diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2010-07-22 16:40:35 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2010-07-22 16:50:37 -0700 |
| commit | 3c033637de7def553559c11d037f2e8bbb750f77 (patch) | |
| tree | ea6da71517f8df1c0fff41702efa9547dbd6f340 | |
| parent | aa9f86ae8b3bb2172092ff9b50751677c509e6b4 (diff) | |
glsl2: Make ir_assignment derive from ir_instruction, not ir_rvalue.
Assignments can only exist at the top level instruction stream; the
residual value is handled by assigning the value to a temporary and
returning an ir_dereference_variable of that temporary.
| -rw-r--r-- | src/glsl/ir.h | 2 | ||||
| -rw-r--r-- | src/glsl/ir_reader.cpp | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h index c73bf4ce8b..3fd3a7660b 100644 --- a/src/glsl/ir.h +++ b/src/glsl/ir.h @@ -506,7 +506,7 @@ public: }; -class ir_assignment : public ir_rvalue { +class ir_assignment : public ir_instruction { public: ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp index 2248e926d5..14bd2d62fd 100644 --- a/src/glsl/ir_reader.cpp +++ b/src/glsl/ir_reader.cpp @@ -357,6 +357,8 @@ read_instruction(_mesa_glsl_parse_state *st, s_expression *expr, ir_instruction *inst = NULL; if (strcmp(tag->value(), "declare") == 0) { inst = read_declaration(st, list); + } else if (strcmp(tag->value(), "assign") == 0) { + inst = read_assignment(st, list); } else if (strcmp(tag->value(), "if") == 0) { inst = read_if(st, list, loop_ctx); } else if (strcmp(tag->value(), "loop") == 0) { @@ -546,8 +548,6 @@ read_rvalue(_mesa_glsl_parse_state *st, s_expression *expr) return rvalue; else if (strcmp(tag->value(), "swiz") == 0) { rvalue = read_swizzle(st, list); - } else if (strcmp(tag->value(), "assign") == 0) { - rvalue = read_assignment(st, list); } else if (strcmp(tag->value(), "expression") == 0) { rvalue = read_expression(st, list); } else if (strcmp(tag->value(), "call") == 0) { |