Mesa (master): radv: Add R16G16B16A16_SNORM fast clear support

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 25d76fd658105b06c241a441899e00c4d912d434
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=25d76fd658105b06c241a441899e00c4d912d434

Author: Alex Smith <asmith at feralinteractive.com>
Date:   Tue Oct 10 17:00:09 2017 +0100

radv: Add R16G16B16A16_SNORM fast clear support

Signed-off-by: Alex Smith <asmith at feralinteractive.com>
Cc: "17.2" <mesa-stable at lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/amd/vulkan/radv_formats.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/amd/vulkan/radv_formats.c b/src/amd/vulkan/radv_formats.c
index 88305abd04..5c79ea7406 100644
--- a/src/amd/vulkan/radv_formats.c
+++ b/src/amd/vulkan/radv_formats.c
@@ -961,6 +961,12 @@ bool radv_format_pack_clear_color(VkFormat format,
 		clear_vals[1] = ((uint16_t)util_iround(CLAMP(value->float32[2], 0.0f, 1.0f) * 0xffff)) & 0xffff;
 		clear_vals[1] |= ((uint16_t)util_iround(CLAMP(value->float32[3], 0.0f, 1.0f) * 0xffff)) << 16;
 		break;
+	case VK_FORMAT_R16G16B16A16_SNORM:
+		clear_vals[0] = ((uint16_t)util_iround(CLAMP(value->float32[0], -1.0f, 1.0f) * 0x7fff)) & 0xffff;
+		clear_vals[0] |= ((uint16_t)util_iround(CLAMP(value->float32[1], -1.0f, 1.0f) * 0x7fff)) << 16;
+		clear_vals[1] = ((uint16_t)util_iround(CLAMP(value->float32[2], -1.0f, 1.0f) * 0x7fff)) & 0xffff;
+		clear_vals[1] |= ((uint16_t)util_iround(CLAMP(value->float32[3], -1.0f, 1.0f) * 0x7fff)) << 16;
+		break;
 	case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
 		clear_vals[0] = ((uint16_t)util_iround(CLAMP(value->float32[0], 0.0f, 1.0f) * 0x3ff)) & 0x3ff;
 		clear_vals[0] |= (((uint16_t)util_iround(CLAMP(value->float32[1], 0.0f, 1.0f) * 0x3ff)) & 0x3ff) << 10;