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/*
* Copyright © 2014-2015 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.
*/
/** @file vc4_job.c
*
* Functions for submitting VC4 render jobs to the kernel.
*/
#include <xf86drm.h>
#include "vc4_context.h"
void
vc4_job_init(struct vc4_context *vc4)
{
vc4_init_cl(vc4, &vc4->bcl);
vc4_init_cl(vc4, &vc4->shader_rec);
vc4_init_cl(vc4, &vc4->uniforms);
vc4_init_cl(vc4, &vc4->bo_handles);
vc4_init_cl(vc4, &vc4->bo_pointers);
vc4_job_reset(vc4);
}
void
vc4_job_reset(struct vc4_context *vc4)
{
struct vc4_bo **referenced_bos = vc4->bo_pointers.base;
for (int i = 0; i < cl_offset(&vc4->bo_handles) / 4; i++) {
vc4_bo_unreference(&referenced_bos[i]);
}
vc4_reset_cl(&vc4->bcl);
vc4_reset_cl(&vc4->shader_rec);
vc4_reset_cl(&vc4->uniforms);
vc4_reset_cl(&vc4->bo_handles);
vc4_reset_cl(&vc4->bo_pointers);
vc4->shader_rec_count = 0;
vc4->needs_flush = false;
vc4->draw_calls_queued = 0;
/* We have no hardware context saved between our draw calls, so we
* need to flag the next draw as needing all state emitted. Emitting
* all state at the start of our draws is also what ensures that we
* return to the state we need after a previous tile has finished.
*/
vc4->dirty = ~0;
vc4->resolve = 0;
vc4->cleared = 0;
vc4->draw_min_x = ~0;
vc4->draw_min_y = ~0;
vc4->draw_max_x = 0;
vc4->draw_max_y = 0;
}
static void
vc4_submit_setup_rcl_surface(struct vc4_context *vc4,
struct drm_vc4_submit_rcl_surface *submit_surf,
struct pipe_surface *psurf,
bool is_depth, bool is_write)
{
struct vc4_surface *surf = vc4_surface(psurf);
if (!surf) {
submit_surf->hindex = ~0;
return;
}
struct vc4_resource *rsc = vc4_resource(psurf->texture);
submit_surf->hindex = vc4_gem_hindex(vc4, rsc->bo);
submit_surf->offset = surf->offset;
if (is_depth) {
submit_surf->bits =
VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_ZS,
VC4_LOADSTORE_TILE_BUFFER_BUFFER);
} else {
submit_surf->bits =
VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_COLOR,
VC4_LOADSTORE_TILE_BUFFER_BUFFER) |
VC4_SET_FIELD(vc4_rt_format_is_565(psurf->format) ?
VC4_LOADSTORE_TILE_BUFFER_BGR565 :
VC4_LOADSTORE_TILE_BUFFER_RGBA8888,
VC4_LOADSTORE_TILE_BUFFER_FORMAT);
}
submit_surf->bits |=
VC4_SET_FIELD(surf->tiling, VC4_LOADSTORE_TILE_BUFFER_TILING);
if (is_write)
rsc->writes++;
}
static void
vc4_submit_setup_rcl_render_config_surface(struct vc4_context *vc4,
struct drm_vc4_submit_rcl_surface *submit_surf,
struct pipe_surface *psurf)
{
struct vc4_surface *surf = vc4_surface(psurf);
if (!surf) {
submit_surf->hindex = ~0;
return;
}
struct vc4_resource *rsc = vc4_resource(psurf->texture);
submit_surf->hindex = vc4_gem_hindex(vc4, rsc->bo);
submit_surf->offset = surf->offset;
submit_surf->bits =
VC4_SET_FIELD(vc4_rt_format_is_565(surf->base.format) ?
VC4_RENDER_CONFIG_FORMAT_BGR565 :
VC4_RENDER_CONFIG_FORMAT_RGBA8888,
VC4_RENDER_CONFIG_FORMAT) |
VC4_SET_FIELD(surf->tiling, VC4_RENDER_CONFIG_MEMORY_FORMAT);
rsc->writes++;
}
/**
* Submits the job to the kernel and then reinitializes it.
*/
void
vc4_job_submit(struct vc4_context *vc4)
{
if (vc4_debug & VC4_DEBUG_CL) {
fprintf(stderr, "BCL:\n");
vc4_dump_cl(vc4->bcl.base, cl_offset(&vc4->bcl), false);
}
struct drm_vc4_submit_cl submit;
memset(&submit, 0, sizeof(submit));
cl_ensure_space(&vc4->bo_handles, 4 * sizeof(uint32_t));
cl_ensure_space(&vc4->bo_pointers, 4 * sizeof(struct vc4_bo *));
vc4_submit_setup_rcl_surface(vc4, &submit.color_read,
vc4->color_read, false, false);
vc4_submit_setup_rcl_render_config_surface(vc4, &submit.color_write,
vc4->color_write);
vc4_submit_setup_rcl_surface(vc4, &submit.zs_read,
vc4->zs_read, true, false);
vc4_submit_setup_rcl_surface(vc4, &submit.zs_write,
vc4->zs_write, true, true);
submit.msaa_color_write.hindex = ~0;
submit.msaa_zs_write.hindex = ~0;
submit.bo_handles = (uintptr_t)vc4->bo_handles.base;
submit.bo_handle_count = cl_offset(&vc4->bo_handles) / 4;
submit.bin_cl = (uintptr_t)vc4->bcl.base;
submit.bin_cl_size = cl_offset(&vc4->bcl);
submit.shader_rec = (uintptr_t)vc4->shader_rec.base;
submit.shader_rec_size = cl_offset(&vc4->shader_rec);
submit.shader_rec_count = vc4->shader_rec_count;
submit.uniforms = (uintptr_t)vc4->uniforms.base;
submit.uniforms_size = cl_offset(&vc4->uniforms);
assert(vc4->draw_min_x != ~0 && vc4->draw_min_y != ~0);
submit.min_x_tile = vc4->draw_min_x / 64;
submit.min_y_tile = vc4->draw_min_y / 64;
submit.max_x_tile = (vc4->draw_max_x - 1) / 64;
submit.max_y_tile = (vc4->draw_max_y - 1) / 64;
submit.width = vc4->draw_width;
submit.height = vc4->draw_height;
if (vc4->cleared) {
submit.flags |= VC4_SUBMIT_CL_USE_CLEAR_COLOR;
submit.clear_color[0] = vc4->clear_color[0];
submit.clear_color[1] = vc4->clear_color[1];
submit.clear_z = vc4->clear_depth;
submit.clear_s = vc4->clear_stencil;
}
if (!(vc4_debug & VC4_DEBUG_NORAST)) {
int ret;
#ifndef USE_VC4_SIMULATOR
ret = drmIoctl(vc4->fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit);
#else
ret = vc4_simulator_flush(vc4, &submit);
#endif
if (ret) {
fprintf(stderr, "VC4 submit failed\n");
abort();
}
}
vc4->last_emit_seqno = submit.seqno;
if (vc4_debug & VC4_DEBUG_ALWAYS_SYNC) {
if (!vc4_wait_seqno(vc4->screen, vc4->last_emit_seqno,
PIPE_TIMEOUT_INFINITE, "sync")) {
fprintf(stderr, "Wait failed.\n");
abort();
}
}
vc4_job_reset(vc4);
}
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