The main class of the OpenGL-based renderer. More...

#include <renderbackendopengl.h>

Inheritance diagram for FIFE::RenderBackendOpenGL:

Collaboration diagram for FIFE::RenderBackendOpenGL:

Classes
struct	currentState

struct	renderData2TC

struct	renderData2TCZ

struct	renderDataColorZ

struct	renderDataP

struct	renderDataT

struct	renderDataTC

struct	renderDataZ

class	RenderObject

struct	RenderZObject

struct	RenderZObjectTest

Public Member Functions
	RenderBackendOpenGL (const SDL_Color &colorkey)

virtual	~RenderBackendOpenGL ()

virtual const std::string &	getName () const
	The name of the renderbackend. More...

virtual void	startFrame ()
	Called when a new frame starts. More...

virtual void	endFrame ()
	Called when a frame is finished and ready to be displayed. More...

virtual void	init (const std::string &driver)
	Initializes the backend. More...

virtual void	clearBackBuffer ()
	Forces a clear of the backbuffer. More...

virtual void	setLightingModel (uint32_t lighting)
	Initializes the light. More...

virtual uint32_t	getLightingModel () const
	Gets the current light model. More...

virtual void	setLighting (float red, float green, float blue)
	Set colors for lighting. More...

virtual void	resetLighting ()
	Reset lighting with default values. More...

virtual void	resetStencilBuffer (uint8_t buffer)
	Reset stencil buffer with given value. More...

virtual void	changeBlending (int32_t scr, int32_t dst)
	Change the Blendingmodel. More...

virtual void	createMainScreen (const ScreenMode &mode, const std::string &title, const std::string &icon)
	Creates the mainscreen (the display window). More...

virtual void	setScreenMode (const ScreenMode &mode)
	Sets the mainscreen display mode. More...

virtual Image *	createImage (IResourceLoader *loader=0)

virtual Image *	createImage (const std::string &name, IResourceLoader *loader=0)

virtual Image *	createImage (const uint8_t *data, uint32_t width, uint32_t height)
	Creates an Image suitable for this renderbackend. More...

virtual Image *	createImage (const std::string &name, const uint8_t *data, uint32_t width, uint32_t height)

virtual Image *	createImage (SDL_Surface *surface)
	Helper function to create images from SDL_Surfaces. More...

virtual Image *	createImage (const std::string &name, SDL_Surface *surface)

virtual void	renderVertexArrays ()
	Render the Vertex Arrays, only for primitives (points, lines,...) More...

virtual void	addImageToArray (uint32_t id, const Rect &rec, float const st, uint8_t alpha, uint8_t const rgba)
	Add the Image data to the array. More...

virtual void	addImageToArray (const Rect &rect, uint32_t id1, float const st1, uint32_t id2, float const st2, uint8_t alpha, uint8_t const *rgba)

virtual void	addImageToArrayZ (uint32_t id, const Rect &rect, float vertexZ, float const st, uint8_t alpha, uint8_t const rgba)

virtual void	addImageToArrayZ (const Rect &rect, float vertexZ, uint32_t id1, float const st1, uint32_t id2, float const st2, uint8_t alpha, uint8_t const *rgba)

virtual void	changeRenderInfos (RenderDataType type, uint16_t elements, int32_t src, int32_t dst, bool light, bool stentest, uint8_t stenref, GLConstants stenop, GLConstants stenfunc, OverlayType otype=OVERLAY_TYPE_NONE)
	Dirty helper function to change the render infos. More...

virtual void	captureScreen (const std::string &filename)
	Creates a Screenshot and saves it to a file. More...

virtual void	captureScreen (const std::string &filename, uint32_t width, uint32_t height)
	Creates a Screenshot with the given size(w,h) and saves it to a file. More...

virtual bool	putPixel (int32_t x, int32_t y, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Writes pixel to given position. More...

