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obs-studio/libobs/graphics/graphics-imports.c
T
Alex Luccisano abb8cdf0da libobs, libobs-opengl: Add memory and identification APIs 
Add graphics APIs to obtain the GPU driver version and renderer
strings, as well as GDDR memory sizes. The GDDR memory sizes
include the dmem (dedicated memory on the GPU) and smem
(shared CPU memory used by the GPU but resides in the CPU DDR).

The version and renderer strings are needed for identification
purposes, for example enhanced broadcasting used by Twitch, to
associate the GPU used by OBS with the PCIe-based identification
values such as device_id and vendor_id.
2025-04-01 23:18:15 -04:00

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/******************************************************************************
Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#include "../util/base.h"
#include "../util/dstr.h"
#include "../util/platform.h"
#include "graphics-internal.h"
#define GRAPHICS_IMPORT(func) \
do { \
exports->func = os_dlsym(module, #func); \
if (!exports->func) { \
success = false; \
blog(LOG_ERROR, \
"Could not load function '%s' from " \
"module '%s'", \
#func, module_name); \
} \
} while (false)
#define GRAPHICS_IMPORT_OPTIONAL(func) \
do { \
exports->func = os_dlsym(module, #func); \
} while (false)
bool load_graphics_imports(struct gs_exports *exports, void *module, const char *module_name)
{
bool success = true;
GRAPHICS_IMPORT(device_get_name);
GRAPHICS_IMPORT_OPTIONAL(gpu_get_driver_version);
GRAPHICS_IMPORT_OPTIONAL(gpu_get_renderer);
GRAPHICS_IMPORT_OPTIONAL(gpu_get_dmem);
GRAPHICS_IMPORT_OPTIONAL(gpu_get_smem);
GRAPHICS_IMPORT(device_get_type);
GRAPHICS_IMPORT_OPTIONAL(device_enum_adapters);
GRAPHICS_IMPORT(device_preprocessor_name);
GRAPHICS_IMPORT(device_create);
GRAPHICS_IMPORT(device_destroy);
GRAPHICS_IMPORT(device_enter_context);
GRAPHICS_IMPORT(device_leave_context);
GRAPHICS_IMPORT(device_get_device_obj);
GRAPHICS_IMPORT(device_swapchain_create);
GRAPHICS_IMPORT(device_resize);
GRAPHICS_IMPORT(device_get_color_space);
GRAPHICS_IMPORT(device_update_color_space);
GRAPHICS_IMPORT(device_get_size);
GRAPHICS_IMPORT(device_get_width);
GRAPHICS_IMPORT(device_get_height);
GRAPHICS_IMPORT(device_texture_create);
GRAPHICS_IMPORT(device_cubetexture_create);
GRAPHICS_IMPORT(device_voltexture_create);
GRAPHICS_IMPORT(device_zstencil_create);
GRAPHICS_IMPORT(device_stagesurface_create);
GRAPHICS_IMPORT(device_samplerstate_create);
GRAPHICS_IMPORT(device_vertexshader_create);
GRAPHICS_IMPORT(device_pixelshader_create);
GRAPHICS_IMPORT(device_vertexbuffer_create);
GRAPHICS_IMPORT(device_indexbuffer_create);
GRAPHICS_IMPORT(device_timer_create);
GRAPHICS_IMPORT(device_timer_range_create);
GRAPHICS_IMPORT(device_get_texture_type);
GRAPHICS_IMPORT(device_load_vertexbuffer);
GRAPHICS_IMPORT(device_load_indexbuffer);
GRAPHICS_IMPORT(device_load_texture);
GRAPHICS_IMPORT(device_load_samplerstate);
GRAPHICS_IMPORT(device_load_vertexshader);
GRAPHICS_IMPORT(device_load_pixelshader);
GRAPHICS_IMPORT(device_load_default_samplerstate);
GRAPHICS_IMPORT(device_get_vertex_shader);
GRAPHICS_IMPORT(device_get_pixel_shader);
GRAPHICS_IMPORT(device_get_render_target);
GRAPHICS_IMPORT(device_get_zstencil_target);
GRAPHICS_IMPORT(device_set_render_target);
