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authorBen Skeggs <[email protected]>2008-05-25 14:19:18 +1000
committerBen Skeggs <[email protected]>2008-05-25 14:19:18 +1000
commit92120851947ad4a47d2150a7cf3f8dc5fdde396c (patch)
tree21a04cf25570028ee0266558a1350577751722ab /src/mesa/shader/slang/slang_codegen.c
parent9a01ee4424718e0c3015c1f0477cae63ee63d96b (diff)
parent7fbb61eedd4b07f07007a172cea227d5c363b908 (diff)
Merge remote branch 'upstream/gallium-0.1' into nouveau-gallium-0.1
Diffstat (limited to 'src/mesa/shader/slang/slang_codegen.c')
-rw-r--r--src/mesa/shader/slang/slang_codegen.c82
1 files changed, 17 insertions, 65 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 0de2b0a57ea..d19d5a0abb6 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -495,6 +495,9 @@ new_node0(slang_ir_opcode op)
}
+/**
+ * Create sequence of two nodes.
+ */
static slang_ir_node *
new_seq(slang_ir_node *left, slang_ir_node *right)
{
@@ -535,10 +538,10 @@ new_not(slang_ir_node *n)
/**
- * Inlined subroutine.
+ * Non-inlined function call.
*/
static slang_ir_node *
-new_inlined_function_call(slang_ir_node *code, slang_label *name)
+new_function_call(slang_ir_node *code, slang_label *name)
{
slang_ir_node *n = new_node1(IR_CALL, code);
assert(name);
@@ -1226,7 +1229,7 @@ _slang_gen_function_call(slang_assemble_ctx *A, slang_function *fun,
else {
callOper = inlined;
}
- callOper->type = SLANG_OPER_INLINED_CALL;
+ callOper->type = SLANG_OPER_NON_INLINED_CALL;
callOper->fun = fun;
callOper->label = _slang_label_new_unique((char*) fun->header.a_name);
}
@@ -1844,6 +1847,7 @@ _slang_gen_var_decl(slang_assemble_ctx *A, slang_variable *var)
n->Store->File = PROGRAM_TEMPORARY;
n->Store->Size = _slang_sizeof_type_specifier(&n->Var->type.specifier);
+ A->program->NumTemporaries++;
assert(n->Store->Size > 0);
}
return n;
@@ -2060,7 +2064,8 @@ _slang_gen_declaration(slang_assemble_ctx *A, slang_operation *oper)
}
/* XXX make copy of this initializer? */
rhs = _slang_gen_operation(A, &oper->children[0]);
- assert(rhs);
+ if (!rhs)
+ return NULL; /* must have found an error */
init = new_node2(IR_MOVE, var, rhs);
/*assert(rhs->Opcode != IR_SEQ);*/
n = new_seq(varDecl, init);
@@ -2347,7 +2352,8 @@ _slang_gen_field(slang_assemble_ctx * A, slang_operation *oper)
return n;
}
else if ( ti.spec.type == SLANG_SPEC_FLOAT
- || ti.spec.type == SLANG_SPEC_INT) {
+ || ti.spec.type == SLANG_SPEC_INT
+ || ti.spec.type == SLANG_SPEC_BOOL) {
const GLuint rows = 1;
slang_swizzle swz;
slang_ir_node *n;
@@ -2509,49 +2515,6 @@ _slang_gen_subscript(slang_assemble_ctx * A, slang_operation *oper)
/**
- * Look for expressions such as: gl_ModelviewMatrix * gl_Vertex
- * and replace with this: gl_Vertex * gl_ModelviewMatrixTranpose
- * Since matrices are stored in column-major order, the second form of
- * multiplication is much more efficient (just 4 dot products).
- */
-static void
-_slang_check_matmul_optimization(slang_assemble_ctx *A, slang_operation *oper)
-{
- static const struct {
- const char *orig;
- const char *tranpose;
- } matrices[] = {
- {"gl_ModelViewMatrix", "gl_ModelViewMatrixTranspose"},
- {"gl_ProjectionMatrix", "gl_ProjectionMatrixTranspose"},
- {"gl_ModelViewProjectionMatrix", "gl_ModelViewProjectionMatrixTranspose"},
- {"gl_TextureMatrix", "gl_TextureMatrixTranspose"},
- {"gl_NormalMatrix", "__NormalMatrixTranspose"},
- { NULL, NULL }
- };
-
- assert(oper->type == SLANG_OPER_MULTIPLY);
- if (oper->children[0].type == SLANG_OPER_IDENTIFIER) {
- GLuint i;
- for (i = 0; matrices[i].orig; i++) {
- if (oper->children[0].a_id
- == slang_atom_pool_atom(A->atoms, matrices[i].orig)) {
- /*
- _mesa_printf("Replace %s with %s\n",
- matrices[i].orig, matrices[i].tranpose);
- */
- assert(oper->children[0].type == SLANG_OPER_IDENTIFIER);
- oper->children[0].a_id
- = slang_atom_pool_atom(A->atoms, matrices[i].tranpose);
- /* finally, swap the operands */
- _slang_operation_swap(&oper->children[0], &oper->children[1]);
- return;
- }
- }
- }
-}
-
-
-/**
* Generate IR tree for a slang_operation (AST node)
*/
static slang_ir_node *
@@ -2589,7 +2552,7 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
_slang_free_ir_tree(tree);
return NULL; /* error must have occured */
}
- tree = tree ? new_seq(tree, n) : n;
+ tree = new_seq(tree, n);
}
#if 00
@@ -2684,7 +2647,6 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
{
slang_ir_node *n;
assert(oper->num_children == 2);
- _slang_check_matmul_optimization(A, oper);
n = _slang_gen_function_call_name(A, "*", oper, NULL);
return n;
}
@@ -2817,17 +2779,17 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
return n;
}
- case SLANG_OPER_INLINED_CALL:
+ case SLANG_OPER_NON_INLINED_CALL:
case SLANG_OPER_SEQUENCE:
{
slang_ir_node *tree = NULL;
GLuint i;
for (i = 0; i < oper->num_children; i++) {
slang_ir_node *n = _slang_gen_operation(A, &oper->children[i]);
- tree = tree ? new_seq(tree, n) : n;
+ tree = new_seq(tree, n);
}
- if (oper->type == SLANG_OPER_INLINED_CALL) {
- tree = new_inlined_function_call(tree, oper->label);
+ if (oper->type == SLANG_OPER_NON_INLINED_CALL) {
+ tree = new_function_call(tree, oper->label);
}
return tree;
}
@@ -2879,17 +2841,7 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var,
* store->Index = sampler number (0..7, typically)
* store->Size = texture type index (1D, 2D, 3D, cube, etc)
*/
-#if 0
- GLint samplerUniform
- = _mesa_add_sampler(prog->Parameters, varName, datatype);
-#elif 0
- GLint samplerUniform
- = _mesa_add_sampler(prog->Samplers, varName, datatype);
- (void) _mesa_add_sampler(prog->Parameters, varName, datatype); /* dummy entry */
-#else
- const GLint sampNum = A->numSamplers++;
- _mesa_add_sampler(prog->Parameters, varName, datatype, sampNum);
-#endif
+ GLint sampNum = _mesa_add_sampler(prog->Parameters, varName, datatype);
store = _slang_new_ir_storage(PROGRAM_SAMPLER, sampNum, texIndex);
if (dbg) printf("SAMPLER ");
}