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/*
* Copyright © 2014 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 <xf86drm.h>
#include <err.h>
#include <stdio.h>
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_blitter.h"
#include "indices/u_primconvert.h"
#include "pipe/p_screen.h"
#define __user
#include "vc4_drm.h"
#include "vc4_screen.h"
#include "vc4_context.h"
#include "vc4_resource.h"
static void
dump_fbo(struct vc4_context *vc4, struct vc4_bo *fbo)
{
#ifndef USE_VC4_SIMULATOR
uint32_t *map = vc4_bo_map(fbo);
uint32_t width = vc4->framebuffer.width;
uint32_t height = vc4->framebuffer.height;
uint32_t chunk_w = width / 79;
uint32_t chunk_h = height / 40;
uint32_t found_colors[10];
uint32_t num_found_colors = 0;
for (int by = 0; by < height; by += chunk_h) {
for (int bx = 0; bx < width; bx += chunk_w) {
bool on = false, black = false;
for (int y = by; y < MIN2(height, by + chunk_h); y++) {
for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
uint32_t pix = map[y * width + x];
on |= pix != 0;
black |= pix == 0xff000000;
int i;
for (i = 0; i < num_found_colors; i++) {
if (pix == found_colors[i])
break;
}
if (i == num_found_colors &&
num_found_colors < Elements(found_colors))
found_colors[num_found_colors++] = pix;
}
}
if (black)
fprintf(stderr, "O");
else if (on)
fprintf(stderr, "X");
else
fprintf(stderr, ".");
}
fprintf(stderr, "\n");
}
for (int i = 0; i < num_found_colors; i++) {
fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
}
#endif
}
void
vc4_flush(struct pipe_context *pctx)
{
struct vc4_context *vc4 = vc4_context(pctx);
if (!vc4->needs_flush)
return;
struct vc4_surface *csurf = vc4_surface(vc4->framebuffer.cbufs[0]);
struct vc4_resource *ctex = vc4_resource(csurf->base.texture);
struct drm_vc4_submit_cl submit;
memset(&submit, 0, sizeof(submit));
submit.bo_handles = vc4->bo_handles.base;
submit.bo_handle_count = (vc4->bo_handles.next -
vc4->bo_handles.base) / 4;
submit.bin_cl = vc4->bcl.base;
submit.bin_cl_len = vc4->bcl.next - vc4->bcl.base;
submit.render_cl = vc4->rcl.base;
submit.render_cl_len = vc4->rcl.next - vc4->rcl.base;
submit.shader_records = vc4->shader_rec.base;
submit.shader_record_len = vc4->shader_rec.next - vc4->shader_rec.base;
submit.shader_record_count = vc4->shader_rec_count;
#ifndef USE_VC4_SIMULATOR
int ret = drmIoctl(vc4->fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit);
if (ret)
errx(1, "VC4 submit failed\n");
#else
vc4_simulator_flush(vc4, csurf);
#endif
vc4_reset_cl(&vc4->bcl);
vc4_reset_cl(&vc4->rcl);
vc4_reset_cl(&vc4->shader_rec);
vc4_reset_cl(&vc4->bo_handles);
vc4->shader_rec_count = 0;
vc4->needs_flush = false;
vc4->dirty = ~0;
dump_fbo(vc4, ctex->bo);
}
static void
vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
unsigned flags)
{
vc4_flush(pctx);
}
static void
vc4_context_destroy(struct pipe_context *pctx)
{
struct vc4_context *vc4 = vc4_context(pctx);
if (vc4->blitter)
util_blitter_destroy(vc4->blitter);
if (vc4->primconvert)
util_primconvert_destroy(vc4->primconvert);
util_slab_destroy(&vc4->transfer_pool);
free(vc4);
}
struct pipe_context *
vc4_context_create(struct pipe_screen *pscreen, void *priv)
{
struct vc4_screen *screen = vc4_screen(pscreen);
struct vc4_context *vc4;
vc4 = CALLOC_STRUCT(vc4_context);
if (vc4 == NULL)
return NULL;
struct pipe_context *pctx = &vc4->base;
vc4->screen = screen;
pctx->screen = pscreen;
pctx->priv = priv;
pctx->destroy = vc4_context_destroy;
pctx->flush = vc4_pipe_flush;
vc4_draw_init(pctx);
vc4_state_init(pctx);
vc4_program_init(pctx);
vc4_resource_context_init(pctx);
vc4_init_cl(vc4, &vc4->bcl);
vc4_init_cl(vc4, &vc4->rcl);
vc4_init_cl(vc4, &vc4->shader_rec);
vc4_init_cl(vc4, &vc4->bo_handles);
vc4->dirty = ~0;
vc4->fd = screen->fd;
util_slab_create(&vc4->transfer_pool, sizeof(struct pipe_transfer),
16, UTIL_SLAB_SINGLETHREADED);
vc4->blitter = util_blitter_create(pctx);
if (!vc4->blitter)
goto fail;
vc4->primconvert = util_primconvert_create(pctx,
!((1 << PIPE_PRIM_QUADS) - 1));
if (!vc4->primconvert)
goto fail;
return &vc4->base;
fail:
pctx->destroy(pctx);
return NULL;
}
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