radv: reset the window scissor with no clear state.
If we don't have clear state (which gfx10 doesn't currently)
we will fix to reset the scissor. AMDVLK will leave it set
to something else.
Marek also has this fix for radeonsi pending.
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index 6fe447e..0efa169 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -202,7 +202,7 @@
/* CLEAR_STATE doesn't clear these correctly on certain generations.
* I don't know why. Deduced by trial and error.
*/
- if (physical_device->rad_info.chip_class <= GFX7) {
+ if (physical_device->rad_info.chip_class <= GFX7 || !physical_device->has_clear_state) {
radeon_set_context_reg(cs, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET, 0);
radeon_set_context_reg(cs, R_028204_PA_SC_WINDOW_SCISSOR_TL,
S_028204_WINDOW_OFFSET_DISABLE(1));
