diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_cl.c')
-rw-r--r-- | src/gallium/drivers/vc4/vc4_cl.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_cl.c b/src/gallium/drivers/vc4/vc4_cl.c new file mode 100644 index 00000000000..3bbeadc49ee --- /dev/null +++ b/src/gallium/drivers/vc4/vc4_cl.c @@ -0,0 +1,74 @@ +/* + * 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 "util/u_math.h" +#include "vc4_context.h" + +void +vc4_init_cl(struct vc4_context *vc4, struct vc4_cl *cl) +{ +#ifdef USE_VC4_SIMULATOR + uint32_t size = 256 * 1024; + cl->base = vc4_simulator_alloc(vc4->screen, size); + cl->end = cl->base + size; + cl->next = cl->base; +#endif +} + +void +vc4_grow_cl(struct vc4_cl *cl) +{ + uint32_t size = MAX2((cl->end - cl->base) * 2, 4096); + uint32_t offset = cl->next -cl->base; + +#ifdef USE_VC4_SIMULATOR + assert(!"not reached"); +#endif + cl->base = realloc(cl->base, size); + cl->end = cl->base + size; + cl->next = cl->base + offset; +} + +void +vc4_reset_cl(struct vc4_cl *cl) +{ + assert(cl->reloc_count == 0); + cl->next = cl->base; +} + +uint32_t +vc4_gem_hindex(struct vc4_context *vc4, struct vc4_bo *bo) +{ + uint32_t hindex; + uint32_t *current_handles = vc4->bo_handles.base; + + for (hindex = 0; + hindex < (vc4->bo_handles.next - vc4->bo_handles.base) / 4; + hindex++) { + if (current_handles[hindex] == bo->handle) + return hindex; + } + + cl_u32(&vc4->bo_handles, bo->handle); + return hindex; +} |