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authormarha <marha@users.sourceforge.net>2013-06-18 08:23:14 +0200
committermarha <marha@users.sourceforge.net>2013-06-18 08:23:14 +0200
commitb071050b9eda9d5e5185e582dbe9f4adba863ccc (patch)
tree6da290f7da04f9afc96691608b65967f2ee0e0fa /mesalib/src/glsl/hir_field_selection.cpp
parent150771e7aabf4c864b0b970c5b8d773634793abe (diff)
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libX11 libXmu libxcb/xcb-proto mesa mkfontscale pixman xkeyboard-config git update 18 June 2013
libxcb/xcb-proto commit e5f7c750815cb5170db363a2e5b09639b7354733 xkeyboard-config commit 30d804538462213ed01e8efc0b44a8e5a0aff990 libX11 commit 9dfb0f3c0a761590bcdc1f3396b1e064da4e18e8 pixman commit 279bdcda7ec3af8ac06312f4514b1b082a279544 mkfontscale commit f731c5c36f28ddd0f25f474d2991c96f9a7a915c libXmu commit e46ecb4e02b7f919b11efa79448d4db71d1deb69 mesa commit eb2021507556633cd6ba64cda26653e3c43e80df
Diffstat (limited to 'mesalib/src/glsl/hir_field_selection.cpp')
-rw-r--r--mesalib/src/glsl/hir_field_selection.cpp60
1 files changed, 40 insertions, 20 deletions
diff --git a/mesalib/src/glsl/hir_field_selection.cpp b/mesalib/src/glsl/hir_field_selection.cpp
index 0035a5f81..ceb0a4cdb 100644
--- a/mesalib/src/glsl/hir_field_selection.cpp
+++ b/mesalib/src/glsl/hir_field_selection.cpp
@@ -47,20 +47,6 @@ _mesa_ast_field_selection_to_hir(const ast_expression *expr,
YYLTYPE loc = expr->get_location();
if (op->type->is_error()) {
/* silently propagate the error */
- } else if (op->type->is_vector()) {
- ir_swizzle *swiz = ir_swizzle::create(op,
- expr->primary_expression.identifier,
- op->type->vector_elements);
- if (swiz != NULL) {
- result = swiz;
- } else {
- /* FINISHME: Logging of error messages should be moved into
- * FINISHME: ir_swizzle::create. This allows the generation of more
- * FINISHME: specific error messages.
- */
- _mesa_glsl_error(& loc, state, "Invalid swizzle / mask `%s'",
- expr->primary_expression.identifier);
- }
} else if (op->type->base_type == GLSL_TYPE_STRUCT
|| op->type->base_type == GLSL_TYPE_INTERFACE) {
result = new(ctx) ir_dereference_record(op,
@@ -81,17 +67,51 @@ _mesa_ast_field_selection_to_hir(const ast_expression *expr,
const char *method;
method = call->subexpressions[0]->primary_expression.identifier;
- if (op->type->is_array() && strcmp(method, "length") == 0) {
- if (!call->expressions.is_empty())
- _mesa_glsl_error(&loc, state, "length method takes no arguments.");
+ if (strcmp(method, "length") == 0) {
+ if (!call->expressions.is_empty())
+ _mesa_glsl_error(&loc, state, "length method takes no arguments.");
- if (op->type->array_size() == 0)
- _mesa_glsl_error(&loc, state, "length called on unsized array.");
+ if (op->type->is_array()) {
+ if (op->type->array_size() == 0)
+ _mesa_glsl_error(&loc, state, "length called on unsized array.");
- result = new(ctx) ir_constant(op->type->array_size());
+ result = new(ctx) ir_constant(op->type->array_size());
+ } else if (op->type->is_vector()) {
+ if (state->ARB_shading_language_420pack_enable) {
+ /* .length() returns int. */
+ result = new(ctx) ir_constant((int) op->type->vector_elements);
+ } else {
+ _mesa_glsl_error(&loc, state, "length method on matrix only available"
+ "with ARB_shading_language_420pack.");
+ }
+ } else if (op->type->is_matrix()) {
+ if (state->ARB_shading_language_420pack_enable) {
+ /* .length() returns int. */
+ result = new(ctx) ir_constant((int) op->type->matrix_columns);
+ } else {
+ _mesa_glsl_error(&loc, state, "length method on matrix only available"
+ "with ARB_shading_language_420pack.");
+ }
+ }
} else {
_mesa_glsl_error(&loc, state, "Unknown method: `%s'.", method);
}
+ } else if (op->type->is_vector() ||
+ (state->ARB_shading_language_420pack_enable &&
+ op->type->is_scalar())) {
+ ir_swizzle *swiz = ir_swizzle::create(op,
+ expr->primary_expression.identifier,
+ op->type->vector_elements);
+ if (swiz != NULL) {
+ result = swiz;
+ } else {
+ /* FINISHME: Logging of error messages should be moved into
+ * FINISHME: ir_swizzle::create. This allows the generation of more
+ * FINISHME: specific error messages.
+ */
+ _mesa_glsl_error(& loc, state, "Invalid swizzle / mask `%s'",
+ expr->primary_expression.identifier);
+ }
} else {
_mesa_glsl_error(& loc, state, "Cannot access field `%s' of "
"non-structure / non-vector.",