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author | marha <marha@users.sourceforge.net> | 2011-12-23 10:01:52 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2011-12-23 10:01:52 +0100 |
commit | e22891346b85a7db40dec7260a100f90b451cbc8 (patch) | |
tree | a7dd2d6757253947bcc821abbf68fd24d3301e89 /mesalib/src/mesa/vbo/vbo_exec.c | |
parent | abacebe06d9f3d2fe1b7d256bd86cddbfa592a85 (diff) | |
download | vcxsrv-e22891346b85a7db40dec7260a100f90b451cbc8.tar.gz vcxsrv-e22891346b85a7db40dec7260a100f90b451cbc8.tar.bz2 vcxsrv-e22891346b85a7db40dec7260a100f90b451cbc8.zip |
git mesa pixman xserver xkeyboard-config update 24 dec 2011
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_exec.c')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_exec.c | 232 |
1 files changed, 140 insertions, 92 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_exec.c b/mesalib/src/mesa/vbo/vbo_exec.c index 7793aa238..05c3ec1ae 100644 --- a/mesalib/src/mesa/vbo/vbo_exec.c +++ b/mesalib/src/mesa/vbo/vbo_exec.c @@ -1,92 +1,140 @@ -/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 1999-2005 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 "main/api_arrayelt.h"
-#include "main/glheader.h"
-#include "main/mtypes.h"
-#include "main/vtxfmt.h"
-#include "vbo_context.h"
-
-
-
-void vbo_exec_init( struct gl_context *ctx )
-{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
-
- exec->ctx = ctx;
-
- /* Initialize the arrayelt helper
- */
- if (!ctx->aelt_context &&
- !_ae_create_context( ctx ))
- return;
-
- vbo_exec_vtx_init( exec );
- vbo_exec_array_init( exec );
-
- /* Hook our functions into exec and compile dispatch tables.
- */
- _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
-
- ctx->Driver.NeedFlush = 0;
- ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
- ctx->Driver.BeginVertices = vbo_exec_BeginVertices;
- ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
-
- vbo_exec_invalidate_state( ctx, ~0 );
-}
-
-
-void vbo_exec_destroy( struct gl_context *ctx )
-{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
-
- if (ctx->aelt_context) {
- _ae_destroy_context( ctx );
- ctx->aelt_context = NULL;
- }
-
- vbo_exec_vtx_destroy( exec );
- vbo_exec_array_destroy( exec );
-}
-
-
-/**
- * Really want to install these callbacks to a central facility to be
- * invoked according to the state flags. That will have to wait for a
- * mesa rework:
- */
-void vbo_exec_invalidate_state( struct gl_context *ctx, GLuint new_state )
-{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
-
- if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
- exec->eval.recalculate_maps = 1;
-
- _ae_invalidate_state(ctx, new_state);
-}
+/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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 "main/api_arrayelt.h" +#include "main/glheader.h" +#include "main/mtypes.h" +#include "main/vtxfmt.h" +#include "vbo_context.h" + + + +void vbo_exec_init( struct gl_context *ctx ) +{ + struct vbo_exec_context *exec = &vbo_context(ctx)->exec; + + exec->ctx = ctx; + + /* Initialize the arrayelt helper + */ + if (!ctx->aelt_context && + !_ae_create_context( ctx )) + return; + + vbo_exec_vtx_init( exec ); + vbo_exec_array_init( exec ); + + /* Hook our functions into exec and compile dispatch tables. + */ + _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt ); + + ctx->Driver.NeedFlush = 0; + ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; + ctx->Driver.BeginVertices = vbo_exec_BeginVertices; + ctx->Driver.FlushVertices = vbo_exec_FlushVertices; + + vbo_exec_invalidate_state( ctx, ~0 ); +} + + +void vbo_exec_destroy( struct gl_context *ctx ) +{ + struct vbo_exec_context *exec = &vbo_context(ctx)->exec; + + if (ctx->aelt_context) { + _ae_destroy_context( ctx ); + ctx->aelt_context = NULL; + } + + vbo_exec_vtx_destroy( exec ); + vbo_exec_array_destroy( exec ); +} + + +/** + * Really want to install these callbacks to a central facility to be + * invoked according to the state flags. That will have to wait for a + * mesa rework: + */ +void vbo_exec_invalidate_state( struct gl_context *ctx, GLuint new_state ) +{ + struct vbo_exec_context *exec = &vbo_context(ctx)->exec; + + if (new_state & (_NEW_PROGRAM|_NEW_EVAL)) + exec->eval.recalculate_maps = 1; + + _ae_invalidate_state(ctx, new_state); +} + + +/** + * Figure out the number of transform feedback primitives that will be output + * by the given _mesa_prim command, assuming that no geometry shading is done + * and primitive restart is not used. + * + * This is intended for use by driver back-ends in implementing the + * PRIMITIVES_GENERATED and TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN queries. + */ +size_t +count_tessellated_primitives(const struct _mesa_prim *prim) +{ + size_t num_primitives; + switch (prim->mode) { + case GL_POINTS: + num_primitives = prim->count; + break; + case GL_LINE_STRIP: + num_primitives = prim->count >= 2 ? prim->count - 1 : 0; + break; + case GL_LINE_LOOP: + num_primitives = prim->count >= 2 ? prim->count : 0; + break; + case GL_LINES: + num_primitives = prim->count / 2; + break; + case GL_TRIANGLE_STRIP: + case GL_TRIANGLE_FAN: + case GL_POLYGON: + num_primitives = prim->count >= 3 ? prim->count - 2 : 0; + break; + case GL_TRIANGLES: + num_primitives = prim->count / 3; + break; + case GL_QUAD_STRIP: + num_primitives = prim->count >= 4 ? ((prim->count / 2) - 1) * 2 : 0; + break; + case GL_QUADS: + num_primitives = (prim->count / 4) * 2; + break; + default: + assert(!"Unexpected primitive type in count_tessellated_primitives"); + num_primitives = 0; + break; + } + return num_primitives * prim->num_instances; +} |