From 3fd79558beb3ab156882a206d5a6027fa9db4af7 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Sat, 19 Nov 2016 08:47:25 -0800 Subject: anv: Enable fast clears on gen7-8 Reviewed-by: Jordan Justen --- src/intel/vulkan/genX_cmd_buffer.c | 47 ++++++++++++++++++++++++++++---------- 1 file changed, 35 insertions(+), 12 deletions(-) (limited to 'src/intel/vulkan/genX_cmd_buffer.c') diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c index 4649dae1a11..a965cd633c9 100644 --- a/src/intel/vulkan/genX_cmd_buffer.c +++ b/src/intel/vulkan/genX_cmd_buffer.c @@ -242,6 +242,21 @@ color_attachment_compute_aux_usage(struct anv_device *device, render_area.extent.height != iview->extent.height) att_state->fast_clear = false; + if (GEN_GEN <= 7) { + /* On gen7, we can't do multi-LOD or multi-layer fast-clears. We + * technically can, but it comes with crazy restrictions that we + * don't want to deal with now. + */ + if (iview->isl.base_level > 0 || + iview->isl.base_array_layer > 0 || + iview->isl.array_len > 1) + att_state->fast_clear = false; + } + + /* On Broadwell and earlier, we can only handle 0/1 clear colors */ + if (GEN_GEN <= 8 && !att_state->clear_color_is_zero_one) + att_state->fast_clear = false; + if (att_state->fast_clear) { memcpy(fast_clear_color->u32, att_state->clear_value.color.uint32, sizeof(fast_clear_color->u32)); @@ -256,18 +271,26 @@ color_attachment_compute_aux_usage(struct anv_device *device, att_state->input_aux_usage = ISL_AUX_USAGE_CCS_E; } else if (att_state->fast_clear) { att_state->aux_usage = ISL_AUX_USAGE_CCS_D; - /* From the Sky Lake PRM, RENDER_SURFACE_STATE::AuxiliarySurfaceMode: - * - * "If Number of Multisamples is MULTISAMPLECOUNT_1, AUX_CCS_D - * setting is only allowed if Surface Format supported for Fast - * Clear. In addition, if the surface is bound to the sampling - * engine, Surface Format must be supported for Render Target - * Compression for surfaces bound to the sampling engine." - * - * In other words, we can't sample from a fast-cleared image if it - * doesn't also support color compression. - */ - att_state->input_aux_usage = ISL_AUX_USAGE_NONE; + if (GEN_GEN >= 9) { + /* From the Sky Lake PRM, RENDER_SURFACE_STATE::AuxiliarySurfaceMode: + * + * "If Number of Multisamples is MULTISAMPLECOUNT_1, AUX_CCS_D + * setting is only allowed if Surface Format supported for Fast + * Clear. In addition, if the surface is bound to the sampling + * engine, Surface Format must be supported for Render Target + * Compression for surfaces bound to the sampling engine." + * + * In other words, we can't sample from a fast-cleared image if it + * doesn't also support color compression. + */ + att_state->input_aux_usage = ISL_AUX_USAGE_NONE; + } else if (GEN_GEN == 8) { + /* Broadwell can sample from fast-cleared images */ + att_state->input_aux_usage = ISL_AUX_USAGE_CCS_D; + } else { + /* Ivy Bridge and Haswell cannot */ + att_state->input_aux_usage = ISL_AUX_USAGE_NONE; + } } else { att_state->aux_usage = ISL_AUX_USAGE_NONE; att_state->input_aux_usage = ISL_AUX_USAGE_NONE; -- cgit v1.2.3