Blender: OpenGLDisplayDriver Class Reference

Blender V4.5

#include <display_driver.h>

Inherits DisplayDriver.

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

	~OpenGLDisplayDriver () override

void	graphics_interop_activate () override

void	graphics_interop_deactivate () override

void	clear () override

void	set_zoom (const float zoom_x, const float zoom_y)

Public Member Functions inherited from DisplayDriver
	DisplayDriver ()=default

virtual	~DisplayDriver ()=default

virtual void	flush ()

GraphicsInteropBuffer &	graphics_interop_get_buffer ()

virtual void	zero ()=0

Protected Member Functions
void	next_tile_begin () override

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

void	update_end () override

half4 *	map_texture_buffer () override

void	unmap_texture_buffer () override

GraphicsInteropDevice	graphics_interop_get_device () override

void	graphics_interop_update_buffer () override

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_zero = 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)

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

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

Additional Inherited Members
Public Attributes inherited from DisplayDriver
GraphicsInteropBuffer	graphics_interop_buffer_

Detailed Description

Definition at line 16 of file app/opengl/display_driver.h.

Constructor & Destructor Documentation

◆ OpenGLDisplayDriver()

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

Definition at line 19 of file app/opengl/display_driver.cpp.

◆ ~OpenGLDisplayDriver()

OpenGLDisplayDriver::~OpenGLDisplayDriver ( )

overridedefault

Member Function Documentation

◆ clear()

void OpenGLDisplayDriver::clear ( )

override

Definition at line 191 of file app/opengl/display_driver.cpp.

References texture_.

◆ draw()

void OpenGLDisplayDriver::draw ( const Params & params )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 196 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 268 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 295 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 316 of file app/opengl/display_driver.cpp.

References GraphicsInteropBuffer::clear(), DCHECK, DisplayDriver::graphics_interop_buffer_, LOG, and texture_.

Referenced by update_begin().

◆ graphics_interop_activate()

void OpenGLDisplayDriver::graphics_interop_activate ( )

overridevirtual

Reimplemented from DisplayDriver.

Definition at line 177 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 182 of file app/opengl/display_driver.cpp.

References gl_context_disable_.

◆ graphics_interop_get_device()

GraphicsInteropDevice OpenGLDisplayDriver::graphics_interop_get_device ( )

overrideprotectedvirtual

Reimplemented from DisplayDriver.

Definition at line 155 of file app/opengl/display_driver.cpp.

References GraphicsInteropDevice::OPENGL, and GraphicsInteropDevice::type.

◆ graphics_interop_update_buffer()

void OpenGLDisplayDriver::graphics_interop_update_buffer ( )

overrideprotectedvirtual

Reimplemented from DisplayDriver.

Definition at line 162 of file app/opengl/display_driver.cpp.

References GraphicsInteropBuffer::assign(), DisplayDriver::graphics_interop_buffer_, GraphicsInteropBuffer::is_empty(), GraphicsInteropDevice::OPENGL, texture_, and GraphicsInteropBuffer::zero().

◆ map_texture_buffer()

half4 * OpenGLDisplayDriver::map_texture_buffer ( )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 122 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 31 of file app/opengl/display_driver.cpp.

◆ set_zoom()

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

◆ texture_update_if_needed()

void OpenGLDisplayDriver::texture_update_if_needed ( )

protected

Definition at line 354 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 144 of file app/opengl/display_driver.cpp.

◆ update_begin()

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

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 36 of file app/opengl/display_driver.cpp.

References buffer_height, buffer_width, GraphicsInteropBuffer::clear(), gl_context_disable_, gl_context_enable_, gl_render_sync_, gl_texture_resources_ensure(), DisplayDriver::graphics_interop_buffer_, params, and texture_.

◆ update_end()

void OpenGLDisplayDriver::update_end ( )

overrideprotectedvirtual

Implements DisplayDriver.

Definition at line 110 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 368 of file app/opengl/display_driver.cpp.

References params.

Referenced by draw().

Member Data Documentation

◆ buffer_height

int OpenGLDisplayDriver::buffer_height = 0

Definition at line 96 of file app/opengl/display_driver.h.

Referenced by update_begin().

◆ buffer_width

int OpenGLDisplayDriver::buffer_width = 0

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

Referenced by update_begin().

◆ creation_attempted

bool OpenGLDisplayDriver::creation_attempted = false

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

◆ display_shader_

OpenGLShader OpenGLDisplayDriver::display_shader_

protected

Definition at line 99 of file app/opengl/display_driver.h.

Referenced by draw().

◆ gl_context_disable_

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

protected

Definition at line 116 of file app/opengl/display_driver.h.

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

◆ gl_context_enable_

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

protected

Definition at line 115 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 103 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 104 of file app/opengl/display_driver.h.

Referenced by gl_draw_resources_ensure().

◆ gl_id

uint OpenGLDisplayDriver::gl_id = 0

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

◆ gl_pbo_id

uint OpenGLDisplayDriver::gl_pbo_id = 0

Definition at line 81 of file app/opengl/display_driver.h.

◆ gl_render_sync_

void* OpenGLDisplayDriver::gl_render_sync_ = nullptr

protected

Definition at line 110 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 111 of file app/opengl/display_driver.h.

Referenced by draw(), and update_end().

◆ height

int OpenGLDisplayDriver::height = 0

Definition at line 92 of file app/opengl/display_driver.h.

◆ is_created

bool OpenGLDisplayDriver::is_created = false

Definition at line 74 of file app/opengl/display_driver.h.

◆ need_update

bool OpenGLDisplayDriver::need_update = false

Definition at line 85 of file app/opengl/display_driver.h.

◆ need_zero

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

Definition at line 88 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_update_buffer(), map_texture_buffer(), texture_update_if_needed(), and update_begin().

◆ vertex_buffer_

uint OpenGLDisplayDriver::vertex_buffer_ = 0

protected

Definition at line 108 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 91 of file app/opengl/display_driver.h.

◆ zoom_

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

protected

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

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