/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * 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"),
#include "context.h"
#include "image.h"
#include "enums.h"
-#include "macros.h"
+#include "pack.h"
#include "polygon.h"
#include "mtypes.h"
return;
}
- ctx->_TriangleCaps &= ~DD_TRI_UNFILLED;
- if (ctx->Polygon.FrontMode!=GL_FILL || ctx->Polygon.BackMode!=GL_FILL)
+ if (ctx->Polygon.FrontMode == GL_FILL && ctx->Polygon.BackMode == GL_FILL)
+ ctx->_TriangleCaps &= ~DD_TRI_UNFILLED;
+ else
ctx->_TriangleCaps |= DD_TRI_UNFILLED;
- if (ctx->Driver.PolygonMode) {
- (*ctx->Driver.PolygonMode)( ctx, face, mode );
- }
+ if (ctx->Driver.PolygonMode)
+ ctx->Driver.PolygonMode(ctx, face, mode);
}
#if _HAVE_FULL_GL
* too.
*/
void
-_mesa_polygon_stipple(GLcontext *ctx, const GLubyte *pattern)
+_mesa_polygon_stipple(struct gl_context *ctx, const GLubyte *pattern)
{
- if (ctx->Unpack.BufferObj->Name) {
- /* Get/unpack the stipple pattern from a PBO */
- GLubyte *buf;
- if (!_mesa_validate_pbo_access(2, &ctx->Unpack, 32, 32, 1,
- GL_COLOR_INDEX, GL_BITMAP, pattern)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPolygonStipple(bad PBO access)");
- return;
- }
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- ctx->Unpack.BufferObj);
- if (!buf) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPolygonStipple(PBO mapped)");
- return;
- }
- buf = ADD_POINTERS(buf, pattern);
- _mesa_unpack_polygon_stipple(buf, ctx->PolygonStipple, &ctx->Unpack);
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
- else {
- /* Get/unpack the stipple pattern from user memory */
- _mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
- }
+ pattern = _mesa_map_validate_pbo_source(ctx, 2,
+ &ctx->Unpack, 32, 32, 1,
+ GL_COLOR_INDEX, GL_BITMAP, pattern,
+ "glPolygonStipple");
+ if (!pattern)
+ return;
+
+ _mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
+
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
}
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glGetPolygonStipple\n");
- /* XXX someday we may put this code into a separate function and call
- * it with ctx->Driver.GetPolygonStipple().
- */
- if (ctx->Pack.BufferObj->Name) {
- /* Put/pack the stipple pattern into a PBO */
- GLubyte *buf;
- if (!_mesa_validate_pbo_access(2, &ctx->Pack, 32, 32, 1,
- GL_COLOR_INDEX, GL_BITMAP, dest)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPolygonStipple(bad PBO access)");
- return;
- }
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB,
- ctx->Pack.BufferObj);
- if (!buf) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPolygonStipple(PBO mapped)");
- return;
- }
- buf = ADD_POINTERS(buf, dest);
- _mesa_pack_polygon_stipple(ctx->PolygonStipple, buf, &ctx->Pack);
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
- else {
- /* Put/pack the stipple pattern into user memory */
- _mesa_pack_polygon_stipple(ctx->PolygonStipple, dest, &ctx->Pack);
- }
+ dest = _mesa_map_validate_pbo_dest(ctx, 2,
+ &ctx->Pack, 32, 32, 1,
+ GL_COLOR_INDEX, GL_BITMAP, dest,
+ "glGetPolygonStipple");
+ if (!dest)
+ return;
+
+ _mesa_pack_polygon_stipple(ctx->PolygonStipple, dest, &ctx->Pack);
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
#endif
-/**********************************************************************/
-/** \name State Management */
-/*@{*/
-
-/*
- * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
- * in ctx->_TriangleCaps if needed.
- */
-void _mesa_update_polygon( GLcontext *ctx )
-{
- ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET);
-
- if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
-
- /* Any Polygon offsets enabled? */
- if (ctx->Polygon.OffsetPoint ||
- ctx->Polygon.OffsetLine ||
- ctx->Polygon.OffsetFill) {
- ctx->_TriangleCaps |= DD_TRI_OFFSET;
- }
-}
-
-/*@}*/
-
-
/**********************************************************************/
/** \name Initialization */
/*@{*/
*
* \param ctx GL context.
*
- * Initializes __GLcontextRec::Polygon and __GLcontextRec::PolygonStipple
+ * Initializes __struct gl_contextRec::Polygon and __struct gl_contextRec::PolygonStipple
* attribute groups.
*/
-void _mesa_init_polygon( GLcontext * ctx )
+void _mesa_init_polygon( struct gl_context * ctx )
{
/* Polygon group */
ctx->Polygon.CullFlag = GL_FALSE;
/* Polygon Stipple group */
- MEMSET( ctx->PolygonStipple, 0xff, 32*sizeof(GLuint) );
+ memset( ctx->PolygonStipple, 0xff, 32*sizeof(GLuint) );
}
/*@}*/