r600g/radeonsi: send endian info to format translation functions

Because r600 GPUs can't do swap in their DB unit, we need to disable
endianess swapping for textures that are handled by DB.

There are four format translation functions in r600g driver:

- r600_translate_texformat
- r600_colorformat_endian_swap
- r600_translate_colorformat
- r600_translate_colorswap

This patch adds a new parameters to those functions, called
"do_endian_swap". When running in a big-endian machine, the calling
functions will check whether the texture/color is handled by DB -
"rtex->is_depth && !rtex->is_flushing_texture" - and if so, they will
send FALSE through this parameter. Otherwise, they will send TRUE.

The translation functions, in specific cases, will look at this parameter
and configure the swapping accordingly.

v4:
evergreen_init_color_surface_rat() is only used by compute and don't
handle DB surfaces, so just sent hard-coded FALSE to translation
functions when called by it.

Signed-off-by: Oded Gabbay <[email protected]>
Cc: "11.1 11.2" <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 7ae6e8aff08..ae87a596398 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1877,7 +1877,7 @@ static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_
 static bool si_is_colorbuffer_format_supported(enum pipe_format format)
 {
 	return si_translate_colorformat(format) != V_028C70_COLOR_INVALID &&
-		r600_translate_colorswap(format) != ~0U;
+		r600_translate_colorswap(format, FALSE) != ~0U;
 }
 
 static bool si_is_zs_format_supported(enum pipe_format format)
@@ -2170,7 +2170,7 @@ static void si_initialize_color_surface(struct si_context *sctx,
 		R600_ERR("Invalid CB format: %d, disabling CB.\n", surf->base.format);
 	}
 	assert(format != V_028C70_COLOR_INVALID);
-	swap = r600_translate_colorswap(surf->base.format);
+	swap = r600_translate_colorswap(surf->base.format, FALSE);
 	endian = si_colorformat_endian_swap(format);
 
 	/* blend clamp should be set for all NORM/SRGB types */