diff options
author | Jason Ekstrand <[email protected]> | 2015-10-15 11:39:06 -0700 |
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committer | Jason Ekstrand <[email protected]> | 2015-10-19 08:47:03 -0700 |
commit | 41c474df53d9dcd5fd8e24eba5b7acc2b3c32795 (patch) | |
tree | bd7554f03601295f9ae418ebf69c3174a37b7d2b /src/mesa/drivers/dri/i965/brw_vs.c | |
parent | 6980372010ad5929c0b4b0a0370d281cbd6f8b2e (diff) |
i965/vs: Move URB entry_size and read_length calculations to compile_vs
Reviewed-By: Eduardo Lima Mitev <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c index 41290463257..ba680a98f7e 100644 --- a/src/mesa/drivers/dri/i965/brw_vs.c +++ b/src/mesa/drivers/dri/i965/brw_vs.c @@ -148,40 +148,6 @@ brw_codegen_vs_prog(struct brw_context *brw, &prog_data.base.vue_map, outputs_written, prog ? prog->SeparateShader : false); - unsigned nr_attributes = _mesa_bitcount_64(prog_data.inputs_read); - - /* gl_VertexID and gl_InstanceID are system values, but arrive via an - * incoming vertex attribute. So, add an extra slot. - */ - if (vp->program.Base.SystemValuesRead & - (BITFIELD64_BIT(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE) | - BITFIELD64_BIT(SYSTEM_VALUE_INSTANCE_ID))) { - nr_attributes++; - } - - /* The 3DSTATE_VS documentation lists the lower bound on "Vertex URB Entry - * Read Length" as 1 in vec4 mode, and 0 in SIMD8 mode. Empirically, in - * vec4 mode, the hardware appears to wedge unless we read something. - */ - if (brw->intelScreen->compiler->scalar_vs) - prog_data.base.urb_read_length = DIV_ROUND_UP(nr_attributes, 2); - else - prog_data.base.urb_read_length = DIV_ROUND_UP(MAX2(nr_attributes, 1), 2); - - prog_data.nr_attributes = nr_attributes; - - /* Since vertex shaders reuse the same VUE entry for inputs and outputs - * (overwriting the original contents), we need to make sure the size is - * the larger of the two. - */ - const unsigned vue_entries = - MAX2(nr_attributes, prog_data.base.vue_map.num_slots); - - if (brw->gen == 6) - prog_data.base.urb_entry_size = DIV_ROUND_UP(vue_entries, 8); - else - prog_data.base.urb_entry_size = DIV_ROUND_UP(vue_entries, 4); - if (0) { _mesa_fprint_program_opt(stderr, &vp->program.Base, PROG_PRINT_DEBUG, true); |