summaryrefslogtreecommitdiffstats
path: root/src/mesa/shader/slang/slang_link.c
diff options
context:
space:
mode:
authorBrian <[email protected]>2007-02-23 09:38:17 -0700
committerBrian <[email protected]>2007-02-23 09:38:17 -0700
commitafbf7c7e6b7613d8d219807adaf7d17971ac2e6d (patch)
treecc11a86f7d0f831f80b2f507f507a0832b55142a /src/mesa/shader/slang/slang_link.c
parentd8d07b2a8aa5cf9c5ce877b20351983b1aa8d01d (diff)
Re-implement branching with slang_labels.
This eliminates the NOP instructions that had been used as placeholders for branch targets. Also, fix "return" statement bug.
Diffstat (limited to 'src/mesa/shader/slang/slang_link.c')
-rw-r--r--src/mesa/shader/slang/slang_link.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c
index 23977b7c2c2..e2bb6ee2d80 100644
--- a/src/mesa/shader/slang/slang_link.c
+++ b/src/mesa/shader/slang/slang_link.c
@@ -274,46 +274,6 @@ link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog)
/**
- * XXX Temporary
- */
-static void
-_slang_resolve_branches(struct gl_program *prog)
-{
- struct target {
- const char *Name;
- GLuint Pos;
- };
- struct target targets[500];
- GLuint numTargets = 0;
- GLuint i, j;
-
- for (i = 0; i < prog->NumInstructions; i++) {
- struct prog_instruction *inst = prog->Instructions + i;
- if (inst->Opcode == OPCODE_NOP && inst->Comment) {
- targets[numTargets].Name = inst->Comment;
- targets[numTargets].Pos = i;
- numTargets++;
- }
- }
-
- for (i = 0; i < prog->NumInstructions; i++) {
- struct prog_instruction *inst = prog->Instructions + i;
- if (inst->Opcode == OPCODE_BRA && inst->BranchTarget < 0) {
- for (j = 0; j < numTargets; j++) {
- if (!strcmp(inst->Comment, targets[j].Name)) {
- inst->BranchTarget = targets[j].Pos;
- break;
- }
- }
- if (j == numTargets) {
- abort();
- }
- }
- }
-}
-
-
-/**
* Resolve binding of generic vertex attributes.
* For example, if the vertex shader declared "attribute vec4 foobar" we'll
* allocate a generic vertex attribute for "foobar" and plug that value into
@@ -574,11 +534,9 @@ _slang_link(GLcontext *ctx,
}
if (shProg->VertexProgram) {
- _slang_resolve_branches(&shProg->VertexProgram->Base);
_slang_resolve_samplers(shProg, &shProg->VertexProgram->Base);
}
if (shProg->FragmentProgram) {
- _slang_resolve_branches(&shProg->FragmentProgram->Base);
_slang_resolve_samplers(shProg, &shProg->FragmentProgram->Base);
}