From 990bc3f015a4f8fce2eb918375defcd44980a845 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 8 Jun 2012 09:33:13 +0200 Subject: Used synchronise script to update files --- mesalib/src/mesa/swrast_setup/NOTES | 130 +++---- mesalib/src/mesa/swrast_setup/ss_triangle.c | 530 +++++++++++++-------------- mesalib/src/mesa/swrast_setup/ss_triangle.h | 76 ++-- mesalib/src/mesa/swrast_setup/ss_tritmp.h | 496 ++++++++++++------------- mesalib/src/mesa/swrast_setup/ss_vb.h | 74 ++-- mesalib/src/mesa/swrast_setup/swrast_setup.h | 122 +++--- 6 files changed, 714 insertions(+), 714 deletions(-) (limited to 'mesalib/src/mesa/swrast_setup') diff --git a/mesalib/src/mesa/swrast_setup/NOTES b/mesalib/src/mesa/swrast_setup/NOTES index b5d2c503e..bdf57c39e 100644 --- a/mesalib/src/mesa/swrast_setup/NOTES +++ b/mesalib/src/mesa/swrast_setup/NOTES @@ -1,65 +1,65 @@ -INTRODUCTION - -A helper module which provides glue to bind the software rasterizer to -the software t&l module. The main task of this module is to build -swrast vertices from the t&l vertex_buffer structs, and to use them to -perform triangle setup functions not implemented in the software -rasterizer. - -The module implements a full set of functions to plug into the -t_vb_render.c driver interface (tnl->Driver.Render.*). - -There are strong advantages to decoupling the software rasterizer from -the t&l module, primarily allowing hardware drivers better control -over fallbacks, the removal of implicit knowledge about the software -rasterizer in the t&l module, allowing the two modules to evolve -independently and allowing either to be substituted with equivalent -functionality from another codebase. - -This module implements triangle/quad setup for offset, unfilled and -twoside-lit triangles. The software rasterizer doesn't handle these -primitives directly. - -Hardware rasterization drivers typically use this module in situations -where no hardware rasterization is possible, ie during total -fallbacks. - -STATE - -To create and destroy the module: - - GLboolean _swsetup_CreateContext( struct gl_context *ctx ); - void _swsetup_DestroyContext( struct gl_context *ctx ); - -The module is not active by default, and must be installed by calling -_swrast_Wakeup(). This function installs internal swrast_setup -functions into all the tnl->Driver.Render driver hooks, thus taking -over the task of rasterization entirely: - - void _swrast_Wakeup( struct gl_context *ctx ); - - -This module tracks state changes internally and maintains derived -values based on the current state. For this to work, the driver -ensure the following funciton is called whenever the state changes and -the swsetup module is 'awake': - - void _swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state ); - -There is no explicit call to put the swsetup module to sleep. Simply -install other function pointers into all the tnl->Driver.Render.* -hooks, and (optionally) cease calling _swsetup_InvalidateState(). - -DRIVER INTERFACE - -The module offers a minimal driver interface: - - void (*Start)( struct gl_context *ctx ); - void (*Finish)( struct gl_context *ctx ); - -These are called before and after the completion of all swrast drawing -activity. As swrast doesn't call callbacks during triangle, line or -point rasterization, these are necessary to provide locking hooks for -some drivers. They may otherwise be left null. - - +INTRODUCTION + +A helper module which provides glue to bind the software rasterizer to +the software t&l module. The main task of this module is to build +swrast vertices from the t&l vertex_buffer structs, and to use them to +perform triangle setup functions not implemented in the software +rasterizer. + +The module implements a full set of functions to plug into the +t_vb_render.c driver interface (tnl->Driver.Render.