GRAPHICS_IMPORT(device_set_render_target_with_color_space);
GRAPHICS_IMPORT(device_set_cube_render_target);
GRAPHICS_IMPORT(device_enable_framebuffer_srgb);
GRAPHICS_IMPORT(device_framebuffer_srgb_enabled);
GRAPHICS_IMPORT(device_copy_texture_region);
GRAPHICS_IMPORT(device_copy_texture);
GRAPHICS_IMPORT(device_stage_texture);
GRAPHICS_IMPORT(device_begin_frame);
GRAPHICS_IMPORT(device_begin_scene);
GRAPHICS_IMPORT(device_draw);
GRAPHICS_IMPORT(device_load_swapchain);
GRAPHICS_IMPORT(device_end_scene);
GRAPHICS_IMPORT(device_clear);
GRAPHICS_IMPORT(device_is_present_ready);
GRAPHICS_IMPORT(device_present);
GRAPHICS_IMPORT(device_flush);
GRAPHICS_IMPORT(device_set_cull_mode);
GRAPHICS_IMPORT(device_get_cull_mode);
GRAPHICS_IMPORT(device_enable_blending);
GRAPHICS_IMPORT(device_enable_depth_test);
GRAPHICS_IMPORT(device_enable_stencil_test);
GRAPHICS_IMPORT(device_enable_stencil_write);
GRAPHICS_IMPORT(device_enable_color);
GRAPHICS_IMPORT(device_blend_function);
GRAPHICS_IMPORT(device_blend_function_separate);
GRAPHICS_IMPORT(device_blend_op);
GRAPHICS_IMPORT(device_depth_function);
GRAPHICS_IMPORT(device_stencil_function);
GRAPHICS_IMPORT(device_stencil_op);
GRAPHICS_IMPORT(device_set_viewport);
GRAPHICS_IMPORT(device_get_viewport);
GRAPHICS_IMPORT(device_set_scissor_rect);
GRAPHICS_IMPORT(device_ortho);
GRAPHICS_IMPORT(device_frustum);
GRAPHICS_IMPORT(device_projection_push);
GRAPHICS_IMPORT(device_projection_pop);
GRAPHICS_IMPORT(gs_swapchain_destroy);
GRAPHICS_IMPORT(gs_texture_destroy);
GRAPHICS_IMPORT(gs_texture_get_width);
GRAPHICS_IMPORT(gs_texture_get_height);
GRAPHICS_IMPORT(gs_texture_get_color_format);
GRAPHICS_IMPORT(gs_texture_map);
GRAPHICS_IMPORT(gs_texture_unmap);
GRAPHICS_IMPORT_OPTIONAL(gs_texture_is_rect);
GRAPHICS_IMPORT(gs_texture_get_obj);
GRAPHICS_IMPORT(gs_cubetexture_destroy);
GRAPHICS_IMPORT(gs_cubetexture_get_size);
GRAPHICS_IMPORT(gs_cubetexture_get_color_format);
GRAPHICS_IMPORT(gs_voltexture_destroy);
GRAPHICS_IMPORT(gs_voltexture_get_width);
GRAPHICS_IMPORT(gs_voltexture_get_height);
GRAPHICS_IMPORT(gs_voltexture_get_depth);
GRAPHICS_IMPORT(gs_voltexture_get_color_format);
GRAPHICS_IMPORT(gs_stagesurface_destroy);
GRAPHICS_IMPORT(gs_stagesurface_get_width);
GRAPHICS_IMPORT(gs_stagesurface_get_height);
GRAPHICS_IMPORT(gs_stagesurface_get_color_format);
GRAPHICS_IMPORT(gs_stagesurface_map);
GRAPHICS_IMPORT(gs_stagesurface_unmap);
GRAPHICS_IMPORT(gs_zstencil_destroy);
GRAPHICS_IMPORT(gs_samplerstate_destroy);
GRAPHICS_IMPORT(gs_vertexbuffer_destroy);
GRAPHICS_IMPORT(gs_vertexbuffer_flush);
GRAPHICS_IMPORT(gs_vertexbuffer_flush_direct);
GRAPHICS_IMPORT(gs_vertexbuffer_get_data);
GRAPHICS_IMPORT(gs_indexbuffer_destroy);
GRAPHICS_IMPORT(gs_indexbuffer_flush);
GRAPHICS_IMPORT(gs_indexbuffer_flush_direct);
GRAPHICS_IMPORT(gs_indexbuffer_get_data);
GRAPHICS_IMPORT(gs_indexbuffer_get_num_indices);
GRAPHICS_IMPORT(gs_indexbuffer_get_type);
GRAPHICS_IMPORT(gs_timer_destroy);
GRAPHICS_IMPORT(gs_timer_begin);
GRAPHICS_IMPORT(gs_timer_end);
GRAPHICS_IMPORT(gs_timer_get_data);
GRAPHICS_IMPORT(gs_timer_range_destroy);
GRAPHICS_IMPORT(gs_timer_range_begin);
GRAPHICS_IMPORT(gs_timer_range_end);
GRAPHICS_IMPORT(gs_timer_range_get_data);
GRAPHICS_IMPORT(gs_shader_destroy);
GRAPHICS_IMPORT(gs_shader_get_num_params);
GRAPHICS_IMPORT(gs_shader_get_param_by_idx);
