lp_bld_debug.c \
lp_bld_depth.c \
lp_bld_flow.c \
+ lp_bld_format.c \
lp_bld_interp.c \
lp_bld_intr.c \
- lp_bld_pack.c \
- lp_bld_unpack.c \
- lp_bld_load.c \
- lp_bld_store.c \
lp_bld_logic.c \
lp_bld_swizzle.c \
lp_bld_struct.c \
'lp_bld_debug.c',
'lp_bld_depth.c',
'lp_bld_flow.c',
+ 'lp_bld_format.c',
'lp_bld_interp.c',
'lp_bld_intr.c',
- 'lp_bld_pack.c',
- 'lp_bld_unpack.c',
- 'lp_bld_load.c',
- 'lp_bld_store.c',
'lp_bld_struct.c',
'lp_bld_logic.c',
'lp_bld_swizzle.c',
--- /dev/null
+/**************************************************************************
+ *
+ * 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 "util/u_format.h"
+
+#include "lp_bld_format.h"
+
+
+LLVMValueRef
+lp_build_unpack_rgba(LLVMBuilderRef builder,
+ enum pipe_format format,
+ LLVMValueRef packed)
+{
+ const struct util_format_description *desc;
+ LLVMTypeRef type;
+ LLVMValueRef shifted, casted, scaled, masked;
+ LLVMValueRef shifts[4];
+ LLVMValueRef masks[4];
+ LLVMValueRef scales[4];
+ LLVMValueRef swizzles[4];
+ LLVMValueRef aux[4];
+ bool normalized;
+ int empty_channel;
+ unsigned shift;
+ unsigned i;
+
+ desc = util_format_description(format);
+
+ /* FIXME: Support more formats */
+ assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
+ assert(desc->block.width == 1);
+ assert(desc->block.height == 1);
+ assert(desc->block.bits <= 32);
+
+ type = LLVMIntType(desc->block.bits);
+
+ /* Do the intermediate integer computations with 32bit integers since it
+ * matches floating point size */
+ if (desc->block.bits < 32)
+ packed = LLVMBuildZExt(builder, packed, LLVMInt32Type(), "");
+
+ /* Broadcast the packed value to all four channels */
+ packed = LLVMBuildInsertElement(builder,
+ LLVMGetUndef(LLVMVectorType(LLVMInt32Type(), 4)),
+ packed,
+ LLVMConstNull(LLVMInt32Type()),
+ "");
+ packed = LLVMBuildShuffleVector(builder,
+ packed,
+ LLVMGetUndef(LLVMVectorType(LLVMInt32Type(), 4)),
+ LLVMConstNull(LLVMVectorType(LLVMInt32Type(), 4)),
+ "");
+
+ /* Initialize vector constants */
+ normalized = FALSE;
+ empty_channel = -1;
+ shift = 0;
+ for (i = 0; i < 4; ++i) {
+ unsigned bits = desc->channel[i].size;
+
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_VOID) {
+ shifts[i] = LLVMGetUndef(LLVMInt32Type());
+ masks[i] = LLVMConstNull(LLVMInt32Type());
+ scales[i] = LLVMConstNull(LLVMFloatType());
+ empty_channel = i;
+ }
+ else {
+ unsigned mask = (1 << bits) - 1;
+
+ assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED);
+ assert(bits < 32);
+
+ shifts[i] = LLVMConstInt(LLVMInt32Type(), shift, 0);
+ masks[i] = LLVMConstInt(LLVMInt32Type(), mask, 0);
+
+ if (desc->channel[i].normalized) {
+ scales[i] = LLVMConstReal(LLVMFloatType(), 1.0/mask);
+ normalized = TRUE;
+ }
+ else
+ scales[i] = LLVMConstReal(LLVMFloatType(), 1.0);
+ }
+
+ shift += bits;
+ }
+
+ shifted = LLVMBuildLShr(builder, packed, LLVMConstVector(shifts, 4), "");
+ masked = LLVMBuildAnd(builder, shifted, LLVMConstVector(masks, 4), "");
+ // UIToFP can't be expressed in SSE2
+ casted = LLVMBuildSIToFP(builder, masked, LLVMVectorType(LLVMFloatType(), 4), "");
+
+ if (normalized)
+ scaled = LLVMBuildMul(builder, casted, LLVMConstVector(scales, 4), "");
