From: "Lonnberg, Toni" <toni.lonnb...@intel.com>
Pre-work for shader disassembly label support.
Introduction of the structures and functions used by the shader disassembly
jump target labeling.
---
src/mesa/drivers/dri/i965/brw_context.h | 1 +
src/mesa/drivers/dri/i965/brw_eu.c | 46 +++++++++++++++++++++++++++++++++
src/mesa/drivers/dri/i965/brw_eu.h | 8 ++++++
3 files changed, 55 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_context.h
b/src/mesa/drivers/dri/i965/brw_context.h
index 01e651b..ec5c16c 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -154,6 +154,7 @@ struct brw_wm_prog_key;
struct brw_wm_prog_data;
struct brw_cs_prog_key;
struct brw_cs_prog_data;
+struct brw_label;
enum brw_pipeline {
BRW_RENDER_PIPELINE,
diff --git a/src/mesa/drivers/dri/i965/brw_eu.c
b/src/mesa/drivers/dri/i965/brw_eu.c
index 6a422bb..1061799 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.c
+++ b/src/mesa/drivers/dri/i965/brw_eu.c
@@ -365,6 +365,52 @@ const unsigned *brw_get_program( struct brw_codegen *p,
return (const unsigned *)p->store;
}
+const struct brw_label *
+brw_find_label(struct brw_label *root, int offset) {
+ struct brw_label *curr = root;
+
+ if (curr != NULL)
+ {
+ do {
+ if (curr->offset == offset)
+ return curr;
+
+ curr = curr->next;
+ } while (curr != NULL);
+ }
+
+ return curr;
+}
+
+void
+brw_create_label(struct brw_label **labels, int offset, void *mem_ctx) {
+ if (*labels != NULL) {
+ struct brw_label *curr = *labels;
+ struct brw_label *prev;
+
+ do {
+ prev = curr;
+
+ if (curr->offset == offset)
+ return;
+
+ curr = curr->next;
+ } while (curr != NULL);
+
+ curr = ralloc(mem_ctx, struct brw_label);
+ curr->offset = offset;
+ curr->number = prev->number + 1;
+ curr->next = NULL;
+ prev->next = curr;
+ } else {
+ struct brw_label *root = ralloc(mem_ctx, struct brw_label);
+ root->number = 0;
+ root->offset = offset;
+ root->next = NULL;
+ *labels = root;
+ }
+}
+
void
brw_disassemble(const struct gen_device_info *devinfo,
void *assembly, int start, int end, FILE *out)
diff --git a/src/mesa/drivers/dri/i965/brw_eu.h
b/src/mesa/drivers/dri/i965/brw_eu.h
index fbf9123..cd7b9db 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -94,6 +94,12 @@ struct brw_codegen {
int loop_stack_array_size;
};
+struct brw_label {
+ int offset;
+ int number;
+ struct brw_label *next;
+};
+
void brw_pop_insn_state( struct brw_codegen *p );
void brw_push_insn_state( struct brw_codegen *p );
void brw_set_default_exec_size(struct brw_codegen *p, unsigned value);
@@ -116,6 +122,8 @@ void brw_init_codegen(const struct gen_device_info *,
struct brw_codegen *p,
void *mem_ctx);
bool brw_has_jip(const struct gen_device_info *devinfo, enum opcode opcode);
bool brw_has_uip(const struct gen_device_info *devinfo, enum opcode opcode);
+const struct brw_label *brw_find_label(struct brw_label *root, int offset);
+void brw_create_label(struct brw_label **labels, int offset, void *mem_ctx);
void brw_disassemble(const struct gen_device_info *devinfo, void *assembly,
int start, int end, FILE *out);
const unsigned *brw_get_program( struct brw_codegen *p, unsigned *sz );
--
2.7.4
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