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-rw-r--r--src/gallium/drivers/llvmpipe/Makefile1
-rw-r--r--src/gallium/drivers/llvmpipe/SConscript1
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld.h13
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_logicop.c100
4 files changed, 115 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile
index e06bf6668f6..c7af3bf1dc6 100644
--- a/src/gallium/drivers/llvmpipe/Makefile
+++ b/src/gallium/drivers/llvmpipe/Makefile
@@ -12,6 +12,7 @@ C_SOURCES = \
lp_bld_load.c \
lp_bld_store.c \
lp_bld_loop.c \
+ lp_bld_logicop.c \
lp_clear.c \
lp_flush.c \
lp_query.c \
diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript
index bba283f2968..128facee02e 100644
--- a/src/gallium/drivers/llvmpipe/SConscript
+++ b/src/gallium/drivers/llvmpipe/SConscript
@@ -15,6 +15,7 @@ llvmpipe = env.ConvenienceLibrary(
'lp_bld_load.c',
'lp_bld_store.c',
'lp_bld_loop.c',
+ 'lp_bld_logicop.c',
'lp_clear.c',
'lp_context.c',
'lp_draw_arrays.c',
diff --git a/src/gallium/drivers/llvmpipe/lp_bld.h b/src/gallium/drivers/llvmpipe/lp_bld.h
index 44343f644ba..e722e0b7a11 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld.h
@@ -115,4 +115,17 @@ lp_build_loop_end(LLVMBuilderRef builder,
struct lp_build_loop_state *state);
+/**
+ * Apply a logic op.
+ *
+ * src/dst parameters are packed values. It should work regardless the inputs
+ * are scalars, or a vector.
+ */
+LLVMValueRef
+lp_build_logicop(LLVMBuilderRef builder,
+ unsigned logicop_func,
+ LLVMValueRef src,
+ LLVMValueRef dst);
+
+
#endif /* !LP_BLD_H */
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_logicop.c b/src/gallium/drivers/llvmpipe/lp_bld_logicop.c
new file mode 100644
index 00000000000..a04544d3651
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_bld_logicop.c
@@ -0,0 +1,100 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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 VMWARE 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 "pipe/p_state.h"
+
+#include "lp_bld.h"
+
+
+LLVMValueRef
+lp_build_logicop(LLVMBuilderRef builder,
+ unsigned logicop_func,
+ LLVMValueRef src,
+ LLVMValueRef dst)
+{
+ LLVMTypeRef type;
+ LLVMValueRef res;
+
+ type = LLVMTypeOf(src);
+
+ switch (logicop_func) {
+ case PIPE_LOGICOP_CLEAR:
+ res = LLVMConstNull(type);
+ break;
+ case PIPE_LOGICOP_NOR:
+ res = LLVMBuildNot(builder, LLVMBuildOr(builder, src, dst, ""), "");
+ break;
+ case PIPE_LOGICOP_AND_INVERTED:
+ res = LLVMBuildAnd(builder, LLVMBuildNot(builder, src, ""), dst, "");
+ break;
+ case PIPE_LOGICOP_COPY_INVERTED:
+ res = LLVMBuildNot(builder, src, "");
+ break;
+ case PIPE_LOGICOP_AND_REVERSE:
+ res = LLVMBuildAnd(builder, src, LLVMBuildNot(builder, dst, ""), "");
+ break;
+ case PIPE_LOGICOP_INVERT:
+ res = LLVMBuildNot(builder, dst, "");
+ break;
+ case PIPE_LOGICOP_XOR:
+ res = LLVMBuildXor(builder, src, dst, "");
+ break;
+ case PIPE_LOGICOP_NAND:
+ res = LLVMBuildNot(builder, LLVMBuildAnd(builder, src, dst, ""), "");
+ break;
+ case PIPE_LOGICOP_AND:
+ res = LLVMBuildAnd(builder, src, dst, "");
+ break;
+ case PIPE_LOGICOP_EQUIV:
+ res = LLVMBuildNot(builder, LLVMBuildXor(builder, src, dst, ""), "");
+ break;
+ case PIPE_LOGICOP_NOOP:
+ res = dst;
+ break;
+ case PIPE_LOGICOP_OR_INVERTED:
+ res = LLVMBuildOr(builder, LLVMBuildNot(builder, src, ""), dst, "");
+ break;
+ case PIPE_LOGICOP_COPY:
+ res = src;
+ break;
+ case PIPE_LOGICOP_OR_REVERSE:
+ res = LLVMBuildOr(builder, src, LLVMBuildNot(builder, dst, ""), "");
+ break;
+ case PIPE_LOGICOP_OR:
+ res = LLVMBuildOr(builder, src, dst, "");
+ break;
+ case PIPE_LOGICOP_SET:
+ res = LLVMConstAllOnes(type);
+ break;
+ default:
+ assert(0);
+ res = src;
+ }
+
+ return res;
+}