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i965/fs: Use a switch statement in fs_inst::regs_read()

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This makes things a little simpler, more efficient, and quite a bit more
readable.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Jason Ekstrand
2015-06-18 11:53:08 -07:00
parent aa7d4cecec
commit 3258e1b80d
1 changed files with 23 additions and 22 deletions
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src/mesa/drivers/dri/i965/brw_fs.cpp
+23 -22
View File
@@ -701,28 +701,29 @@ fs_inst::is_partial_write() const
int
fs_inst::regs_read(int arg) const
{
if (is_tex() && arg == 0 && src[0].file == GRF) {
return mlen;
} else if (opcode == FS_OPCODE_FB_WRITE && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_URB_WRITE_SIMD8 && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_UNTYPED_ATOMIC && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_UNTYPED_SURFACE_READ && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_UNTYPED_SURFACE_WRITE && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_TYPED_ATOMIC && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_TYPED_SURFACE_READ && arg == 0) {
return mlen;
} else if (opcode == SHADER_OPCODE_TYPED_SURFACE_WRITE && arg == 0) {
return mlen;
} else if (opcode == FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET && arg == 0) {
return mlen;
} else if (opcode == FS_OPCODE_LINTERP && arg == 0) {
return exec_size / 4;
switch (opcode) {
case FS_OPCODE_FB_WRITE:
case SHADER_OPCODE_URB_WRITE_SIMD8:
case SHADER_OPCODE_UNTYPED_ATOMIC:
case SHADER_OPCODE_UNTYPED_SURFACE_READ:
case SHADER_OPCODE_UNTYPED_SURFACE_WRITE:
case SHADER_OPCODE_TYPED_ATOMIC:
case SHADER_OPCODE_TYPED_SURFACE_READ:
case SHADER_OPCODE_TYPED_SURFACE_WRITE:
case FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET:
if (arg == 0)
return mlen;
break;
case FS_OPCODE_LINTERP:
if (arg == 0)
return exec_size / 4;
break;
default:
if (is_tex() && arg == 0 && src[0].file == GRF)
return mlen;
break;
}
switch (src[arg].file) {