xref: /xsrc/external/mit/MesaLib/dist/src/gallium/drivers/panfrost/pan_blit.c

/*
 * Copyright (C) 2014 Broadcom
 * Copyright (C) 2019 Collabora, Ltd.
 *
 * 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 (Collabora):
 *   Tomeu Vizoso <tomeu.vizoso@collabora.com>
 *   Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
 *
 */

#include "pan_context.h"
#include "pan_util.h"
#include "util/format/u_format.h"

static void
panfrost_blitter_save(
        struct panfrost_context *ctx,
        struct blitter_context *blitter,
        bool render_cond)
{

        util_blitter_save_vertex_buffer_slot(blitter, ctx->vertex_buffers);
        util_blitter_save_vertex_elements(blitter, ctx->vertex);
        util_blitter_save_vertex_shader(blitter, ctx->shader[PIPE_SHADER_VERTEX]);
        util_blitter_save_rasterizer(blitter, ctx->rasterizer);
        util_blitter_save_viewport(blitter, &ctx->pipe_viewport);
        util_blitter_save_scissor(blitter, &ctx->scissor);
        util_blitter_save_fragment_shader(blitter, ctx->shader[PIPE_SHADER_FRAGMENT]);
        util_blitter_save_blend(blitter, ctx->blend);
        util_blitter_save_depth_stencil_alpha(blitter, ctx->depth_stencil);
        util_blitter_save_stencil_ref(blitter, &ctx->stencil_ref);
        util_blitter_save_so_targets(blitter, 0, NULL);
        util_blitter_save_sample_mask(blitter, ctx->sample_mask);

        util_blitter_save_framebuffer(blitter, &ctx->pipe_framebuffer);
        util_blitter_save_fragment_sampler_states(blitter,
                        ctx->sampler_count[PIPE_SHADER_FRAGMENT],
                        (void **)(&ctx->samplers[PIPE_SHADER_FRAGMENT]));
        util_blitter_save_fragment_sampler_views(blitter,
                        ctx->sampler_view_count[PIPE_SHADER_FRAGMENT],
                        (struct pipe_sampler_view **)&ctx->sampler_views[PIPE_SHADER_FRAGMENT]);
        util_blitter_save_fragment_constant_buffer_slot(blitter,
                        ctx->constant_buffer[PIPE_SHADER_FRAGMENT].cb);

        if (!render_cond) {
                util_blitter_save_render_condition(blitter,
                                (struct pipe_query *) ctx->cond_query,
                                ctx->cond_cond, ctx->cond_mode);
        }

}

void
panfrost_blit(struct pipe_context *pipe,
              const struct pipe_blit_info *info)
{
        struct panfrost_context *ctx = pan_context(pipe);

        if (info->render_condition_enable &&
            !panfrost_render_condition_check(ctx))
                return;

        if (!util_blitter_is_blit_supported(ctx->blitter, info))
                unreachable("Unsupported blit\n");

        panfrost_blitter_save(ctx, ctx->blitter, info->render_condition_enable);
        util_blitter_blit(ctx->blitter, info);
}