diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_context.c')
-rw-r--r-- | src/gallium/drivers/vc4/vc4_context.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_context.c b/src/gallium/drivers/vc4/vc4_context.c new file mode 100644 index 00000000000..51018d1cc94 --- /dev/null +++ b/src/gallium/drivers/vc4/vc4_context.c @@ -0,0 +1,192 @@ +/* + * 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 "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); + 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; + + return &vc4->base; + +fail: + pctx->destroy(pctx); + return NULL; +} |