1 files changed, 141 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/r600/core/radeon_draw.c b/src/gallium/winsys/drm/r600/core/radeon_draw.c
new file mode 100644
index 00000000000..4413ed79fbd
--- /dev/null
+++ b/src/gallium/winsys/drm/r600/core/radeon_draw.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
+ *
+ * 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
+ * THE AUTHOR(S) 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:
+ *      Jerome Glisse
+ */
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "radeon_priv.h"
+
+/*
+ * draw functions
+ */
+struct radeon_draw *radeon_draw(struct radeon *radeon)
+{
+	struct radeon_draw *draw;
+
+	draw = calloc(1, sizeof(*draw));
+	if (draw == NULL)
+		return NULL;
+	draw->nstate = radeon->nstate;
+	draw->radeon = radeon;
+	draw->refcount = 1;
+	draw->state = calloc(1, sizeof(void*) * draw->nstate);
+	if (draw->state == NULL) {
+		free(draw);
+		return NULL;
+	}
+	return draw;
+}
+
+struct radeon_draw *radeon_draw_incref(struct radeon_draw *draw)
+{
+	draw->refcount++;
+	return draw;
+}
+
+struct radeon_draw *radeon_draw_decref(struct radeon_draw *draw)
+{
+	unsigned i;
+
+	if (draw == NULL)
+		return NULL;
+	if (--draw->refcount > 0)
+		return NULL;
+	for (i = 0; i < draw->nstate; i++) {
+		draw->state[i] = radeon_state_decref(draw->state[i]);
+	}
+	free(draw->state);
+	memset(draw, 0, sizeof(*draw));
+	free(draw);
+	return NULL;
+}
+
+int radeon_draw_set_new(struct radeon_draw *draw, struct radeon_state *state)
+{
+	if (state == NULL)
+		return 0;
+	if (state->type >= draw->radeon->ntype)
+		return -EINVAL;
+	draw->state[state->id] = radeon_state_decref(draw->state[state->id]);
+	draw->state[state->id] = state;
+	return 0;
+}
+
+int radeon_draw_set(struct radeon_draw *draw, struct radeon_state *state)
+{
+	if (state == NULL)
+		return 0;
+	radeon_state_incref(state);
+	return radeon_draw_set_new(draw, state);
+}
+
+int radeon_draw_check(struct radeon_draw *draw)
+{
+	unsigned i;
+	int r;
+
+	r = radeon_draw_pm4(draw);
+	if (r)
+		return r;
+	for (i = 0, draw->cpm4 = 0; i < draw->nstate; i++) {
+		if (draw->state[i]) {
+			draw->cpm4 += draw->state[i]->cpm4;
+		}
+	}
+	return 0;
+}
+
+struct radeon_draw *radeon_draw_duplicate(struct radeon_draw *draw)
+{
+	struct radeon_draw *ndraw;
+	unsigned i;
+
+	if (draw == NULL)
+		return NULL;
+	ndraw = radeon_draw(draw->radeon);
+	if (ndraw == NULL) {
+		return NULL;
+	}
+	for (i = 0; i < draw->nstate; i++) {
+		if (radeon_draw_set(ndraw, draw->state[i])) {
+			radeon_draw_decref(ndraw);
+			return NULL;
+		}
+	}
+	return ndraw;
+}
+
+int radeon_draw_pm4(struct radeon_draw *draw)
+{
+	unsigned i;
+	int r;
+
+	for (i = 0; i < draw->nstate; i++) {
+		r = radeon_state_pm4(draw->state[i]);
+		if (r)
+			return r;
+	}
+	return 0;
+}