*). + +There are strong advantages to decoupling the software rasterizer from +the t&l module, primarily allowing hardware drivers better control +over fallbacks, the removal of implicit knowledge about the software +rasterizer in the t&l module, allowing the two modules to evolve +independently and allowing either to be substituted with equivalent +functionality from another codebase. + +This module implements triangle/quad setup for offset, unfilled and +twoside-lit triangles. The software rasterizer doesn't handle these +primitives directly. + +Hardware rasterization drivers typically use this module in situations +where no hardware rasterization is possible, ie during total +fallbacks. + +STATE + +To create and destroy the module: + + GLboolean _swsetup_CreateContext( struct gl_context *ctx ); + void _swsetup_DestroyContext( struct gl_context *ctx ); + +The module is not active by default, and must be installed by calling +_swrast_Wakeup(). This function installs internal swrast_setup +functions into all the tnl->Driver.Render driver hooks, thus taking +over the task of rasterization entirely: + + void _swrast_Wakeup( struct gl_context *ctx ); + + +This module tracks state changes internally and maintains derived +values based on the current state. For this to work, the driver +ensure the following funciton is called whenever the state changes and +the swsetup module is 'awake': + + void _swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state ); + +There is no explicit call to put the swsetup module to sleep. Simply +install other function pointers into all the tnl->Driver.Render.* +hooks, and (optionally) cease calling _swsetup_InvalidateState(). + +DRIVER INTERFACE + +The module offers a minimal driver interface: + + void (*Start)( struct gl_context *ctx ); + void (*Finish)( struct gl_context *ctx ); + +These are called before and after the completion of all swrast drawing +activity. As swrast doesn't call callbacks during triangle, line or +point rasterization, these are necessary to provide locking hooks for +some drivers. They may otherwise be left null. + + diff --git a/mesalib/src/mesa/swrast_setup/ss_triangle.c b/mesalib/src/mesa/swrast_setup/ss_triangle.c index 4fc9a0756..5d1c70e94 100644 --- a/mesalib/src/mesa/swrast_setup/ss_triangle.c +++ b/mesalib/src/mesa/swrast_setup/ss_triangle.c @@ -1,265 +1,265 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2007 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 - */ - -#include "main/glheader.h" -#include "main/colormac.h" -#include "main/macros.h" -#include "main/mtypes.h" - -#include "tnl/t_context.h" - -#include "ss_triangle.h" -#include "ss_context.h" - -#define SS_OFFSET_BIT 0x1 -#define SS_TWOSIDE_BIT 0x2 -#define SS_UNFILLED_BIT 0x4 -#define SS_MAX_TRIFUNC 0x8 - -static tnl_triangle_func tri_tab[SS_MAX_TRIFUNC]; -static tnl_quad_func quad_tab[SS_MAX_TRIFUNC]; - - -/* - * Render a triangle respecting edge flags. - */ -typedef void (* swsetup_edge_render_prim_tri)(struct gl_context *ctx, - const GLubyte *ef, - GLuint e0, - GLuint e1, - GLuint e2, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2); - -/* - * Render a triangle using lines and respecting edge flags. - */ -static void -_swsetup_edge_render_line_tri(struct gl_context *ctx, - const GLubyte *ef, - GLuint e0, - GLuint e1, - GLuint e2, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2) -{ - SScontext *swsetup = SWSETUP_CONTEXT(ctx); - - 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 ); - } -} - -/* - * Render a triangle using points and respecting edge flags. - */ -static void -_swsetup_edge_render_point_tri(struct gl_context *ctx, - const GLubyte *ef, - GLuint e0, - GLuint e1, - GLuint e2, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2) -{ - if (ef[e0]) _swrast_Point( ctx, v0 ); - if (ef[e1]) _swrast_Point( ctx, v1 ); - if (ef[e2]) _swrast_Point( ctx, v2 ); - - _swrast_flush(ctx); -} - -/* - * Render a triangle respecting cull and shade model. - */ -static void _swsetup_render_tri(struct gl_context *ctx, - GLuint e0, - GLuint e1, - GLuint e2, - GLuint facing, - swsetup_edge_render_prim_tri render) -{ - 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]; - - /* cull testing */ - if (ctx->Polygon.CullFlag) { - if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT) - return; - if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK) - return; - } - - _swrast_SetFacing(ctx, facing); - - if (ctx->Light.ShadeModel == GL_FLAT) { - GLchan c[2][4]; - GLfloat s[2][4]; - - /* save colors/indexes for v0, v1 vertices */ - COPY_CHAN4(c[0], v0->color); - COPY_CHAN4(c[1], v1->color); - COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]); - - /* copy v2 color/indexes to v0, v1 indexes */ - COPY_CHAN4(v0->color, v2->color); - COPY_CHAN4(v1->color, v2->color); - COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); - - render(ctx, ef, e0, e1, e2, v0, v1, v2); - - COPY_CHAN4(v0->color, c[0]); - COPY_CHAN4(v1->color, c[1]); - COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]); - COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]); - } - else { - render(ctx, ef, e0, e1, e2, v0, v1, v2); - } -} - -#define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b) -#define SS_SPEC(a,b) COPY_4V(a,b) -#define SS_IND(a,b) (a = b) - -#define IND (0) -#define TAG(x) x##_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT) -#define TAG(x) x##_offset_rgba -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT) -#define TAG(x) x##_twoside_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT) -#define TAG(x) x##_offset_twoside_rgba -#include "ss_tritmp.h" - -#define IND (SS_UNFILLED_BIT) -#define TAG(x) x##_unfilled_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_offset_unfilled_rgba -#include "ss_tritmp.h" - -#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_twoside_unfilled_rgba -#include "ss_tritmp.h" - -#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT) -#define TAG(x) x##_offset_twoside_unfilled_rgba -#include "ss_tritmp.h" - - -void _swsetup_trifuncs_init( struct gl_context *ctx ) -{ - (void) ctx; - - 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( struct gl_context *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( struct gl_context *ctx, GLuint v0, GLuint v1 ) -{ - SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; - _swrast_Line( ctx, &verts[v0], &verts[v1] ); -} - - - -void _swsetup_choose_trifuncs( struct gl_context *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._Current && 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; - - 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; -} +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 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 + */ + +#include "main/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/mtypes.h" + +#include "tnl/t_context.h" + +#include "ss_triangle.h" +#include "ss_context.h" + +#define SS_OFFSET_BIT 0x1 +#define SS_TWOSIDE_BIT 0x2 +#define SS_UNFILLED_BIT 0x4 +#define SS_MAX_TRIFUNC 0x8 + +static tnl_triangle_func tri_tab[SS_MAX_TRIFUNC]; +static tnl_quad_func quad_tab[SS_MAX_TRIFUNC]; + + +/* + * Render a triangle respecting edge flags. + */ +typedef void (* swsetup_edge_render_prim_tri)(struct gl_context *ctx, + const GLubyte *ef, + GLuint e0, + GLuint e1, + GLuint e2, + const SWvertex *v0, + const SWvertex *v1, + const SWvertex *v2); + +/* + * Render a triangle using lines and respecting edge flags. + */ +static void +_swsetup_edge_render_line_tri(struct gl_context *ctx, + const GLubyte *ef, + GLuint e0, + GLuint e1, + GLuint e2, + const SWvertex *v0, + const SWvertex *v1, + const SWvertex *v2) +{ + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + + 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 ); + } +} + +/* + * Render a triangle using points and respecting edge flags. + */ +static void +_swsetup_edge_render_point_tri(struct gl_context *ctx, + const GLubyte *ef, + GLuint e0, + GLuint e1, + GLuint e2, + const SWvertex *v0, + const SWvertex *v1, + const SWvertex *v2) +{ + if (ef[e0]) _swrast_Point( ctx, v0 ); + if (ef[e1]) _swrast_Point( ctx, v1 ); + if (ef[e2]) _swrast_Point( ctx, v2 ); + + _swrast_flush(ctx); +} + +/* + * Render a triangle respecting cull and shade model. + */ +static void _swsetup_render_tri(struct gl_context *ctx, + GLuint e0, + GLuint e1, + GLuint e2, + GLuint facing, + swsetup_edge_render_prim_tri render) +{ + 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]; + + /* cull