--- /dev/null
+/*
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2011 Bryan Cain
+ * Copyright © 2017 Gert Wollny
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "st_glsl_to_tgsi_private.h"
+#include <tgsi/tgsi_info.h>
+#include <mesa/program/prog_instruction.h>
+
+static int swizzle_for_type(const glsl_type *type, int component = 0)
+{
+ unsigned num_elements = 4;
+
+ if (type) {
+ type = type->without_array();
+ if (type->is_scalar() || type->is_vector() || type->is_matrix())
+ num_elements = type->vector_elements;
+ }
+
+ int swizzle = swizzle_for_size(num_elements);
+ assert(num_elements + component <= 4);
+
+ swizzle += component * MAKE_SWIZZLE4(1, 1, 1, 1);
+ return swizzle;
+}
+
+st_src_reg::st_src_reg(gl_register_file file, int index, const glsl_type *type,
+ int component, unsigned array_id)
+{
+ assert(file != PROGRAM_ARRAY || array_id != 0);
+ this->file = file;
+ this->index = index;
+ this->swizzle = swizzle_for_type(type, component);
+ this->negate = 0;
+ this->abs = 0;
+ this->index2D = 0;
+ this->type = type ? type->base_type : GLSL_TYPE_ERROR;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->double_reg2 = false;
+ this->array_id = array_id;
+ this->is_double_vertex_input = false;
+}
+
+st_src_reg::st_src_reg(gl_register_file file, int index, enum glsl_base_type type)
+{
+ assert(file != PROGRAM_ARRAY); /* need array_id > 0 */
+ this->type = type;
+ this->file = file;
+ this->index = index;
+ this->index2D = 0;
+ this->swizzle = SWIZZLE_XYZW;
+ this->negate = 0;
+ this->abs = 0;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->double_reg2 = false;
+ this->array_id = 0;
+ this->is_double_vertex_input = false;
+}
+
+st_src_reg::st_src_reg(gl_register_file file, int index, enum glsl_base_type type, int index2D)
+{
+ assert(file != PROGRAM_ARRAY); /* need array_id > 0 */
+ this->type = type;
+ this->file = file;
+ this->index = index;
+ this->index2D = index2D;
+ this->swizzle = SWIZZLE_XYZW;
+ this->negate = 0;
+ this->abs = 0;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->double_reg2 = false;
+ this->array_id = 0;
+ this->is_double_vertex_input = false;
+}
+
+st_src_reg::st_src_reg()
+{
+ this->type = GLSL_TYPE_ERROR;
+ this->file = PROGRAM_UNDEFINED;
+ this->index = 0;
+ this->index2D = 0;
+ this->swizzle = 0;
+ this->negate = 0;
+ this->abs = 0;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->double_reg2 = false;
+ this->array_id = 0;
+ this->is_double_vertex_input = false;
+}
+
+st_src_reg::st_src_reg(st_dst_reg reg)
+{
+ this->type = reg.type;
+ this->file = reg.file;
+ this->index = reg.index;
+ this->swizzle = SWIZZLE_XYZW;
+ this->negate = 0;
+ this->abs = 0;
+ this->reladdr = reg.reladdr;
+ this->index2D = reg.index2D;
+ this->reladdr2 = reg.reladdr2;
+ this->has_index2 = reg.has_index2;
+ this->double_reg2 = false;
+ this->array_id = reg.array_id;
+ this->is_double_vertex_input = false;
+}
+
+st_src_reg st_src_reg::get_abs()
+{
+ st_src_reg reg = *this;
+ reg.negate = 0;
+ reg.abs = 1;
+ return reg;
+}
+
+st_dst_reg::st_dst_reg(st_src_reg reg)
+{
+ this->type = reg.type;
+ this->file = reg.file;
+ this->index = reg.index;
+ this->writemask = WRITEMASK_XYZW;
+ this->reladdr = reg.reladdr;
+ this->index2D = reg.index2D;
+ this->reladdr2 = reg.reladdr2;
+ this->has_index2 = reg.has_index2;
+ this->array_id = reg.array_id;
+}
+
+st_dst_reg::st_dst_reg(gl_register_file file, int writemask, enum glsl_base_type type, int index)
+{
+ assert(file != PROGRAM_ARRAY); /* need array_id > 0 */
+ this->file = file;
+ this->index = index;
+ this->index2D = 0;
+ this->writemask = writemask;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->type = type;
+ this->array_id = 0;
+}
+
+st_dst_reg::st_dst_reg(gl_register_file file, int writemask, enum glsl_base_type type)
+{
+ assert(file != PROGRAM_ARRAY); /* need array_id > 0 */
+ this->file = file;
+ this->index = 0;
+ this->index2D = 0;
+ this->writemask = writemask;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->type = type;
+ this->array_id = 0;
+}
+
+st_dst_reg::st_dst_reg()
+{
+ this->type = GLSL_TYPE_ERROR;
+ this->file = PROGRAM_UNDEFINED;
+ this->index = 0;
+ this->index2D = 0;
+ this->writemask = 0;
+ this->reladdr = NULL;
+ this->reladdr2 = NULL;
+ this->has_index2 = false;
+ this->array_id = 0;
+}
\ No newline at end of file
projects / mesa.git / blobdiff