obs-studio/libobs/graphics/graphics-internal.h

418 lines
17 KiB
C

/******************************************************************************
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/>.
******************************************************************************/
#pragma once
#include "../util/threading.h"
#include "../util/darray.h"
#include "graphics.h"
#include "matrix3.h"
#include "matrix4.h"
struct gs_exports {
const char *(*device_get_name)(void);
int (*device_get_type)(void);
bool (*device_enum_adapters)(bool (*callback)(void *, const char *,
uint32_t),
void *);
const char *(*device_preprocessor_name)(void);
int (*device_create)(gs_device_t **device, uint32_t adapter);
void (*device_destroy)(gs_device_t *device);
void (*device_enter_context)(gs_device_t *device);
void (*device_leave_context)(gs_device_t *device);
void *(*device_get_device_obj)(gs_device_t *device);
gs_swapchain_t *(*device_swapchain_create)(
gs_device_t *device, const struct gs_init_data *data);
void (*device_resize)(gs_device_t *device, uint32_t x, uint32_t y);
enum gs_color_space (*device_get_color_space)(gs_device_t *device);
void (*device_update_color_space)(gs_device_t *device);
void (*device_get_size)(const gs_device_t *device, uint32_t *x,
uint32_t *y);
uint32_t (*device_get_width)(const gs_device_t *device);
uint32_t (*device_get_height)(const gs_device_t *device);
gs_texture_t *(*device_texture_create)(
gs_device_t *device, uint32_t width, uint32_t height,
enum gs_color_format color_format, uint32_t levels,
const uint8_t **data, uint32_t flags);
gs_texture_t *(*device_cubetexture_create)(
gs_device_t *device, uint32_t size,
enum gs_color_format color_format, uint32_t levels,
const uint8_t **data, uint32_t flags);
gs_texture_t *(*device_voltexture_create)(
gs_device_t *device, uint32_t width, uint32_t height,
uint32_t depth, enum gs_color_format color_format,
uint32_t levels, const uint8_t *const *data, uint32_t flags);
gs_zstencil_t *(*device_zstencil_create)(
gs_device_t *device, uint32_t width, uint32_t height,
enum gs_zstencil_format format);
gs_stagesurf_t *(*device_stagesurface_create)(
gs_device_t *device, uint32_t width, uint32_t height,
enum gs_color_format color_format);
gs_samplerstate_t *(*device_samplerstate_create)(
gs_device_t *device, const struct gs_sampler_info *info);
gs_shader_t *(*device_vertexshader_create)(gs_device_t *device,
const char *shader,
const char *file,
char **error_string);
gs_shader_t *(*device_pixelshader_create)(gs_device_t *device,
const char *shader,
const char *file,
char **error_string);
gs_vertbuffer_t *(*device_vertexbuffer_create)(gs_device_t *device,
struct gs_vb_data *data,
uint32_t flags);
gs_indexbuffer_t *(*device_indexbuffer_create)(gs_device_t *device,
enum gs_index_type type,
void *indices,
size_t num,
uint32_t flags);
gs_timer_t *(*device_timer_create)(gs_device_t *device);
gs_timer_range_t *(*device_timer_range_create)(gs_device_t *device);
enum gs_texture_type (*device_get_texture_type)(
const gs_texture_t *texture);
void (*device_load_vertexbuffer)(gs_device_t *device,
gs_vertbuffer_t *vertbuffer);
void (*device_load_indexbuffer)(gs_device_t *device,
gs_indexbuffer_t *indexbuffer);
void (*device_load_texture)(gs_device_t *device, gs_texture_t *tex,
int unit);
void (*device_load_samplerstate)(gs_device_t *device,
gs_samplerstate_t *samplerstate,
int unit);
void (*device_load_vertexshader)(gs_device_t *device,
gs_shader_t *vertshader);
void (*device_load_pixelshader)(gs_device_t *device,
gs_shader_t *pixelshader);
void (*device_load_default_samplerstate)(gs_device_t *device, bool b_3d,
int unit);
gs_shader_t *(*device_get_vertex_shader)(const gs_device_t *device);
gs_shader_t *(*device_get_pixel_shader)(const gs_device_t *device);
gs_texture_t *(*device_get_render_target)(const gs_device_t *device);
gs_zstencil_t *(*device_get_zstencil_target)(const gs_device_t *device);
void (*device_set_render_target)(gs_device_t *device, gs_texture_t *tex,
