diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_codegen.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 7d764cb5c1..66615d3afd 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -391,7 +391,7 @@ _slang_input_index(const char *name, GLenum target, GLuint *swizzleOut) const struct input_info *inputs = (target == GL_VERTEX_PROGRAM_ARB) ? vertInputs : fragInputs; - ASSERT(MAX_TEXTURE_UNITS == 8); /* if this fails, fix vertInputs above */ + ASSERT(MAX_TEXTURE_COORD_UNITS == 8); /* if this fails, fix vertInputs above */ for (i = 0; inputs[i].Name; i++) { if (strcmp(inputs[i].Name, name) == 0) { @@ -1976,7 +1976,7 @@ _slang_make_array_constructor(slang_assemble_ctx *A, slang_operation *oper) */ slang_variable *p = slang_variable_scope_grow(fun->parameters); char name[10]; - snprintf(name, sizeof(name), "p%d", i); + _mesa_snprintf(name, sizeof(name), "p%d", i); p->a_name = slang_atom_pool_atom(A->atoms, name); p->type.qualifier = SLANG_QUAL_CONST; p->type.specifier.type = baseType; @@ -3323,6 +3323,22 @@ is_store_writable(const slang_assemble_ctx *A, const slang_ir_storage *store) /** + * Walk up an IR storage path to compute the final swizzle. + * This is used when we find an expression such as "foo.xz.yx". + */ +static GLuint +root_swizzle(const slang_ir_storage *st) +{ + GLuint swizzle = st->Swizzle; + while (st->Parent) { + st = st->Parent; + swizzle = _slang_swizzle_swizzle(st->Swizzle, swizzle); + } + return swizzle; +} + + +/** * Generate IR tree for an assignment (=). */ static slang_ir_node * @@ -3397,9 +3413,9 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper) rhs = _slang_gen_operation(A, &oper->children[1]); if (lhs && rhs) { /* convert lhs swizzle into writemask */ + const GLuint swizzle = root_swizzle(lhs->Store); GLuint writemask, newSwizzle; - if (!swizzle_to_writemask(A, lhs->Store->Swizzle, - &writemask, &newSwizzle)) { + if (!swizzle_to_writemask(A, swizzle, &writemask, &newSwizzle)) { /* Non-simple writemask, need to swizzle right hand side in * order to put components into the right place. */ |