diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_tris.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_tris.c | 1190 |
1 files changed, 0 insertions, 1190 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_tris.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_tris.c deleted file mode 100644 index 9cb88ae23..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_tris.c +++ /dev/null @@ -1,1190 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. 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 - * 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 - * VIA, S3 GRAPHICS, AND/OR ITS 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. - */ - -#include <stdio.h> -#include <math.h> - -#include "glheader.h" -#include "context.h" -#include "mtypes.h" -#include "macros.h" -#include "colormac.h" -#include "enums.h" - -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" - -#include "via_context.h" -#include "via_tris.h" -#include "via_state.h" -#include "via_span.h" -#include "via_ioctl.h" -#include "via_3d_reg.h" -#include "via_tex.h" - -/*********************************************************************** - * Emit primitives as inline vertices * - ***********************************************************************/ -#define LINE_FALLBACK (0) -#define POINT_FALLBACK (0) -#define TRI_FALLBACK (0) -#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK) -#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED) - - -#if 0 -#define COPY_DWORDS(vb, vertsize, v) \ -do { \ - via_sse_memcpy(vb, v, vertsize * 4); \ - vb += vertsize; \ -} while (0) -#else -#if defined( USE_X86_ASM ) -#define COPY_DWORDS(vb, vertsize, v) \ - do { \ - int j; \ - int __tmp; \ - __asm__ __volatile__("rep ; movsl" \ - : "=%c" (j), "=D" (vb), "=S" (__tmp) \ - : "0" (vertsize), \ - "D" ((long)vb), \ - "S" ((long)v)); \ - } while (0) -#else -#define COPY_DWORDS(vb, vertsize, v) \ - do { \ - int j; \ - for (j = 0; j < vertsize; j++) \ - vb[j] = ((GLuint *)v)[j]; \ - vb += vertsize; \ - } while (0) -#endif -#endif - -static void via_draw_triangle(struct via_context *vmesa, - viaVertexPtr v0, - viaVertexPtr v1, - viaVertexPtr v2) -{ - GLuint vertsize = vmesa->vertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 3 * 4 * vertsize); - - COPY_DWORDS(vb, vertsize, v0); - COPY_DWORDS(vb, vertsize, v1); - COPY_DWORDS(vb, vertsize, v2); -} - - -static void via_draw_quad(struct via_context *vmesa, - viaVertexPtr v0, - viaVertexPtr v1, - viaVertexPtr v2, - viaVertexPtr v3) -{ - GLuint vertsize = vmesa->vertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 6 * 4 * vertsize); - - COPY_DWORDS(vb, vertsize, v0); - COPY_DWORDS(vb, vertsize, v1); - COPY_DWORDS(vb, vertsize, v3); - COPY_DWORDS(vb, vertsize, v1); - COPY_DWORDS(vb, vertsize, v2); - COPY_DWORDS(vb, vertsize, v3); -} - -static void via_draw_line(struct via_context *vmesa, - viaVertexPtr v0, - viaVertexPtr v1) -{ - GLuint vertsize = vmesa->vertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 2 * 4 * vertsize); - COPY_DWORDS(vb, vertsize, v0); - COPY_DWORDS(vb, vertsize, v1); -} - - -static void via_draw_point(struct via_context *vmesa, - viaVertexPtr v0) -{ - GLuint vertsize = vmesa->vertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 4 * vertsize); - COPY_DWORDS(vb, vertsize, v0); -} - - -/* Fallback drawing functions for the ptex hack. - */ -#define PTEX_VERTEX( tmp, vertex_size, v) \ -do { \ - GLuint j; \ - GLfloat rhw = 1.0 / v->f[vertex_size]; \ - for ( j = 0 ; 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 via_ptex_tri (struct via_context *vmesa, - viaVertexPtr v0, - viaVertexPtr v1, - viaVertexPtr v2) -{ - GLuint vertsize = vmesa->hwVertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 3*4*vertsize); - viaVertex tmp; - - PTEX_VERTEX(tmp, vertsize, v0); COPY_DWORDS(vb, vertsize, &tmp); - PTEX_VERTEX(tmp, vertsize, v1); COPY_DWORDS(vb, vertsize, &tmp); - PTEX_VERTEX(tmp, vertsize, v2); COPY_DWORDS(vb, vertsize, &tmp); -} - -static void via_ptex_line (struct via_context *vmesa, - viaVertexPtr v0, - viaVertexPtr v1) -{ - GLuint vertsize = vmesa->hwVertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 2*4*vertsize); - viaVertex tmp; - - PTEX_VERTEX(tmp, vertsize, v0); COPY_DWORDS(vb, vertsize, &tmp); - PTEX_VERTEX(tmp, vertsize, v1); COPY_DWORDS(vb, vertsize, &tmp); -} - -static void via_ptex_point (struct via_context *vmesa, - viaVertexPtr v0) -{ - GLuint vertsize = vmesa->hwVertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, 1*4*vertsize); - viaVertex tmp; - - PTEX_VERTEX(tmp, vertsize, v0); COPY_DWORDS(vb, vertsize, &tmp); -} - - - - - -/*********************************************************************** - * Macros for via_dd_tritmp.h to draw basic primitives * - ***********************************************************************/ - -#define TRI(a, b, c) \ - do { \ - if (DO_FALLBACK) \ - vmesa->drawTri(vmesa, a, b, c); \ - else \ - via_draw_triangle(vmesa, a, b, c); \ - } while (0) - -#define QUAD(a, b, c, d) \ - do { \ - if (DO_FALLBACK) { \ - vmesa->drawTri(vmesa, a, b, d); \ - vmesa->drawTri(vmesa, b, c, d); \ - } \ - else \ - via_draw_quad(vmesa, a, b, c, d); \ - } while (0) - -#define LINE(v0, v1) \ - do { \ - if (DO_FALLBACK) \ - vmesa->drawLine(vmesa, v0, v1); \ - else \ - via_draw_line(vmesa, v0, v1); \ - } while (0) - -#define POINT(v0) \ - do { \ - if (DO_FALLBACK) \ - vmesa->drawPoint(vmesa, v0); \ - else \ - via_draw_point(vmesa, v0); \ - } while (0) - - -/*********************************************************************** - * Build render functions from dd templates * - ***********************************************************************/ - -#define VIA_OFFSET_BIT 0x01 -#define VIA_TWOSIDE_BIT 0x02 -#define VIA_UNFILLED_BIT 0x04 -#define VIA_FALLBACK_BIT 0x08 -#define VIA_MAX_TRIFUNC 0x10 - - -static struct { - tnl_points_func points; - tnl_line_func line; - tnl_triangle_func triangle; - tnl_quad_func quad; -} rast_tab[VIA_MAX_TRIFUNC + 1]; - - -#define DO_FALLBACK (IND & VIA_FALLBACK_BIT) -#define DO_OFFSET (IND & VIA_OFFSET_BIT) -#define DO_UNFILLED (IND & VIA_UNFILLED_BIT) -#define DO_TWOSIDE (IND & VIA_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 viaVertex -#define TAB rast_tab - -/* Only used to pull back colors into vertices (ie, we know color is - * floating point). - */ -#define VIA_COLOR(dst, src) \ - do { \ - dst[0] = src[2]; \ - dst[1] = src[1]; \ - dst[2] = src[0]; \ - dst[3] = src[3]; \ - } while (0) - -#define VIA_SPEC(dst, src) \ - do { \ - dst[0] = src[2]; \ - dst[1] = src[1]; \ - dst[2] = src[0]; \ - } while (0) - - -#define DEPTH_SCALE vmesa->polygon_offset_scale -#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) (vmesa->verts + (e * vmesa->vertexSize * sizeof(int))) - -#define VERT_SET_RGBA( v, c ) \ -do { \ - via_color_t *color = (via_color_t *)&((v)->ui[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_SET_SPEC( v, c ) \ -do { \ - if (specoffset) { \ - via_color_t *color = (via_color_t *)&((v)->ui[specoffset]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \ - UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \ - } \ -} while (0) -#define VERT_COPY_SPEC( v0, v1 ) \ -do { \ - if (specoffset) { \ - v0->ub4[specoffset][0] = v1->ub4[specoffset][0]; \ - v0->ub4[specoffset][1] = v1->ub4[specoffset][1]; \ - v0->ub4[specoffset][2] = v1->ub4[specoffset][2]; \ - } \ -} while (0) - - -#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset] -#define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx] -#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) \ - struct via_context *vmesa = VIA_CONTEXT(ctx); \ - GLuint color[n], spec[n]; \ - GLuint coloroffset = vmesa->coloroffset; \ - GLuint specoffset = vmesa->specoffset; \ - (void)color; (void)spec; (void)coloroffset; (void)specoffset; - - -/*********************************************************************** - * Helpers for rendering unfilled primitives * - ***********************************************************************/ - -static const GLenum hwPrim[GL_POLYGON + 2] = { - GL_POINTS, - GL_LINES, - GL_LINES, - GL_LINES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_TRIANGLES, - GL_POLYGON+1 -}; - - -#define RASTERIZE(x) viaRasterPrimitive( ctx, x, hwPrim[x] ) -#define RENDER_PRIMITIVE vmesa->renderPrimitive -#define TAG(x) x -#define IND VIA_FALLBACK_BIT -#include "tnl_dd/t_dd_unfilled.h" -#undef IND -#undef RASTERIZE - -/*********************************************************************** - * Generate GL render functions * - ***********************************************************************/ -#define RASTERIZE(x) - -#define IND (0) -#define TAG(x) x -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_OFFSET_BIT) -#define TAG(x) x##_offset -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT) -#define TAG(x) x##_twoside -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_OFFSET_BIT) -#define TAG(x) x##_twoside_offset -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_UNFILLED_BIT) -#define TAG(x) x##_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_OFFSET_BIT|VIA_UNFILLED_BIT) -#define TAG(x) x##_offset_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_UNFILLED_BIT) -#define TAG(x) x##_twoside_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_OFFSET_BIT|VIA_UNFILLED_BIT) -#define TAG(x) x##_twoside_offset_unfilled -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_FALLBACK_BIT) -#define TAG(x) x##_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_OFFSET_BIT|VIA_FALLBACK_BIT) -#define TAG(x) x##_offset_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_FALLBACK_BIT) -#define TAG(x) x##_twoside_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_OFFSET_BIT|VIA_FALLBACK_BIT) -#define TAG(x) x##_twoside_offset_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_UNFILLED_BIT|VIA_FALLBACK_BIT) -#define TAG(x) x##_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_OFFSET_BIT|VIA_UNFILLED_BIT|VIA_FALLBACK_BIT) -#define TAG(x) x##_offset_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_UNFILLED_BIT|VIA_FALLBACK_BIT) -#define TAG(x) x##_twoside_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - -#define IND (VIA_TWOSIDE_BIT|VIA_OFFSET_BIT|VIA_UNFILLED_BIT| \ - VIA_FALLBACK_BIT) -#define TAG(x) x##_twoside_offset_unfilled_fallback -#include "tnl_dd/t_dd_tritmp.h" - - -/* Catchall case for flat, separate specular triangles (via has flat - * diffuse shading, but always does specular color with gouraud). - */ -#undef DO_FALLBACK -#undef DO_OFFSET -#undef DO_UNFILLED -#undef DO_TWOSIDE -#undef DO_FLAT -#define DO_FALLBACK (0) -#define DO_OFFSET (ctx->_TriangleCaps & DD_TRI_OFFSET) -#define DO_UNFILLED (ctx->_TriangleCaps & DD_TRI_UNFILLED) -#define DO_TWOSIDE (ctx->_TriangleCaps & DD_TRI_LIGHT_TWOSIDE) -#define DO_FLAT 1 -#define TAG(x) x##_flat_specular -#define IND VIA_MAX_TRIFUNC -#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(); - - init_flat_specular(); /* special! */ -} - - -/*********************************************************************** - * 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 -via_fallback_tri(struct via_context *vmesa, - viaVertex *v0, - viaVertex *v1, - viaVertex *v2) -{ - GLcontext *ctx = vmesa->glCtx; - SWvertex v[3]; - _swsetup_Translate(ctx, v0, &v[0]); - _swsetup_Translate(ctx, v1, &v[1]); - _swsetup_Translate(ctx, v2, &v[2]); - viaSpanRenderStart( ctx ); - _swrast_Triangle(ctx, &v[0], &v[1], &v[2]); - viaSpanRenderFinish( ctx ); -} - - -static void -via_fallback_line(struct via_context *vmesa, - viaVertex *v0, - viaVertex *v1) -{ - GLcontext *ctx = vmesa->glCtx; - SWvertex v[2]; - _swsetup_Translate(ctx, v0, &v[0]); - _swsetup_Translate(ctx, v1, &v[1]); - viaSpanRenderStart( ctx ); - _swrast_Line(ctx, &v[0], &v[1]); - viaSpanRenderFinish( ctx ); -} - - -static void -via_fallback_point(struct via_context *vmesa, - viaVertex *v0) -{ - GLcontext *ctx = vmesa->glCtx; - SWvertex v[1]; - _swsetup_Translate(ctx, v0, &v[0]); - viaSpanRenderStart( ctx ); - _swrast_Point(ctx, &v[0]); - viaSpanRenderFinish( ctx ); -} - -static void viaResetLineStipple( GLcontext *ctx ) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - vmesa->regCmdB |= HC_HLPrst_MASK; -} - -/**********************************************************************/ -/* Render unclipped begin/end objects */ -/**********************************************************************/ -#define IND 0 -#define V(x) (viaVertex *)(vertptr + ((x) * vertsize * sizeof(int))) -#define RENDER_POINTS(start, count) \ - for (; start < count; start++) POINT(V(ELT(start))); -#define RENDER_LINE(v0, v1) LINE(V(v0), V(v1)) -#define RENDER_TRI( v0, v1, v2) TRI( V(v0), V(v1), V(v2)) -#define RENDER_QUAD(v0, v1, v2, v3) QUAD(V(v0), V(v1), V(v2), V(v3)) -#define INIT(x) viaRasterPrimitive(ctx, x, hwPrim[x]) -#undef LOCAL_VARS -#define LOCAL_VARS \ - struct via_context *vmesa = VIA_CONTEXT(ctx); \ - GLubyte *vertptr = (GLubyte *)vmesa->verts; \ - const GLuint vertsize = vmesa->vertexSize; \ - const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \ - const GLboolean stipple = ctx->Line.StippleFlag; \ - (void) elt; (void) stipple; -#define RESET_STIPPLE if ( stipple ) viaResetLineStipple( ctx ); -#define RESET_OCCLUSION -#define PRESERVE_VB_DEFS -#define ELT(x) x -#define TAG(x) via_##x##_verts -#include "tnl/t_vb_rendertmp.h" -#undef ELT -#undef TAG -#define TAG(x) via_##x##_elts -#define ELT(x) elt[x] -#include "tnl/t_vb_rendertmp.h" -#undef ELT -#undef TAG -#undef NEED_EDGEFLAG_SETUP -#undef EDGEFLAG_GET -#undef EDGEFLAG_SET -#undef RESET_OCCLUSION - - -/**********************************************************************/ -/* Render clipped primitives */ -/**********************************************************************/ - - - -static void viaRenderClippedPoly(GLcontext *ctx, const GLuint *elts, - GLuint n) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLuint prim = VIA_CONTEXT(ctx)->renderPrimitive; - - /* 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; - } - - /* Restore the render primitive - */ - if (prim != GL_POLYGON && - prim != GL_POLYGON + 1) - tnl->Driver.Render.PrimitiveNotify( ctx, prim ); -} - -static void viaRenderClippedLine(GLcontext *ctx, GLuint ii, GLuint jj) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - tnl->Driver.Render.Line(ctx, ii, jj); -} - -static void viaFastRenderClippedPoly(GLcontext *ctx, const GLuint *elts, - GLuint n) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - GLuint vertsize = vmesa->vertexSize; - GLuint *vb = viaExtendPrimitive(vmesa, (n - 2) * 3 * 4 * vertsize); - GLubyte *vertptr = (GLubyte *)vmesa->verts; - const GLuint *start = (const GLuint *)V(elts[0]); - int i; - - for (i = 2; i < n; i++) { - COPY_DWORDS(vb, vertsize, V(elts[i - 1])); - COPY_DWORDS(vb, vertsize, V(elts[i])); - COPY_DWORDS(vb, vertsize, start); - } -} - -/**********************************************************************/ -/* Choose render functions */ -/**********************************************************************/ - - - - -#define _VIA_NEW_VERTEX (_NEW_TEXTURE | \ - _DD_NEW_SEPARATE_SPECULAR | \ - _DD_NEW_TRI_UNFILLED | \ - _DD_NEW_TRI_LIGHT_TWOSIDE | \ - _NEW_FOG) - -#define _VIA_NEW_RENDERSTATE (_DD_NEW_LINE_STIPPLE | \ - _DD_NEW_TRI_UNFILLED | \ - _DD_NEW_TRI_LIGHT_TWOSIDE | \ - _DD_NEW_TRI_OFFSET | \ - _DD_NEW_TRI_STIPPLE | \ - _NEW_POLYGONSTIPPLE) - - -static void viaChooseRenderState(GLcontext *ctx) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct via_context *vmesa = VIA_CONTEXT(ctx); - GLuint flags = ctx->_TriangleCaps; - GLuint index = 0; - - if (vmesa->ptexHack) { - vmesa->drawPoint = via_ptex_point; - vmesa->drawLine = via_ptex_line; - vmesa->drawTri = via_ptex_tri; - index |= VIA_FALLBACK_BIT; - } - else { - vmesa->drawPoint = via_draw_point; - vmesa->drawLine = via_draw_line; - vmesa->drawTri = via_draw_triangle; - } - - if (flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) { - if (flags & DD_TRI_LIGHT_TWOSIDE) index |= VIA_TWOSIDE_BIT; - if (flags & DD_TRI_OFFSET) index |= VIA_OFFSET_BIT; - if (flags & DD_TRI_UNFILLED) index |= VIA_UNFILLED_BIT; - if (flags & ANY_FALLBACK_FLAGS) index |= VIA_FALLBACK_BIT; - - /* Hook in fallbacks for specific primitives. - */ - if (flags & POINT_FALLBACK) - vmesa->drawPoint = via_fallback_point; - - if (flags & LINE_FALLBACK) - vmesa->drawLine = via_fallback_line; - - if (flags & TRI_FALLBACK) - vmesa->drawTri = via_fallback_tri; - } - - - if ((flags & DD_SEPARATE_SPECULAR) && - ctx->Light.ShadeModel == GL_FLAT) { - index = VIA_MAX_TRIFUNC; /* flat specular */ - } - - if (vmesa->renderIndex != index) { - vmesa->renderIndex = index; - - 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 = via_render_tab_verts; - tnl->Driver.Render.PrimTabElts = via_render_tab_elts; - tnl->Driver.Render.ClippedLine = line; /* from tritmp.h */ - tnl->Driver.Render.ClippedPolygon = viaFastRenderClippedPoly; - } - else { - tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; - tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; - tnl->Driver.Render.ClippedLine = viaRenderClippedLine; - tnl->Driver.Render.ClippedPolygon = viaRenderClippedPoly; - } - } -} - - -#define VIA_EMIT_TEX1 0x01 -#define VIA_EMIT_TEX0 0x02 -#define VIA_EMIT_PTEX0 0x04 -#define VIA_EMIT_RGBA 0x08 -#define VIA_EMIT_SPEC 0x10 -#define VIA_EMIT_FOG 0x20 -#define VIA_EMIT_W 0x40 - -#define EMIT_ATTR( ATTR, STYLE, INDEX, REGB ) \ -do { \ - vmesa->vertex_attrs[vmesa->vertex_attr_count].attrib = (ATTR); \ - vmesa->vertex_attrs[vmesa->vertex_attr_count].format = (STYLE); \ - vmesa->vertex_attr_count++; \ - setupIndex |= (INDEX); \ - regCmdB |= (REGB); \ -} while (0) - -#define EMIT_PAD( N ) \ -do { \ - vmesa->vertex_attrs[vmesa->vertex_attr_count].attrib = 0; \ - vmesa->vertex_attrs[vmesa->vertex_attr_count].format = EMIT_PAD; \ - vmesa->vertex_attrs[vmesa->vertex_attr_count].offset = (N); \ - vmesa->vertex_attr_count++; \ -} while (0) - - - -static void viaChooseVertexState( GLcontext *ctx ) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint index = tnl->render_inputs; - GLuint regCmdB = HC_HVPMSK_X | HC_HVPMSK_Y | HC_HVPMSK_Z; - GLuint setupIndex = 0; - - vmesa->vertex_attr_count = 0; - - /* 