| /* |
| * Copyright © 2017 Intel Corporation |
| * |
| * 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 |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. |
| */ |
| #ifndef IRIS_SCREEN_H |
| #define IRIS_SCREEN_H |
| |
| #include "pipe/p_screen.h" |
| #include "state_tracker/drm_driver.h" |
| #include "util/disk_cache.h" |
| #include "util/slab.h" |
| #include "util/u_screen.h" |
| #include "intel/dev/gen_device_info.h" |
| #include "intel/isl/isl.h" |
| #include "iris_bufmgr.h" |
| |
| struct iris_bo; |
| struct iris_monitor_config; |
| struct gen_l3_config; |
| |
| #define READ_ONCE(x) (*(volatile __typeof__(x) *)&(x)) |
| #define WRITE_ONCE(x, v) *(volatile __typeof__(x) *)&(x) = (v) |
| |
| #define IRIS_MAX_TEXTURE_SAMPLERS 32 |
| #define IRIS_MAX_SOL_BUFFERS 4 |
| #define IRIS_MAP_BUFFER_ALIGNMENT 64 |
| |
| struct iris_screen { |
| struct pipe_screen base; |
| |
| uint32_t refcount; |
| |
| /** Global slab allocator for iris_transfer_map objects */ |
| struct slab_parent_pool transfer_pool; |
| |
| /** drm device file descriptor, shared with bufmgr, do not close. */ |
| int fd; |
| |
| /** |
| * drm device file descriptor to used for window system integration, owned |
| * by iris_screen, can be a different DRM instance than fd. |
| */ |
| int winsys_fd; |
| |
| /** PCI ID for our GPU device */ |
| int pci_id; |
| |
| bool no_hw; |
| |
| /** Global program_string_id counter (see get_program_string_id()) */ |
| unsigned program_id; |
| |
| /** Precompile shaders at link time? (Can be disabled for debugging.) */ |
| bool precompile; |
| |
| /** driconf options and application workarounds */ |
| struct { |
| /** Dual color blend by location instead of index (for broken apps) */ |
| bool dual_color_blend_by_location; |
| bool disable_throttling; |
| bool always_flush_cache; |
| } driconf; |
| |
| unsigned subslice_total; |
| |
| uint64_t aperture_bytes; |
| |
| struct gen_device_info devinfo; |
| struct isl_device isl_dev; |
| struct iris_bufmgr *bufmgr; |
| struct brw_compiler *compiler; |
| struct iris_monitor_config *monitor_cfg; |
| |
| const struct gen_l3_config *l3_config_3d; |
| const struct gen_l3_config *l3_config_cs; |
| |
| /** |
| * A buffer containing nothing useful, for hardware workarounds that |
| * require scratch writes or reads from some unimportant memory. |
| */ |
| struct iris_bo *workaround_bo; |
| |
| struct disk_cache *disk_cache; |
| }; |
| |
| struct pipe_screen * |
| iris_screen_create(int fd, const struct pipe_screen_config *config); |
| |
| void iris_screen_destroy(struct iris_screen *screen); |
| |
| UNUSED static inline struct pipe_screen * |
| iris_pscreen_ref(struct pipe_screen *pscreen) |
| { |
| struct iris_screen *screen = (struct iris_screen *) pscreen; |
| |
| p_atomic_inc(&screen->refcount); |
| return pscreen; |
| } |
| |
| UNUSED static inline void |
| iris_pscreen_unref(struct pipe_screen *pscreen) |
| { |
| struct iris_screen *screen = (struct iris_screen *) pscreen; |
| |
| if (p_atomic_dec_zero(&screen->refcount)) |
| iris_screen_destroy(screen); |
| } |
| |
| bool |
| iris_is_format_supported(struct pipe_screen *pscreen, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned sample_count, |
| unsigned storage_sample_count, |
| unsigned usage); |
| |
| void iris_disk_cache_init(struct iris_screen *screen); |
| |
| #endif |