._Width; - GLfloat dx, dy, ix, iy; - savageVertex tmp0, tmp1; - GLuint j; - - PTEX_VERTEX (j, tmp0, vertsize, 2, v0); - PTEX_VERTEX (j, tmp1, vertsize, 2, v1); - - dx = v0->v.x - v1->v.x; - dy = v0->v.y - v1->v.y; - - ix = width * .5; iy = 0; - if (dx * dx > dy * dy) { - iy = ix; ix = 0; - } - - *(float *)&vb[0] = v0->v.x - ix; - *(float *)&vb[1] = v0->v.y - iy; - EMIT_VERT (j, vb, vertsize, 2, &tmp0); - - *(float *)&vb[0] = v1->v.x + ix; - *(float *)&vb[1] = v1->v.y + iy; - EMIT_VERT (j, vb, vertsize, 2, &tmp1); - - *(float *)&vb[0] = v0->v.x + ix; - *(float *)&vb[1] = v0->v.y + iy; - EMIT_VERT (j, vb, vertsize, 2, &tmp0); - - *(float *)&vb[0] = v0->v.x - ix; - *(float *)&vb[1] = v0->v.y - iy; - EMIT_VERT (j, vb, vertsize, 2, &tmp0); - - *(float *)&vb[0] = v1->v.x - ix; - *(float *)&vb[1] = v1->v.y - iy; - EMIT_VERT (j, vb, vertsize, 2, &tmp1); - - *(float *)&vb[0] = v1->v.x + ix; - *(float *)&vb[1] = v1->v.y + iy; - EMIT_VERT (j, vb, vertsize, 2, &tmp1); -} - -static __inline__ void savage_ptex_point (savageContextPtr imesa, - savageVertexPtr v0) { - GLuint vertsize = imesa->HwVertexSize; - u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize); - const GLfloat x = v0->v.x; - const GLfloat y = v0->v.y; - const GLfloat sz = imesa->glCtx->Point._Size * .5; - savageVertex tmp; - GLuint j; - - PTEX_VERTEX (j, tmp, vertsize, 2, v0); - - *(float *)&vb[0] = x - sz; - *(float *)&vb[1] = y - sz; - EMIT_VERT (j, vb, vertsize, 2, &tmp); - - *(float *)&vb[0] = x + sz; - *(float *)&vb[1] = y - sz; - EMIT_VERT (j, vb, vertsize, 2, &tmp); - - *(float *)&vb[0] = x + sz; - *(float *)&vb[1] = y + sz; - EMIT_VERT (j, vb, vertsize, 2, &tmp); - - *(float *)&vb[0] = x + sz; - *(float *)&vb[1] = y + sz; - EMIT_VERT (j, vb, vertsize, 2, &tmp); - - *(float *)&vb[0] = x - sz; - *(float *)&vb[1] = y + sz; - EMIT_VERT (j, vb, vertsize, 2, &tmp); - - *(float *)&vb[0] = x - sz; - *(float *)&vb[1] = y - sz; - EMIT_VERT (j, vb, vertsize, 2, &tmp); -} - -/*********************************************************************** - * Macros for t_dd_tritmp.h to draw basic primitives * - ***********************************************************************/ - -#define TRI( a, b, c ) \ -do { \ - if (DO_FALLBACK) \ - imesa->draw_tri( imesa, a, b, c ); \ - else \ - savage_draw_triangle( imesa, a, b, c ); \ -} while (0) - -#define QUAD( a, b, c, d ) \ -do { \ - if (DO_FALLBACK) { \ - imesa->draw_tri( imesa, a, b, d ); \ - imesa->draw_tri( imesa, b, c, d ); \ - } else \ - savage_draw_quad( imesa, a, b, c, d ); \ -} while (0) - -#define LINE( v0, v1 ) \ -do { \ - if (DO_FALLBACK) \ - imesa->draw_line( imesa, v0, v1 ); \ - else \ - savage_draw_line( imesa, v0, v1 ); \ -} while (0) - -#define POINT( v0 ) \ -do { \ - if (DO_FALLBACK) \ - imesa->draw_point( imesa, v0 ); \ - else \ - savage_draw_point( imesa, v0 ); \ -} while (0) - - -/*********************************************************************** - * Build render functions from dd templates * - ***********************************************************************/ - -#define SAVAGE_OFFSET_BIT 0x1 -#define SAVAGE_TWOSIDE_BIT 0x2 -#define SAVAGE_UNFILLED_BIT 0x4 -#define SAVAGE_FALLBACK_BIT 0x8 -#define SAVAGE_MAX_TRIFUNC 0x10 - - -static struct { - tnl_points_func points; - tnl_line_func line; - tnl_triangle_func triangle; - tnl_quad_func quad; -} rast_tab[SAVAGE_MAX_TRIFUNC]; - - -#define DO_FALLBACK (IND & SAVAGE_FALLBACK_BIT) -#define DO_OFFSET (IND & SAVAGE_OFFSET_BIT) -#define DO_UNFILLED (IND & SAVAGE_UNFILLED_BIT) -#define DO_TWOSIDE (IND & SAVAGE_TWOSIDE_BIT) -#define DO_FLAT 0 -#define DO_TRI 1 -#define DO_QUAD 1 -#define DO_LINE 1 -#define DO_POINTS 1 -#define DO_FULL_QUAD 1 - -#define HAVE_RGBA 1 -#define HAVE_SPEC 1 -#define HAVE_BACK_COLORS 0 -#define HAVE_HW_FLATSHADE 1 -#define VERTEX savageVertex -#define TAB rast_tab - -#define DEPTH_SCALE imesa->depth_scale -#define REVERSE_DEPTH 1 -#define UNFILLED_TRI unfilled_tri -#define