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radeonsi: emit_clip_state packets optimization

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Remembering latest states of registers to eliminate redunant SET_CONTEXT_REG packets

Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Sonny Jiang 2018-06-07 12:13:52 -04:00 • committed by Marek Olšák
parent 06b47005d3
commit 7dcfa1f46e
2 changed files with 7 additions and 3 deletions
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7
src/gallium/drivers/radeonsi/si_state.c
View file

@ -745,7 +745,6 @@ static void si_emit_clip_state(struct si_context *sctx)
static void si_emit_clip_regs(struct si_context *sctx)
{
struct radeon_winsys_cs *cs = sctx->gfx_cs;
struct si_shader *vs = si_get_vs_state(sctx);
struct si_shader_selector *vs_sel = vs->selector;
struct tgsi_shader_info *info = &vs_sel->info;
@ -773,12 +772,14 @@ static void si_emit_clip_regs(struct si_context *sctx)
clipdist_mask &= rs->clip_plane_enable;
culldist_mask |= clipdist_mask;
radeon_set_context_reg(cs, R_02881C_PA_CL_VS_OUT_CNTL,
radeon_opt_set_context_reg(sctx, R_02881C_PA_CL_VS_OUT_CNTL,
SI_TRACKED_PA_CL_VS_OUT_CNTL,
vs_sel->pa_cl_vs_out_cntl |
S_02881C_VS_OUT_CCDIST0_VEC_ENA((total_mask & 0x0F) != 0) |
S_02881C_VS_OUT_CCDIST1_VEC_ENA((total_mask & 0xF0) != 0) |
clipdist_mask | (culldist_mask << 8));
radeon_set_context_reg(cs, R_028810_PA_CL_CLIP_CNTL,
radeon_opt_set_context_reg(sctx, R_028810_PA_CL_CLIP_CNTL,
SI_TRACKED_PA_CL_CLIP_CNTL,
rs->pa_cl_clip_cntl |
ucp_mask |
S_028810_CLIP_DISABLE(window_space));

3
src/gallium/drivers/radeonsi/si_state.h
View file

@ -229,6 +229,9 @@ enum si_tracked_reg {
SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL,
SI_TRACKED_PA_CL_VS_OUT_CNTL,
SI_TRACKED_PA_CL_CLIP_CNTL,
SI_NUM_TRACKED_REGS,
};