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radv: reset the window scissor with no clear state.

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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>
This commit is contained in:
Dave Airlie 2019-07-18 11:19:11 +10:00
parent 2ac2b98780
commit 248161123c
1 changed files with 1 additions and 1 deletions
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2
src/amd/vulkan/si_cmd_buffer.c
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@ -202,7 +202,7 @@ si_emit_graphics(struct radv_physical_device *physical_device,
/* 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));