gs_zstencil_t *zstencil);
void (*device_set_render_target_with_color_space)(
gs_device_t *device, gs_texture_t *tex, gs_zstencil_t *zstencil,
enum gs_color_space space);
void (*device_set_cube_render_target)(gs_device_t *device,
gs_texture_t *cubetex, int side,
gs_zstencil_t *zstencil);
void (*device_enable_framebuffer_srgb)(gs_device_t *device,
bool enable);
bool (*device_framebuffer_srgb_enabled)(gs_device_t *device);
void (*device_copy_texture)(gs_device_t *device, gs_texture_t *dst,
gs_texture_t *src);
void (*device_copy_texture_region)(gs_device_t *device,
gs_texture_t *dst, uint32_t dst_x,
uint32_t dst_y, gs_texture_t *src,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h);
void (*device_stage_texture)(gs_device_t *device, gs_stagesurf_t *dst,
gs_texture_t *src);
void (*device_begin_frame)(gs_device_t *device);
void (*device_begin_scene)(gs_device_t *device);
void (*device_draw)(gs_device_t *device, enum gs_draw_mode draw_mode,
uint32_t start_vert, uint32_t num_verts);
void (*device_end_scene)(gs_device_t *device);
void (*device_load_swapchain)(gs_device_t *device,
gs_swapchain_t *swaphchain);
void (*device_clear)(gs_device_t *device, uint32_t clear_flags,
const struct vec4 *color, float depth,
uint8_t stencil);
bool (*device_is_present_ready)(gs_device_t *device);
void (*device_present)(gs_device_t *device);
void (*device_flush)(gs_device_t *device);
void (*device_set_cull_mode)(gs_device_t *device,
enum gs_cull_mode mode);
enum gs_cull_mode (*device_get_cull_mode)(const gs_device_t *device);
void (*device_enable_blending)(gs_device_t *device, bool enable);
void (*device_enable_depth_test)(gs_device_t *device, bool enable);
void (*device_enable_stencil_test)(gs_device_t *device, bool enable);
void (*device_enable_stencil_write)(gs_device_t *device, bool enable);
void (*device_enable_color)(gs_device_t *device, bool red, bool green,
bool blue, bool alpha);
void (*device_blend_function)(gs_device_t *device,
enum gs_blend_type src,
enum gs_blend_type dest);
void (*device_blend_function_separate)(gs_device_t *device,
enum gs_blend_type src_c,
enum gs_blend_type dest_c,
enum gs_blend_type src_a,
enum gs_blend_type dest_a);
void (*device_blend_op)(gs_device_t *device, enum gs_blend_op_type op);
void (*device_depth_function)(gs_device_t *device,
enum gs_depth_test test);
void (*device_stencil_function)(gs_device_t *device,
enum gs_stencil_side side,
enum gs_depth_test test);
void (*device_stencil_op)(gs_device_t *device,
enum gs_stencil_side side,
enum gs_stencil_op_type fail,
enum gs_stencil_op_type zfail,
enum gs_stencil_op_type zpass);
void (*device_set_viewport)(gs_device_t *device, int x, int y,
int width, int height);
void (*device_get_viewport)(const gs_device_t *device,
struct gs_rect *rect);
void (*device_set_scissor_rect)(gs_device_t *device,
const struct gs_rect *rect);
void (*device_ortho)(gs_device_t *device, float left, float right,
float top, float bottom, float znear, float zfar);
void (*device_frustum)(gs_device_t *device, float left, float right,
float top, float bottom, float znear,
float zfar);
void (*device_projection_push)(gs_device_t *device);
void (*device_projection_pop)(gs_device_t *device);
void (*gs_swapchain_destroy)(gs_swapchain_t *swapchain);
void (*gs_texture_destroy)(gs_texture_t *tex);
uint32_t (*gs_texture_get_width)(const gs_texture_t *tex);
uint32_t (*gs_texture_get_height)(const gs_texture_t *tex);
enum gs_color_format (*gs_texture_get_color_format)(
const gs_texture_t *tex);
bool (*gs_texture_map)(gs_texture_t *tex, uint8_t **ptr,
uint32_t *linesize);
void (*gs_texture_unmap)(gs_texture_t *tex);
bool (*gs_texture_is_rect)(const gs_texture_t *tex);
void *(*gs_texture_get_obj)(const gs_texture_t *tex);
void (*gs_cubetexture_destroy)(gs_texture_t *cubetex);
uint32_t (*gs_cubetexture_get_size)(const gs_texture_t *cubetex);
enum gs_color_format (*gs_cubetexture_get_color_format)(
const gs_texture_t *cubetex);
void (*gs_voltexture_destroy)(gs_texture_t *voltex);
