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authorKeith Whitwell <keith@tungstengraphics.com>2007-08-02 13:59:31 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2007-08-02 13:59:31 +0100
commit4f442d9ef5db42867c99a7288b4114a0340f73e6 (patch)
tree10f6dbab05ad7ed5d88b565273263f8f74e23354 /src/mesa/state_tracker
parent1ecc648398a51f734ef1e3b729595f41cedf29f9 (diff)
Reroute some clear functionality.
Still require the intelClear() call to flush batchbuffers. That will be removed later...
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_cb_clear.c89
-rw-r--r--src/mesa/state_tracker/st_context.c1
-rw-r--r--src/mesa/state_tracker/st_draw.c11
3 files changed, 90 insertions, 11 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
new file mode 100644
index 00000000000..d9cb83b8ad2
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -0,0 +1,89 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, 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 ITS 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 <keith@tungstengraphics.com>
+ * Brian Paul
+ */
+
+#include "st_context.h"
+#include "glheader.h"
+#include "macros.h"
+#include "enums.h"
+#include "st_context.h"
+#include "st_atom.h"
+#include "pipe/p_context.h"
+
+
+
+/* XXX: doesn't pick up the differences between front/back/left/right
+ * clears. Need to sort that out...
+ */
+static void st_clear(GLcontext *ctx, GLbitfield mask)
+{
+ struct st_context *st = ctx->st;
+ GLboolean color = (mask & BUFFER_BITS_COLOR) ? GL_TRUE : GL_FALSE;
+ GLboolean depth = (mask & BUFFER_BIT_DEPTH) ? GL_TRUE : GL_FALSE;
+ GLboolean stencil = (mask & BUFFER_BIT_STENCIL) ? GL_TRUE : GL_FALSE;
+ GLboolean accum = (mask & BUFFER_BIT_ACCUM) ? GL_TRUE : GL_FALSE;
+ GLboolean fullscreen = 1; /* :-) */
+
+ /* This makes sure the softpipe has the latest scissor, etc values */
+ st_validate_state( st );
+
+ if (fullscreen) {
+ /* pipe->clear() should clear a particular surface, so that we
+ * can iterate over render buffers at this level and clear the
+ * ones GL is asking for.
+ *
+ * Will probably need something like pipe->clear_z_stencil() to
+ * cope with the special case of paired and unpaired z/stencil
+ * buffers, though could perhaps deal with them explicitly at
+ * this level.
+ */
+ st->pipe->clear(st->pipe, color, depth, stencil, accum);
+ }
+ else {
+ /* Convert to geometry, etc:
+ */
+ }
+}
+
+
+void st_init_cb_clear( struct st_context *st )
+{
+ struct dd_function_table *functions = &st->ctx->Driver;
+
+ functions->Clear = st_clear;
+}
+
+
+void st_destroy_cb_clear( struct st_context *st )
+{
+}
+
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 6308e81a619..4d3f0ec4d30 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -58,6 +58,7 @@ struct st_context *st_create_context( GLcontext *ctx,
st_init_atoms( st );
st_init_draw( st );
st_init_cb_program( st );
+ st_init_cb_clear( st );
return st;
}
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index a424d1dd050..95fa43df4da 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -107,14 +107,3 @@ void st_destroy_draw( struct st_context *st )
}
-/** XXX temporary here */
-void
-st_clear(struct st_context *st, GLboolean color, GLboolean depth,
- GLboolean stencil, GLboolean accum)
-{
- /* This makes sure the softpipe has the latest scissor, etc values */
- st_validate_state( st );
-
- st->pipe->clear(st->pipe, color, depth, stencil, accum);
-}
-