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|_TNL_BIT_FOG)) { - EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, VIA_EMIT_W, HC_HVPMSK_W ); - vmesa->coloroffset = 4; - } - else { - EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, 0, 0 ); - vmesa->coloroffset = 3; - } - - /* t_context.c always includes a diffuse color */ - EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, VIA_EMIT_RGBA, - HC_HVPMSK_Cd ); - - vmesa->specoffset = 0; - if (index & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) { - if ((index & _TNL_BIT_COLOR1)) { - vmesa->specoffset = vmesa->coloroffset + 1; - EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, VIA_EMIT_SPEC, - HC_HVPMSK_Cs ); - } - else - EMIT_PAD( 3 ); - - if ((index & _TNL_BIT_FOG)) - EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, VIA_EMIT_FOG, HC_HVPMSK_Cs ); - else - EMIT_PAD( 1 ); - } - - if (index & _TNL_BIT_TEX(0)) { - if (vmesa->ptexHack) - EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_3F_XYW, VIA_EMIT_PTEX0, - (HC_HVPMSK_S | HC_HVPMSK_T) ); - else - EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F, VIA_EMIT_TEX0, - (HC_HVPMSK_S | HC_HVPMSK_T) ); - } - - if (index & _TNL_BIT_TEX(1)) { - EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_2F, VIA_EMIT_TEX1, - (HC_HVPMSK_S | HC_HVPMSK_T) ); - } - - if (setupIndex != vmesa->setupIndex) { - vmesa->vertexSize = _tnl_install_attrs( ctx, - vmesa->vertex_attrs, - vmesa->vertex_attr_count, - vmesa->ViewportMatrix.m, 0 ); - vmesa->vertexSize >>= 2; - vmesa->setupIndex = setupIndex; - vmesa->regCmdB &= ~HC_HVPMSK_MASK; - vmesa->regCmdB |= regCmdB; - - if (vmesa->ptexHack) - vmesa->hwVertexSize = vmesa->vertexSize - 1; - else - vmesa->hwVertexSize = vmesa->vertexSize; - } -} - - - - -/* Check if projective texture coordinates are used and if we can fake - * them. Fallback to swrast if we can't. Returns GL_TRUE if projective - * texture coordinates must be faked, GL_FALSE otherwise. - */ -static GLboolean viaCheckPTexHack( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLuint index = tnl->render_inputs; - GLboolean fallback = GL_FALSE; - GLboolean ptexHack = GL_FALSE; - - if (index & _TNL_BIT_TEX(0) && VB->TexCoordPtr[0]->size == 4) { - if ((index & _TNL_BITS_TEX_ANY) == _TNL_BIT_TEX(0)) - ptexHack = GL_TRUE; - else - fallback = GL_TRUE; - } - if ((index & _TNL_BIT_TEX(1)) && VB->TexCoordPtr[1]->size == 4) - fallback = GL_TRUE; - - FALLBACK(VIA_CONTEXT(ctx), VIA_FALLBACK_PROJ_TEXTURE, fallback); - return ptexHack; -} - - - - -/**********************************************************************/ -/* High level hooks for t_vb_render.c */ -/**********************************************************************/ - - -static void viaRenderStart(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - - { - GLboolean ptexHack = viaCheckPTexHack( ctx ); - if (ptexHack != vmesa->ptexHack) { - vmesa->ptexHack = ptexHack; - vmesa->newRenderState |= _VIA_NEW_RENDERSTATE; - } - } - - if (vmesa->newState) { - vmesa->newRenderState |= vmesa->newState; - viaValidateState( ctx ); - } - - if (vmesa->Fallback) { - tnl->Driver.Render.Start(ctx); - return; - } - - if (vmesa->newRenderState) { - viaChooseVertexState(ctx); - viaChooseRenderState(ctx); - vmesa->newRenderState = 0; - } - - /* Important: - */ - VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; -} - -static void viaRenderFinish(GLcontext *ctx) -{ - VIA_FINISH_PRIM(VIA_CONTEXT(ctx)); -} - - -/* System to flush dma and emit state changes based on the rasterized - * primitive. - */ -void viaRasterPrimitive(GLcontext *ctx, - GLenum glprim, - GLenum hwprim) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - GLuint regCmdB; - RING_VARS; - - if (VIA_DEBUG & DEBUG_PRIMS) - fprintf(stderr, "%s: %s/%s/%s\n", - __FUNCTION__, _mesa_lookup_enum_by_nr(glprim), - _mesa_lookup_enum_by_nr(hwprim), - _mesa_lookup_enum_by_nr(ctx->Light.ShadeModel)); - - assert (!vmesa->newState); - - vmesa->renderPrimitive = glprim; - - if (hwprim != vmesa->hwPrimitive || - ctx->Light.ShadeModel != vmesa->hwShadeModel) { - - VIA_FINISH_PRIM(vmesa); - - /* Ensure no wrapping inside this function */ - viaCheckDma( vmesa, 1024 ); - - if (vmesa->newEmitState) { - viaEmitState(vmesa); - } - - vmesa->regCmdA_End = HC_ACMD_HCmdA; - - if (ctx->Light.ShadeModel == GL_SMOOTH) { - vmesa->regCmdA_End |= HC_HShading_Gouraud; - } - - vmesa->hwShadeModel = ctx->Light.ShadeModel; - regCmdB = vmesa->regCmdB; - - switch (hwprim) { - case GL_POINTS: - vmesa->regCmdA_End |= HC_HPMType_Point | HC_HVCycle_Full; - vmesa->regCmdA_End |= HC_HShading_Gouraud; /* always Gouraud - shade points?!? */ - break; - case GL_LINES: - vmesa->regCmdA_End |= HC_HPMType_Line | HC_HVCycle_Full; - regCmdB |= HC_HLPrst_MASK; - if (ctx->Light.ShadeModel == GL_FLAT) - vmesa->regCmdA_End |= HC_HShading_FlatB; - break; - case GL_LINE_LOOP: - case GL_LINE_STRIP: - vmesa->regCmdA_End |= HC_HPMType_Line | HC_HVCycle_AFP | - HC_HVCycle_AB | HC_HVCycle_NewB; - regCmdB |= HC_HVCycle_AB | HC_HVCycle_NewB | HC_HLPrst_MASK; - if (ctx->Light.ShadeModel == GL_FLAT) - vmesa->regCmdA_End |= HC_HShading_FlatB; - break; - case GL_TRIANGLES: - vmesa->regCmdA_End |= HC_HPMType_Tri | HC_HVCycle_Full; - if (ctx->Light.ShadeModel == GL_FLAT) - vmesa->regCmdA_End |= HC_HShading_FlatC; - break; - case GL_TRIANGLE_STRIP: - vmesa->regCmdA_End |= HC_HPMType_Tri | HC_HVCycle_AFP | - HC_HVCycle_AC | HC_HVCycle_BB | HC_HVCycle_NewC; - regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC; - if (ctx->Light.ShadeModel == GL_FLAT) - vmesa->regCmdA_End |= HC_HShading_FlatC; - break; - case GL_TRIANGLE_FAN: - vmesa->regCmdA_End |= HC_HPMType_Tri | HC_HVCycle_AFP | - HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC; - regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC; - if (ctx->Light.ShadeModel == GL_FLAT) - vmesa->regCmdA_End |= HC_HShading_FlatC; - break; - case GL_QUADS: - abort(); - return; - case GL_QUAD_STRIP: - abort(); - return; - case GL_POLYGON: - vmesa->regCmdA_End |= HC_HPMType_Tri | HC_HVCycle_AFP | - HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC; - regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC; - if (ctx->Light.ShadeModel == GL_FLAT) - vmesa->regCmdA_End |= HC_HShading_FlatC; - break; - default: - abort(); - return; - } - -/* assert((vmesa->dmaLow & 0x4) == 0); */ - - if (vmesa->dmaCliprectAddr == ~0) { - if (VIA_DEBUG & DEBUG_DMA) - fprintf(stderr, "reserve cliprect space at %x\n", vmesa->dmaLow); - vmesa->dmaCliprectAddr = vmesa->dmaLow; - BEGIN_RING(8); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( 0xCCCCCCCC ); - OUT_RING( 0xCCCCCCCC ); - OUT_RING( 0xCCCCCCCC ); - OUT_RING( 0xCCCCCCCC ); - OUT_RING( 0xCCCCCCCC ); - OUT_RING( 0xCCCCCCCC ); - ADVANCE_RING(); - } - - assert(vmesa->dmaLastPrim == 0); - - BEGIN_RING(8); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( 0xCCCCCCCC ); - OUT_RING( 0xDDDDDDDD ); - - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_CmdVdata << 16) ); - OUT_RING( regCmdB ); - OUT_RING( vmesa->regCmdA_End ); - ADVANCE_RING(); - - vmesa->hwPrimitive = hwprim; - vmesa->dmaLastPrim = vmesa->dmaLow; - } - else { - assert(!vmesa->newEmitState); - } -} - -/* Callback for mesa: - */ -static void viaRenderPrimitive( GLcontext *ctx, GLuint prim ) -{ - viaRasterPrimitive( ctx, prim, hwPrim[prim] ); -} - - -void viaFinishPrimitive(struct