mesa/st: glsl_to_tgsi move some helper classes to extra files

To prepare the implementation of a temp register lifetime tracker
some of the classes are moved into seperate header/implementation
files to make them accessible from other files.

Specifically these are:

    class st_src_reg;
    class st_dst_reg;
    class glsl_to_tgsi_instruction;
    struct rename_reg_pair;

    int swizzle_for_type(const glsl_type *type, int component);

  as inline:

    bool is_resource_instruction(unsigned opcode);
    unsigned num_inst_dst_regs(const glsl_to_tgsi_instruction *op);
    unsigned num_inst_src_regs(const glsl_to_tgsi_instruction *op);

Reviewed-by: Nicolai Hähnle <[email protected]>

1 files changed, 196 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi_private.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi_private.cpp
new file mode 100644
index 00000000000..0075ae86766
--- /dev/null
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi_private.cpp
@@ -0,0 +1,196 @@
+/*
+ * 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