diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state_shaders.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_shaders.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c index 937e71de723..686718e4221 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.c +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c @@ -1115,6 +1115,40 @@ static void si_update_spi_tmpring_size(struct si_context *sctx) S_0286E8_WAVESIZE(scratch_bytes_per_wave >> 10); } +static void si_init_tess_factor_ring(struct si_context *sctx) +{ + assert(!sctx->tf_state); + sctx->tf_state = CALLOC_STRUCT(si_pm4_state); + + sctx->tf_ring = pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM, + PIPE_USAGE_DEFAULT, + 32768 * sctx->screen->b.info.max_se); + sctx->b.clear_buffer(&sctx->b.b, sctx->tf_ring, 0, + sctx->tf_ring->width0, fui(0), false); + assert(((sctx->tf_ring->width0 / 4) & C_030938_SIZE) == 0); + + if (sctx->b.chip_class >= CIK) { + si_pm4_set_reg(sctx->tf_state, R_030938_VGT_TF_RING_SIZE, + S_030938_SIZE(sctx->tf_ring->width0 / 4)); + si_pm4_set_reg(sctx->tf_state, R_030940_VGT_TF_MEMORY_BASE, + r600_resource(sctx->tf_ring)->gpu_address >> 8); + } else { + si_pm4_set_reg(sctx->tf_state, R_008988_VGT_TF_RING_SIZE, + S_008988_SIZE(sctx->tf_ring->width0 / 4)); + si_pm4_set_reg(sctx->tf_state, R_0089B8_VGT_TF_MEMORY_BASE, + r600_resource(sctx->tf_ring)->gpu_address >> 8); + } + si_pm4_add_bo(sctx->tf_state, r600_resource(sctx->tf_ring), + RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_RESOURCE_RW); + si_pm4_bind_state(sctx, tf_ring, sctx->tf_state); + + si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_TESS_CTRL, + SI_RING_TESS_FACTOR, sctx->tf_ring, 0, + sctx->tf_ring->width0, false, false, 0, 0); + + sctx->b.flags |= SI_CONTEXT_VGT_FLUSH; +} + static void si_update_vgt_shader_config(struct si_context *sctx) { /* Calculate the index of the config. @@ -1157,6 +1191,9 @@ void si_update_shaders(struct si_context *sctx) /* Update stages before GS. */ if (sctx->tes_shader) { + if (!sctx->tf_state) + si_init_tess_factor_ring(sctx); + /* VS as LS */ si_shader_select(ctx, sctx->vs_shader); si_pm4_bind_state(sctx, ls, sctx->vs_shader->current->pm4); |