uint32_t (*gs_voltexture_get_width)(const gs_texture_t *voltex);
uint32_t (*gs_voltexture_get_height)(const gs_texture_t *voltex);
uint32_t (*gs_voltexture_get_depth)(const gs_texture_t *voltex);
enum gs_color_format (*gs_voltexture_get_color_format)(
const gs_texture_t *voltex);
void (*gs_stagesurface_destroy)(gs_stagesurf_t *stagesurf);
uint32_t (*gs_stagesurface_get_width)(const gs_stagesurf_t *stagesurf);
uint32_t (*gs_stagesurface_get_height)(const gs_stagesurf_t *stagesurf);
enum gs_color_format (*gs_stagesurface_get_color_format)(
const gs_stagesurf_t *stagesurf);
bool (*gs_stagesurface_map)(gs_stagesurf_t *stagesurf, uint8_t **data,
uint32_t *linesize);
void (*gs_stagesurface_unmap)(gs_stagesurf_t *stagesurf);
void (*gs_zstencil_destroy)(gs_zstencil_t *zstencil);
void (*gs_samplerstate_destroy)(gs_samplerstate_t *samplerstate);
void (*gs_vertexbuffer_destroy)(gs_vertbuffer_t *vertbuffer);
void (*gs_vertexbuffer_flush)(gs_vertbuffer_t *vertbuffer);
void (*gs_vertexbuffer_flush_direct)(gs_vertbuffer_t *vertbuffer,
const struct gs_vb_data *data);
struct gs_vb_data *(*gs_vertexbuffer_get_data)(
const gs_vertbuffer_t *vertbuffer);
void (*gs_indexbuffer_destroy)(gs_indexbuffer_t *indexbuffer);
void (*gs_indexbuffer_flush)(gs_indexbuffer_t *indexbuffer);
void (*gs_indexbuffer_flush_direct)(gs_indexbuffer_t *indexbuffer,
const void *data);
void *(*gs_indexbuffer_get_data)(const gs_indexbuffer_t *indexbuffer);
size_t (*gs_indexbuffer_get_num_indices)(
const gs_indexbuffer_t *indexbuffer);
enum gs_index_type (*gs_indexbuffer_get_type)(
const gs_indexbuffer_t *indexbuffer);
void (*gs_timer_destroy)(gs_timer_t *timer);
void (*gs_timer_begin)(gs_timer_t *timer);
void (*gs_timer_end)(gs_timer_t *timer);
bool (*gs_timer_get_data)(gs_timer_t *timer, uint64_t *ticks);
void (*gs_timer_range_destroy)(gs_timer_range_t *range);
bool (*gs_timer_range_begin)(gs_timer_range_t *range);
bool (*gs_timer_range_end)(gs_timer_range_t *range);
bool (*gs_timer_range_get_data)(gs_timer_range_t *range, bool *disjoint,
uint64_t *frequency);
void (*gs_shader_destroy)(gs_shader_t *shader);
int (*gs_shader_get_num_params)(const gs_shader_t *shader);
gs_sparam_t *(*gs_shader_get_param_by_idx)(gs_shader_t *shader,
uint32_t param);
gs_sparam_t *(*gs_shader_get_param_by_name)(gs_shader_t *shader,
const char *name);
gs_sparam_t *(*gs_shader_get_viewproj_matrix)(const gs_shader_t *shader);
gs_sparam_t *(*gs_shader_get_world_matrix)(const gs_shader_t *shader);
void (*gs_shader_get_param_info)(const gs_sparam_t *param,
struct gs_shader_param_info *info);
void (*gs_shader_set_bool)(gs_sparam_t *param, bool val);
void (*gs_shader_set_float)(gs_sparam_t *param, float val);
void (*gs_shader_set_int)(gs_sparam_t *param, int val);
void (*gs_shader_set_matrix3)(gs_sparam_t *param,
const struct matrix3 *val);
void (*gs_shader_set_matrix4)(gs_sparam_t *param,
const struct matrix4 *val);
void (*gs_shader_set_vec2)(gs_sparam_t *param, const struct vec2 *val);
void (*gs_shader_set_vec3)(gs_sparam_t *param, const struct vec3 *val);
void (*gs_shader_set_vec4)(gs_sparam_t *param, const struct vec4 *val);
void (*gs_shader_set_texture)(gs_sparam_t *param, gs_texture_t *val);
void (*gs_shader_set_val)(gs_sparam_t *param, const void *val,
size_t size);
void (*gs_shader_set_default)(gs_sparam_t *param);
void (*gs_shader_set_next_sampler)(gs_sparam_t *param,
gs_samplerstate_t *sampler);
bool (*device_nv12_available)(gs_device_t *device);
bool (*device_p010_available)(gs_device_t *device);
bool (*device_is_monitor_hdr)(gs_device_t *device, void *monitor);
void (*device_debug_marker_begin)(gs_device_t *device,
const char *markername,
const float color[4]);
void (*device_debug_marker_end)(gs_device_t *device);
#ifdef __APPLE__
/* OSX/Cocoa specific functions */
gs_texture_t *(*device_texture_create_from_iosurface)(gs_device_t *dev,
void *iosurf);
gs_texture_t *(*device_texture_open_shared)(gs_device_t *dev,
uint32_t handle);
