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/*
* Copyright © 2015 Broadcom
*
* 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.
*/
#include "util/u_format.h"
#include "util/u_surface.h"
#include "util/u_blitter.h"
#include "vc4_context.h"
static bool
vc4_render_blit(struct pipe_context *ctx, struct pipe_blit_info *info)
{
struct vc4_context *vc4 = vc4_context(ctx);
if (!util_blitter_is_blit_supported(vc4->blitter, info)) {
fprintf(stderr, "blit unsupported %s -> %s",
util_format_short_name(info->src.resource->format),
util_format_short_name(info->dst.resource->format));
return false;
}
util_blitter_save_vertex_buffer_slot(vc4->blitter, vc4->vertexbuf.vb);
util_blitter_save_vertex_elements(vc4->blitter, vc4->vtx);
util_blitter_save_vertex_shader(vc4->blitter, vc4->prog.bind_vs);
util_blitter_save_rasterizer(vc4->blitter, vc4->rasterizer);
util_blitter_save_viewport(vc4->blitter, &vc4->viewport);
util_blitter_save_scissor(vc4->blitter, &vc4->scissor);
util_blitter_save_fragment_shader(vc4->blitter, vc4->prog.bind_fs);
util_blitter_save_blend(vc4->blitter, vc4->blend);
util_blitter_save_depth_stencil_alpha(vc4->blitter, vc4->zsa);
util_blitter_save_stencil_ref(vc4->blitter, &vc4->stencil_ref);
util_blitter_save_sample_mask(vc4->blitter, vc4->sample_mask);
util_blitter_save_framebuffer(vc4->blitter, &vc4->framebuffer);
util_blitter_save_fragment_sampler_states(vc4->blitter,
vc4->fragtex.num_samplers,
(void **)vc4->fragtex.samplers);
util_blitter_save_fragment_sampler_views(vc4->blitter,
vc4->fragtex.num_textures, vc4->fragtex.textures);
util_blitter_blit(vc4->blitter, info);
return true;
}
/* Optimal hardware path for blitting pixels.
* Scaling, format conversion, up- and downsampling (resolve) are allowed.
*/
void
vc4_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
{
struct pipe_blit_info info = *blit_info;
if (info.src.resource->nr_samples > 1 &&
info.dst.resource->nr_samples <= 1 &&
!util_format_is_depth_or_stencil(info.src.resource->format) &&
!util_format_is_pure_integer(info.src.resource->format)) {
fprintf(stderr, "color resolve unimplemented");
return;
}
if (util_try_blit_via_copy_region(pctx, &info)) {
return; /* done */
}
if (info.mask & PIPE_MASK_S) {
fprintf(stderr, "cannot blit stencil, skipping");
info.mask &= ~PIPE_MASK_S;
}
vc4_render_blit(pctx, &info);
}
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