+ else
+ scaled = casted;
+
+ for (i = 0; i < 4; ++i)
+ aux[i] = LLVMGetUndef(LLVMFloatType());
+
+ for (i = 0; i < 4; ++i) {
+ enum util_format_swizzle swizzle = desc->swizzle[i];
+
+ switch (swizzle) {
+ case UTIL_FORMAT_SWIZZLE_X:
+ case UTIL_FORMAT_SWIZZLE_Y:
+ case UTIL_FORMAT_SWIZZLE_Z:
+ case UTIL_FORMAT_SWIZZLE_W:
+ swizzles[i] = LLVMConstInt(LLVMInt32Type(), swizzle, 0);
+ break;
+ case UTIL_FORMAT_SWIZZLE_0:
+ assert(empty_channel >= 0);
+ swizzles[i] = LLVMConstInt(LLVMInt32Type(), empty_channel, 0);
+ break;
+ case UTIL_FORMAT_SWIZZLE_1:
+ swizzles[i] = LLVMConstInt(LLVMInt32Type(), 4, 0);
+ aux[0] = LLVMConstReal(LLVMFloatType(), 1.0);
+ break;
+ case UTIL_FORMAT_SWIZZLE_NONE:
+ swizzles[i] = LLVMGetUndef(LLVMFloatType());
+ assert(0);
+ break;
+ }
+ }
+
+ return LLVMBuildShuffleVector(builder, scaled, LLVMConstVector(aux, 4), LLVMConstVector(swizzles, 4), "");
+}
+
+
+LLVMValueRef
+lp_build_pack_rgba(LLVMBuilderRef builder,
+ enum pipe_format format,
+ LLVMValueRef rgba)
+{
+ const struct util_format_description *desc;
+ LLVMTypeRef type;
+ LLVMValueRef packed = NULL;
+ LLVMValueRef swizzles[4];
+ LLVMValueRef shifted, casted, scaled, unswizzled;
+ LLVMValueRef shifts[4];
+ LLVMValueRef scales[4];
+ bool normalized;
+ unsigned shift;
+ unsigned i, j;
+
+ desc = util_format_description(format);
+
+ assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
+ assert(desc->block.width == 1);
+ assert(desc->block.height == 1);
+
+ type = LLVMIntType(desc->block.bits);
+
+ /* Unswizzle the color components into the source vector. */
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j) {
+ if (desc->swizzle[j] == i)
+ break;
+ }
+ if (j < 4)
+ swizzles[i] = LLVMConstInt(LLVMInt32Type(), j, 0);
+ else
+ swizzles[i] = LLVMGetUndef(LLVMInt32Type());
+ }
+
+ unswizzled = LLVMBuildShuffleVector(builder, rgba,
+ LLVMGetUndef(LLVMVectorType(LLVMFloatType(), 4)),
+ LLVMConstVector(swizzles, 4), "");
+
+ normalized = FALSE;
+ shift = 0;
+ for (i = 0; i < 4; ++i) {
+ unsigned bits = desc->channel[i].size;
+
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_VOID) {
+ shifts[i] = LLVMGetUndef(LLVMInt32Type());
+ scales[i] = LLVMGetUndef(LLVMFloatType());
+ }
+ else {
+ unsigned mask = (1 << bits) - 1;
+
+ assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED);
+ assert(bits < 32);
+
+ shifts[i] = LLVMConstInt(LLVMInt32Type(), shift, 0);
+
+ if (desc->channel[i].normalized) {
+ scales[i] = LLVMConstReal(LLVMFloatType(), mask);
+ normalized = TRUE;
+ }
+ else
+ scales[i] = LLVMConstReal(LLVMFloatType(), 1.0);
+ }
+
+ shift += bits;
+ }
+
+ if (normalized)
+ scaled = LLVMBuildMul(builder, unswizzled, LLVMConstVector(scales, 4), "");
+ else
+ scaled = unswizzled;
+
+ casted = LLVMBuildFPToSI(builder, scaled, LLVMVectorType(LLVMInt32Type(), 4), "");
+
+ shifted = LLVMBuildShl(builder, casted, LLVMConstVector(shifts, 4), "");
+
+ /* Bitwise or all components */
+ for (i = 0; i < 4; ++i) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
+ LLVMValueRef component = LLVMBuildExtractElement(builder, shifted, LLVMConstInt(LLVMInt32Type(), i, 0), "");
+ if (packed)