UNFILLED_QUAD unfilled_quad -#define VERT_X(_v) _v->v.x -#define VERT_Y(_v) _v->v.y -#define VERT_Z(_v) _v->v.z -#define AREA_IS_CCW( a ) (a > 0) -#define GET_VERTEX(e) (imesa->verts + (e * imesa->vertex_size * sizeof(int))) - -#define VERT_SET_RGBA( v, c ) \ -do { \ - savage_color_t *color = (savage_color_t *)&((v)->ub4[coloroffset]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \ -} while (0) -#define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset] -#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset] -#define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx] - -#define VERT_SET_SPEC( v, c ) \ -do { \ - if (specoffset) { \ - savage_color_t *spec = (savage_color_t *)&((v)->ub4[specoffset]); \ - UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \ - UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \ - } \ -} while (0) -#define VERT_COPY_SPEC( v0, v1 ) \ - if (specoffset) COPY_3V(v0->ub4[specoffset], v1->ub4[specoffset]) -#define VERT_SAVE_SPEC( idx ) \ - if (specoffset) spec[idx] = v[idx]->ui[specoffset] -#define VERT_RESTORE_SPEC( idx ) \ - if (specoffset) v[idx]->ui[specoffset] = spec[idx] - -#define LOCAL_VARS(n) \ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); \ - GLuint color[n], spec[n]; \ - GLuint coloroffset = \ - ((imesa->skip & SAVAGE_SKIP_W) ? 3 : 4); \ - GLboolean specoffset = \ - ((imesa->skip & SAVAGE_SKIP_C1) ? 0 : coloroffset+1); \ - (void) color; (void) spec; (void) coloroffset; (void) specoffset; - -/*********************************************************************** - * Helpers for rendering unfilled primitives * - ***********************************************************************/ - -#define RASTERIZE(x) if (imesa->raster_primitive != reduced_prim[x]) \ - savageRasterPrimitive( ctx, x ) -#define RENDER_PRIMITIVE imesa->render_primitive -#define IND SAVAGE_FALLBACK_BIT -#define TAG(x) x -#include "tnl_dd/t_dd_unfilled.h" -#undef IND - - -/*********************************************************************** - * Generate GL render functions * - ***********************************************************************/ - - -#define IND (0) -#define TAG(x) x -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_OFFSET_BIT) -#define TAG(x) x##_offset -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT) -#define TAG(x) x##_twoside -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_OFFSET_BIT) -#define TAG(x) x##_twoside_offset -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_UNFILLED_BIT) -#define TAG(x) x##_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_OFFSET_BIT|SAVAGE_UNFILLED_BIT) -#define TAG(x) x##_offset_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_UNFILLED_BIT) -#define TAG(x) x##_twoside_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_OFFSET_BIT|SAVAGE_UNFILLED_BIT) -#define TAG(x) x##_twoside_offset_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_OFFSET_BIT|SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_offset_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_twoside_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_OFFSET_BIT|SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_twoside_offset_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_UNFILLED_BIT|SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_OFFSET_BIT|SAVAGE_UNFILLED_BIT|SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_offset_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_UNFILLED_BIT|SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_twoside_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (SAVAGE_TWOSIDE_BIT|SAVAGE_OFFSET_BIT|SAVAGE_UNFILLED_BIT| \ - SAVAGE_FALLBACK_BIT) -#define TAG(x) x##_twoside_offset_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - - -static void init_rast_tab( void ) -{ - init(); - init_offset(); - init_twoside(); - init_twoside_offset(); - init_unfilled(); - init_offset_unfilled(); - init_twoside_unfilled(); - init_twoside_offset_unfilled(); - init_fallback(); - init_offset_fallback(); - init_twoside_fallback(); - init_twoside_offset_fallback(); - init_unfilled_fallback(); - init_offset_unfilled_fallback(); - init_twoside_unfilled_fallback(); - init_twoside_offset_unfilled_fallback(); -} - - - -/*********************************************************************** - * Rasterization fallback helpers * - ***********************************************************************/ - - -/* This code is hit only when a mix of accelerated and unaccelerated - * primitives are being drawn, and only for the unaccelerated - * primitives. - */ -static void -savage_fallback_tri( savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1, - savageVertexPtr v2 ) -{ - GLcontext *ctx = imesa->glCtx; - SWvertex v[3]; - FLUSH_BATCH(imesa); - WAIT_IDLE_EMPTY(imesa); - _swsetup_Translate( ctx, v0, &v[0] ); - _swsetup_Translate( ctx, v1, &v[1] ); - _swsetup_Translate( ctx, v2, &v[2] ); - _swrast_Triangle( ctx, &v[0], &v[1], &v[2] ); -} - - -static void -savage_fallback_line( savageContextPtr imesa, - savageVertexPtr v0, - savageVertexPtr v1 ) -{ - GLcontext *ctx = imesa->glCtx; - SWvertex v[2]; - FLUSH_BATCH(imesa); - WAIT_IDLE_EMPTY(imesa); - _swsetup_Translate( ctx, v0, &v[0] ); - _swsetup_Translate( ctx, v1, &v[1] ); - _swrast_Line( ctx, &v[0], &v[1] ); -} - - -static void -savage_fallback_point( savageContextPtr imesa, - savageVertexPtr v0 ) -{ - GLcontext *ctx = imesa->glCtx; - SWvertex v[1]; - FLUSH_BATCH(imesa); - WAIT_IDLE_EMPTY(imesa); - _swsetup_Translate( ctx, v0, &v[0] ); - _swrast_Point( ctx, &v[0] ); -} - - - -/**********************************************************************/ -/* Render unclipped begin/end objects */ -/**********************************************************************/ - -#define VERT(x) (savageVertexPtr)(savageVerts + (x * vertsize * sizeof(int))) -#define RENDER_POINTS( start, count ) \ - for ( ; start < count ; start++) \ - savage_draw_point( imesa, VERT(start) ) -#define RENDER_LINE( v0, v1 ) \ - savage_draw_line( imesa, VERT(v0), VERT(v1) ) -#define RENDER_TRI( v0, v1, v2 ) \ - savage_draw_triangle( imesa, VERT(v0), VERT(v1), VERT(v2) ) -#define RENDER_QUAD( v0, v1, v2, v3 ) \ - savage_draw_quad( imesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) ) -#define INIT(x) do { \ - if (0) fprintf(stderr, "%s\n", __FUNCTION__); \ - savageRenderPrimitive( ctx, x ); \ - /*SAVAGE_CONTEXT(ctx)->render_primitive = x;*/ \ -} while (0) -#undef LOCAL_VARS -#define LOCAL_VARS \ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); \ - const GLuint vertsize = imesa->vertex_size; \ - const char *savageVerts = (char *)imesa->verts; \ - const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \ - (void) elt; -#define RESET_STIPPLE -#define RESET_OCCLUSION -#define PRESERVE_VB_DEFS -#define ELT(x) (x) -#define TAG(x) savage_##x##_verts -#include "tnl/t_vb_rendertmp.h" -#undef ELT -#undef TAG -#define TAG(x) savage_##x##_elts -#define ELT(x) elt[x] -#include "tnl/t_vb_rendertmp.h" - - -/**********************************************************************/ -/* Render clipped primitives */ -/**********************************************************************/ - -static void savageRenderClippedPoly( GLcontext *ctx, const GLuint *elts, - GLuint n ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - - /* Render the new vertices as an unclipped polygon. - */ - { - GLuint *tmp = VB->Elts; - VB->Elts = (GLuint *)elts; - tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END ); - VB->Elts = tmp; - } -} - -static void savageRenderClippedLine( GLcontext *ctx, GLuint ii, GLuint jj ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl->Driver.Render.Line( ctx, ii, jj ); -} -/* -static void savageFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts, - GLuint n ) -{ - r128ContextPtr rmesa = R128_CONTEXT( ctx ); - GLuint vertsize = rmesa->vertex_size; - GLuint *vb = r128AllocDmaLow( rmesa, (n-2) * 3 * 4 * vertsize ); - GLubyte *r128verts = (GLubyte *)rmesa->verts; - const GLuint shift = rmesa->vertex_stride_shift; - const GLuint *start = (const GLuint *)VERT(elts[0]); - int i,j; - - rmesa->num_verts += (n-2) * 3; - - for (i = 2 ; i < n ; i++) { - COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) start ); - COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) VERT(elts[i-1]) ); - COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) VERT(elts[i]) ); - } -} -*/ - - - -/**********************************************************************/ -/* Choose render functions */ -/**********************************************************************/ - -#define _SAVAGE_NEW_RENDER_STATE (_DD_NEW_LINE_STIPPLE | \ - _DD_NEW_LINE_SMOOTH | \ - _DD_NEW_POINT_SMOOTH | \ - _DD_NEW_TRI_STIPPLE | \ - _DD_NEW_TRI_SMOOTH | \ - _DD_NEW_TRI_UNFILLED | \ - _DD_NEW_TRI_LIGHT_TWOSIDE | \ - _DD_NEW_TRI_OFFSET) \ - -/* original driver didn't have DD_POINT_SMOOTH. really needed? */ -#define POINT_FALLBACK (DD_POINT_SMOOTH) -#define LINE_FALLBACK (DD_LINE_STIPPLE|DD_LINE_SMOOTH) -#define TRI_FALLBACK (DD_TRI_STIPPLE|DD_TRI_SMOOTH) -#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK) -#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED) - - -static void savageChooseRenderState(GLcontext *ctx) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLuint flags = ctx->_TriangleCaps; - GLuint index = 0; - - /* Hook in fallback functions for the ptex hack. Do this first, so - * that a real fallback will overwrite them with the respective - * savage_fallback_... function. - */ - if (imesa->ptexHack) { - /* Do textures make sense with points? */ - imesa->draw_point = savage_ptex_point; - imesa->draw_line = savage_ptex_line; - imesa->draw_tri = savage_ptex_tri; - index |= SAVAGE_FALLBACK_BIT; - } else { - imesa->draw_point = savage_draw_point; - imesa->draw_line = savage_draw_line; - imesa->draw_tri = savage_draw_triangle; - } - - if (flags & (ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS)) { - if (flags & ANY_RASTER_FLAGS) { - if (flags & DD_TRI_LIGHT_TWOSIDE) index |= SAVAGE_TWOSIDE_BIT; - if (flags & DD_TRI_OFFSET) index |= SAVAGE_OFFSET_BIT; - if (flags & DD_TRI_UNFILLED) index |= SAVAGE_UNFILLED_BIT; - } - - /* Hook in fallbacks for specific primitives. - */ - if (flags & ANY_FALLBACK_FLAGS) { - if (flags & POINT_FALLBACK) imesa->draw_point = savage_fallback_point; - if (flags & LINE_FALLBACK) imesa->draw_line = savage_fallback_line; - if (flags & TRI_FALLBACK) imesa->draw_tri = savage_fallback_tri; - index |= SAVAGE_FALLBACK_BIT; - if (SAVAGE_DEBUG & DEBUG_FALLBACKS) { - fprintf (stderr, "Per-primitive fallback, TriangleCaps=0x%x\n", - ctx->_TriangleCaps); - } - } - } - - if (index != imesa->RenderIndex) { - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl->Driver.Render.Points = rast_tab[index].points; - tnl->Driver.Render.Line = rast_tab[index].line; - tnl->Driver.Render.Triangle = rast_tab[index].triangle; - tnl->Driver.Render.Quad = rast_tab[index].quad; - - if (index == 0) { - tnl->Driver.Render.PrimTabVerts = savage_render_tab_verts; - tnl->Driver.Render.PrimTabElts = savage_render_tab_elts; - tnl->Driver.Render.ClippedLine = rast_tab[index].line; - tnl->Driver.Render.ClippedPolygon = savageRenderClippedPoly/*r128FastRenderClippedPoly*/; - } else { - tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; - tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; - tnl->Driver.Render.ClippedLine = savageRenderClippedLine; - tnl->Driver.Render.ClippedPolygon = savageRenderClippedPoly; - } - - imesa->RenderIndex = index; - } -} - -/**********************************************************************/ -/* Validate state at pipeline start */ -/**********************************************************************/ - -static void savageRunPipeline( GLcontext *ctx ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - - if (imesa->no_rast) - FALLBACK(ctx, SAVAGE_FALLBACK_NORAST, GL_TRUE); - - if (imesa->new_state) - savageDDUpdateHwState( ctx ); - - if (!imesa->Fallback) { - if (imesa->new_gl_state & _SAVAGE_NEW_RENDER_STATE) - savageChooseRenderState( ctx ); - - /* choose the correct primitive type for tnl rendering */ - if (imesa->savageScreen->chipset < S3_SAVAGE4 && - (ctx->_TriangleCaps & DD_FLATSHADE)) { - if (imesa->HwPrim != SAVAGE_PRIM_TRILIST_201) - savageFlushVertices(imesa); - imesa->HwPrim = SAVAGE_PRIM_TRILIST_201; - } else { - if (imesa->HwPrim != SAVAGE_PRIM_TRILIST) - savageFlushVertices(imesa); - imesa->HwPrim = SAVAGE_PRIM_TRILIST; - } - - imesa->new_gl_state = 0; - } - - _tnl_run_pipeline( ctx ); - - if (imesa->no_rast) - FALLBACK(ctx, SAVAGE_FALLBACK_NORAST, GL_FALSE); -} - -/**********************************************************************/ -/* High level hooks for t_vb_render.c */ -/**********************************************************************/ - -/* This is called when Mesa switches between rendering triangle - * primitives (such as GL_POLYGON, GL_QUADS, GL_TRIANGLE_STRIP, etc), - * and lines, points and bitmaps. - * - * As the r128 uses triangles to render lines and points, it is - * necessary to turn off hardware culling when rendering these - * primitives. - */ - -static void savageRasterPrimitive( GLcontext *ctx, GLuint prim ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); - - /* Update culling */ - if (imesa->raster_primitive != prim) { - imesa->raster_primitive = prim; - imesa->new_state |= SAVAGE_NEW_CULL; - savageDDUpdateHwState (ctx); - } - -#if 0 - if (ctx->Polygon.StippleFlag && mmesa->haveHwStipple) - { - mmesa->dirty |= MGA_UPLOAD_CONTEXT; - mmesa->setup.dwgctl &= ~(0xf<<20); - if (mmesa->raster_primitive == GL_TRIANGLES) - mmesa->setup.dwgctl |= mmesa->poly_stipple; - } -#endif -} - -static void savageRenderPrimitive( GLcontext *ctx, GLenum prim ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLuint rprim = reduced_prim[prim]; - - imesa->render_primitive = prim; - - if (rprim == GL_TRIANGLES && (ctx->_TriangleCaps & DD_TRI_UNFILLED)) - return; - - if (imesa->raster_primitive != rprim) { - savageRasterPrimitive( ctx, rprim ); - } -} - -/* Check if projective texture coordinates are used and if we can fake - * them. Fallback to swrast we can't. Returns GL_TRUE if projective - * texture coordinates must be faked, GL_FALSE otherwise. - */ -static GLboolean savageCheckPTexHack( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint index = tnl->render_inputs; - - if (index & _TNL_BIT_TEX(0) && VB->TexCoordPtr[0]->size == 4) { - if ((index & _TNL_BITS_TEX_ANY) == _TNL_BIT_TEX(0)) - return GL_TRUE; /* apply ptex hack */ - else - FALLBACK(ctx, SAVAGE_FALLBACK_PROJ_TEXTURE, GL_TRUE); - } - if ((index & _TNL_BIT_TEX(1)) && VB->TexCoordPtr[1]->size == 4) - FALLBACK(ctx, SAVAGE_FALLBACK_PROJ_TEXTURE, GL_TRUE); - - return GL_FALSE; /* don't apply ptex hack */ -} - - -#define DO_EMIT_ATTR( ATTR, STYLE ) \ -do { \ - imesa->vertex_attrs[imesa->vertex_attr_count].attrib = (ATTR); \ - imesa->vertex_attrs[imesa->vertex_attr_count].format = (STYLE); \ - imesa->vertex_attr_count++; \ -} while (0) - -#define NEED_ATTR( INDEX, SKIP ) \ -do { \ - setupIndex |= (INDEX); \ - skip &= ~(SKIP); \ -} while (0) - -#define EMIT_ATTR( ATTR, STYLE, INDEX, SKIP ) \ -do { \ - NEED_ATTR( INDEX, SKIP ); \ - DO_EMIT_ATTR( ATTR, STYLE ); \ -} while (0) - -#define EMIT_PAD( N ) \ -do { \ - imesa->vertex_attrs[imesa->vertex_attr_count].attrib = 0; \ - imesa->vertex_attrs[imesa->vertex_attr_count].format = EMIT_PAD; \ - imesa->vertex_attrs[imesa->vertex_attr_count].offset = (N); \ - imesa->vertex_attr_count++; \ -} while (0) - -#define SAVAGE_EMIT_XYZ 0x0001 -#define SAVAGE_EMIT_W 0x0002 -#define SAVAGE_EMIT_C0 0x0004 -#define SAVAGE_EMIT_C1 0x0008 -#define SAVAGE_EMIT_FOG 0x0010 -#define SAVAGE_EMIT_S0 0x0020 -#define SAVAGE_EMIT_T0 0x0040 -#define