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| author | Paul Berry <stereotype441@gmail.com> | 2013-09-09 07:28:17 -0700 |
|---|---|---|
| committer | Paul Berry <stereotype441@gmail.com> | 2013-09-11 11:16:19 -0700 |
| commit | ec5c92429044db5aa797c377fe29984538f09785 (patch) | |
| tree | 5a6c85ce492855caf94569f5725cac4d35f3afa5 /src/mesa/drivers/dri/i965/gen7_vs_state.c | |
| parent | 3bc642cbf69b3ba71fc636d6120fc7ac0b83aecb (diff) | |
| download | external_mesa3d-ec5c92429044db5aa797c377fe29984538f09785.zip external_mesa3d-ec5c92429044db5aa797c377fe29984538f09785.tar.gz external_mesa3d-ec5c92429044db5aa797c377fe29984538f09785.tar.bz2 | |
i965/gen7: Extract a function for setting up a shader stage's constants.
This will allow us to reuse some code when setting up the geometry
shader stage.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen7_vs_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen7_vs_state.c | 61 |
1 files changed, 36 insertions, 25 deletions
diff --git a/src/mesa/drivers/dri/i965/gen7_vs_state.c b/src/mesa/drivers/dri/i965/gen7_vs_state.c index 6e72e8f..4fd1913 100644 --- a/src/mesa/drivers/dri/i965/gen7_vs_state.c +++ b/src/mesa/drivers/dri/i965/gen7_vs_state.c @@ -29,6 +29,40 @@ #include "program/prog_statevars.h" #include "intel_batchbuffer.h" + +void +gen7_upload_constant_state(struct brw_context *brw, + const struct brw_stage_state *stage_state, + bool active, unsigned opcode) +{ + if (!active || stage_state->push_const_size == 0) { + /* Disable the push constant buffers. */ + BEGIN_BATCH(7); + OUT_BATCH(opcode << 16 | (7 - 2)); + OUT_BATCH(0); + OUT_BATCH(0); + OUT_BATCH(0); + OUT_BATCH(0); + OUT_BATCH(0); + OUT_BATCH(0); + ADVANCE_BATCH(); + } else { + BEGIN_BATCH(7); + OUT_BATCH(opcode << 16 | (7 - 2)); + OUT_BATCH(stage_state->push_const_size); + OUT_BATCH(0); + /* Pointer to the constant buffer. Covered by the set of state flags + * from gen6_prepare_wm_contants + */ + OUT_BATCH(stage_state->push_const_offset | GEN7_MOCS_L3); + OUT_BATCH(0); + OUT_BATCH(0); + OUT_BATCH(0); + ADVANCE_BATCH(); + } +} + + static void upload_vs_state(struct brw_context *brw) { @@ -52,31 +86,8 @@ upload_vs_state(struct brw_context *brw) OUT_BATCH(stage_state->sampler_offset); ADVANCE_BATCH(); - if (stage_state->push_const_size == 0) { - /* Disable the push constant buffers. */ - BEGIN_BATCH(7); - OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2)); - OUT_BATCH(0); - OUT_BATCH(0); - OUT_BATCH(0); - OUT_BATCH(0); - OUT_BATCH(0); - OUT_BATCH(0); - ADVANCE_BATCH(); - } else { - BEGIN_BATCH(7); - OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2)); - OUT_BATCH(stage_state->push_const_size); - OUT_BATCH(0); - /* Pointer to the VS constant buffer. Covered by the set of - * state flags from gen6_prepare_wm_contants - */ - OUT_BATCH(stage_state->push_const_offset | GEN7_MOCS_L3); - OUT_BATCH(0); - OUT_BATCH(0); - OUT_BATCH(0); - ADVANCE_BATCH(); - } + gen7_upload_constant_state(brw, stage_state, true /* active */, + _3DSTATE_CONSTANT_VS); /* Use ALT floating point mode for ARB vertex programs, because they * require 0^0 == 1. |