+ packed = LLVMBuildOr(builder, packed, component, "");
+ else
+ packed = component;
+ }
+ }
+
+ if (!packed)
+ packed = LLVMGetUndef(LLVMInt32Type());
+
+ if (desc->block.bits < 32)
+ packed = LLVMBuildTrunc(builder, packed, type, "");
+
+ return packed;
+}
+
+
+LLVMValueRef
+lp_build_load_rgba(LLVMBuilderRef builder,
+ enum pipe_format format,
+ LLVMValueRef ptr)
+{
+ const struct util_format_description *desc;
+ LLVMTypeRef type;
+ LLVMValueRef packed;
+
+ desc = util_format_description(format);
+
+ /* FIXME: Support more formats */
+ assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
+ assert(desc->block.width == 1);
+ assert(desc->block.height == 1);
+ assert(desc->block.bits <= 32);
+
+ type = LLVMIntType(desc->block.bits);
+
+ ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, 0), "");
+
+ packed = LLVMBuildLoad(builder, ptr, "");
+
+ return lp_build_unpack_rgba(builder, format, packed);
+}
+
+
+void
+lp_build_store_rgba(LLVMBuilderRef builder,
+ enum pipe_format format,
+ LLVMValueRef ptr,
+ LLVMValueRef rgba)
+{
+ const struct util_format_description *desc;
+ LLVMTypeRef type;
+ LLVMValueRef packed;
+
+ desc = util_format_description(format);
+
+ assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
+ assert(desc->block.width == 1);
+ assert(desc->block.height == 1);
+
+ type = LLVMIntType(desc->block.bits);
+
+ packed = lp_build_pack_rgba(builder, format, rgba);
+
+ ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, 0), "");
+
+ LLVMBuildStore(builder, packed, ptr);
+}
+
+++ /dev/null
-/**************************************************************************
- *
- * 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 "util/u_format.h"
-
-#include "lp_bld_format.h"
-
-
-LLVMValueRef
-lp_build_load_rgba(LLVMBuilderRef builder,
- enum pipe_format format,
- LLVMValueRef ptr)
-{
- const struct util_format_description *desc;
- LLVMTypeRef type;
- LLVMValueRef packed;
-
- desc = util_format_description(format);
-
- /* FIXME: Support more formats */
- assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
- assert(desc->block.width == 1);
- assert(desc->block.height == 1);
- assert(desc->block.bits <= 32);
-
- type = LLVMIntType(desc->block.bits);
-
- ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, 0), "");
-
- packed = LLVMBuildLoad(builder, ptr, "");
-
- return lp_build_unpack_rgba(builder, format, packed);
-}
-
+++ /dev/null
-/**************************************************************************
- *
- * 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 "util/u_format.h"
-
-#include "lp_bld_format.h"
-
-
-LLVMValueRef
-lp_build_pack_rgba(LLVMBuilderRef builder,
- enum pipe_format format,
- LLVMValueRef rgba)
-{
- const struct util_format_description *desc;
- LLVMTypeRef type;
- LLVMValueRef packed = NULL;
- LLVMValueRef swizzles[4];
- LLVMValueRef shifted, casted, scaled, unswizzled;
- LLVMValueRef shifts[4];
- LLVMValueRef scales[4];
- bool normalized;
- unsigned shift;
- unsigned i, j;
-
- desc = util_format_description(format);
-
- assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
- assert(desc->block.width == 1);
- assert(desc->block.height == 1);
-
- type = LLVMIntType(desc->block.bits);
