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-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_blend.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_blend.c b/src/gallium/drivers/llvmpipe/lp_state_blend.c
new file mode 100644
index 0000000000..3f03bd0057
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_state_blend.c
@@ -0,0 +1,114 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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.
+ *
+ **************************************************************************/
+
+/**
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ * @author Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "util/u_memory.h"
+#include "util/u_math.h"
+#include "util/u_debug_dump.h"
+#include "lp_screen.h"
+#include "lp_context.h"
+#include "lp_state.h"
+
+
+void *
+llvmpipe_create_blend_state(struct pipe_context *pipe,
+ const struct pipe_blend_state *blend)
+{
+ return mem_dup(blend, sizeof(*blend));
+}
+
+void llvmpipe_bind_blend_state( struct pipe_context *pipe,
+ void *blend )
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+
+ llvmpipe->blend = blend;
+
+ llvmpipe->dirty |= LP_NEW_BLEND;
+}
+
+void llvmpipe_delete_blend_state(struct pipe_context *pipe,
+ void *blend)
+{
+ FREE( blend );
+}
+
+
+void llvmpipe_set_blend_color( struct pipe_context *pipe,
+ const struct pipe_blend_color *blend_color )
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+ unsigned i, j;
+
+ memcpy(&llvmpipe->blend_color, blend_color, sizeof *blend_color);
+
+ if(!llvmpipe->jit_context.blend_color)
+ llvmpipe->jit_context.blend_color = align_malloc(4 * 16, 16);
+ for (i = 0; i < 4; ++i) {
+ uint8_t c = float_to_ubyte(blend_color->color[i]);
+ for (j = 0; j < 16; ++j)
+ llvmpipe->jit_context.blend_color[i*4 + j] = c;
+ }
+}
+
+
+/** XXX move someday? Or consolidate all these simple state setters
+ * into one file.
+ */
+
+
+void *
+llvmpipe_create_depth_stencil_state(struct pipe_context *pipe,
+ const struct pipe_depth_stencil_alpha_state *depth_stencil)
+{
+ return mem_dup(depth_stencil, sizeof(*depth_stencil));
+}
+
+void
+llvmpipe_bind_depth_stencil_state(struct pipe_context *pipe,
+ void *depth_stencil)
+{
+ struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
+
+ llvmpipe->depth_stencil = (const struct pipe_depth_stencil_alpha_state *)depth_stencil;
+
+ if(llvmpipe->depth_stencil)
+ llvmpipe->jit_context.alpha_ref_value = llvmpipe->depth_stencil->alpha.ref_value;
+
+ llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA;
+}
+
+void
+llvmpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
+{
+ FREE( depth );
+}