via_context *vmesa) -{ - if (VIA_DEBUG & (DEBUG_DMA|DEBUG_PRIMS)) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (!vmesa->dmaLastPrim || vmesa->dmaCliprectAddr == ~0) { - assert(0); - } - else if (vmesa->dmaLow != vmesa->dmaLastPrim) { - GLuint cmdA = (vmesa->regCmdA_End | HC_HPLEND_MASK | - HC_HPMValidN_MASK | HC_HE3Fire_MASK); - RING_VARS; - - vmesa->dmaLastPrim = 0; - - /* KW: modified 0x1 to 0x4 below: - */ - if ((vmesa->dmaLow & 0x4) || !vmesa->useAgp) { - BEGIN_RING_NOCHECK( 1 ); - OUT_RING( cmdA ); - ADVANCE_RING(); - } - else { - BEGIN_RING_NOCHECK( 2 ); - OUT_RING( cmdA ); - OUT_RING( cmdA ); - ADVANCE_RING(); - } - - if (vmesa->dmaLow > VIA_DMA_HIGHWATER) - viaFlushDma( vmesa ); - } - else { - if (VIA_DEBUG & (DEBUG_DMA|DEBUG_PRIMS)) - fprintf(stderr, "remove empty primitive\n"); - - /* Remove the primitive header: - */ - vmesa->dmaLastPrim = 0; - vmesa->dmaLow -= 8 * sizeof(GLuint); - - /* Maybe remove the cliprect as well: - */ - if (vmesa->dmaCliprectAddr == vmesa->dmaLow - 8 * sizeof(GLuint)) { - vmesa->dmaLow -= 8 * sizeof(GLuint); - vmesa->dmaCliprectAddr = ~0; - } - } - - vmesa->renderPrimitive = GL_POLYGON + 1; - vmesa->hwPrimitive = GL_POLYGON + 1; - vmesa->dmaLastPrim = 0; -} - - -/**********************************************************************/ -/* Transition to/from hardware rasterization. */ -/**********************************************************************/ - - -void viaFallback(struct via_context *vmesa, GLuint bit, GLboolean mode) -{ - GLcontext *ctx = vmesa->glCtx; - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint oldfallback = vmesa->Fallback; - - if (mode) { - vmesa->Fallback |= bit; - if (oldfallback == 0) { - VIA_FLUSH_DMA(vmesa); - - if (VIA_DEBUG & DEBUG_FALLBACKS) - fprintf(stderr, "ENTER FALLBACK %x\n", bit); - - _swsetup_Wakeup(ctx); - vmesa->renderIndex = ~0; - } - } - else { - vmesa->Fallback &= ~bit; - if (oldfallback == bit) { - _swrast_flush( ctx ); - - if (VIA_DEBUG & DEBUG_FALLBACKS) - fprintf(stderr, "LEAVE FALLBACK %x\n", bit); - - tnl->Driver.Render.Start = viaRenderStart; - tnl->Driver.Render.PrimitiveNotify = viaRenderPrimitive; - tnl->Driver.Render.Finish = viaRenderFinish; - - tnl->Driver.Render.BuildVertices = _tnl_build_vertices; - tnl->Driver.Render.CopyPV = _tnl_copy_pv; - tnl->Driver.Render.Interp = _tnl_interp; - tnl->Driver.Render.ResetLineStipple = viaResetLineStipple; - - _tnl_invalidate_vertex_state( ctx, ~0 ); - _tnl_invalidate_vertices( ctx, ~0 ); - _tnl_install_attrs( ctx, - vmesa->vertex_attrs, - vmesa->vertex_attr_count, - vmesa->ViewportMatrix.m, 0 ); - - vmesa->newState |= (_VIA_NEW_RENDERSTATE|_VIA_NEW_VERTEX); - } - } -} - -static void viaRunPipeline( GLcontext *ctx ) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (vmesa->newState) { - vmesa->newRenderState |= vmesa->newState; - viaValidateState( ctx ); - } - - _tnl_run_pipeline( ctx ); -} - - -/**********************************************************************/ -/* Initialization. */ -/**********************************************************************/ - - -void viaInitTriFuncs(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - TNLcontext *tnl = TNL_CONTEXT(ctx); - static int firsttime = 1; - - if (firsttime) { - init_rast_tab(); - firsttime = 0; - } - - tnl->Driver.RunPipeline = viaRunPipeline; - tnl->Driver.Render.Start = viaRenderStart; - tnl->Driver.Render.Finish = viaRenderFinish; - tnl->Driver.Render.PrimitiveNotify = viaRenderPrimitive; - tnl->Driver.Render.ResetLineStipple = viaResetLineStipple; - 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) ); - - vmesa->verts = (GLubyte *)tnl->clipspace.vertex_buf; - -} |