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radv: apply a bug workaround for smoothing on GFX6

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This fixes smooth lines on GFX6.

Fixes: 85cbdba355 ("radv: add support for smooth lines")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23168>
This commit is contained in:
Samuel Pitoiset 2023-05-22 12:51:45 +02:00 • committed by Marge Bot
parent 208c31b25f
commit d719e99f16
1 changed files with 8 additions and 1 deletions
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9
src/amd/vulkan/radv_cmd_buffer.c
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@ -4557,6 +4557,12 @@ radv_emit_attachment_feedback_loop_enable(struct radv_cmd_buffer *cmd_buffer)
z_order = V_02880C_LATE_Z;
}
/* Bug workaround for smoothing (overrasterization) on GFX6. */
if (cmd_buffer->device->physical_device->rad_info.gfx_level == GFX6 &&
d->vk.rs.line.mode == VK_LINE_RASTERIZATION_MODE_RECTANGULAR_SMOOTH_EXT) {
z_order = V_02880C_LATE_Z;
}
db_shader_control |= S_02880C_Z_ORDER(z_order);
radeon_set_context_reg(cmd_buffer->cs, R_02880C_DB_SHADER_CONTROL, db_shader_control);
@ -4689,7 +4695,8 @@ radv_cmd_buffer_flush_dynamic_state(struct radv_cmd_buffer *cmd_buffer, const ui
RADV_CMD_DIRTY_DYNAMIC_LINE_RASTERIZATION_MODE))
radv_emit_msaa_state(cmd_buffer);
if (states & RADV_CMD_DIRTY_DYNAMIC_ATTACHMENT_FEEDBACK_LOOP_ENABLE)
if (states & (RADV_CMD_DIRTY_DYNAMIC_ATTACHMENT_FEEDBACK_LOOP_ENABLE |
RADV_CMD_DIRTY_DYNAMIC_LINE_RASTERIZATION_MODE))
radv_emit_attachment_feedback_loop_enable(cmd_buffer);
cmd_buffer->state.dirty &= ~states;