SAVAGE_EMIT_Q0 0x0080 -#define SAVAGE_EMIT_ST0 0x0060 -#define SAVAGE_EMIT_STQ0 0x00e0 -#define SAVAGE_EMIT_S1 0x0100 -#define SAVAGE_EMIT_T1 0x0200 -#define SAVAGE_EMIT_ST1 0x0300 - - -static __inline__ GLuint savageChooseVertexFormat_s3d( GLcontext *ctx ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint index = tnl->render_inputs; - GLuint setupIndex = SAVAGE_EMIT_XYZ; - GLubyte skip; - - imesa->vertex_attr_count = 0; - - skip = SAVAGE_SKIP_ALL_S3D; - skip &= ~SAVAGE_SKIP_Z; /* all mesa vertices have a z coordinate */ - - /* EMIT_ATTR's must be in order as they tell t_vertex.c how to - * build up a hardware vertex. - */ - if ((index & _TNL_BITS_TEX_ANY) || !(ctx->_TriangleCaps & DD_FLATSHADE)) - EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, SAVAGE_EMIT_W, SAVAGE_SKIP_W ); - else { - EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, 0, 0 ); - EMIT_PAD( 4 ); - skip &= ~SAVAGE_SKIP_W; - } - - /* t_context.c always includes a diffuse color */ - EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, SAVAGE_EMIT_C0, SAVAGE_SKIP_C0 ); - - if ((index & _TNL_BIT_COLOR1)) - EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, SAVAGE_EMIT_C1, SAVAGE_SKIP_C1 ); - else - EMIT_PAD( 3 ); - if ((index & _TNL_BIT_FOG)) - EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, SAVAGE_EMIT_FOG, SAVAGE_SKIP_C1 ); - else - EMIT_PAD( 1 ); - skip &= ~SAVAGE_SKIP_C1; - - if (index & _TNL_BIT_TEX(0)) { - if (imesa->ptexHack) - EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_3F_XYW, SAVAGE_EMIT_STQ0, SAVAGE_SKIP_ST0); - else if (VB->TexCoordPtr[0]->size == 4) - assert (0); /* should be caught by savageCheckPTexHack */ - else if (VB->TexCoordPtr[0]->size >= 2) - /* The chromium menu emits some 3D tex coords even though no - * 3D texture is enabled. Ignore the 3rd coordinate. */ - EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F, SAVAGE_EMIT_ST0, SAVAGE_SKIP_ST0 ); - else if (VB->TexCoordPtr[0]->size == 1) { - EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_1F, SAVAGE_EMIT_S0, SAVAGE_SKIP_S0 ); - EMIT_PAD( 4 ); - } else - EMIT_PAD( 8 ); - } else - EMIT_PAD( 8 ); - skip &= ~SAVAGE_SKIP_ST0; - - assert (skip == 0); - imesa->skip = skip; - return setupIndex; -} - - -static __inline__ GLuint savageChooseVertexFormat_s4( GLcontext *ctx ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint index = tnl->render_inputs; - GLuint setupIndex = SAVAGE_EMIT_XYZ; - GLubyte skip; - GLuint size, mask; - - skip = SAVAGE_SKIP_ALL_S4; - skip &= ~SAVAGE_SKIP_Z; /* all mesa vertices have a z coordinate */ - - if ((index & _TNL_BITS_TEX_ANY) || !(ctx->_TriangleCaps & DD_FLATSHADE)) - NEED_ATTR( SAVAGE_EMIT_W, SAVAGE_SKIP_W ); - - /* t_context.c always includes a diffuse color */ - NEED_ATTR( SAVAGE_EMIT_C0, SAVAGE_SKIP_C0 ); - - if (index & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) { - if ((index & _TNL_BIT_COLOR1)) - NEED_ATTR( SAVAGE_EMIT_C1, SAVAGE_SKIP_C1 ); - if ((index & _TNL_BIT_FOG)) - NEED_ATTR( SAVAGE_EMIT_FOG, SAVAGE_SKIP_C1 ); - } - - if (index & _TNL_BIT_TEX(0)) { - if (imesa->ptexHack) - NEED_ATTR( SAVAGE_EMIT_STQ0, SAVAGE_SKIP_ST0); - else if (VB->TexCoordPtr[0]->size == 4) - assert (0); /* should be caught by savageCheckPTexHack */ - else if (VB->TexCoordPtr[0]->size >= 2) - /* The chromium menu emits some 3D tex coords even though no - * 3D texture is enabled. Ignore the 3rd coordinate. */ - NEED_ATTR( SAVAGE_EMIT_ST0, SAVAGE_SKIP_ST0 ); - else - NEED_ATTR( SAVAGE_EMIT_S0, SAVAGE_SKIP_S0 ); - } - if (index & _TNL_BIT_TEX(1)) { - if (VB->TexCoordPtr[1]->size == 4) - /* projective textures are not supported by the hardware */ - assert (0); /* should be caught by savageCheckPTexHack */ - else if (VB->TexCoordPtr[1]->size >= 2) - NEED_ATTR( SAVAGE_EMIT_ST1, SAVAGE_SKIP_ST1 ); - else - NEED_ATTR( SAVAGE_EMIT_S1, SAVAGE_SKIP_S1 ); - } - - /* if nothing changed we can skip the rest */ - if (setupIndex == imesa->SetupIndex && imesa->vertex_size != 