Blender: OpenGLDisplayDriver Class Reference

Blender V4.3

#include <display_driver.h>

Inherits DisplayDriver.

Public Member Functions
	OpenGLDisplayDriver (const function< bool()> &gl_context_enable, const function< void()> &gl_context_disable)

	~OpenGLDisplayDriver ()

virtual void	graphics_interop_activate () override

virtual void	graphics_interop_deactivate () override

virtual void	clear () override

void	set_zoom (float zoom_x, float zoom_y)

Public Member Functions inherited from DisplayDriver
	DisplayDriver ()=default

virtual	~DisplayDriver ()=default

virtual void	flush ()

Protected Member Functions
virtual void	next_tile_begin () override

virtual bool	update_begin (const Params &params, int texture_width, int texture_height) override

virtual void	update_end () override

virtual half4 *	map_texture_buffer () override

virtual void	unmap_texture_buffer () override

virtual GraphicsInterop	graphics_interop_get () override

virtual void	draw (const Params &params) override

bool	gl_texture_resources_ensure ()

bool	gl_draw_resources_ensure ()

void	gl_resources_destroy ()

void	texture_update_if_needed ()

void	vertex_buffer_update (const Params &params)

Protected Attributes
struct {

bool creation_attempted = false

bool is_created = false

uint gl_id = 0

uint gl_pbo_id = 0

bool need_update = false

std::atomic< bool > need_clear = true

int width = 0

int height = 0

int buffer_width = 0

int buffer_height = 0

}	texture_

OpenGLShader	display_shader_

bool	gl_draw_resource_creation_attempted_ = false

bool	gl_draw_resources_created_ = false

uint	vertex_buffer_ = 0

void *	gl_render_sync_ = nullptr

void *	gl_upload_sync_ = nullptr

float2	zoom_ = make_float2(1.0f, 1.0f)

function< bool()>	gl_context_enable_ = nullptr

function< void()>	gl_context_disable_ = nullptr

Detailed Description

Definition at line 18 of file app/opengl/display_driver.h.

Constructor & Destructor Documentation

◆ OpenGLDisplayDriver()

CCL_NAMESPACE_BEGIN OpenGLDisplayDriver::OpenGLDisplayDriver	(	const function< bool()> &	gl_context_enable,
		const function< void()> &	gl_context_disable )

Definition at line 20 of file app/opengl/display_driver.cpp.

◆ ~OpenGLDisplayDriver()

OpenGLDisplayDriver::~OpenGLDisplayDriver ( )

Definition at line 26 of file app/opengl/display_driver.cpp.

Member Function Documentation

◆ clear()

void OpenGLDisplayDriver::clear ( )

overridevirtual

Implements DisplayDriver.

Definition at line 174 of file app/opengl/display_driver.cpp.

References texture_.

◆ draw()

void OpenGLDisplayDriver::draw ( const Params & params )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 179 of file app/opengl/display_driver.cpp.

References OpenGLShader::bind(), display_shader_, OpenGLShader::get_position_attrib_location(), OpenGLShader::get_tex_coord_attrib_location(), gl_draw_resources_ensure(), gl_render_sync_, gl_upload_sync_, params, texture_, texture_update_if_needed(), OpenGLShader::unbind(), vertex_buffer_, and vertex_buffer_update().

◆ gl_draw_resources_ensure()

bool OpenGLDisplayDriver::gl_draw_resources_ensure ( )

protected

Definition at line 251 of file app/opengl/display_driver.cpp.

References gl_draw_resource_creation_attempted_, gl_draw_resources_created_, LOG, texture_, and vertex_buffer_.

Referenced by draw().

◆ gl_resources_destroy()

void OpenGLDisplayDriver::gl_resources_destroy ( )

protected

Definition at line 278 of file app/opengl/display_driver.cpp.

References gl_context_disable_, gl_context_enable_, texture_, and vertex_buffer_.

◆ gl_texture_resources_ensure()

bool OpenGLDisplayDriver::gl_texture_resources_ensure ( )

protected

Definition at line 299 of file app/opengl/display_driver.cpp.

References DCHECK, LOG, and texture_.

Referenced by update_begin().

◆ graphics_interop_activate()

void OpenGLDisplayDriver::graphics_interop_activate ( )

overridevirtual

Reimplemented from DisplayDriver.

Definition at line 160 of file app/opengl/display_driver.cpp.

References gl_context_enable_.

◆ graphics_interop_deactivate()

void OpenGLDisplayDriver::graphics_interop_deactivate ( )

overridevirtual

Reimplemented from DisplayDriver.

Definition at line 165 of file app/opengl/display_driver.cpp.

References gl_context_disable_.

◆ graphics_interop_get()

OpenGLDisplayDriver::GraphicsInterop OpenGLDisplayDriver::graphics_interop_get ( )

overrideprotectedvirtual

Reimplemented from DisplayDriver.

Definition at line 146 of file app/opengl/display_driver.cpp.

References DisplayDriver::GraphicsInterop::buffer_height, DisplayDriver::GraphicsInterop::buffer_width, DisplayDriver::GraphicsInterop::need_clear, DisplayDriver::GraphicsInterop::opengl_pbo_id, and texture_.

◆ map_texture_buffer()

half4 * OpenGLDisplayDriver::map_texture_buffer ( )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 113 of file app/opengl/display_driver.cpp.