virtual void	drawLine (const Point &p1, const Point &p2, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws line between given points with given RGBA. More...

virtual void	drawThickLine (const Point &p1, const Point &p2, uint8_t width, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws line between given points with given RGBA and width. More...

virtual void	drawPolyLine (const std::vector< Point > &points, uint8_t width, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws lines between given points with given RGBA and width. More...

virtual void	drawBezier (const std::vector< Point > &points, int32_t steps, uint8_t width, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws bezier curve between given points with given RGBA and width. More...

virtual void	drawTriangle (const Point &p1, const Point &p2, const Point &p3, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws triangle between given points with given RGBA. More...

virtual void	drawRectangle (const Point &p, uint16_t w, uint16_t h, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws an axis parallel rectangle. More...

virtual void	fillRectangle (const Point &p, uint16_t w, uint16_t h, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws a filled axis parallel rectangle. More...

virtual void	drawQuad (const Point &p1, const Point &p2, const Point &p3, const Point &p4, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws quad between given points with given RGBA. More...

virtual void	drawVertex (const Point &p, const uint8_t size, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws a quad that represents a vertex with given RGBA. More...

virtual void	drawCircle (const Point &p, uint32_t radius, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws a circle. More...

virtual void	drawFillCircle (const Point &p, uint32_t radius, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws a filled circle. More...

virtual void	drawCircleSegment (const Point &p, uint32_t radius, int32_t sangle, int32_t eangle, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws a circle segment. More...

virtual void	drawFillCircleSegment (const Point &p, uint32_t radius, int32_t sangle, int32_t eangle, uint8_t r, uint8_t g, uint8_t b, uint8_t a=255)
	Draws a filled circle segment. More...

virtual void	drawLightPrimitive (const Point &p, uint8_t intensity, float radius, int32_t subdivisions, float xstretch, float ystretch, uint8_t red, uint8_t green, uint8_t blue)
	Draws a light primitive that based on a triangle fan. More...

virtual void	enableScissorTest ()
	Enables scissor test on the render backend. More...

virtual void	disableScissorTest ()
	Disables scissor test on the render backend. More...

virtual void	attachRenderTarget (ImagePtr &img, bool discard)
	Attaches given image as a new render surface. More...

virtual void	detachRenderTarget ()
	Detaches current render surface. More...

virtual void	renderGuiGeometry (const std::vector< GuiVertex > &vertices, const std::vector< int > &indices, const DoublePoint &translation, ImagePtr texture)
	Renders geometry required by gui. More...

void	enableTextures (uint32_t texUnit)

void	disableTextures (uint32_t texUnit)

void	bindTexture (uint32_t texUnit, GLuint texId)

void	bindTexture (GLuint textId)

Public Member Functions inherited from FIFE::RenderBackend
	RenderBackend (const SDL_Color &colorkey)
	Constructor. More...

virtual	~RenderBackend ()
	Destructor. More...

void	deinit ()
	Performs cleanup actions. More...

SDL_Window *	getWindow ()

const ScreenMode &	getCurrentScreenMode () const
	Get current screen mode. More...

uint32_t	getWidth () const

uint32_t	getHeight () const

uint32_t	getScreenWidth () const

uint32_t	getScreenHeight () const

const Rect &	getArea () const

void	pushClipArea (const Rect &cliparea, bool clear=true)
	Pushes clip area to clip stack Clip areas define which area is drawn on screen. More...

void	popClipArea ()
	Pops clip area from clip stack. More...

const Rect &	getClipArea () const
	Gets the current clip area. More...

void	setAlphaOptimizerEnabled (bool enabled)
	Enable or disable the alpha 'optimizing' code. More...

bool	isAlphaOptimizerEnabled () const

void	setImageCompressingEnabled (bool enabled)
	Enables or disable compressing images by video driver. More...

bool	isImageCompressingEnabled () const

void	setFramebufferEnabled (bool enabled)
	Enables or disable the usage of the framebuffer, if available. More...

bool	isFramebufferEnabled () const

void	setNPOTEnabled (bool enabled)
	Enables or disable the usage of npot, if available. More...

bool	isNPOTEnabled () const

void	setTextureFiltering (TextureFiltering filter)
	Sets the texture filtering method. More...

TextureFiltering	getTextureFiltering () const

void	setMipmappingEnabled (bool enabled)
	Enables or disables the usage of mipmapping. More...

bool	isMipmappingEnabled () const

int32_t	getMaxAnisotropy () const
	Gets max antisotropy for antisotropic filtering. More...

void	setMonochromeEnabled (bool enabled)
	Enables or disables monochrome rendering. More...

bool	isMonochromeEnabled () const

void	setDepthBufferEnabled (bool enabled)
	Enables or disables depth buffer rendering. More...

bool	isDepthBufferEnabled () const

void	setAlphaTestValue (float alpha)
	Sets the value for alpha test. More...

float	getAlphaTestValue () const

void	setColorKeyEnabled (bool colorkeyenable)
	Sets whether to use the colorkey feature. More...

bool	isColorKeyEnabled () const
	Gets whether the colorkey feature is in use. More...

void	setColorKey (const SDL_Color &colorkey)
	Sets the global colorkey to use for images. More...

const SDL_Color &	getColorKey () const
	Gets the global colorkey setting. More...

void	setBackgroundColor (uint8_t r, uint8_t g, uint8_t b)
	Set the background color. More...

void	resetBackgroundColor ()
	Reset the background color to black. More...

const SDL_PixelFormat &	getPixelFormat () const
	Gets the current screen rgba format. More...

void	setVSyncEnabled (bool vsync)
	Sets whether to use VSync. More...

bool	isVSyncEnabled () const
	Gets whether VSync is in use. More...

void	setFrameLimitEnabled (bool limited)
	Sets whether to use the frame limiter. More...

bool	isFrameLimitEnabled () const
	Gets whether the frame limiter is in use. More...

void	setFrameLimit (uint16_t framelimit)
	Sets the frame limit. More...

uint16_t	getFrameLimit () const
	Gets the frame limit. More...

SDL_Surface *	getScreenSurface ()
	Returns screen render surface. More...

SDL_Surface *	getRenderTargetSurface ()
	Returns currently attached render surface. More...

Point	getBezierPoint (const std::vector< Point > &points, int32_t elements, float t)
	Helper that returns an interpolated Point. More...

void	addControlPoints (const std::vector< Point > &points, std::vector< Point > &newPoints)
	Helper that adds the control points for bezier curves. More...

Public Member Functions inherited from FIFE::DynamicSingleton< RenderBackend >
	DynamicSingleton ()

virtual	~DynamicSingleton ()

Protected Member Functions
virtual void	setClipArea (const Rect &cliparea, bool clear)
	Sets given clip area into image. More...

void	enableLighting ()

void	disableLighting ()

void	enableStencilTest ()

void	disableStencilTest ()

void	setStencilTest (uint8_t stencil_ref, GLenum stencil_op, GLenum stencil_func)

uint8_t	getStencilRef () const

void	enableAlphaTest ()

void	disableAlphaTest ()

void	setAlphaTest (float ref_alpha)

void	enableDepthTest ()

void	disableDepthTest ()

void	enableColorArray ()

void	disableColorArray ()

void	setEnvironmentalColor (uint32_t texUnit, const uint8_t *rgba)

void	setVertexPointer (GLint size, GLsizei stride, const GLvoid *ptr)

void	setColorPointer (GLsizei stride, const GLvoid *ptr)

void	setTexCoordPointer (uint32_t texUnit, GLsizei stride, const GLvoid *ptr)

void	prepareForOverlays ()

void	renderWithoutZ ()

void	renderWithZ ()

void	renderWithZTest ()

void	renderWithColorAndZ ()

void	renderWithMultitextureAndZ ()

RenderZObjectTest *	getRenderBufferObject (GLuint texture_id)

Protected Member Functions inherited from FIFE::RenderBackend
void	clearClipArea ()
	Clears any possible clip areas. More...

Protected Attributes
GLuint	m_maskOverlay

std::vector< renderDataZ >	m_renderZ_datas

std::vector< RenderZObjectTest >	m_renderZ_objects

std::vector< renderDataP >	m_renderPrimitiveDatas

std::vector< renderDataT >	m_renderTextureDatas

std::vector< renderDataTC >	m_renderTextureColorDatas

std::vector< renderData2TC >	m_renderMultitextureDatas

std::vector< RenderObject >	m_renderObjects

std::vector< uint32_t >	m_pIndices

std::vector< uint32_t >	m_tIndices

std::vector< uint32_t >	m_tcIndices

std::vector< uint32_t >	m_tc2Indices

std::vector< renderDataZ >	m_renderTextureDatasZ

std::vector< RenderZObject >	m_renderTextureObjectsZ

std::vector< renderDataColorZ >	m_renderTextureColorDatasZ

std::vector< RenderZObject >	m_renderTextureColorObjectsZ

std::vector< renderData2TCZ >	m_renderMultitextureDatasZ

std::vector< RenderObject >	m_renderMultitextureObjectsZ

std::vector< renderDataZ >	m_renderForcedDatasZ

std::vector< RenderObject >	m_renderForcedObjectsZ

struct FIFE::RenderBackendOpenGL::currentState	m_state

GLuint	m_fbo_id

GLuint	m_indicebufferId

std::vector< uint32_t >	m_indices
	static indices for vertex data with z More...

ImagePtr	m_img_target

bool	m_target_discard

SDL_GLContext	m_context

Protected Attributes inherited from FIFE::RenderBackend
SDL_Window *	m_window

SDL_Surface *	m_screen

SDL_Surface *	m_target

bool	m_compressimages

bool	m_useframebuffer

bool	m_usenpot

bool	m_isalphaoptimized

bool	m_iscolorkeyenabled

SDL_Color	m_colorkey

ScreenMode	m_screenMode

SDL_PixelFormat	m_rgba_format

bool	m_isbackgroundcolor

SDL_Color	m_backgroundcolor

bool	m_isMipmapping

TextureFiltering	m_textureFilter

int32_t	m_maxAnisotropy

bool	m_monochrome

bool	m_isDepthBuffer

float	m_alphaValue

bool	m_vSync

std::stack< ClipInfo >	m_clipstack

ClipInfo	m_guiClip

Additional Inherited Members
Static Public Member Functions inherited from FIFE::DynamicSingleton< RenderBackend >
static RenderBackend *	instance ()

Detailed Description

The main class of the OpenGL-based renderer.

See also: RenderBackend

Definition at line 43 of file renderbackendopengl.h.

Constructor & Destructor Documentation

◆ RenderBackendOpenGL()

FIFE::RenderBackendOpenGL::RenderBackendOpenGL ( const SDL_Color & colorkey )

Definition at line 78 of file renderbackendopengl.cpp.

◆ ~RenderBackendOpenGL()

FIFE::RenderBackendOpenGL::~RenderBackendOpenGL ( )

virtual

Definition at line 120 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::deinit(), m_context, m_fbo_id, m_maskOverlay, FIFE::RenderBackend::m_useframebuffer, and FIFE::RenderBackend::m_window.

Member Function Documentation

◆ addImageToArray() [1/2]

void FIFE::RenderBackendOpenGL::addImageToArray	(	uint32_t	id,
		const Rect &	rec,
		float const *	st,
		uint8_t	alpha,
		uint8_t const *	rgba
	)

virtual

Add the Image data to the array.

Implements FIFE::RenderBackend.

