diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 41 |
1 files changed, 9 insertions, 32 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index e1515c74ee4..b71891c1d06 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -2710,7 +2710,15 @@ make_constant_array(slang_assemble_ctx *A, /** - * Generate IR node for allocating/declaring a variable. + * Generate IR node for allocating/declaring a variable (either a local or + * a global). + * Generally, this involves allocating slang_ir_storage for the variable, + * choosing a register file (temporary, constant, etc). For ordinary + * variables we do not yet allocate storage though. We do that when we + * find the first actual use of the variable to avoid allocating temp regs + * that will never get used. + * At this time, uniforms are always allocated space in this function. + * * \param initializer Optional initializer expression for the variable. */ static slang_ir_node * @@ -4059,40 +4067,9 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var, } else { /* non-struct uniform */ -#if 01 if (!_slang_gen_var_decl(A, var, var->initializer)) return GL_FALSE; store = var->store; -#else - GLint uniformLoc; - const GLfloat *initialValues = NULL; -#if 0 - /* this code needs some work yet */ - if (make_constant_array(A, var, var->initializer)) { - /* OK */ - } - else -#endif - if (var->initializer) { - _slang_simplify(var->initializer, &A->space, A->atoms); - if (var->initializer->type == SLANG_OPER_LITERAL_FLOAT || - var->initializer->type == SLANG_OPER_LITERAL_INT) { - /* simple float/vector initializer */ - initialValues = var->initializer->literal; - } - else { - /* complex initializer */ - slang_info_log_error(A->log, - "unsupported initializer for uniform '%s'", varName); - return GL_FALSE; - } - } - - uniformLoc = _mesa_add_uniform(prog->Parameters, varName, - totalSize, datatype, initialValues); - store = _slang_new_ir_storage_swz(PROGRAM_UNIFORM, uniformLoc, - totalSize, swizzle); -#endif } } else { |