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-rw-r--r--src/mesa/softpipe/generic/g_state_setup.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mesa/softpipe/generic/g_state_setup.c b/src/mesa/softpipe/generic/g_state_setup.c
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index 0000000000..2a5176c5a1
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+++ b/src/mesa/softpipe/generic/g_state_setup.c
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+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "g_context.h"
+#include "g_state.h"
+#include "g_prim.h"
+
+
+
+
+static void validate_prim_pipe( struct generic_context *generic )
+{
+ struct prim_stage *next = generic->prim.setup;
+
+ /* TODO: make the current primitive part of the state and build
+ * shorter pipelines for lines & points.
+ */
+ if (generic->setup.fill_cw != FILL_TRI ||
+ generic->setup.fill_ccw != FILL_TRI) {
+
+ generic->prim.unfilled->next = next;
+ next = generic->prim.unfilled;
+ }
+
+ if (generic->setup.offset_cw ||
+ generic->setup.offset_ccw) {
+ generic->prim.offset->next = next;
+ next = generic->prim.offset;
+ }
+
+ if (generic->setup.light_twoside) {
+ generic->prim.twoside->next = next;
+ next = generic->prim.twoside;
+ }
+
+ /* Always run the cull stage as we calculate determinant there
+ * also. Fix this..
+ */
+ {
+ generic->prim.cull->next = next;
+ next = generic->prim.cull;
+ }
+
+
+ /* Clip stage
+ */
+ {
+ generic->prim.clip->next = next;
+ next = generic->prim.clip;
+ }
+
+ /* Do software flatshading prior to clipping. XXX: should only do
+ * this for clipped primitives, ie it is a part of the clip
+ * routine.
+ */
+ if (generic->setup.flatshade) {
+ generic->prim.flatshade->next = next;
+ next = generic->prim.flatshade;
+ }
+
+
+ generic->prim.first = next;
+}
+
+
+
+
+void generic_set_setup_state( struct softpipe_context *softpipe,
+ const struct softpipe_setup_state *setup )
+{
+ struct generic_context *generic = generic_context(softpipe);
+
+ memcpy( &generic->setup, setup, sizeof(*setup) );
+
+ validate_prim_pipe( generic );
+ generic->dirty |= G_NEW_SETUP;
+}
+
+
+
+void generic_set_scissor_rect( struct softpipe_context *softpipe,
+ const struct softpipe_scissor_rect *scissor )
+{
+ struct generic_context *generic = generic_context(softpipe);
+
+ memcpy( &generic->scissor, scissor, sizeof(*scissor) );
+ generic->dirty |= G_NEW_SCISSOR;
+}
+
+
+void generic_set_polygon_stipple( struct softpipe_context *softpipe,
+ const struct softpipe_poly_stipple *stipple )
+{
+ struct generic_context *generic = generic_context(softpipe);
+
+ memcpy( &generic->poly_stipple, stipple, sizeof(*stipple) );
+ generic->dirty |= G_NEW_STIPPLE;
+}