i965: Use enum brw_reg_type for register types.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

src/mesa/drivers/dri/i965/brw_blorp.h

@@ -26,6 +26,7 @@
 #include <stdint.h>
 
 #include "brw_context.h"
+#include "brw_reg.h"
 #include "intel_mipmap_tree.h"
 
 struct brw_context;
@@ -299,7 +300,7 @@ struct brw_blorp_blit_prog_key
    /* Type of the data to be read from the texture (one of
     * BRW_REGISTER_TYPE_{UD,D,F}).
     */
-   unsigned texture_data_type;
+   enum brw_reg_type texture_data_type;
 
    /* True if the source image is W tiled.  If true, the surface state for the
     * source image must be configured as Y tiled, and tex_samples must be 0.

src/mesa/drivers/dri/i965/brw_fs.cpp

@@ -866,7 +866,7 @@ fs_reg::fs_reg(enum register_file file, int reg)
 }
 
 /** Fixed HW reg constructor. */
-fs_reg::fs_reg(enum register_file file, int reg, uint32_t type)
+fs_reg::fs_reg(enum register_file file, int reg, enum brw_reg_type type)
 {
    init();
    this->file = file;

src/mesa/drivers/dri/i965/brw_fs.h

@@ -75,7 +75,7 @@ public:
    fs_reg(uint32_t u);
    fs_reg(struct brw_reg fixed_hw_reg);
    fs_reg(enum register_file file, int reg);
-   fs_reg(enum register_file file, int reg, uint32_t type);
+   fs_reg(enum register_file file, int reg, enum brw_reg_type type);
    fs_reg(class fs_visitor *v, const struct glsl_type *type);
 
    bool equals(const fs_reg &r) const;
@@ -99,7 +99,7 @@ public:
 };
 
 static inline fs_reg
-retype(fs_reg reg, unsigned type)
+retype(fs_reg reg, enum brw_reg_type type)
 {
    reg.fixed_hw_reg.type = reg.type = type;
    return reg;

src/mesa/drivers/dri/i965/brw_reg.h

@@ -131,7 +131,7 @@ const char *brw_reg_type_letters(unsigned brw_reg_type);
  * or "structure of array" form:
  */
 struct brw_reg {
-   unsigned type:4;
+   enum brw_reg_type type:4;
    unsigned file:2;
    unsigned nr:8;
    unsigned subnr:5;              /* :1 in align16 */
@@ -227,7 +227,7 @@ static inline struct brw_reg
 brw_reg(unsigned file,
         unsigned nr,
         unsigned subnr,
-        unsigned type,
+        enum brw_reg_type type,
         unsigned vstride,
         unsigned width,
         unsigned hstride,
@@ -362,7 +362,7 @@ brw_vecn_reg(unsigned width, unsigned file, unsigned nr, unsigned subnr)
 }
 
 static inline struct brw_reg
-retype(struct brw_reg reg, unsigned type)
+retype(struct brw_reg reg, enum brw_reg_type type)
 {
    reg.type = type;
    return reg;
@@ -424,7 +424,7 @@ brw_uw1_reg(unsigned file, unsigned nr, unsigned subnr)
 }
 
 static inline struct brw_reg
-brw_imm_reg(unsigned type)
+brw_imm_reg(enum brw_reg_type type)
 {
    return brw_reg(BRW_IMMEDIATE_VALUE,
                   0,

src/mesa/drivers/dri/i965/brw_shader.cpp

@@ -279,7 +279,7 @@ brw_link_shader(struct gl_context *ctx, struct gl_shader_program *shProg)
 }
 
 
-int
+enum brw_reg_type
 brw_type_for_base_type(const struct glsl_type *type)
 {
    switch (type->base_type) {

src/mesa/drivers/dri/i965/brw_shader.h

@@ -50,7 +50,7 @@ struct backend_reg
 #endif
 
    enum register_file file; /**< Register file: GRF, MRF, IMM. */
-   uint8_t type;            /**< Register type: BRW_REGISTER_TYPE_* */
+   enum brw_reg_type type;  /**< Register type: BRW_REGISTER_TYPE_* */
 
    /**
     * Register number.
@@ -166,7 +166,7 @@ void annotation_finalize(struct annotation_info *annotation, unsigned offset);
 
 #endif /* __cplusplus */
 
-int brw_type_for_base_type(const struct glsl_type *type);
+enum brw_reg_type brw_type_for_base_type(const struct glsl_type *type);
 uint32_t brw_conditional_for_comparison(unsigned int op);
 uint32_t brw_math_function(enum opcode op);
 const char *brw_instruction_name(enum opcode op);

src/mesa/drivers/dri/i965/brw_vec4.h

@@ -117,7 +117,7 @@ public:
 };
 
 static inline src_reg
-retype(src_reg reg, unsigned type)
+retype(src_reg reg, enum brw_reg_type type)
 {
    reg.fixed_hw_reg.type = reg.type = type;
    return reg;
@@ -176,7 +176,7 @@ public:
 };
 
 static inline dst_reg
-retype(dst_reg reg, unsigned type)
+retype(dst_reg reg, enum brw_reg_type type)
 {
    reg.fixed_hw_reg.type = reg.type = type;
    return reg;