Blender: gpu_context.cc File Reference

Blender V2.93

#include "BLI_assert.h"
#include "BLI_utildefines.h"
#include "GPU_context.h"
#include "GPU_framebuffer.h"
#include "GHOST_C-api.h"
#include "gpu_backend.hh"
#include "gpu_batch_private.hh"
#include "gpu_context_private.hh"
#include "gpu_matrix_private.h"
#include "gl_backend.hh"
#include "gl_context.hh"
#include <mutex>
#include <vector>

Go to the source code of this file.

Namespaces
	blender

	blender::gpu

Macros
#define	WITH_OPENGL_BACKEND 1

Functions
GPUContext *	GPU_context_create (void *ghost_window)

void	GPU_context_discard (GPUContext *ctx_)

void	GPU_context_active_set (GPUContext *ctx_)

GPUContext *	GPU_context_active_get (void)

Variables
static thread_local Context *	active_ctx = nullptr

Main context global mutex
Used to avoid crash on some old drivers.
static std::mutex	main_context_mutex

void	GPU_context_main_lock (void)

void	GPU_context_main_unlock (void)

Backend selection
static GPUBackend *	g_backend

void	GPU_backend_init (eGPUBackendType backend_type)

void	GPU_backend_exit (void)

Detailed Description

Manage GL vertex array IDs in a thread-safe way Use these instead of glGenBuffers & its friends

alloc must be called from a thread that is bound to the context that will be used for drawing with this vao.
free can be called from any thread

Definition in file gpu_context.cc.

Macro Definition Documentation

◆ WITH_OPENGL_BACKEND

#define WITH_OPENGL_BACKEND 1

Definition at line 32 of file gpu_context.cc.

Function Documentation

◆ GPU_backend_exit()

void GPU_backend_exit ( void )

Definition at line 183 of file gpu_context.cc.

References g_backend.

Referenced by blender::gpu::GPUTest::TearDown(), and WM_exit_ex().

◆ GPU_backend_init()

void GPU_backend_init ( eGPUBackendType backend_type )

Definition at line 167 of file gpu_context.cc.

References BLI_assert, g_backend, and GPU_BACKEND_OPENGL.

Referenced by GPU_context_create().

◆ GPU_context_active_get()

GPUContext* GPU_context_active_get ( void )

Definition at line 136 of file gpu_context.cc.

References blender::gpu::wrap().

Referenced by pygpu_framebuffer__tp_new(), pygpu_offscreen__tp_new(), pygpu_texture__tp_new(), and pygpu_uniformbuffer__tp_new().

◆ GPU_context_active_set()

void GPU_context_active_set ( GPUContext * ctx_ )

Definition at line 121 of file gpu_context.cc.

References blender::gpu::Context::activate(), active_ctx, blender::gpu::Context::deactivate(), and blender::gpu::unwrap().

Referenced by drw_deferred_shader_add(), drw_deferred_shader_compilation_exec(), drw_deferred_shader_compilation_free(), DRW_gpu_render_context_disable(), DRW_gpu_render_context_enable(), DRW_opengl_context_destroy(), DRW_opengl_context_disable_ex(), DRW_opengl_context_enable_ex(), extrawindow_do_draw(), extrawindow_do_reshape(), GPU_context_create(), loggerwindow_do_draw(), loggerwindow_do_reshape(), mainwindow_do_draw(), mainwindow_do_reshape(), RE_gl_context_destroy(), wm_ghostwindow_destroy(), wm_main_playanim_intern(), wm_surface_clear_drawable(), wm_surface_set_drawable(), WM_window_pixel_sample_read(), WM_window_pixels_read(), and wm_window_set_drawable().

◆ GPU_context_create()

GPUContext* GPU_context_create ( void * ghost_window )

Definition at line 99 of file gpu_context.cc.

References GPU_backend_init(), GPU_BACKEND_OPENGL, GPU_context_active_set(), and blender::gpu::wrap().

Referenced by drw_deferred_shader_add(), DRW_opengl_context_create(), eevee_lightbake_context_enable(), extrawindow_new(), loggerwindow_new(), mainwindow_new(), RE_gpu_context_get(), blender::gpu::GPUTest::SetUp(), wm_main_playanim_intern(), and wm_window_ghostwindow_add().

◆ GPU_context_discard()

void GPU_context_discard ( GPUContext * ctx_ )

Definition at line 113 of file gpu_context.cc.

References active_ctx, and blender::gpu::unwrap().

Referenced by drw_deferred_shader_compilation_free(), DRW_opengl_context_destroy(), eevee_lightbake_delete_resources(), RE_gl_context_destroy(), blender::gpu::GPUTest::TearDown(), wm_ghostwindow_destroy(), and wm_main_playanim_intern().

◆ GPU_context_main_lock()

void GPU_context_main_lock ( void )

Definition at line 149 of file gpu_context.cc.

References main_context_mutex.

Referenced by drw_deferred_shader_compilation_exec(), DRW_render_context_enable(), eevee_lightbake_context_enable(), and wm_draw_update().

◆ GPU_context_main_unlock()

void GPU_context_main_unlock ( void )

Definition at line 154 of file gpu_context.cc.

References main_context_mutex.

Referenced by drw_deferred_shader_compilation_exec(), DRW_render_context_disable(), eevee_lightbake_context_disable(), and wm_draw_update().

Variable Documentation

◆ active_ctx

thread_local Context* active_ctx = nullptr

static

Definition at line 57 of file gpu_context.cc.

Referenced by blender::gpu::Context::get(), GPU_context_active_set(), GPU_context_discard(), and blender::gpu::Context::is_active_on_thread().

◆ g_backend

GPUBackend* g_backend

static

Definition at line 165 of file gpu_context.cc.

Referenced by blender::gpu::GPUBackend::get(), GPU_backend_exit(), and GPU_backend_init().

◆ main_context_mutex

std::mutex main_context_mutex

static

Definition at line 147 of file gpu_context.cc.

Referenced by GPU_context_main_lock(), and GPU_context_main_unlock().