Definition at line 1946 of file renderbackendopengl.cpp.

Referenced by attachRenderTarget().

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◆ addImageToArray() [2/2]

void FIFE::RenderBackendOpenGL::addImageToArray	(	const Rect &	rect,
		uint32_t	id1,
		float const *	st1,
		uint32_t	id2,
		float const *	st2,
		uint8_t	alpha,
		uint8_t const *	rgba
	)

virtual

Definition at line 2059 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderData2TC::color, FIFE::RectType< T >::h, m_renderMultitextureDatas, m_renderObjects, m_tc2Indices, FIFE::RenderBackendOpenGL::RenderObject::overlay_type, FIFE::OVERLAY_TYPE_TEXTURES_AND_FACTOR, FIFE::RenderBackendOpenGL::RenderObject::rgba, FIFE::RenderBackendOpenGL::renderData2TC::texel, FIFE::RenderBackendOpenGL::renderData2TC::texel2, FIFE::RenderBackendOpenGL::renderData2TC::vertex, FIFE::RectType< T >::w, FIFE::RectType< T >::x, and FIFE::RectType< T >::y.

◆ addImageToArrayZ() [1/2]

void FIFE::RenderBackendOpenGL::addImageToArrayZ	(	uint32_t	id,
		const Rect &	rect,
		float	vertexZ,
		float const *	st,
		uint8_t	alpha,
		uint8_t const *	rgba
	)

virtual

Definition at line 2130 of file renderbackendopengl.cpp.

◆ addImageToArrayZ() [2/2]

void FIFE::RenderBackendOpenGL::addImageToArrayZ	(	const Rect &	rect,
		float	vertexZ,
		uint32_t	id1,
		float const *	st1,
		uint32_t	id2,
		float const *	st2,
		uint8_t	alpha,
		uint8_t const *	rgba
	)

virtual

Definition at line 2271 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderData2TCZ::color, FIFE::RectType< T >::h, m_renderMultitextureDatasZ, m_renderMultitextureObjectsZ, FIFE::RenderBackendOpenGL::RenderObject::overlay_type, FIFE::OVERLAY_TYPE_TEXTURES_AND_FACTOR, FIFE::RenderBackendOpenGL::RenderObject::rgba, FIFE::RenderBackendOpenGL::renderData2TCZ::texel, FIFE::RenderBackendOpenGL::renderData2TCZ::texel2, FIFE::RenderBackendOpenGL::renderData2TCZ::vertex, FIFE::RectType< T >::w, FIFE::RectType< T >::x, and FIFE::RectType< T >::y.

◆ attachRenderTarget()

void FIFE::RenderBackendOpenGL::attachRenderTarget	(	ImagePtr &	img,
		bool	discard
	)

virtual

Attaches given image as a new render surface.

Implements FIFE::RenderBackend.

Definition at line 2591 of file renderbackendopengl.cpp.

References addImageToArray(), bindTexture(), FIFE::Image::forceLoadInternal(), FIFE::SharedPtr< T >::get(), FIFE::Image::getArea(), FIFE::Image::getHeight(), FIFE::Image::getSurface(), FIFE::GLImage::getTexId(), FIFE::Image::getWidth(), FIFE::GLImage::isCompressed(), m_fbo_id, m_img_target, FIFE::RenderBackend::m_target, m_target_discard, FIFE::RenderBackend::m_useframebuffer, renderVertexArrays(), and FIFE::GLImage::setCompressed().

◆ bindTexture() [1/2]

void FIFE::RenderBackendOpenGL::bindTexture	(	uint32_t	texUnit,
		GLuint	texId
	)

Definition at line 492 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_client_tex, FIFE::RenderBackendOpenGL::currentState::active_tex, enableTextures(), m_state, and FIFE::RenderBackendOpenGL::currentState::texture.

