diff options
Diffstat (limited to 'vendor/gioui.org/shader/piet/runtime.h')
-rw-r--r-- | vendor/gioui.org/shader/piet/runtime.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/gioui.org/shader/piet/runtime.h b/vendor/gioui.org/shader/piet/runtime.h new file mode 100644 index 0000000..cfae912 --- /dev/null +++ b/vendor/gioui.org/shader/piet/runtime.h @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: Unlicense OR MIT + +#define ATTR_HIDDEN __attribute__ ((visibility ("hidden"))) + +// program_info contains constant parameters for a program. +struct program_info { + // MinMemorySize is the minimum size of memory passed to dispatch. + size_t min_memory_size; + // has_cbarriers is 1 when the program contains control barriers. + bool has_cbarriers; + // desc_set_size is the size of the first descriptor set for the program. + size_t desc_set_size; + int workgroup_size_x; + int workgroup_size_y; + int workgroup_size_z; + // Program entrypoints. + routine_begin begin; + routine_await await; + routine_destroy destroy; +}; + +// dispatch_context contains the information a program dispatch. +struct dispatch_context; + +// thread_context contains the working memory of a batch. It may be +// reused, but not concurrently. +struct thread_context; + +extern struct buffer_descriptor alloc_buffer(size_t size) ATTR_HIDDEN; +extern struct image_descriptor alloc_image_rgba(int width, int height) ATTR_HIDDEN; + +extern struct dispatch_context *alloc_dispatch_context(void) ATTR_HIDDEN; + +extern void free_dispatch_context(struct dispatch_context *c) ATTR_HIDDEN; + +extern struct thread_context *alloc_thread_context(void) ATTR_HIDDEN; + +extern void free_thread_context(struct thread_context *c) ATTR_HIDDEN; + +// prepare_dispatch initializes ctx to run a dispatch of a program distributed +// among nthreads threads. +extern void prepare_dispatch(struct dispatch_context *ctx, int nthreads, struct program_info *info, uint8_t *desc_set, int ngroupx, int ngroupy, int ngroupz) ATTR_HIDDEN; + +// dispatch_batch executes a dispatch batch. +extern void dispatch_thread(struct dispatch_context *ctx, int thread_idx, struct thread_context *thread) ATTR_HIDDEN; |