From 840c8745518b92303d40f6834e9c616587242231 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 17 Dec 2012 11:51:13 +0100 Subject: libXft pixman mesa git update 17 dec 2012 libXft: 835cd2a6cb4aa8f89e6e7dead66483643a6e7ee8 pixman: 526dc06e5694172abf979c03a5cf530207fe2d27 mesa: 1358f3a905448f6fb546aba951e317f743a83c76 --- mesalib/src/gallium/auxiliary/util/u_surface.c | 167 ++++++++++++++++++++++++- 1 file changed, 162 insertions(+), 5 deletions(-) (limited to 'mesalib/src/gallium/auxiliary/util/u_surface.c') diff --git a/mesalib/src/gallium/auxiliary/util/u_surface.c b/mesalib/src/gallium/auxiliary/util/u_surface.c index 2c197c3df..5e771c950 100644 --- a/mesalib/src/gallium/auxiliary/util/u_surface.c +++ b/mesalib/src/gallium/auxiliary/util/u_surface.c @@ -49,14 +49,11 @@ */ void u_surface_default_template(struct pipe_surface *surf, - const struct pipe_resource *texture, - unsigned bind) + const struct pipe_resource *texture) { memset(surf, 0, sizeof(*surf)); surf->format = texture->format; - /* XXX should filter out all non-rt/ds bind flags ? */ - surf->usage = bind; } /** @@ -110,7 +107,7 @@ util_create_rgba_texture(struct pipe_context *pipe, return FALSE; /* create surface */ - u_surface_default_template(&surf_templ, *textureOut, bind); + u_surface_default_template(&surf_templ, *textureOut); return TRUE; } @@ -531,3 +528,163 @@ util_clear_depth_stencil(struct pipe_context *pipe, pipe->transfer_unmap(pipe, dst_trans); } } + + +/* Return whether this is an RGBA, Z, S, or combined ZS format. + */ +static unsigned +get_format_mask(enum pipe_format format) +{ + const struct util_format_description *desc = util_format_description(format); + + assert(desc); + + if (util_format_has_depth(desc)) { + if (util_format_has_stencil(desc)) { + return PIPE_MASK_ZS; + } else { + return PIPE_MASK_Z; + } + } else { + if (util_format_has_stencil(desc)) { + return PIPE_MASK_S; + } else { + return PIPE_MASK_RGBA; + } + } +} + +/* Return if the box is totally inside the resource. + */ +static boolean +is_box_inside_resource(const struct pipe_resource *res, + const struct pipe_box *box, + unsigned level) +{ + unsigned width = 1, height = 1, depth = 1; + + switch (res->target) { + case PIPE_BUFFER: + width = res->width0; + height = 1; + depth = 1; + break; + case PIPE_TEXTURE_1D: + width = u_minify(res->width0, level); + height = 1; + depth = 1; + break; + case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_RECT: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = 1; + break; + case PIPE_TEXTURE_3D: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = u_minify(res->depth0, level); + break; + case PIPE_TEXTURE_CUBE: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = 6; + break; + case PIPE_TEXTURE_1D_ARRAY: + width = u_minify(res->width0, level); + height = 1; + depth = res->array_size; + break; + case PIPE_TEXTURE_2D_ARRAY: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = res->array_size; + break; + case PIPE_TEXTURE_CUBE_ARRAY: + width = u_minify(res->width0, level); + height = u_minify(res->height0, level); + depth = res->array_size; + assert(res->array_size % 6 == 0); + break; + case PIPE_MAX_TEXTURE_TYPES:; + } + + return box->x >= 0 && + box->x + box->width <= (int) width && + box->y >= 0 && + box->y + box->height <= (int) height && + box->z >= 0 && + box->z + box->depth <= (int) depth; +} + +static unsigned +get_sample_count(const struct pipe_resource *res) +{ + return res->nr_samples ? res->nr_samples : 1; +} + +/** + * Try to do a blit using resource_copy_region. The function calls + * resource_copy_region if the blit description is compatible with it. + * + * It returns TRUE if the blit was done using resource_copy_region. + * + * It returns FALSE otherwise and the caller must fall back to a more generic + * codepath for the blit operation. (e.g. by using u_blitter) + */ +boolean +util_try_blit_via_copy_region(struct pipe_context *ctx, + const struct pipe_blit_info *blit) +{ + unsigned mask = get_format_mask(blit->dst.format); + + /* No format conversions. */ + if (blit->src.resource->format != blit->src.format || + blit->dst.resource->format != blit->dst.format || + !util_is_format_compatible( + util_format_description(blit->src.resource->format), + util_format_description(blit->dst.resource->format))) { + return FALSE; + } + + /* No masks, no filtering, no scissor. */ + if ((blit->mask & mask) != mask || + blit->filter != PIPE_TEX_FILTER_NEAREST || + blit->scissor_enable) { + return FALSE; + } + + /* No flipping. */ + if (blit->src.box.width < 0 || + blit->src.box.height < 0 || + blit->src.box.depth < 0) { + return FALSE; + } + + /* No scaling. */ + if (blit->src.box.width != blit->dst.box.width || + blit->src.box.height != blit->dst.box.height || + blit->src.box.depth != blit->dst.box.depth) { + return FALSE; + } + + /* No out-of-bounds access. */ + if (!is_box_inside_resource(blit->src.resource, &blit->src.box, + blit->src.level) || + !is_box_inside_resource(blit->dst.resource, &blit->dst.box, + blit->dst.level)) { + return FALSE; + } + + /* Sample counts must match. */ + if (get_sample_count(blit->src.resource) != + get_sample_count(blit->dst.resource)) { + return FALSE; + } + + ctx->resource_copy_region(ctx, blit->dst.resource, blit->dst.level, + blit->dst.box.x, blit->dst.box.y, blit->dst.box.z, + blit->src.resource, blit->src.level, + &blit->src.box); + return TRUE; +} -- cgit v1.2.3