GRAPHICS_IMPORT(gs_shader_get_param_by_name);
GRAPHICS_IMPORT(gs_shader_get_viewproj_matrix);
GRAPHICS_IMPORT(gs_shader_get_world_matrix);
GRAPHICS_IMPORT(gs_shader_get_param_info);
GRAPHICS_IMPORT(gs_shader_set_bool);
GRAPHICS_IMPORT(gs_shader_set_float);
GRAPHICS_IMPORT(gs_shader_set_int);
GRAPHICS_IMPORT(gs_shader_set_matrix3);
GRAPHICS_IMPORT(gs_shader_set_matrix4);
GRAPHICS_IMPORT(gs_shader_set_vec2);
GRAPHICS_IMPORT(gs_shader_set_vec3);
GRAPHICS_IMPORT(gs_shader_set_vec4);
GRAPHICS_IMPORT(gs_shader_set_texture);
GRAPHICS_IMPORT(gs_shader_set_val);
GRAPHICS_IMPORT(gs_shader_set_default);
GRAPHICS_IMPORT(gs_shader_set_next_sampler);
GRAPHICS_IMPORT_OPTIONAL(device_nv12_available);
GRAPHICS_IMPORT_OPTIONAL(device_p010_available);
GRAPHICS_IMPORT_OPTIONAL(device_texture_create_nv12);
GRAPHICS_IMPORT_OPTIONAL(device_texture_create_p010);
GRAPHICS_IMPORT(device_is_monitor_hdr);
GRAPHICS_IMPORT(device_debug_marker_begin);
GRAPHICS_IMPORT(device_debug_marker_end);
GRAPHICS_IMPORT_OPTIONAL(gs_get_adapter_count);
/* OSX/Cocoa specific functions */
#ifdef __APPLE__
GRAPHICS_IMPORT(device_shared_texture_available);
GRAPHICS_IMPORT(device_texture_open_shared);
GRAPHICS_IMPORT(device_texture_create_from_iosurface);
GRAPHICS_IMPORT(gs_texture_rebind_iosurface);
/* win32 specific functions */
#elif _WIN32
GRAPHICS_IMPORT(device_gdi_texture_available);
GRAPHICS_IMPORT(device_shared_texture_available);
GRAPHICS_IMPORT_OPTIONAL(device_get_duplicator_monitor_info);
GRAPHICS_IMPORT_OPTIONAL(device_duplicator_get_monitor_index);
GRAPHICS_IMPORT_OPTIONAL(device_duplicator_create);
GRAPHICS_IMPORT_OPTIONAL(gs_duplicator_destroy);
GRAPHICS_IMPORT_OPTIONAL(gs_duplicator_update_frame);
GRAPHICS_IMPORT_OPTIONAL(gs_duplicator_get_texture);
GRAPHICS_IMPORT_OPTIONAL(gs_duplicator_get_color_space);
GRAPHICS_IMPORT_OPTIONAL(gs_duplicator_get_sdr_white_level);
GRAPHICS_IMPORT_OPTIONAL(device_can_adapter_fast_clear);
GRAPHICS_IMPORT_OPTIONAL(device_texture_create_gdi);
GRAPHICS_IMPORT_OPTIONAL(gs_texture_get_dc);
GRAPHICS_IMPORT_OPTIONAL(gs_texture_release_dc);
GRAPHICS_IMPORT_OPTIONAL(device_texture_open_shared);
GRAPHICS_IMPORT_OPTIONAL(device_texture_open_nt_shared);
GRAPHICS_IMPORT_OPTIONAL(device_texture_get_shared_handle);
GRAPHICS_IMPORT_OPTIONAL(device_texture_wrap_obj);
GRAPHICS_IMPORT_OPTIONAL(device_texture_acquire_sync);
GRAPHICS_IMPORT_OPTIONAL(device_texture_release_sync);
GRAPHICS_IMPORT_OPTIONAL(device_stagesurface_create_nv12);
GRAPHICS_IMPORT_OPTIONAL(device_stagesurface_create_p010);
GRAPHICS_IMPORT_OPTIONAL(device_register_loss_callbacks);
GRAPHICS_IMPORT_OPTIONAL(device_unregister_loss_callbacks);
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
GRAPHICS_IMPORT(device_texture_create_from_dmabuf);
GRAPHICS_IMPORT(device_query_dmabuf_capabilities);
GRAPHICS_IMPORT(device_query_dmabuf_modifiers_for_format);
GRAPHICS_IMPORT(device_texture_create_from_pixmap);
GRAPHICS_IMPORT(device_query_sync_capabilities);
GRAPHICS_IMPORT(device_sync_create);
GRAPHICS_IMPORT(device_sync_create_from_syncobj_timeline_point);
GRAPHICS_IMPORT(device_sync_destroy);
GRAPHICS_IMPORT(device_sync_export_syncobj_timeline_point);
GRAPHICS_IMPORT(device_sync_signal_syncobj_timeline_point);
GRAPHICS_IMPORT(device_sync_wait);
#endif
return success;
}
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