bool (*gs_texture_rebind_iosurface)(gs_texture_t *texture,
void *iosurf);
bool (*device_shared_texture_available)(void);
#elif _WIN32
bool (*device_gdi_texture_available)(void);
bool (*device_shared_texture_available)(void);
bool (*device_get_duplicator_monitor_info)(
gs_device_t *device, int monitor_idx,
struct gs_monitor_info *monitor_info);
int (*device_duplicator_get_monitor_index)(gs_device_t *device,
void *monitor);
gs_duplicator_t *(*device_duplicator_create)(gs_device_t *device,
int monitor_idx);
void (*gs_duplicator_destroy)(gs_duplicator_t *duplicator);
bool (*gs_duplicator_update_frame)(gs_duplicator_t *duplicator);
gs_texture_t *(*gs_duplicator_get_texture)(gs_duplicator_t *duplicator);
enum gs_color_space (*gs_duplicator_get_color_space)(
gs_duplicator_t *duplicator);
float (*gs_duplicator_get_sdr_white_level)(gs_duplicator_t *duplicator);
uint32_t (*gs_get_adapter_count)(void);
bool (*device_can_adapter_fast_clear)(gs_device_t *device);
gs_texture_t *(*device_texture_create_gdi)(gs_device_t *device,
uint32_t width,
uint32_t height);
void *(*gs_texture_get_dc)(gs_texture_t *gdi_tex);
void (*gs_texture_release_dc)(gs_texture_t *gdi_tex);
gs_texture_t *(*device_texture_open_shared)(gs_device_t *device,
uint32_t handle);
gs_texture_t *(*device_texture_open_nt_shared)(gs_device_t *device,
uint32_t handle);
uint32_t (*device_texture_get_shared_handle)(gs_texture_t *tex);
gs_texture_t *(*device_texture_wrap_obj)(gs_device_t *device,
void *obj);
int (*device_texture_acquire_sync)(gs_texture_t *tex, uint64_t key,
uint32_t ms);
int (*device_texture_release_sync)(gs_texture_t *tex, uint64_t key);
bool (*device_texture_create_nv12)(gs_device_t *device,
gs_texture_t **tex_y,
gs_texture_t **tex_uv,
uint32_t width, uint32_t height,
uint32_t flags);
bool (*device_texture_create_p010)(gs_device_t *device,
gs_texture_t **tex_y,
gs_texture_t **tex_uv,
uint32_t width, uint32_t height,
uint32_t flags);
gs_stagesurf_t *(*device_stagesurface_create_nv12)(gs_device_t *device,
uint32_t width,
uint32_t height);
gs_stagesurf_t *(*device_stagesurface_create_p010)(gs_device_t *device,
uint32_t width,
uint32_t height);
void (*device_register_loss_callbacks)(
gs_device_t *device, const struct gs_device_loss *callbacks);
void (*device_unregister_loss_callbacks)(gs_device_t *device,
void *data);
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
struct gs_texture *(*device_texture_create_from_dmabuf)(
gs_device_t *device, unsigned int width, unsigned int height,
uint32_t drm_format, enum gs_color_format color_format,
uint32_t n_planes, const int *fds, const uint32_t *strides,
const uint32_t *offsets, const uint64_t *modifiers);
bool (*device_query_dmabuf_capabilities)(
gs_device_t *device, enum gs_dmabuf_flags *dmabuf_flags,
uint32_t **drm_formats, size_t *n_formats);
bool (*device_query_dmabuf_modifiers_for_format)(gs_device_t *device,
uint32_t drm_format,
uint64_t **modifiers,
size_t *n_modifiers);
struct gs_texture *(*device_texture_create_from_pixmap)(
gs_device_t *device, uint32_t width, uint32_t height,
enum gs_color_format color_format, uint32_t target,
void *pixmap);
#endif
};
struct blend_state {
bool enabled;
enum gs_blend_type src_c;
enum gs_blend_type dest_c;
enum gs_blend_type src_a;
enum gs_blend_type dest_a;
enum gs_blend_op_type op;
};
struct graphics_subsystem {
void *module;
gs_device_t *device;
struct gs_exports exports;
DARRAY(struct gs_rect) viewport_stack;
DARRAY(struct matrix4) matrix_stack;
size_t cur_matrix;
struct matrix4 projection;
struct gs_effect *cur_effect;
gs_vertbuffer_t *sprite_buffer;
bool using_immediate;
struct gs_vb_data *vbd;
gs_vertbuffer_t *immediate_vertbuffer;
DARRAY(struct vec3) verts;
DARRAY(struct vec3) norms;
DARRAY(uint32_t) colors;
DARRAY(struct vec2) texverts[16];
pthread_mutex_t effect_mutex;
struct gs_effect *first_effect;
pthread_mutex_t mutex;
volatile long ref;
struct blend_state cur_blend_state;
DARRAY(struct blend_state) blend_state_stack;
bool linear_srgb;
};