diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_triangle.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_triangle.c | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_triangle.c b/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_triangle.c deleted file mode 100644 index d37bdf71c..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_triangle.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.1 - * - * Copyright (C) 1999-2004 Brian Paul 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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 <keith@tungstengraphics.com> - */ - -#include "glheader.h" -#include "colormac.h" -#include "macros.h" -#include "mtypes.h" - -#include "tnl/t_context.h" - -#include "ss_triangle.h" -#include "ss_context.h" - -#define SS_RGBA_BIT 0x1 -#define SS_OFFSET_BIT 0x2 -#define SS_TWOSIDE_BIT 0x4 -#define SS_UNFILLED_BIT 0x8 -#define SS_MAX_TRIFUNC 0x10 - -static tnl_triangle_func tri_tab[SS_MAX_TRIFUNC]; -static tnl_quad_func quad_tab[SS_MAX_TRIFUNC]; - - -static void _swsetup_render_line_tri( GLcontext *ctx, - GLuint e0, GLuint e1, GLuint e2, - GLuint facing ) -{ - SScontext *swsetup = SWSETUP_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLubyte *ef = VB->EdgeFlag; - SWvertex *verts = swsetup->verts; - SWvertex *v0 = &verts[e0]; - SWvertex *v1 = &verts[e1]; - SWvertex *v2 = &verts[e2]; - GLchan c[2][4]; - GLchan s[2][4]; - GLfloat i[2]; - - /* cull testing */ - if (ctx->Polygon.CullFlag) { - if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT) - return; - if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK) - return; - } - - if (ctx->Light.ShadeModel == GL_FLAT) { - COPY_CHAN4(c[0], v0->color); - COPY_CHAN4(c[1], v1->color); - COPY_CHAN4(s[0], v0->specular); - COPY_CHAN4(s[1], v1->specular); - i[0] = v0->index; - i[1] = v1->index; - - COPY_CHAN4(v0->color, v2->color); - COPY_CHAN4(v1->color, v2->color); - COPY_CHAN4(v0->specular, v2->specular); - COPY_CHAN4(v1->specular, v2->specular); - v0->index = v2->index; - v1->index = v2->index; - } - - if (swsetup->render_prim == GL_POLYGON) { - if (ef[e2]) _swrast_Line( ctx, v2, v0 ); - if (ef[e0]) _swrast_Line( ctx, v0, v1 ); - if (ef[e1]) _swrast_Line( ctx, v1, v2 ); - } else { - if (ef[e0]) _swrast_Line( ctx, v0, v1 ); - if (ef[e1]) _swrast_Line( ctx, v1, v2 ); - if (ef[e2]) _swrast_Line( ctx, v2, v0 ); - } - - if (ctx->Light.ShadeModel == GL_FLAT) { - COPY_CHAN4(v0->color, c[0]); - COPY_CHAN4(v1->color, c[1]); - COPY_CHAN4(v0->specular, s[0]); - COPY_CHAN4(v1->specular, s[1]); - v0->index = i[0]; - v1->index = i[1]; - } -} - -static void _swsetup_render_point_tri( GLcontext *ctx, - GLuint e0, GLuint e1, GLuint e2, - GLuint facing ) -{ - SScontext *swsetup = SWSETUP_CONTEXT(ctx); - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - GLubyte *ef = VB->EdgeFlag; - SWvertex *verts = swsetup->verts; - SWvertex *v0 = &verts[e0]; - SWvertex *v1 = &verts[e1]; - SWvertex *v2 = &verts[e2]; - GLchan c[2][4]; - GLchan s[2][4]; - GLfloat i[2]; - - /* cull testing */ - if (ctx->Polygon.CullFlag) { - if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT) - return; - if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK) - return; - } - - if (ctx->Light.ShadeModel == GL_FLAT) { - /* save colors/indexes for v0, v1 vertices */ - COPY_CHAN4(c[0], v0->color); - COPY_CHAN4(c[1], v1->color); - COPY_CHAN4(s[0], v0->specular); - COPY_CHAN4(s[1], v1->specular); - i[0] = v0->index; - i[1] = v1->index; - - /* copy v2 color/indexes to v0, v1 indexes */ - COPY_CHAN4(v0->color, v2->color); - COPY_CHAN4(v1->color, v2->color); - COPY_CHAN4(v0->specular, v2->specular); - COPY_CHAN4(v1->specular, v2->specular); - v0->index = v2->index; - v1->index = v2->index; - } - - if (ef[e0]) _swrast_Point( ctx, v0 ); - if (ef[e1]) _swrast_Point( ctx, v1 ); - if (ef[e2]) _swrast_Point( ctx, v2 ); - - if (ctx->Light.ShadeModel == GL_FLAT) { - /* restore v0, v1 colores/indexes */ - COPY_CHAN4(v0->color, c[0]); - COPY_CHAN4(v1->color, c[1]); - COPY_CHAN4(v0->specular, s[0]); - COPY_CHAN4(v1->specular, s[1]); - v0->index = i[0]; - v1->index = i[1]; - } - _swrast_flush(ctx); -} - -#define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b) -#define SS_SPEC(a,b) UNCLAMPED_FLOAT_TO_RGB_CHAN(a,b) -#define SS_IND(a,b) (a = b) - -#define IND (0) -#define TAG(x) x -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT) -#define TAG(x) x##_offset -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT) -#define TAG(x) x##_twoside -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT) -#define TAG(x) x##_offset_twoside -#include "ss_tritmp.h" - -#define IND (SS_UNFILLED_BIT) -#define TAG(x) x##_unfilled -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_offset_unfilled -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_twoside_unfilled -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_offset_twoside_unfilled -#include "ss_tritmp.h" - -#define IND (0|SS_RGBA_BIT) -#define TAG(x) x##_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_RGBA_BIT) -#define TAG(x) x##_offset_rgba -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT|SS_RGBA_BIT) -#define TAG(x) x##_twoside_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_RGBA_BIT) -#define TAG(x) x##_offset_twoside_rgba -#include "ss_tritmp.h" - -#define IND (SS_UNFILLED_BIT|SS_RGBA_BIT) -#define TAG(x) x##_unfilled_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT) -#define TAG(x) x##_offset_unfilled_rgba -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT) -#define TAG(x) x##_twoside_unfilled_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT) -#define TAG(x) x##_offset_twoside_unfilled_rgba -#include "ss_tritmp.h" - - -void _swsetup_trifuncs_init( GLcontext *ctx ) -{ - (void) ctx; - - init(); - init_offset(); - init_twoside(); - init_offset_twoside(); - init_unfilled(); - init_offset_unfilled(); - init_twoside_unfilled(); - init_offset_twoside_unfilled(); - - init_rgba(); - init_offset_rgba(); - init_twoside_rgba(); - init_offset_twoside_rgba(); - init_unfilled_rgba(); - init_offset_unfilled_rgba(); - init_twoside_unfilled_rgba(); - init_offset_twoside_unfilled_rgba(); -} - - -static void swsetup_points( GLcontext *ctx, GLuint first, GLuint last ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; - GLuint i; - - if (VB->Elts) { - for (i = first; i < last; i++) - if (VB->ClipMask[VB->Elts[i]] == 0) - _swrast_Point( ctx, &verts[VB->Elts[i]] ); - } - else { - for (i = first; i < last; i++) - if (VB->ClipMask[i] == 0) - _swrast_Point( ctx, &verts[i] ); - } -} - -static void swsetup_line( GLcontext *ctx, GLuint v0, GLuint v1 ) -{ - SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; - _swrast_Line( ctx, &verts[v0], &verts[v1] ); -} - - - -void _swsetup_choose_trifuncs( GLcontext *ctx ) -{ - TNLcontext *tnl = TNL_CONTEXT(ctx); - GLuint ind = 0; - - if (ctx->Polygon.OffsetPoint || - ctx->Polygon.OffsetLine || - ctx->Polygon.OffsetFill) - ind |= SS_OFFSET_BIT; - - if ((ctx->Light.Enabled && ctx->Light.Model.TwoSide) || - (ctx->VertexProgram._Enabled && ctx->VertexProgram.TwoSideEnabled)) - ind |= SS_TWOSIDE_BIT; - - /* We piggyback the two-sided stencil front/back determination on the - * unfilled triangle path. - */ - if (ctx->Polygon.FrontMode != GL_FILL || - ctx->Polygon.BackMode != GL_FILL || - (ctx->Stencil.Enabled && ctx->Stencil.TestTwoSide)) - ind |= SS_UNFILLED_BIT; - - if (ctx->Visual.rgbMode) - ind |= SS_RGBA_BIT; - - tnl->Driver.Render.Triangle = tri_tab[ind]; - tnl->Driver.Render.Quad = quad_tab[ind]; - tnl->Driver.Render.Line = swsetup_line; - tnl->Driver.Render.Points = swsetup_points; - - ctx->_Facing = 0; -} |