-
- /* Unswizzle the color components into the source vector. */
- for (i = 0; i < 4; ++i) {
- for (j = 0; j < 4; ++j) {
- if (desc->swizzle[j] == i)
- break;
- }
- if (j < 4)
- swizzles[i] = LLVMConstInt(LLVMInt32Type(), j, 0);
- else
- swizzles[i] = LLVMGetUndef(LLVMInt32Type());
- }
-
- unswizzled = LLVMBuildShuffleVector(builder, rgba,
- LLVMGetUndef(LLVMVectorType(LLVMFloatType(), 4)),
- LLVMConstVector(swizzles, 4), "");
-
- normalized = FALSE;
- shift = 0;
- for (i = 0; i < 4; ++i) {
- unsigned bits = desc->channel[i].size;
-
- if (desc->channel[i].type == UTIL_FORMAT_TYPE_VOID) {
- shifts[i] = LLVMGetUndef(LLVMInt32Type());
- scales[i] = LLVMGetUndef(LLVMFloatType());
- }
- else {
- unsigned mask = (1 << bits) - 1;
-
- assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED);
- assert(bits < 32);
-
- shifts[i] = LLVMConstInt(LLVMInt32Type(), shift, 0);
-
- if (desc->channel[i].normalized) {
- scales[i] = LLVMConstReal(LLVMFloatType(), mask);
- normalized = TRUE;
- }
- else
- scales[i] = LLVMConstReal(LLVMFloatType(), 1.0);
- }
-
- shift += bits;
- }
-
- if (normalized)
- scaled = LLVMBuildMul(builder, unswizzled, LLVMConstVector(scales, 4), "");
- else
- scaled = unswizzled;
-
- casted = LLVMBuildFPToSI(builder, scaled, LLVMVectorType(LLVMInt32Type(), 4), "");
-
- shifted = LLVMBuildShl(builder, casted, LLVMConstVector(shifts, 4), "");
-
- /* Bitwise or all components */
- for (i = 0; i < 4; ++i) {
- if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) {
- LLVMValueRef component = LLVMBuildExtractElement(builder, shifted, LLVMConstInt(LLVMInt32Type(), i, 0), "");
- if (packed)
- packed = LLVMBuildOr(builder, packed, component, "");
- else
- packed = component;
- }
- }
-
- if (!packed)
- packed = LLVMGetUndef(LLVMInt32Type());
-
- if (desc->block.bits < 32)
- packed = LLVMBuildTrunc(builder, packed, type, "");
-
- return packed;
-}
-
+++ /dev/null
-/**************************************************************************
- *
- * 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 "util/u_format.h"
-
-#include "lp_bld_format.h"
-
-
-void
-lp_build_store_rgba(LLVMBuilderRef builder,
- enum pipe_format format,
- LLVMValueRef ptr,
- LLVMValueRef rgba)
-{
- const struct util_format_description *desc;
- LLVMTypeRef type;
- LLVMValueRef packed;
-
- desc = util_format_description(format);
-
- assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
- assert(desc->block.width == 1);
- assert(desc->block.height == 1);
-
- type = LLVMIntType(desc->block.bits);
-
- packed = lp_build_pack_rgba(builder, format, rgba);
-
- ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, 0), "");
-
- LLVMBuildStore(builder, packed, ptr);
-}
-
+++ /dev/null
-/**************************************************************************
- *
- * 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 "util/u_format.h"
-
-#include "lp_bld_format.h"
-
-
-LLVMValueRef
-lp_build_unpack_rgba(LLVMBuilderRef builder,
- enum pipe_format format,
- LLVMValueRef packed)
-{
- const struct util_format_description *desc;
- LLVMTypeRef type;
- LLVMValueRef shifted, casted, scaled, masked;
- LLVMValueRef shifts[4];
