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authorKeith Whitwell <keithw@vmware.com>2009-01-09 10:08:06 +0000
committerKeith Whitwell <keithw@vmware.com>2009-01-09 10:08:06 +0000
commite3734593aea202e99e77febea7b86c904080939f (patch)
tree69856674e2062c55ec5eec95eb0e31225a943084 /src/mesa/shader/slang/slang_emit.c
parent221352bbd79a0ea92ce31cffb65537f62ee5668e (diff)
parent5cad143e545775acacee294049345c6a3868c51d (diff)
Merge commit 'origin/gallium-0.2' into gallium-xlib-rework
Conflicts: progs/glsl/Makefile
Diffstat (limited to 'src/mesa/shader/slang/slang_emit.c')
-rw-r--r--src/mesa/shader/slang/slang_emit.c73
1 files changed, 51 insertions, 22 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 6587f9cf27..d3b4e64b78 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -310,24 +310,22 @@ storage_to_dst_reg(struct prog_dst_register *dst, const slang_ir_storage *st)
dst->WriteMask = swizzle_to_writemask(swizzle);
}
else {
- GLuint writemask;
switch (size) {
case 1:
- writemask = WRITEMASK_X << GET_SWZ(st->Swizzle, 0);
+ dst->WriteMask = WRITEMASK_X << GET_SWZ(st->Swizzle, 0);
break;
case 2:
- writemask = WRITEMASK_XY;
+ dst->WriteMask = WRITEMASK_XY;
break;
case 3:
- writemask = WRITEMASK_XYZ;
+ dst->WriteMask = WRITEMASK_XYZ;
break;
case 4:
- writemask = WRITEMASK_XYZW;
+ dst->WriteMask = WRITEMASK_XYZW;
break;
default:
; /* error would have been caught above */
}
- dst->WriteMask = writemask;
}
dst->RelAddr = relAddr;
@@ -348,6 +346,10 @@ storage_to_src_reg(struct prog_src_register *src, const slang_ir_storage *st)
assert(index >= 0);
while (st->Parent) {
st = st->Parent;
+ if (st->Index < 0) {
+ /* an error should have been reported already */
+ return;
+ }
assert(st->Index >= 0);
index += st->Index;
swizzle = _slang_swizzle_swizzle(fix_swizzle(st->Swizzle), swizzle);
@@ -1286,6 +1288,7 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n)
/* Child[0] is the sampler (a uniform which'll indicate the texture unit) */
assert(n->Children[0]->Store);
+ assert(n->Children[0]->Store->File == PROGRAM_SAMPLER);
/* Store->Index is the sampler index */
assert(n->Children[0]->Store->Index >= 0);
/* Store->Size is the texture target */
@@ -1295,6 +1298,10 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n)
inst->TexSrcTarget = n->Children[0]->Store->Size;
inst->TexSrcUnit = n->Children[0]->Store->Index; /* i.e. uniform's index */
+ /* mark the sampler as being used */
+ _mesa_use_uniform(emitInfo->prog->Parameters,
+ (char *) n->Children[0]->Var->a_name);
+
return inst;
}
@@ -1841,9 +1848,17 @@ emit_array_element(slang_emit_info *emitInfo, slang_ir_node *n)
root = root->Parent;
if (root->File == PROGRAM_STATE_VAR) {
- GLint index = _slang_alloc_statevar(n, emitInfo->prog->Parameters);
- assert(n->Store->Index == index);
- return NULL;
+ GLboolean direct;
+ GLint index =
+ _slang_alloc_statevar(n, emitInfo->prog->Parameters, &direct);
+ if (index < 0) {
+ /* error */
+ return NULL;
+ }
+ if (direct) {
+ n->Store->Index = index;
+ return NULL; /* all done */
+ }
}
}
@@ -1967,28 +1982,30 @@ emit_struct_field(slang_emit_info *emitInfo, slang_ir_node *n)
* space for the ones that we actually use!
*/
if (root->File == PROGRAM_STATE_VAR) {
- root->Index = _slang_alloc_statevar(n, emitInfo->prog->Parameters);
- if (root->Index < 0) {
+ GLboolean direct;
+ GLint index = _slang_alloc_statevar(n, emitInfo->prog->Parameters, &direct);
+ if (index < 0) {
slang_info_log_error(emitInfo->log, "Error parsing state variable");
return NULL;
}
- return NULL;
- }
- else {
- /* do codegen for struct */
- emit(emitInfo, n->Children[0]);
- assert(n->Children[0]->Store->Index >= 0);
+ if (direct) {
+ root->Index = index;
+ return NULL; /* all done */
+ }
}
+ /* do codegen for struct */
+ emit(emitInfo, n->Children[0]);
+ assert(n->Children[0]->Store->Index >= 0);
+
+
fieldOffset = n->Store->Index;
fieldSize = n->Store->Size;
_slang_copy_ir_storage(n->Store, n->Children[0]->Store);
n->Store->Index = n->Children[0]->Store->Index + fieldOffset / 4;
- /* XXX test this:
- n->Store->Index += fieldOffset / 4;
- */
+ n->Store->Size = fieldSize;
switch (fieldSize) {
case 1:
@@ -2077,9 +2094,21 @@ emit_var_ref(slang_emit_info *emitInfo, slang_ir_node *n)
assert(n->Store->File != PROGRAM_UNDEFINED);
if (n->Store->File == PROGRAM_STATE_VAR && n->Store->Index < 0) {
- n->Store->Index = _slang_alloc_statevar(n, emitInfo->prog->Parameters);
+ GLboolean direct;
+ GLint index = _slang_alloc_statevar(n, emitInfo->prog->Parameters, &direct);
+ if (index < 0) {
+ /* error */
+ char s[100];
+ _mesa_snprintf(s, sizeof(s), "Undefined variable '%s'",
+ (char *) n->Var->a_name);
+ slang_info_log_error(emitInfo->log, s);
+ return NULL;
+ }
+
+ n->Store->Index = index;
}
- else if (n->Store->File == PROGRAM_UNIFORM) {
+ else if (n->Store->File == PROGRAM_UNIFORM ||
+ n->Store->File == PROGRAM_SAMPLER) {
/* mark var as used */
_mesa_use_uniform(emitInfo->prog->Parameters, (char *) n->Var->a_name);
}