mesa: add/update comments in _mesa_copy_buffer_subdata()

[mesa.git] / src / mesa / drivers / dri / i965 / brw_eu.h

diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h
index 33492f6966d11f05158b761c27ab0d5d1d41201b..d967d934305936ae499c3ff68577cc60d08ab5ca 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_eu.h
+++ b/src/mesa/drivers/dri/i965/brw_eu.h
@@ -101,10 +101,10 @@ struct brw_glsl_call;
 
 
 #define BRW_EU_MAX_INSN_STACK 5
-#define BRW_EU_MAX_INSN 10000
 
 struct brw_compile {
-   struct brw_instruction store[BRW_EU_MAX_INSN];
+   struct brw_instruction *store;
+   int store_size;
    GLuint nr_insn;
 
    void *mem_ctx;
@@ -123,11 +123,28 @@ struct brw_compile {
    /* Control flow stacks:
     * - if_stack contains IF and ELSE instructions which must be patched
     *   (and popped) once the matching ENDIF instruction is encountered.
+    *
+    *   Just store the instruction pointer(an index).
     */
-   struct brw_instruction **if_stack;
+   int *if_stack;
    int if_stack_depth;
    int if_stack_array_size;
 
+   /**
+    * loop_stack contains the instruction pointers of the starts of loops which
+    * must be patched (and popped) once the matching WHILE instruction is
+    * encountered.
+    */
+   int *loop_stack;
+   /**
+    * pre-gen6, the BREAK and CONT instructions had to tell how many IF/ENDIF
+    * blocks they were popping out of, to fix up the mask stack.  This tracks
+    * the IF/ENDIF nesting in each current nested loop level.
+    */
+   int *if_depth_in_loop;
+   int loop_stack_depth;
+   int loop_stack_array_size;
+
    struct brw_glsl_label *first_label;  /**< linked list of labels */
    struct brw_glsl_call *first_call;    /**< linked list of CALs */
 };
@@ -650,6 +667,11 @@ static INLINE struct brw_reg get_element_ud( struct brw_reg reg, GLuint elt )
    return vec1(suboffset(retype(reg, BRW_REGISTER_TYPE_UD), elt));
 }
 
+static INLINE struct brw_reg get_element_d( struct brw_reg reg, GLuint elt )
+{
+   return vec1(suboffset(retype(reg, BRW_REGISTER_TYPE_D), elt));
+}
+
 
 static INLINE struct brw_reg brw_swizzle( struct brw_reg reg,
                                            GLuint x,
@@ -907,6 +929,13 @@ void brw_ff_sync(struct brw_compile *p,
                   GLuint response_length,
                   bool eot);
 
+void brw_svb_write(struct brw_compile *p,
+                   struct brw_reg dest,
+                   GLuint msg_reg_nr,
+                   struct brw_reg src0,
+                   GLuint binding_table_index,
+                   bool   send_commit_msg);
+
 void brw_fb_WRITE(struct brw_compile *p,
                  int dispatch_width,
                   GLuint msg_reg_nr,
@@ -928,7 +957,8 @@ void brw_SAMPLE(struct brw_compile *p,
                GLuint response_length,
                GLuint msg_length,
                GLuint header_present,
-               GLuint simd_mode);
+               GLuint simd_mode,
+               GLuint return_format);
 
 void brw_math_16( struct brw_compile *p,
                  struct brw_reg dest,
@@ -1002,17 +1032,14 @@ void brw_ENDIF(struct brw_compile *p);
 struct brw_instruction *brw_DO(struct brw_compile *p,
                               GLuint execute_size);
 
-struct brw_instruction *brw_WHILE(struct brw_compile *p, 
-              struct brw_instruction *patch_insn);
+struct brw_instruction *brw_WHILE(struct brw_compile *p);
 
-struct brw_instruction *brw_BREAK(struct brw_compile *p, int pop_count);
-struct brw_instruction *brw_CONT(struct brw_compile *p, int pop_count);
-struct brw_instruction *gen6_CONT(struct brw_compile *p,
-                                 struct brw_instruction *do_insn);
+struct brw_instruction *brw_BREAK(struct brw_compile *p);
+struct brw_instruction *brw_CONT(struct brw_compile *p);
+struct brw_instruction *gen6_CONT(struct brw_compile *p);
 /* Forward jumps:
  */
-void brw_land_fwd_jump(struct brw_compile *p, 
-                      struct brw_instruction *jmp_insn);
+void brw_land_fwd_jump(struct brw_compile *p, int jmp_insn_idx);