0) - return setupIndex; - - if (imesa->enable_vdma) { - mask = SAVAGE_SKIP_W; - size = 10 - (skip & 1) - (skip >> 1 & 1) - - (skip >> 2 & 1) - (skip >> 3 & 1) - (skip >> 4 & 1) - - (skip >> 5 & 1) - (skip >> 6 & 1) - (skip >> 7 & 1); - - while (size < 8) { - if (skip & mask) { - skip &= ~mask; - size++; - } - mask <<= 1; - } - } - - imesa->vertex_attr_count = 0; - - if (skip & SAVAGE_SKIP_W) - DO_EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT ); - else if (setupIndex & SAVAGE_EMIT_W) - DO_EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT ); - else { - DO_EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT ); - EMIT_PAD( 4 ); - } - - DO_EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA ); - - if (!(skip & SAVAGE_SKIP_C1)) { - if (!(setupIndex & (SAVAGE_EMIT_C1|SAVAGE_EMIT_FOG))) - EMIT_PAD( 4 ); - else { - if (setupIndex & SAVAGE_EMIT_C1) - DO_EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR ); - else - EMIT_PAD( 3 ); - if (setupIndex & SAVAGE_EMIT_FOG) - DO_EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F ); - else - EMIT_PAD( 1 ); - } - } - - if ((skip & SAVAGE_SKIP_ST0) != SAVAGE_SKIP_ST0) { - if ((setupIndex & SAVAGE_EMIT_STQ0) == SAVAGE_EMIT_STQ0) - DO_EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_3F_XYW ); - else if ((setupIndex & SAVAGE_EMIT_ST0) == SAVAGE_EMIT_ST0) - DO_EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F ); - else if ((setupIndex & SAVAGE_EMIT_ST0) == SAVAGE_EMIT_S0) { - DO_EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_1F ); - if (!(skip & SAVAGE_SKIP_T0)) EMIT_PAD( 4 ); - } else { - if (!(skip & SAVAGE_SKIP_S0)) EMIT_PAD( 4 ); - if (!(skip & SAVAGE_SKIP_T0)) EMIT_PAD( 4 ); - } - } - - if ((skip & SAVAGE_SKIP_ST1) != SAVAGE_SKIP_ST1) { - if ((setupIndex & SAVAGE_EMIT_ST1) == SAVAGE_EMIT_ST1) - DO_EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_2F ); - else if ((setupIndex & SAVAGE_EMIT_ST1) == SAVAGE_EMIT_S1) { - DO_EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_1F ); - if (!(skip & SAVAGE_SKIP_T1)) EMIT_PAD( 4 ); - } else { - if (!(skip & SAVAGE_SKIP_S1)) EMIT_PAD( 4 ); - if (!(skip & SAVAGE_SKIP_T1)) EMIT_PAD( 4 ); - } - } - - imesa->skip = skip; - return setupIndex; -} - - -static void savageRenderStart( GLcontext *ctx ) -{ - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint setupIndex = SAVAGE_EMIT_XYZ; - GLboolean ptexHack; - - /* Check if we need to apply the ptex hack. Choose a new render - * state if necessary. (Note: this can't be done in - * savageRunPipeline, since the number of vertex coordinates can - * change in the pipeline. texmat or texgen or both?) */ - ptexHack = savageCheckPTexHack( ctx ); - if (ptexHack != imesa->ptexHack) { - imesa->ptexHack = ptexHack; - savageChooseRenderState (ctx); - } - /* Handle fallback cases identified in savageCheckPTexHack. */ - if (SAVAGE_CONTEXT(ctx)->Fallback) { - tnl->Driver.Render.Start(ctx); - return; - } - - /* Important: - */ - VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; - - if (imesa->savageScreen->chipset < S3_SAVAGE4) { - setupIndex = savageChooseVertexFormat_s3d(ctx); - } else { - setupIndex = savageChooseVertexFormat_s4(ctx); - } - - /* Need to change the vertex emit code if the SetupIndex changed or - * is set for the first time (indicated by vertex_size == 0). */ - if (setupIndex != imesa->SetupIndex || imesa->vertex_size == 0) { - GLuint hwVertexSize; - imesa->vertex_size = - _tnl_install_attrs( ctx, - imesa->vertex_attrs, - imesa->vertex_attr_count, - imesa->hw_viewport, 0 ); - imesa->vertex_size >>= 2; - imesa->SetupIndex = setupIndex; - - hwVertexSize = imesa->vertex_size; - if (setupIndex & SAVAGE_EMIT_Q0) { - /* The vertex setup code emits homogenous texture - * coordinates. They are converted to normal 2D coords by - * savage_ptex_tri/line/point. Now we have two different - * vertex sizes. Functions that emit vertices to the hardware - * need to use HwVertexSize, anything that