References LOG, and texture_.

◆ next_tile_begin()

void OpenGLDisplayDriver::next_tile_begin ( )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 32 of file app/opengl/display_driver.cpp.

◆ set_zoom()

void OpenGLDisplayDriver::set_zoom	(	float	zoom_x,
		float	zoom_y )

◆ texture_update_if_needed()

void OpenGLDisplayDriver::texture_update_if_needed ( )

protected

Definition at line 336 of file app/opengl/display_driver.cpp.

References texture_.

Referenced by draw().

◆ unmap_texture_buffer()

void OpenGLDisplayDriver::unmap_texture_buffer ( )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 135 of file app/opengl/display_driver.cpp.

◆ update_begin()

bool OpenGLDisplayDriver::update_begin	(	const Params &	params,
		int	texture_width,
		int	texture_height )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 37 of file app/opengl/display_driver.cpp.

References buffer_height, buffer_width, gl_context_disable_, gl_context_enable_, gl_render_sync_, gl_texture_resources_ensure(), params, and texture_.

◆ update_end()

void OpenGLDisplayDriver::update_end ( )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 101 of file app/opengl/display_driver.cpp.

References gl_context_disable_, and gl_upload_sync_.

◆ vertex_buffer_update()

void OpenGLDisplayDriver::vertex_buffer_update ( const Params & params )

protected

Definition at line 350 of file app/opengl/display_driver.cpp.

References float, NULL, and params.

Referenced by draw().

Member Data Documentation

◆ buffer_height

int OpenGLDisplayDriver::buffer_height = 0

Definition at line 95 of file app/opengl/display_driver.h.

Referenced by update_begin().

◆ buffer_width

int OpenGLDisplayDriver::buffer_width = 0

Definition at line 94 of file app/opengl/display_driver.h.

Referenced by update_begin().

◆ creation_attempted

bool OpenGLDisplayDriver::creation_attempted = false

Definition at line 72 of file app/opengl/display_driver.h.

◆ display_shader_

OpenGLShader OpenGLDisplayDriver::display_shader_

protected

Definition at line 98 of file app/opengl/display_driver.h.

Referenced by draw().

◆ gl_context_disable_

function<void()> OpenGLDisplayDriver::gl_context_disable_ = nullptr

protected

Definition at line 115 of file app/opengl/display_driver.h.

Referenced by gl_resources_destroy(), graphics_interop_deactivate(), update_begin(), and update_end().

◆ gl_context_enable_

function<bool()> OpenGLDisplayDriver::gl_context_enable_ = nullptr

protected

Definition at line 114 of file app/opengl/display_driver.h.

Referenced by gl_resources_destroy(), graphics_interop_activate(), and update_begin().

◆ gl_draw_resource_creation_attempted_

bool OpenGLDisplayDriver::gl_draw_resource_creation_attempted_ = false

protected

Definition at line 102 of file app/opengl/display_driver.h.

Referenced by gl_draw_resources_ensure().

◆ gl_draw_resources_created_

bool OpenGLDisplayDriver::gl_draw_resources_created_ = false

protected

Definition at line 103 of file app/opengl/display_driver.h.

Referenced by gl_draw_resources_ensure().

◆ gl_id

uint OpenGLDisplayDriver::gl_id = 0

Definition at line 79 of file app/opengl/display_driver.h.

◆ gl_pbo_id

uint OpenGLDisplayDriver::gl_pbo_id = 0

Definition at line 80 of file app/opengl/display_driver.h.

◆ gl_render_sync_

void* OpenGLDisplayDriver::gl_render_sync_ = nullptr

protected

Definition at line 109 of file app/opengl/display_driver.h.

Referenced by draw(), and update_begin().

◆ gl_upload_sync_

void* OpenGLDisplayDriver::gl_upload_sync_ = nullptr

protected

Definition at line 110 of file app/opengl/display_driver.h.

Referenced by draw(), and update_end().

◆ height

int OpenGLDisplayDriver::height = 0

Definition at line 91 of file app/opengl/display_driver.h.

◆ is_created

bool OpenGLDisplayDriver::is_created = false

Definition at line 73 of file app/opengl/display_driver.h.

◆ need_clear

std::atomic<bool> OpenGLDisplayDriver::need_clear = true

Definition at line 87 of file app/opengl/display_driver.h.

◆ need_update

bool OpenGLDisplayDriver::need_update = false

Definition at line 84 of file app/opengl/display_driver.h.

◆ [struct]

struct { ... } OpenGLDisplayDriver::texture_

Referenced by clear(), draw(), gl_draw_resources_ensure(), gl_resources_destroy(), gl_texture_resources_ensure(), graphics_interop_get(), map_texture_buffer(), texture_update_if_needed(), and update_begin().

◆ vertex_buffer_

uint OpenGLDisplayDriver::vertex_buffer_ = 0

protected

Definition at line 107 of file app/opengl/display_driver.h.

Referenced by draw(), gl_draw_resources_ensure(), and gl_resources_destroy().

◆ width

int OpenGLDisplayDriver::width = 0

Definition at line 90 of file app/opengl/display_driver.h.

◆ zoom_

float2 OpenGLDisplayDriver::zoom_ = make_float2(1.0f, 1.0f)

protected

Definition at line 112 of file app/opengl/display_driver.h.

The documentation for this class was generated from the following files: