Added MesaLib-7.6

1 files changed, 181 insertions, 0 deletions

diff --git a/mesalib/src/mesa/tnl/t_vertex.h b/mesalib/src/mesa/tnl/t_vertex.h
new file mode 100644
index 000000000..2dfd7b57f
--- /dev/null
+++ b/mesalib/src/mesa/tnl/t_vertex.h
@@ -0,0 +1,181 @@
+/*
+ * Copyright 2003 Tungsten Graphics, inc.
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 (including the next
+ * paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS 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 <keithw@tungstengraphics.com>
+ */
+
+#ifndef _TNL_VERTEX_H
+#define _TNL_VERTEX_H
+
+#include "main/mtypes.h"
+#include "t_context.h"
+
+/* New mechanism to specify hardware vertices so that tnl can build
+ * and manipulate them directly.  
+ */
+
+
+/* It will probably be necessary to allow drivers to specify new
+ * emit-styles to cover all the wierd and wacky things out there.
+ */
+enum tnl_attr_format {
+   EMIT_1F,
+   EMIT_2F,
+   EMIT_3F,
+   EMIT_4F,
+   EMIT_2F_VIEWPORT,		/* do viewport transform and emit */
+   EMIT_3F_VIEWPORT,		/* do viewport transform and emit */
+   EMIT_4F_VIEWPORT,		/* do viewport transform and emit */
+   EMIT_3F_XYW,			/* for projective texture */
+   EMIT_1UB_1F,			/* for fog coordinate */
+   EMIT_3UB_3F_RGB,		/* for specular color */
+   EMIT_3UB_3F_BGR,		/* for specular color */
+   EMIT_4UB_4F_RGBA,		/* for color */
+   EMIT_4UB_4F_BGRA,		/* for color */
+   EMIT_4UB_4F_ARGB,		/* for color */
+   EMIT_4UB_4F_ABGR,		/* for color */
+   EMIT_4CHAN_4F_RGBA,		/* for swrast color */
+   EMIT_PAD,			/* leave a hole of 'offset' bytes */
+   EMIT_MAX
+};
+
+struct tnl_attr_map {
+   GLuint attrib;			/* _TNL_ATTRIB_ enum */
+   enum tnl_attr_format format;
+   GLuint offset;
+};
+
+struct tnl_format_info {
+   const char *name;
+   tnl_extract_func extract;
+   tnl_insert_func insert[4];
+   const GLuint attrsize;
+};
+
+extern const struct tnl_format_info _tnl_format_info[EMIT_MAX];
+
+
+/* Interpolate between two vertices to produce a third:
+ */
+extern void _tnl_interp( GLcontext *ctx,
+			 GLfloat t,
+			 GLuint edst, GLuint eout, GLuint ein,
+			 GLboolean force_boundary );
+
+/* Copy colors from one vertex to another:
+ */
+extern void _tnl_copy_pv(  GLcontext *ctx, GLuint edst, GLuint esrc );
+
+
+/* Extract a named attribute from a hardware vertex.  Will have to
+ * reverse any viewport transformation, swizzling or other conversions
+ * which may have been applied:
+ */
+extern void _tnl_get_attr( GLcontext *ctx, const void *vertex, GLenum attrib,
+			   GLfloat *dest );
+
+/* Complementary to the above.
+ */
+extern void _tnl_set_attr( GLcontext *ctx, void *vout, GLenum attrib, 
+			   const GLfloat *src );
+
+
+extern void *_tnl_get_vertex( GLcontext *ctx, GLuint nr );
+
+extern GLuint _tnl_install_attrs( GLcontext *ctx,
+				  const struct tnl_attr_map *map,
+				  GLuint nr, const GLfloat *vp,
+				  GLuint unpacked_size );
+
+extern void _tnl_free_vertices( GLcontext *ctx );
+
+extern void _tnl_init_vertices( GLcontext *ctx, 
+				GLuint vb_size,
+				GLuint max_vertex_size );
+
+extern void *_tnl_emit_vertices_to_buffer( GLcontext *ctx,
+					   GLuint start,
+					   GLuint end,
+					   void *dest );
+
+/* This function isn't optimal. Check out 
+ * gallium/auxilary/translate for a more comprehensive implementation of
+ * the same functionality.
+ */
+  
+extern void *_tnl_emit_indexed_vertices_to_buffer( GLcontext *ctx,
+						   const GLuint *elts,
+						   GLuint start,
+						   GLuint end,
+						   void *dest );
+
+
+extern void _tnl_build_vertices( GLcontext *ctx,
+				 GLuint start,
+				 GLuint end,
+				 GLuint newinputs );
+
+extern void _tnl_invalidate_vertices( GLcontext *ctx, GLuint newinputs );
+
+extern void _tnl_invalidate_vertex_state( GLcontext *ctx, GLuint new_state );
+
+extern void _tnl_notify_pipeline_output_change( GLcontext *ctx );
+
+
+#define GET_VERTEX_STATE(ctx)  &(TNL_CONTEXT(ctx)->clipspace)
+
+/* Internal function:
+ */
+void _tnl_register_fastpath( struct tnl_clipspace *vtx,
+			     GLboolean match_strides );
+
+
+/* t_vertex_generic.c -- Internal functions for t_vertex.c
+ */
+void _tnl_generic_copy_pv_extras( GLcontext *ctx, 
+				  GLuint dst, GLuint src );
+
+void _tnl_generic_interp_extras( GLcontext *ctx,
+				 GLfloat t,
+				 GLuint dst, GLuint out, GLuint in,
+				 GLboolean force_boundary );
+
+void _tnl_generic_copy_pv( GLcontext *ctx, GLuint edst, GLuint esrc );
+
+void _tnl_generic_interp( GLcontext *ctx,
+			  GLfloat t,
+			  GLuint edst, GLuint eout, GLuint ein,
+			  GLboolean force_boundary );
+
+void _tnl_generic_emit( GLcontext *ctx,
+			GLuint count,
+			GLubyte *v );
+
+void _tnl_generate_hardwired_emit( GLcontext *ctx );
+
+/* t_vertex_sse.c -- Internal functions for t_vertex.c
+ */
+void _tnl_generate_sse_emit( GLcontext *ctx );
+
+#endif