gallium: use u_default_clear_texture where applicable

This removes some shared code between backends that implemented their
version of pipe->clear_texture without anything driver-specific code.

Signed-off-by: Italo Nicola <italonicola@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23735>

1 files changed, 1 insertions, 58 deletions

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 2e82a68ac72..88666c00bdb 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -1587,63 +1587,6 @@ static void r600_surface_destroy(struct pipe_context *pipe,
 	FREE(surface);
 }
 
-static void r600_clear_texture(struct pipe_context *pipe,
-			       struct pipe_resource *tex,
-			       unsigned level,
-			       const struct pipe_box *box,
-			       const void *data)
-{
-	struct pipe_screen *screen = pipe->screen;
-	struct r600_texture *rtex = (struct r600_texture*)tex;
-	struct pipe_surface tmpl = {{0}};
-	struct pipe_surface *sf;
-
-	tmpl.format = tex->format;
-	tmpl.u.tex.first_layer = box->z;
-	tmpl.u.tex.last_layer = box->z + box->depth - 1;
-	tmpl.u.tex.level = level;
-	sf = pipe->create_surface(pipe, tex, &tmpl);
-	if (!sf)
-		return;
-
-	if (rtex->is_depth) {
-		unsigned clear;
-		float depth;
-		uint8_t stencil = 0;
-
-		/* Depth is always present. */
-		clear = PIPE_CLEAR_DEPTH;
-		util_format_unpack_z_float(tex->format, &depth, data, 1);
-
-		if (rtex->surface.has_stencil) {
-			clear |= PIPE_CLEAR_STENCIL;
-			util_format_unpack_s_8uint(tex->format, &stencil, data, 1);
-		}
-
-		pipe->clear_depth_stencil(pipe, sf, clear, depth, stencil,
-					  box->x, box->y,
-					  box->width, box->height, false);
-	} else {
-		union pipe_color_union color;
-
-		util_format_unpack_rgba(tex->format, color.ui, data, 1);
-
-		if (screen->is_format_supported(screen, tex->format,
-						tex->target, 0, 0,
-						PIPE_BIND_RENDER_TARGET)) {
-			pipe->clear_render_target(pipe, sf, &color,
-						  box->x, box->y,
-						  box->width, box->height, false);
-		} else {
-			/* Software fallback - just for R9G9B9E5_FLOAT */
-			util_clear_render_target(pipe, sf, &color,
-						 box->x, box->y,
-						 box->width, box->height);
-		}
-	}
-	pipe_surface_reference(&sf, NULL);
-}
-
 unsigned r600_translate_colorswap(enum pipe_format format, bool do_endian_swap)
 {
 	const struct util_format_description *desc = util_format_description(format);
@@ -1949,5 +1892,5 @@ void r600_init_context_texture_functions(struct r600_common_context *rctx)
 {
 	rctx->b.create_surface = r600_create_surface;
 	rctx->b.surface_destroy = r600_surface_destroy;
-	rctx->b.clear_texture = r600_clear_texture;
+	rctx->b.clear_texture = u_default_clear_texture;
 }