summaryrefslogtreecommitdiff
path: root/src/mesa/swrast_setup/ss_context.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/swrast_setup/ss_context.c')
-rw-r--r--src/mesa/swrast_setup/ss_context.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/src/mesa/swrast_setup/ss_context.c b/src/mesa/swrast_setup/ss_context.c
new file mode 100644
index 0000000000..4809e6f328
--- /dev/null
+++ b/src/mesa/swrast_setup/ss_context.c
@@ -0,0 +1,230 @@
+/* $Id: ss_context.c,v 1.1 2000/11/05 18:20:18 keithw Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.5
+ *
+ * Copyright (C) 1999 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 <keithw@valinux.com>
+ */
+
+
+#include "glheader.h"
+#include "mem.h"
+
+
+#include "ss_context.h"
+#include "ss_triangle.h"
+#include "ss_vb.h"
+
+#include "swrast_setup.h"
+
+
+/* Stub for swsetup->Triangle to select a true triangle function
+ * after a state change.
+ */
+static void
+_swsetup_validate_quad( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint v3, GLuint pv )
+{
+ _swsetup_choose_trifuncs( ctx );
+ SWSETUP_CONTEXT(ctx)->Quad( ctx, v0, v1, v2, v3, pv );
+}
+
+static void
+_swsetup_validate_triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ _swsetup_choose_trifuncs( ctx );
+ SWSETUP_CONTEXT(ctx)->Triangle( ctx, v0, v1, v2, pv );
+}
+
+static void
+_swsetup_validate_line( GLcontext *ctx, GLuint v0, GLuint v1, GLuint pv )
+{
+ _swsetup_choose_trifuncs( ctx );
+ SWSETUP_CONTEXT(ctx)->Line( ctx, v0, v1, pv );
+}
+
+
+static void
+_swsetup_validate_points( GLcontext *ctx, GLuint first, GLuint last )
+{
+ _swsetup_choose_trifuncs( ctx );
+ SWSETUP_CONTEXT(ctx)->Points( ctx, first, last );
+}
+
+
+
+static void
+_swsetup_validate_rastersetup( struct vertex_buffer *VB,
+ GLuint start, GLuint end )
+{
+ GLcontext *ctx = VB->ctx;
+ _swsetup_choose_rastersetup_func( ctx );
+ SWSETUP_CONTEXT(ctx)->RasterSetup( VB, start, end );
+}
+
+
+#define _SWSETUP_NEW_RASTERSETUP (_NEW_RENDERMODE| \
+ _NEW_TEXTURE| \
+ _NEW_COLOR| \
+ _NEW_FOG| \
+ _NEW_POINT)
+
+#define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT)
+
+
+#if 0
+/* TODO: sleep/wakeup mechanism
+ */
+static void
+_swsetup_sleep( GLcontext *ctx, GLuint new_state )
+{
+}
+#endif
+
+static void
+_swsetup_invalidate_state( GLcontext *ctx, GLuint new_state )
+{
+ SScontext *swsetup = SWSETUP_CONTEXT(ctx);
+
+ swsetup->NewState |= new_state;
+
+
+ if (new_state & _SWSETUP_NEW_RENDERINDEX) {
+ swsetup->Triangle = _swsetup_validate_triangle;
+ swsetup->Line = _swsetup_validate_line;
+ swsetup->Points = _swsetup_validate_points;
+ swsetup->Quad = _swsetup_validate_quad;
+ }
+
+ if (new_state & _SWSETUP_NEW_RASTERSETUP) {
+ swsetup->RasterSetup = _swsetup_validate_rastersetup;
+ }
+}
+
+
+
+/* Dispatch from these fixed entrypoints to the state-dependent
+ * functions:
+ */
+void
+_swsetup_Quad( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint v3, GLuint pv )
+{
+ SWSETUP_CONTEXT(ctx)->Quad( ctx, v0, v1, v2, v3, pv );
+}
+
+void
+_swsetup_Triangle( GLcontext *ctx, GLuint v0, GLuint v1,
+ GLuint v2, GLuint pv )
+{
+ SWSETUP_CONTEXT(ctx)->Triangle( ctx, v0, v1, v2, pv );
+}
+
+void
+_swsetup_Line( GLcontext *ctx, GLuint v0, GLuint v1, GLuint pv )
+{
+ SWSETUP_CONTEXT(ctx)->Line( ctx, v0, v1, pv );
+}
+
+
+void
+_swsetup_Points( GLcontext *ctx, GLuint first, GLuint last )
+{
+ SWSETUP_CONTEXT(ctx)->Points( ctx, first, last );
+}
+
+void
+_swsetup_RasterSetup( struct vertex_buffer *VB, GLuint start, GLuint end )
+{
+ SWSETUP_CONTEXT(VB->ctx)->RasterSetup( VB, start, end );
+}
+
+void
+_swsetup_InvalidateState( GLcontext *ctx, GLuint new_state )
+{
+ SWSETUP_CONTEXT(ctx)->InvalidateState( ctx, new_state );
+}
+
+
+GLboolean
+_swsetup_CreateContext( GLcontext *ctx )
+{
+ SScontext *swsetup = (SScontext *)CALLOC(sizeof(SScontext));
+
+ if (!swsetup)
+ return GL_FALSE;
+
+ ctx->swsetup_context = swsetup;
+
+ swsetup->NewState = ~0;
+ swsetup->InvalidateState = _swsetup_invalidate_state;
+ swsetup->Quad = _swsetup_validate_quad;
+ swsetup->Triangle = _swsetup_validate_triangle;
+ swsetup->Line = _swsetup_validate_line;
+ swsetup->Points = _swsetup_validate_points;
+ swsetup->RasterSetup = _swsetup_validate_rastersetup;
+
+ _swsetup_vb_init( ctx );
+ _swsetup_trifuncs_init( ctx );
+
+ return GL_TRUE;
+}
+
+void
+_swsetup_DestroyContext( GLcontext *ctx )
+{
+ if (SWSETUP_CONTEXT(ctx)) {
+ FREE(SWSETUP_CONTEXT(ctx));
+ ctx->swsetup_context = 0;
+ }
+}
+
+GLboolean
+_swsetup_RegisterVB( struct vertex_buffer *VB )
+{
+ SSvertexbuffer *ssvb = (SSvertexbuffer *)CALLOC(sizeof(SSvertexbuffer) );
+
+ ssvb->verts = ALIGN_MALLOC( sizeof(SWvertex) * VB->Size, 32);
+ if (!ssvb->verts) {
+ FREE(ssvb);
+ return GL_FALSE;
+ }
+
+ VB->swsetup_vb = ssvb;
+ return GL_TRUE;
+}
+
+
+void
+_swsetup_UnregisterVB( struct vertex_buffer *VB )
+{
+ SSvertexbuffer *ssvb = SWSETUP_VB(VB);
+
+ if (ssvb) {
+ if (ssvb->verts) ALIGN_FREE(ssvb->verts);
+ FREE(ssvb);
+ VB->swsetup_vb = 0;
+ }
+}