testing */ + if (ctx->Polygon.CullFlag) { + if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT) + return; + if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK) + return; + } + + _swrast_SetFacing(ctx, facing); + + if (ctx->Light.ShadeModel == GL_FLAT) { + GLchan c[2][4]; + GLfloat s[2][4]; + + /* save colors/indexes for v0, v1 vertices */ + COPY_CHAN4(c[0], v0->color); + COPY_CHAN4(c[1], v1->color); + COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]); + + /* copy v2 color/indexes to v0, v1 indexes */ + COPY_CHAN4(v0->color, v2->color); + COPY_CHAN4(v1->color, v2->color); + COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]); + + render(ctx, ef, e0, e1, e2, v0, v1, v2); + + COPY_CHAN4(v0->color, c[0]); + COPY_CHAN4(v1->color, c[1]); + COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]); + COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]); + } + else { + render(ctx, ef, e0, e1, e2, v0, v1, v2); + } +} + +#define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b) +#define SS_SPEC(a,b) COPY_4V(a,b) +#define SS_IND(a,b) (a = b) + +#define IND (0) +#define TAG(x) x##_rgba +#include "ss_tritmp.h" + +#define IND (SS_OFFSET_BIT) +#define TAG(x) x##_offset_rgba +#include "ss_tritmp.h" + +#define IND (SS_TWOSIDE_BIT) +#define TAG(x) x##_twoside_rgba +#include "ss_tritmp.h" + +#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT) +#define TAG(x) x##_offset_twoside_rgba +#include "ss_tritmp.h" + +#define IND (SS_UNFILLED_BIT) +#define TAG(x) x##_unfilled_rgba +#include "ss_tritmp.h" + +#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT) +#define TAG(x) x##_offset_unfilled_rgba +#include "ss_tritmp.h" + +#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT) +#define TAG(x) x##_twoside_unfilled_rgba +#include "ss_tritmp.h" + +#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT) +#define TAG(x) x##_offset_twoside_unfilled_rgba +#include "ss_tritmp.h" + + +void _swsetup_trifuncs_init( struct gl_context *ctx ) +{ + (void) ctx; + + 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( struct gl_context *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( struct gl_context *ctx, GLuint v0, GLuint v1 ) +{ + SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; + _swrast_Line( ctx, &verts[v0], &verts[v1] ); +} + + + +void _swsetup_choose_trifuncs( struct gl_context *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._Current && 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; + + 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; +} diff --git a/mesalib/src/mesa/swrast_setup/ss_triangle.h b/mesalib/src/mesa/swrast_setup/ss_triangle.h index e21a9749a..a027f4826 100644 --- a/mesalib/src/mesa/swrast_setup/ss_triangle.h +++ b/mesalib/src/mesa/swrast_setup/ss_triangle.h @@ -1,38 +1,38 @@ - -/* - * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2001 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 - */ - -#ifndef SS_TRIANGLE_H -#define SS_TRIANGLE_H - -struct gl_context; - - -void _swsetup_trifuncs_init( struct gl_context *ctx ); -void _swsetup_choose_trifuncs( struct gl_context *ctx ); - -#endif + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 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 + */ + +#ifndef SS_TRIANGLE_H +#define SS_TRIANGLE_H + +struct gl_context; + + +void _swsetup_trifuncs_init( struct gl_context *ctx ); +void _swsetup_choose_trifuncs( struct gl_context *ctx ); + +#endif diff --git a/mesalib/src/mesa/swrast_setup/ss_tritmp.h b/mesalib/src/mesa/swrast_setup/ss_tritmp.h index 9b2b7cf6a..5844ad594 100644 --- a/mesalib/src/mesa/swrast_setup/ss_tritmp.h +++ b/mesalib/src/mesa/swrast_setup/ss_tritmp.h @@ -1,248 +1,248 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2007 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 - */ - - -/** - * This is where we handle assigning vertex colors based on front/back - * facing, compute polygon offset and handle glPolygonMode(). - */ -static void TAG(triangle)(struct gl_context *ctx, GLuint e0, GLuint e1, GLuint e2 ) -{ - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - SScontext *swsetup = SWSETUP_CONTEXT(ctx); - SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; - SWvertex *v[3]; - GLfloat z[3]; - GLfloat offset, oz0, oz1, oz2; - GLenum mode = GL_FILL; - GLuint facing = 0; - GLchan saved_color[3][4] = { { 0 } }; - GLfloat saved_col0[3][4] = { { 0 } }; - GLfloat saved_spec[3][4] = { { 0 } }; - - v[0] = &verts[e0]; - v[1] = &verts[e1]; - v[2] = &verts[e2]; - - if (IND & (SS_TWOSIDE_BIT | SS_OFFSET_BIT | SS_UNFILLED_BIT)) - { - GLfloat ex = v[0]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; - GLfloat ey = v[0]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; - GLfloat fx = v[1]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; - GLfloat fy = v[1]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; - GLfloat cc = ex*fy - ey*fx; - - if (IND & (SS_TWOSIDE_BIT | SS_UNFILLED_BIT)) - { - facing = (cc < 0.0) ^ ctx->Polygon._FrontBit; - - if (IND & SS_UNFILLED_BIT) - mode = facing ? ctx->Polygon.BackMode : ctx->Polygon.FrontMode; - - if (facing == 1) { - if (IND & SS_TWOSIDE_BIT) { - if (VB->BackfaceColorPtr) { - GLfloat (*vbcolor)[4] = VB->BackfaceColorPtr->data; - - if (swsetup->intColors) { - COPY_CHAN4(saved_color[0], v[0]->color); - COPY_CHAN4(saved_color[1], v[1]->color); - COPY_CHAN4(saved_color[2], v[2]->color); - } - else { - COPY_4V(saved_col0[0], v[0]->attrib[FRAG_ATTRIB_COL0]); - COPY_4V(saved_col0[1], v[1]->attrib[FRAG_ATTRIB_COL0]); - COPY_4V(saved_col0[2], v[2]->attrib[FRAG_ATTRIB_COL0]); - } - - if (VB->BackfaceColorPtr->stride) { - if (swsetup->intColors) { - SS_COLOR(v[0]->color, vbcolor[e0]); - SS_COLOR(v[1]->color, vbcolor[e1]); - SS_COLOR(v[2]->color, vbcolor[e2]); - } - else { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[e0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[e1]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[e2]); - } - } - else { - /* flat shade */ - if (swsetup->intColors) { - SS_COLOR(v[0]->color, vbcolor[0]); - SS_COLOR(v[1]->color, vbcolor[0]); - SS_COLOR(v[2]->color, vbcolor[0]); - } - else { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); - } - } - } - - if (VB->BackfaceSecondaryColorPtr) { - GLfloat (*vbspec)[4] = VB->BackfaceSecondaryColorPtr->data; - - COPY_4V(saved_spec[0], v[0]->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(saved_spec[1], v[1]->attrib[FRAG_ATTRIB_COL1]); - COPY_4V(saved_spec[2], v[2]->attrib[FRAG_ATTRIB_COL1]); - - if (VB->BackfaceSecondaryColorPtr->stride) { - SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[e0]); - SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[e1]); - SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[e2]); - } - else { - SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); - SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); - SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); - } - } - } - } - } - - if (IND & SS_OFFSET_BIT) { - const GLfloat max = ctx->DrawBuffer->_DepthMaxF; - /* save original Z values (restored later) */ - z[0] = v[0]->attrib[FRAG_ATTRIB_WPOS][2]; - z[1] = v[1]->attrib[FRAG_ATTRIB_WPOS][2]; - z[2] = v[2]->attrib[FRAG_ATTRIB_WPOS][2]; - /* Note that Z values are already scaled to [0,65535] (for example) - * so no MRD value is used here. - */ - offset = ctx->Polygon.OffsetUnits; - if (cc * cc > 1e-16) { - const GLfloat ez = z[0] - z[2]; - const GLfloat fz = z[1] - z[2]; - const GLfloat oneOverArea = 1.0F / cc; - const GLfloat dzdx = FABSF((ey * fz - ez * fy) * oneOverArea); - const GLfloat dzdy = FABSF((ez * fx - ex * fz) * oneOverArea); - offset += MAX2(dzdx, dzdy) * ctx->Polygon.OffsetFactor; - } - /* new Z values */ - oz0 = CLAMP(v[0]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0F, max); - oz1 = CLAMP(v[1]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0F, max); - oz2 = CLAMP(v[2]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0F, max); - } - } - - if (mode == GL_POINT) { - if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetPoint) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; - } - _swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_point_tri); - } else if (mode == GL_LINE) { - if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetLine) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; - } - _swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_line_tri); - } else { - if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetFill) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; - } - _swrast_Triangle( ctx, v[0], v[1], v[2] ); - } - - /* - * Restore original vertex colors, etc. - */ - if (IND & SS_OFFSET_BIT) { - v[0]->attrib[FRAG_ATTRIB_WPOS][2] = z[0]; - v[1]->attrib[FRAG_ATTRIB_WPOS][2] = z[1]; - v[2]->attrib[FRAG_ATTRIB_WPOS][2] = z[2]; - } - - if (IND & SS_TWOSIDE_BIT) { - if (facing == 1) { - if (VB->BackfaceColorPtr) { - if (swsetup->intColors) { - COPY_CHAN4(v[0]->color, saved_color[0]); - COPY_CHAN4(v[1]->color, saved_color[1]); - COPY_CHAN4(v[2]->color, saved_color[2]); - } - else { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], saved_col0[0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], saved_col0[1]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], saved_col0[2]); - } - } - - if (VB->BackfaceSecondaryColorPtr) { - COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL1], saved_spec[0]); - COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL1], saved_spec[1]); - COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL1], saved_spec[2]); - } - } - } -} - - - -/* Need to fixup edgeflags when decomposing to triangles: - */ -static void TAG(quadfunc)( struct gl_context *ctx, GLuint v0, - GLuint v1, GLuint v2, GLuint v3 ) -{ - if (IND & SS_UNFILLED_BIT) { - struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; - if (VB->EdgeFlag) { /* XXX this test shouldn't be needed (bug 12614) */ - GLubyte ef1 = VB->EdgeFlag[v1]; - GLubyte ef3 = VB->EdgeFlag[v3]; - VB->EdgeFlag[v1] = 0; - TAG(triangle)( ctx, v0, v1, v3 ); - VB->EdgeFlag[v1] = ef1; - VB->EdgeFlag[v3] = 0; - TAG(triangle)( ctx, v1, v2, v3 ); - VB->EdgeFlag[v3] = ef3; - } - } else { - TAG(triangle)( ctx, v0, v1, v3 ); - TAG(triangle)( ctx, v1, v2, v3 ); - } -} - - - - -static void TAG(init)( void ) -{ - tri_tab[IND] = TAG(triangle); - quad_tab[IND] = TAG(quadfunc); -} - - -#undef IND -#undef TAG +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 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 + */ + + +/** + * This is where we handle assigning vertex colors based on front/back + * facing, compute polygon offset and handle glPolygonMode(). + */ +static void TAG(triangle)(struct gl_context *ctx, GLuint e0, GLuint e1, GLuint e2 ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts; + SWvertex *v[3]; + GLfloat z[3]; + GLfloat offset, oz0, oz1, oz2; + GLenum mode = GL_FILL; + GLuint facing = 0; + GLchan saved_color[3][4] = { { 0 } }; + GLfloat saved_col0[3][4] = { { 0 } }; + GLfloat saved_spec[3][4] = { { 0 } }; + + v[0] = &verts[e0]; + v[1] = &verts[e1]; + v[2] = &verts[e2]; + + if (IND & (SS_TWOSIDE_BIT | SS_OFFSET_BIT | SS_UNFILLED_BIT)) + { + GLfloat ex = v[0]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; + GLfloat ey = v[0]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; + GLfloat fx = v[1]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; + GLfloat fy = v[1]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; + GLfloat cc = ex*fy - ey*fx; + + if (IND & (SS_TWOSIDE_BIT | SS_UNFILLED_BIT)) + { + facing = (cc < 0.0) ^ ctx->Polygon._FrontBit; + + if (IND & SS_UNFILLED_BIT) + mode = facing ? ctx->Polygon.BackMode : ctx->Polygon.FrontMode; + + if (facing == 1) { + if (IND & SS_TWOSIDE_BIT) { + if (VB->BackfaceColorPtr) { + GLfloat (*vbcolor)[4] = VB->BackfaceColorPtr->data; + + if (swsetup->intColors) { + COPY_CHAN4(saved_color[0], v[0]->color); + COPY_CHAN4(saved_color[1], v[1]->color); + COPY_CHAN4(saved_color[2], v[2]->color); + } + else { + COPY_4V(saved_col0[0], v[0]->attrib[FRAG_ATTRIB_COL0]); + COPY_4V(saved_col0[1], v[1]->attrib[FRAG_ATTRIB_COL0]); + COPY_4V(saved_col0[2], v[2]->attrib[FRAG_ATTRIB_COL0]); + } + + if (VB->BackfaceColorPtr->stride) { + if (swsetup->intColors) { + SS_COLOR(v[0]->color, vbcolor[e0]); + SS_COLOR(v[1]->color, vbcolor[e1]); + SS_COLOR(v[2]->color, vbcolor[e2]); + } + else { + COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[e0]); + COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[e1]); + COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[e2]); + } + } + else { + /* flat shade */ + if (swsetup->intColors) { + SS_COLOR(v[0]->color, vbcolor[0]); + SS_COLOR(v[1]->color, vbcolor[0]); + SS_COLOR(v[2]->color, vbcolor[0]); + } + else { + COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); + COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); + COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]); + } + } + } + + if (VB->BackfaceSecondaryColorPtr) { + GLfloat (*vbspec)[4] = VB->BackfaceSecondaryColorPtr->data; + + COPY_4V(saved_spec[0], v[0]->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(saved_spec[1], v[1]->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(saved_spec[2], v[2]->attrib[FRAG_ATTRIB_COL1]); + + if (VB->BackfaceSecondaryColorPtr->stride) { + SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[e0]); + SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[e1]); + SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[e2]); + } + else { + SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); + SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); + SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); + } + } + } + } + } + + if (IND & SS_OFFSET_BIT) { + const GLfloat max = ctx->DrawBuffer->_DepthMaxF; + /* save original Z values (restored later) */ + z[0] = v[0]->attrib[FRAG_ATTRIB_WPOS][2]; + z[1] = v[1]->attrib[FRAG_ATTRIB_WPOS][2]; + z[2] = v[2]->attrib[FRAG_ATTRIB_WPOS][2]; + /* Note that Z values are already scaled to [0,65535] (for example) + * so no MRD value is used here. + */ + offset = ctx->Polygon.OffsetUnits; + if (cc * cc > 1e-16) { + const GLfloat ez = z[0] - z[2]; + const GLfloat fz = z[1] - z[2]; + const GLfloat oneOverArea = 1.0F / cc; + const GLfloat dzdx = FABSF((ey * fz - ez * fy) * oneOverArea); + const GLfloat dzdy = FABSF((ez * fx - ex * fz) * oneOverArea); + offset += MAX2(dzdx, dzdy) * ctx->Polygon.OffsetFactor; + } + /* new Z values */ + oz0 = CLAMP(v[0]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0F, max); + oz1 = CLAMP(v[1]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0F, max); + oz2 = CLAMP(v[2]->attrib[FRAG_ATTRIB_WPOS][2] + offset, 0.0F, max); + } + } + + if (mode == GL_POINT) { + if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetPoint) { + v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; + } + _swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_point_tri); + } else if (mode == GL_LINE) { + if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetLine) { + v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; + } + _swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_line_tri); + } else { + if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetFill) { + v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2; + } + _swrast_Triangle( ctx, v[0], v[1], v[2] ); + } + + /* + * Restore original vertex colors, etc. + */ + if (IND & SS_OFFSET_BIT) { + v[0]->attrib[FRAG_ATTRIB_WPOS][2] = z[0]; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] = z[1]; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] = z[2]; + } + + if (IND & SS_TWOSIDE_BIT) { + if (facing == 1) { + if (VB->BackfaceColorPtr) { + if (swsetup->intColors) { + COPY_CHAN4(v[0]->color, saved_color[0]); + COPY_CHAN4(v[1]->color, saved_color[1]); + COPY_CHAN4(v[2]->color, saved_color[2]); + } + else { + COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], saved_col0[0]); + COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], saved_col0[1]); + COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], saved_col0[2]); + } + } + + if (VB->BackfaceSecondaryColorPtr) { + COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL1], saved_spec[0]); + COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL1], saved_spec[1]); + COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL1], saved_spec[2]); + } + } + } +} + + + +/* Need to fixup edgeflags when decomposing