manipulates the - * vertices generated by t_vertex uses vertex_size. */ - hwVertexSize--; - assert (imesa->ptexHack); - } else - assert (!imesa->ptexHack); - - if (hwVertexSize != imesa->HwVertexSize) { - /* Changing the vertex size: flush vertex and command buffer and - * discard the DMA buffer, if we were using one. */ - savageFlushVertices(imesa); - savageFlushCmdBuf(imesa, GL_TRUE); - if (hwVertexSize == 8 && imesa->enable_vdma) { - if (SAVAGE_DEBUG & DEBUG_DMA) - fprintf (stderr, "Using DMA, skip=0x%02x\n", imesa->skip); - /* we can use vertex dma */ - imesa->vtxBuf = &imesa->dmaVtxBuf; - } else { - if (SAVAGE_DEBUG & DEBUG_DMA) - fprintf (stderr, "Not using DMA, skip=0x%02x\n", imesa->skip); - imesa->vtxBuf = &imesa->clientVtxBuf; - } - imesa->HwVertexSize = hwVertexSize; - } - } -} - -static void savageRenderFinish( GLcontext *ctx ) -{ - /* Flush the last primitive now, before any state is changed. */ - savageFlushVertices(SAVAGE_CONTEXT(ctx)); - - if (SAVAGE_CONTEXT(ctx)->RenderIndex & SAVAGE_FALLBACK_BIT) - _swrast_flush( ctx ); -} - - -/**********************************************************************/ -/* Transition to/from hardware rasterization. */ -/**********************************************************************/ - -static const char * const fallbackStrings[] = { - "Texture mode", - "Draw buffer", - "Read buffer", - "Color mask", - "Specular", - "LogicOp", - "glEnable(GL_STENCIL) without hw stencil buffer", - "glRenderMode(selection or feedback)", - "glBlendEquation", - "Hardware rasterization disabled", - "Projective texture", -}; - -void savageFallback( GLcontext *ctx, GLuint bit, GLboolean mode ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - savageContextPtr imesa = SAVAGE_CONTEXT(ctx); - GLuint oldfallback = imesa->Fallback; - GLuint index; - for (index = 0; (1 << index) < bit; ++index); - - if (mode) { - imesa->Fallback |= bit; - if (oldfallback == 0) { - /* the first fallback */ - _swsetup_Wakeup( ctx ); - imesa->RenderIndex = ~0; - } - if (!(oldfallback & bit) && (SAVAGE_DEBUG & DEBUG_FALLBACKS)) - fprintf (stderr, "Savage begin fallback: 0x%x %s\n", - bit, fallbackStrings[index]); - } - else { - imesa->Fallback &= ~bit; - if (oldfallback == bit) { - /* the last fallback */ - _swrast_flush( ctx ); - tnl->Driver.Render.Start = savageRenderStart; - tnl->Driver.Render.PrimitiveNotify = savageRenderPrimitive; - tnl->Driver.Render.Finish = savageRenderFinish; - - tnl->Driver.Render.BuildVertices = _tnl_build_vertices; - tnl->Driver.Render.CopyPV = _tnl_copy_pv; - tnl->Driver.Render.Interp = _tnl_interp; - - _tnl_invalidate_vertex_state( ctx, ~0 ); - _tnl_invalidate_vertices( ctx, ~0 ); - _tnl_install_attrs( ctx, - imesa->vertex_attrs, - imesa->vertex_attr_count, - imesa->hw_viewport, 0 ); - - imesa->new_gl_state |= _SAVAGE_NEW_RENDER_STATE; - } - if ((oldfallback & bit) && (SAVAGE_DEBUG & DEBUG_FALLBACKS)) - fprintf (stderr, "Savage end fallback: 0x%x %s\n", - bit, fallbackStrings[index]); - } -} - - -/**********************************************************************/ -/* Initialization. */ -/**********************************************************************/ - -void savageInitTriFuncs( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - static int firsttime = 1; - - if (firsttime) { - init_rast_tab(); - firsttime = 0; - } - - tnl->Driver.RunPipeline = savageRunPipeline; - tnl->Driver.Render.Start = savageRenderStart; - tnl->Driver.Render.Finish = savageRenderFinish; - tnl->Driver.Render.PrimitiveNotify = savageRenderPrimitive; - tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple; - - tnl->Driver.Render.BuildVertices = _tnl_build_vertices; - tnl->Driver.Render.CopyPV = _tnl_copy_pv; - tnl->Driver.Render.Interp = _tnl_interp; - - _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12, - (6 + 2*ctx->Const.MaxTextureUnits) * sizeof(GLfloat) ); - - SAVAGE_CONTEXT(ctx)->verts = (char *)tnl->clipspace.vertex_buf; -} |