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 985d137e5..7b30946c8 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( GLcontext *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( GLcontext *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,
+};
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