to triangles: + */ +static void TAG(quadfunc)( struct gl_context *ctx, GLuint v0, + GLuint v1, GLuint v2, GLuint v3 ) +{ + if (IND & SS_UNFILLED_BIT) { + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + if (VB->EdgeFlag) { /* XXX this test shouldn't be needed (bug 12614) */ + GLubyte ef1 = VB->EdgeFlag[v1]; + GLubyte ef3 = VB->EdgeFlag[v3]; + VB->EdgeFlag[v1] = 0; + TAG(triangle)( ctx, v0, v1, v3 ); + VB->EdgeFlag[v1] = ef1; + VB->EdgeFlag[v3] = 0; + TAG(triangle)( ctx, v1, v2, v3 ); + VB->EdgeFlag[v3] = ef3; + } + } else { + TAG(triangle)( ctx, v0, v1, v3 ); + TAG(triangle)( ctx, v1, v2, v3 ); + } +} + + + + +static void TAG(init)( void ) +{ + tri_tab[IND] = TAG(triangle); + quad_tab[IND] = TAG(quadfunc); +} + + +#undef IND +#undef TAG diff --git a/mesalib/src/mesa/swrast_setup/ss_vb.h b/mesalib/src/mesa/swrast_setup/ss_vb.h index 35d5da6f7..05e665b5c 100644 --- a/mesalib/src/mesa/swrast_setup/ss_vb.h +++ b/mesalib/src/mesa/swrast_setup/ss_vb.h @@ -1,37 +1,37 @@ - -/* - * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2001 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 - */ - -#ifndef SS_VB_H -#define SS_VB_H - -struct gl_context; - -void _swsetup_vb_init( struct gl_context *ctx ); -void _swsetup_choose_rastersetup_func( struct gl_context *ctx ); - -#endif + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 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 + */ + +#ifndef SS_VB_H +#define SS_VB_H + +struct gl_context; + +void _swsetup_vb_init( struct gl_context *ctx ); +void _swsetup_choose_rastersetup_func( struct gl_context *ctx ); + +#endif diff --git a/mesalib/src/mesa/swrast_setup/swrast_setup.h b/mesalib/src/mesa/swrast_setup/swrast_setup.h index 6d82ef58f..1d87ec108 100644 --- a/mesalib/src/mesa/swrast_setup/swrast_setup.h +++ b/mesalib/src/mesa/swrast_setup/swrast_setup.h @@ -1,61 +1,61 @@ - -/* - * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2001 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 - */ - -/* Public interface to the swrast_setup module. This module provides - * an implementation of the driver interface to t_vb_render.c, and uses - * the software rasterizer (swrast) to perform actual rasterization. - * - * The internals of the implementation are private, but can be hooked - * into tnl at any time (except between RenderStart/RenderEnd) by - * calling _swsetup_Wakeup(). - */ - -#ifndef SWRAST_SETUP_H -#define SWRAST_SETUP_H - -#include "swrast/swrast.h" - -extern GLboolean -_swsetup_CreateContext( struct gl_context *ctx ); - -extern void -_swsetup_DestroyContext( struct gl_context *ctx ); - -extern void -_swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state ); - -extern void -_swsetup_Wakeup( struct gl_context *ctx ); - -/* Helper function to translate a hardware vertex (as understood by - * the tnl/t_vertex.c code) to a swrast vertex. - */ -extern void -_swsetup_Translate( struct gl_context *ctx, const void *vertex, SWvertex *dest ); - -#endif + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * Copyright (C) 1999-2001 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 + */ + +/* Public interface to the swrast_setup module. This module provides + * an implementation of the driver interface to t_vb_render.c, and uses + * the software rasterizer (swrast) to perform actual rasterization. + * + * The internals of the implementation are private, but can be hooked + * into tnl at any time (except between RenderStart/RenderEnd) by + * calling _swsetup_Wakeup(). + */ + +#ifndef SWRAST_SETUP_H +#define SWRAST_SETUP_H + +#include "swrast/swrast.h" + +extern GLboolean +_swsetup_CreateContext( struct gl_context *ctx ); + +extern void +_swsetup_DestroyContext( struct gl_context *ctx ); + +extern void +_swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state ); + +extern void +_swsetup_Wakeup( struct gl_context *ctx ); + +/* Helper function to translate a hardware vertex (as understood by + * the tnl/t_vertex.c code) to a swrast vertex. + */ +extern void +_swsetup_Translate( struct gl_context *ctx, const void *vertex, SWvertex *dest ); + +#endif -- cgit v1.2.3