diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_program.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_program.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index 5a54cd39076..fa59338950a 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -588,3 +588,22 @@ brw_dump_ir(const char *stage, struct gl_shader_program *shader_prog, _mesa_print_program(prog); } } + +void +brw_setup_tex_for_precompile(struct brw_context *brw, + struct brw_sampler_prog_key_data *tex, + struct gl_program *prog) +{ + const bool has_shader_channel_select = brw->is_haswell || brw->gen >= 8; + unsigned sampler_count = _mesa_fls(prog->SamplersUsed); + for (unsigned i = 0; i < sampler_count; i++) { + if (!has_shader_channel_select && (prog->ShadowSamplers & (1 << i))) { + /* Assume DEPTH_TEXTURE_MODE is the default: X, X, X, 1 */ + tex->swizzles[i] = + MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_ONE); + } else { + /* Color sampler: assume no swizzling. */ + tex->swizzles[i] = SWIZZLE_XYZW; + } + } +} |