On Tue, Jun 2, 2015 at 4:04 PM, Anuj Phogat <anuj.pho...@gmail.com> wrote:
> This patch enables using XY_FAST_COPY_BLT only for Yf/Ys tiled buffers.
> It can be later turned on for other tiling patterns (X,Y) too.
>
> V3: Flush in between sequential fast copy blits.
> Fix src/dst alignment requirements.
> Make can_fast_copy_blit() helper.
> Use ffs(), is_power_of_two()
> Move overlap computation inside intel_miptree_blit().
> Use XY_FAST prefix for the macros.
>
> Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
> Cc: Ben Widawsky <b...@bwidawsk.net>
> ---
> src/mesa/drivers/dri/i965/intel_blit.c | 306
> +++++++++++++++++++++++----
> src/mesa/drivers/dri/i965/intel_blit.h | 2 +
> src/mesa/drivers/dri/i965/intel_copy_image.c | 2 +
> src/mesa/drivers/dri/i965/intel_reg.h | 36 ++++
> 4 files changed, 299 insertions(+), 47 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_blit.c
> b/src/mesa/drivers/dri/i965/intel_blit.c
> index cd89f9d..8f0b48b 100644
> --- a/src/mesa/drivers/dri/i965/intel_blit.c
> +++ b/src/mesa/drivers/dri/i965/intel_blit.c
> @@ -43,6 +43,23 @@
>
> #define FILE_DEBUG_FLAG DEBUG_BLIT
>
> +#define SET_TILING_XY_FAST_COPY_BLT(tiling, tr_mode, type) \
> +({ \
> + switch (tiling) { \
> + case I915_TILING_X: \
> + CMD |= type ## _TILED_X; \
> + break; \
> + case I915_TILING_Y: \
> + if (tr_mode == INTEL_MIPTREE_TRMODE_YS) \
> + CMD |= type ## _TILED_64K; \
> + else \
> + CMD |= type ## _TILED_Y; \
> + break; \
> + default: \
> + unreachable("not reached"); \
> + } \
> +})
> +
> static void
> intel_miptree_set_alpha_to_one(struct brw_context *brw,
> struct intel_mipmap_tree *mt,
> @@ -75,6 +92,10 @@ static uint32_t
> br13_for_cpp(int cpp)
> {
> switch (cpp) {
> + case 16:
> + return BR13_32323232;
> + case 8:
> + return BR13_16161616;
> case 4:
> return BR13_8888;
> case 2:
> @@ -86,6 +107,81 @@ br13_for_cpp(int cpp)
> }
> }
>
> +static uint32_t
> +get_tr_horizontal_align(uint32_t tr_mode, uint32_t cpp, bool is_src) {
> + /*Alignment tables for YF/YS tiled surfaces. */
Missing a space after /*
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