Will enable <16-byte varyings.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5423>
unreachable("Varying not captured");
}
+static unsigned
+pan_varying_size(enum mali_format fmt)
+{
+ unsigned type = MALI_EXTRACT_TYPE(fmt);
+ unsigned chan = MALI_EXTRACT_CHANNELS(fmt);
+ unsigned bits = MALI_EXTRACT_BITS(fmt);
+ unsigned bpc = 0;
+
+ if (bits == MALI_CHANNEL_FLOAT) {
+ /* No doubles */
+ bool fp16 = (type == MALI_FORMAT_SINT);
+ assert(fp16 || (type == MALI_FORMAT_UNORM));
+
+ bpc = fp16 ? 2 : 4;
+ } else {
+ assert(type >= MALI_FORMAT_SNORM && type <= MALI_FORMAT_SINT);
+
+ /* See the enums */
+ bits = 1 << bits;
+ assert(bits >= 8);
+ bpc = bits / 8;
+ }
+
+ return bpc * chan;
+}
+
void
panfrost_emit_varying_descriptor(struct panfrost_batch *batch,
unsigned vertex_count,
* for Bifrost framebuffer output.
*/
#define MALI_FORMAT_SPECIAL2 (7 << 5)
+#define MALI_EXTRACT_TYPE(fmt) ((fmt) & 0xe0)
/* If the high 3 bits are 3 to 6 these two bits say how many components
* there are.
* MALI_FORMAT_UNORM, it means a 32-bit float.
*/
#define MALI_CHANNEL_FLOAT 7
+#define MALI_EXTRACT_BITS(fmt) (fmt & 0x7)
enum mali_format {
MALI_ETC2_RGB8 = MALI_FORMAT_COMPRESSED | 0x1,