summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/llvmpipe/lp_state_sampler.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_sampler.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_sampler.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_sampler.c b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
new file mode 100644
index 0000000000..4fef541b1e
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
@@ -0,0 +1,117 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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:
+ * Brian Paul
+ */
+
+#include "util/u_memory.h"
+
+#include "draw/draw_context.h"
+
+#include "lp_context.h"
+#include "lp_context.h"
+#include "lp_state.h"
+#include "lp_texture.h"
+#include "lp_tex_cache.h"
+#include "draw/draw_context.h"
+
+
+
+void *
+llvmpipe_create_sampler_state(struct pipe_context *pipe,
+ const struct pipe_sampler_state *sampler)
+{
+ return mem_dup(sampler, sizeof(*sampler));
+}
+
+
+void
+llvmpipe_bind_sampler_states(struct pipe_context *pipe,
+ unsigned num, void **sampler)
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+ unsigned i;
+
+ assert(num <= PIPE_MAX_SAMPLERS);
+
+ /* Check for no-op */
+ if (num == llvmpipe->num_samplers &&
+ !memcmp(llvmpipe->sampler, sampler, num * sizeof(void *)))
+ return;
+
+ draw_flush(llvmpipe->draw);
+
+ for (i = 0; i < num; ++i)
+ llvmpipe->sampler[i] = sampler[i];
+ for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
+ llvmpipe->sampler[i] = NULL;
+
+ llvmpipe->num_samplers = num;
+
+ llvmpipe->dirty |= LP_NEW_SAMPLER;
+}
+
+
+void
+llvmpipe_set_sampler_textures(struct pipe_context *pipe,
+ unsigned num, struct pipe_texture **texture)
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+ uint i;
+
+ assert(num <= PIPE_MAX_SAMPLERS);
+
+ /* Check for no-op */
+ if (num == llvmpipe->num_textures &&
+ !memcmp(llvmpipe->texture, texture, num * sizeof(struct pipe_texture *)))
+ return;
+
+ draw_flush(llvmpipe->draw);
+
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+ struct pipe_texture *tex = i < num ? texture[i] : NULL;
+
+ pipe_texture_reference(&llvmpipe->texture[i], tex);
+ lp_tex_tile_cache_set_texture(llvmpipe->tex_cache[i], tex);
+ }
+
+ llvmpipe->num_textures = num;
+
+ llvmpipe->dirty |= LP_NEW_TEXTURE;
+}
+
+
+void
+llvmpipe_delete_sampler_state(struct pipe_context *pipe,
+ void *sampler)
+{
+ FREE( sampler );
+}
+
+
+