diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_blitter.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_blitter.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_blitter.c b/src/gallium/drivers/freedreno/freedreno_blitter.c new file mode 100644 index 00000000000..6fab261df9c --- /dev/null +++ b/src/gallium/drivers/freedreno/freedreno_blitter.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2017 Rob Clark <[email protected]> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Rob Clark <[email protected]> + */ + +#include "util/u_blitter.h" + +#include "freedreno_blitter.h" +#include "freedreno_context.h" + +/* generic blit using u_blitter.. slightly modified version of util_blitter_blit + * which also handles PIPE_BUFFER: + */ + +static void +default_dst_texture(struct pipe_surface *dst_templ, struct pipe_resource *dst, + unsigned dstlevel, unsigned dstz) +{ + memset(dst_templ, 0, sizeof(*dst_templ)); + if (dst->target == PIPE_BUFFER) + dst_templ->format = PIPE_FORMAT_R8_UINT; + else + dst_templ->format = util_format_linear(dst->format); + dst_templ->u.tex.level = dstlevel; + dst_templ->u.tex.first_layer = dstz; + dst_templ->u.tex.last_layer = dstz; +} + +static void +default_src_texture(struct pipe_sampler_view *src_templ, + struct pipe_resource *src, unsigned srclevel) +{ + bool cube_as_2darray = src->screen->get_param(src->screen, + PIPE_CAP_SAMPLER_VIEW_TARGET); + + memset(src_templ, 0, sizeof(*src_templ)); + + if (cube_as_2darray && (src->target == PIPE_TEXTURE_CUBE || + src->target == PIPE_TEXTURE_CUBE_ARRAY)) + src_templ->target = PIPE_TEXTURE_2D_ARRAY; + else + src_templ->target = src->target; + + if (src->target == PIPE_BUFFER) { + src_templ->target = PIPE_TEXTURE_1D; + src_templ->format = PIPE_FORMAT_R8_UINT; + } else { + src_templ->format = util_format_linear(src->format); + } + src_templ->u.tex.first_level = srclevel; + src_templ->u.tex.last_level = srclevel; + src_templ->u.tex.first_layer = 0; + src_templ->u.tex.last_layer = + src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1 + : (unsigned)(src->array_size - 1); + src_templ->swizzle_r = PIPE_SWIZZLE_X; + src_templ->swizzle_g = PIPE_SWIZZLE_Y; + src_templ->swizzle_b = PIPE_SWIZZLE_Z; + src_templ->swizzle_a = PIPE_SWIZZLE_W; +} + +void +fd_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info) +{ + struct pipe_resource *dst = info->dst.resource; + struct pipe_resource *src = info->src.resource; + struct pipe_context *pipe = &ctx->base; + struct pipe_surface *dst_view, dst_templ; + struct pipe_sampler_view src_templ, *src_view; + + /* Initialize the surface. */ + default_dst_texture(&dst_templ, dst, info->dst.level, + info->dst.box.z); + dst_templ.format = info->dst.format; + dst_view = pipe->create_surface(pipe, dst, &dst_templ); + + /* Initialize the sampler view. */ + default_src_texture(&src_templ, src, info->src.level); + src_templ.format = info->src.format; + src_view = pipe->create_sampler_view(pipe, src, &src_templ); + + /* Copy. */ + util_blitter_blit_generic(ctx->blitter, dst_view, &info->dst.box, + src_view, &info->src.box, src->width0, src->height0, + info->mask, info->filter, + info->scissor_enable ? &info->scissor : NULL, + info->alpha_blend); + + pipe_surface_reference(&dst_view, NULL); + pipe_sampler_view_reference(&src_view, NULL); +} |