radv: reserve space for the scissor in vkCmdBeginRendering.

Fixes: c7d0d328d56 ("radv: Set the window scissor to the render area, not framebuffer")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20014>

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 2d64f31..66b1226 100644 (file)
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -7113,6 +7113,7 @@ radv_CmdBeginRendering(VkCommandBuffer commandBuffer, const VkRenderingInfo *pRe
       }
    }
 
+   radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 6);
    radeon_set_context_reg(cmd_buffer->cs, R_028204_PA_SC_WINDOW_SCISSOR_TL,
                           S_028204_TL_X(render->area.offset.x) |
                           S_028204_TL_Y(render->area.offset.y));