- LLVMValueRef masks[4];
- LLVMValueRef scales[4];
- LLVMValueRef swizzles[4];
- LLVMValueRef aux[4];
- bool normalized;
- int empty_channel;
- unsigned shift;
- unsigned i;
-
- desc = util_format_description(format);
-
- /* FIXME: Support more formats */
- assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
- assert(desc->block.width == 1);
- assert(desc->block.height == 1);
- assert(desc->block.bits <= 32);
-
- type = LLVMIntType(desc->block.bits);
-
- /* Do the intermediate integer computations with 32bit integers since it
- * matches floating point size */
- if (desc->block.bits < 32)
- packed = LLVMBuildZExt(builder, packed, LLVMInt32Type(), "");
-
- /* Broadcast the packed value to all four channels */
- packed = LLVMBuildInsertElement(builder,
- LLVMGetUndef(LLVMVectorType(LLVMInt32Type(), 4)),
- packed,
- LLVMConstNull(LLVMInt32Type()),
- "");
- packed = LLVMBuildShuffleVector(builder,
- packed,
- LLVMGetUndef(LLVMVectorType(LLVMInt32Type(), 4)),
- LLVMConstNull(LLVMVectorType(LLVMInt32Type(), 4)),
- "");
-
- /* Initialize vector constants */
- normalized = FALSE;
- empty_channel = -1;
- shift = 0;
- for (i = 0; i < 4; ++i) {
- unsigned bits = desc->channel[i].size;
-
- if (desc->channel[i].type == UTIL_FORMAT_TYPE_VOID) {
- shifts[i] = LLVMGetUndef(LLVMInt32Type());
- masks[i] = LLVMConstNull(LLVMInt32Type());
- scales[i] = LLVMConstNull(LLVMFloatType());
- empty_channel = i;
- }
- else {
- unsigned mask = (1 << bits) - 1;
-
- assert(desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED);
- assert(bits < 32);
-
- shifts[i] = LLVMConstInt(LLVMInt32Type(), shift, 0);
- masks[i] = LLVMConstInt(LLVMInt32Type(), mask, 0);
-
- if (desc->channel[i].normalized) {
- scales[i] = LLVMConstReal(LLVMFloatType(), 1.0/mask);
- normalized = TRUE;
- }
- else
- scales[i] = LLVMConstReal(LLVMFloatType(), 1.0);
- }
-
- shift += bits;
- }
-
- shifted = LLVMBuildLShr(builder, packed, LLVMConstVector(shifts, 4), "");
- masked = LLVMBuildAnd(builder, shifted, LLVMConstVector(masks, 4), "");
- // UIToFP can't be expressed in SSE2
- casted = LLVMBuildSIToFP(builder, masked, LLVMVectorType(LLVMFloatType(), 4), "");
-
- if (normalized)
- scaled = LLVMBuildMul(builder, casted, LLVMConstVector(scales, 4), "");
- else
- scaled = casted;
-
- for (i = 0; i < 4; ++i)
- aux[i] = LLVMGetUndef(LLVMFloatType());
-
- for (i = 0; i < 4; ++i) {
- enum util_format_swizzle swizzle = desc->swizzle[i];
-
- switch (swizzle) {
- case UTIL_FORMAT_SWIZZLE_X:
- case UTIL_FORMAT_SWIZZLE_Y:
- case UTIL_FORMAT_SWIZZLE_Z:
- case UTIL_FORMAT_SWIZZLE_W:
- swizzles[i] = LLVMConstInt(LLVMInt32Type(), swizzle, 0);
- break;
- case UTIL_FORMAT_SWIZZLE_0:
- assert(empty_channel >= 0);
- swizzles[i] = LLVMConstInt(LLVMInt32Type(), empty_channel, 0);
- break;
- case UTIL_FORMAT_SWIZZLE_1:
- swizzles[i] = LLVMConstInt(LLVMInt32Type(), 4, 0);
- aux[0] = LLVMConstReal(LLVMFloatType(), 1.0);
- break;
- case UTIL_FORMAT_SWIZZLE_NONE:
- swizzles[i] = LLVMGetUndef(LLVMFloatType());
- assert(0);
- break;
- }
- }
-
- return LLVMBuildShuffleVector(builder, scaled, LLVMConstVector(aux, 4), LLVMConstVector(swizzles, 4), "");
-}
-
projects / mesa.git / commitdiff