diff options
Diffstat (limited to 'mesalib/src/mesa/tnl/t_vb_texmat.c')
-rw-r--r-- | mesalib/src/mesa/tnl/t_vb_texmat.c | 256 |
1 files changed, 128 insertions, 128 deletions
diff --git a/mesalib/src/mesa/tnl/t_vb_texmat.c b/mesalib/src/mesa/tnl/t_vb_texmat.c index 7b30946c8..38aa51fc4 100644 --- a/mesalib/src/mesa/tnl/t_vb_texmat.c +++ b/mesalib/src/mesa/tnl/t_vb_texmat.c @@ -1,128 +1,128 @@ -/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 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/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-/* Is there any real benefit seperating texmat from texgen? It means
- * we need two lots of intermediate storage. Any changes to
- * _NEW_TEXTURE will invalidate both sets -- it's only on changes to
- * *only* _NEW_TEXTURE_MATRIX that texgen survives but texmat doesn't.
- *
- * However, the seperation of this code from the complex texgen stuff
- * is very appealing.
- */
-struct texmat_stage_data {
- GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS];
-};
-
-#define TEXMAT_STAGE_DATA(stage) ((struct texmat_stage_data *)stage->privatePtr)
-
-
-
-static GLboolean run_texmat_stage( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLuint i;
-
- if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current)
- return GL_TRUE;
-
- /* ENABLE_TEXMAT implies that the texture matrix is not the
- * identity, so we don't have to check that here.
- */
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
- if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) {
- (void) TransformRaw( &store->texcoord[i],
- ctx->TextureMatrixStack[i].Top,
- VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]);
-
- VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i];
- }
- }
-
- return GL_TRUE;
-}
-
-
-/* Called the first time stage->run() is invoked.
- */
-static GLboolean alloc_texmat_data( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- struct texmat_stage_data *store;
- GLuint i;
-
- stage->privatePtr = CALLOC(sizeof(*store));
- store = TEXMAT_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
- _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
-
- return GL_TRUE;
-}
-
-
-static void free_texmat_data( struct tnl_pipeline_stage *stage )
-{
- struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
- GLuint i;
-
- if (store) {
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
- if (store->texcoord[i].data)
- _mesa_vector4f_free( &store->texcoord[i] );
- FREE( store );
- stage->privatePtr = NULL;
- }
-}
-
-
-
-const struct tnl_pipeline_stage _tnl_texture_transform_stage =
-{
- "texture transform", /* name */
- NULL, /* private data */
- alloc_texmat_data,
- free_texmat_data, /* destructor */
- NULL,
- run_texmat_stage,
-};
+/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2006 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/glheader.h" +#include "main/colormac.h" +#include "main/macros.h" +#include "main/imports.h" +#include "main/mtypes.h" + +#include "math/m_xform.h" + +#include "t_context.h" +#include "t_pipeline.h" + +/* Is there any real benefit seperating texmat from texgen? It means + * we need two lots of intermediate storage. Any changes to + * _NEW_TEXTURE will invalidate both sets -- it's only on changes to + * *only* _NEW_TEXTURE_MATRIX that texgen survives but texmat doesn't. + * + * However, the seperation of this code from the complex texgen stuff + * is very appealing. + */ +struct texmat_stage_data { + GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS]; +}; + +#define TEXMAT_STAGE_DATA(stage) ((struct texmat_stage_data *)stage->privatePtr) + + + +static GLboolean run_texmat_stage( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLuint i; + + if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current) + return GL_TRUE; + + /* ENABLE_TEXMAT implies that the texture matrix is not the + * identity, so we don't have to check that here. + */ + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) { + if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) { + (void) TransformRaw( &store->texcoord[i], + ctx->TextureMatrixStack[i].Top, + VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]); + + VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i]; + } + } + + return GL_TRUE; +} + + +/* Called the first time stage->run() is invoked. + */ +static GLboolean alloc_texmat_data( struct gl_context *ctx, + struct tnl_pipeline_stage *stage ) +{ + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + struct texmat_stage_data *store; + GLuint i; + + stage->privatePtr = CALLOC(sizeof(*store)); + store = TEXMAT_STAGE_DATA(stage); + if (!store) + return GL_FALSE; + + for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) + _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 ); + + return GL_TRUE; +} + + +static void free_texmat_data( struct tnl_pipeline_stage *stage ) +{ + struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage); + GLuint i; + + if (store) { + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) + if (store->texcoord[i].data) + _mesa_vector4f_free( &store->texcoord[i] ); + FREE( store ); + stage->privatePtr = NULL; + } +} + + + +const struct tnl_pipeline_stage _tnl_texture_transform_stage = +{ + "texture transform", /* name */ + NULL, /* private data */ + alloc_texmat_data, + free_texmat_data, /* destructor */ + NULL, + run_texmat_stage, +}; |