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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 void
vc4_tile_blit_color_rcl(struct vc4_context *vc4,
struct vc4_surface *dst_surf,
struct vc4_surface *src_surf)
{
struct vc4_resource *src = vc4_resource(src_surf->base.texture);
struct vc4_resource *dst = vc4_resource(dst_surf->base.texture);
uint32_t min_x_tile = 0;
uint32_t min_y_tile = 0;
uint32_t max_x_tile = (dst_surf->base.width - 1) / 64;
uint32_t max_y_tile = (dst_surf->base.height - 1) / 64;
uint32_t xtiles = max_x_tile - min_x_tile + 1;
uint32_t ytiles = max_y_tile - min_y_tile + 1;
cl_ensure_space(&vc4->rcl,
(VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE +
VC4_PACKET_GEM_HANDLES_SIZE) +
xtiles * ytiles * ((VC4_PACKET_LOAD_TILE_BUFFER_GENERAL_SIZE +
VC4_PACKET_GEM_HANDLES_SIZE) * 2 +
VC4_PACKET_TILE_COORDINATES_SIZE));
cl_ensure_space(&vc4->bo_handles, 2 * sizeof(uint32_t));
cl_ensure_space(&vc4->bo_pointers, 2 * sizeof(struct vc4_bo *));
cl_start_reloc(&vc4->rcl, 1);
cl_u8(&vc4->rcl, VC4_PACKET_TILE_RENDERING_MODE_CONFIG);
cl_reloc(vc4, &vc4->rcl, dst->bo, dst_surf->offset);
cl_u16(&vc4->rcl, dst_surf->base.width);
cl_u16(&vc4->rcl, dst_surf->base.height);
cl_u16(&vc4->rcl,
VC4_SET_FIELD(dst_surf->tiling,
VC4_RENDER_CONFIG_MEMORY_FORMAT) |
VC4_SET_FIELD(vc4_rt_format_is_565(dst_surf->base.format) ?
VC4_RENDER_CONFIG_FORMAT_BGR565 :
VC4_RENDER_CONFIG_FORMAT_RGBA8888,
VC4_RENDER_CONFIG_FORMAT));
uint32_t src_hindex = vc4_gem_hindex(vc4, src->bo);
for (int y = min_y_tile; y <= max_y_tile; y++) {
for (int x = min_x_tile; x <= max_x_tile; x++) {
bool end_of_frame = (x == max_x_tile &&
y == max_y_tile);
cl_start_reloc(&vc4->rcl, 1);
cl_u8(&vc4->rcl, VC4_PACKET_LOAD_TILE_BUFFER_GENERAL);
cl_u16(&vc4->rcl,
VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_COLOR,
VC4_LOADSTORE_TILE_BUFFER_BUFFER) |
VC4_SET_FIELD(src_surf->tiling,
VC4_LOADSTORE_TILE_BUFFER_TILING) |
VC4_SET_FIELD(vc4_rt_format_is_565(src_surf->base.format) ?
VC4_LOADSTORE_TILE_BUFFER_BGR565 :
VC4_LOADSTORE_TILE_BUFFER_RGBA8888,
VC4_LOADSTORE_TILE_BUFFER_FORMAT));
cl_reloc_hindex(&vc4->rcl, src_hindex,
src_surf->offset);
cl_u8(&vc4->rcl, VC4_PACKET_TILE_COORDINATES);
cl_u8(&vc4->rcl, x);
cl_u8(&vc4->rcl, y);
if (end_of_frame) {
cl_u8(&vc4->rcl,
VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF);
} else {
cl_u8(&vc4->rcl,
VC4_PACKET_STORE_MS_TILE_BUFFER);
}
}
}
vc4->draw_min_x = 0;
vc4->draw_min_y = 0;
vc4->draw_max_x = dst_surf->base.width;
vc4->draw_max_y = dst_surf->base.height;
dst->writes++;
vc4->needs_flush = true;
}
static struct vc4_surface *
vc4_get_blit_surface(struct pipe_context *pctx,
struct pipe_resource *prsc, unsigned level)
{
struct pipe_surface tmpl;
memset(&tmpl, 0, sizeof(tmpl));
tmpl.format = prsc->format;
tmpl.u.tex.level = level;
tmpl.u.tex.first_layer = 0;
tmpl.u.tex.last_layer = 0;
return vc4_surface(pctx->create_surface(pctx, prsc, &tmpl));
}
static bool
vc4_tile_blit(struct pipe_context *pctx, const struct pipe_blit_info *info)
{
struct vc4_context *vc4 = vc4_context(pctx);
if (util_format_is_depth_or_stencil(info->dst.resource->format))
return false;
if ((info->mask & PIPE_MASK_RGBA) == 0)
return false;
if (info->dst.box.x != 0 || info->dst.box.y != 0 ||
info->src.box.x != 0 || info->src.box.y != 0 ||
info->dst.box.width != info->src.box.width ||
info->dst.box.height != info->src.box.height) {
return false;
}
if (info->dst.resource->format != info->src.resource->format)
return false;
struct vc4_surface *dst_surf =
vc4_get_blit_surface(pctx, info->dst.resource, info->dst.level);
struct vc4_surface *src_surf =
vc4_get_blit_surface(pctx, info->src.resource, info->src.level);
vc4_flush(pctx);
vc4_tile_blit_color_rcl(vc4, dst_surf, src_surf);
vc4_job_submit(vc4);
pctx->surface_destroy(pctx, &dst_surf->base);
pctx->surface_destroy(pctx, &src_surf->base);
return true;
}
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 (vc4_tile_blit(pctx, blit_info))
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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