Referenced by attachRenderTarget(), detachRenderTarget(), renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ bindTexture() [2/2]

void FIFE::RenderBackendOpenGL::bindTexture ( GLuint textId )

Definition at line 509 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_tex, m_state, and FIFE::RenderBackendOpenGL::currentState::texture.

◆ captureScreen() [1/2]

void FIFE::RenderBackendOpenGL::captureScreen ( const std::string & filename )

virtual

Creates a Screenshot and saves it to a file.

Implements FIFE::RenderBackend.

Definition at line 2432 of file renderbackendopengl.cpp.

References FIFE::BMASK, FIFE::RenderBackend::getHeight(), FIFE::RenderBackend::getWidth(), FIFE::GMASK, FIFE::NULLMASK, FIFE::RMASK, and FIFE::Image::saveAsPng().

Referenced by captureScreen().

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◆ captureScreen() [2/2]

void FIFE::RenderBackendOpenGL::captureScreen	(	const std::string &	filename,
		uint32_t	width,
		uint32_t	height
	)

virtual

Creates a Screenshot with the given size(w,h) and saves it to a file.

Implements FIFE::RenderBackend.

Definition at line 2466 of file renderbackendopengl.cpp.

References FIFE::AMASK, FIFE::BMASK, captureScreen(), FIFE::RenderBackend::getHeight(), FIFE::RenderBackend::getWidth(), FIFE::GMASK, FIFE::RMASK, and FIFE::Image::saveAsPng().

◆ changeBlending()

void FIFE::RenderBackendOpenGL::changeBlending	(	int32_t	scr,
		int32_t	dst
	)

virtual

Change the Blendingmodel.

Implements FIFE::RenderBackend.

Definition at line 701 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::blend_dst, FIFE::RenderBackendOpenGL::currentState::blend_src, and m_state.

Referenced by renderWithoutZ().

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◆ changeRenderInfos()

void FIFE::RenderBackendOpenGL::changeRenderInfos	(	RenderDataType	type,
		uint16_t	elements,
		int32_t	src,
		int32_t	dst,
		bool	light,
		bool	stentest,
		uint8_t	stenref,
		GLConstants	stenop,
		GLConstants	stenfunc,
		OverlayType	otype = `OVERLAY_TYPE_NONE`
	)

virtual

Dirty helper function to change the render infos.

Implements FIFE::RenderBackend.

Definition at line 738 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::RenderObject::dst, FIFE::RenderBackendOpenGL::RenderObject::light, m_renderMultitextureObjectsZ, m_renderObjects, FIFE::RenderBackendOpenGL::RenderObject::overlay_type, FIFE::RENDER_DATA_MULTITEXTURE_Z, FIFE::RENDER_DATA_TEXCOLOR_Z, FIFE::RENDER_DATA_TEXTURE_Z, FIFE::RENDER_DATA_WITHOUT_Z, FIFE::RenderBackendOpenGL::RenderObject::src, FIFE::RenderBackendOpenGL::RenderObject::stencil_func, FIFE::RenderBackendOpenGL::RenderObject::stencil_op, FIFE::RenderBackendOpenGL::RenderObject::stencil_ref, and FIFE::RenderBackendOpenGL::RenderObject::stencil_test.

◆ clearBackBuffer()

void FIFE::RenderBackendOpenGL::clearBackBuffer ( )

virtual

Forces a clear of the backbuffer.

Implements FIFE::RenderBackend.

Definition at line 161 of file renderbackendopengl.cpp.

References disableScissorTest(), and enableScissorTest().

◆ createImage() [1/6]

Image * FIFE::RenderBackendOpenGL::createImage ( IResourceLoader * loader = 0 )

virtual

Implements FIFE::RenderBackend.

Definition at line 355 of file renderbackendopengl.cpp.

◆ createImage() [2/6]

Image * FIFE::RenderBackendOpenGL::createImage	(	const std::string &	name,
		IResourceLoader *	loader = `0`
	)

virtual

Implements FIFE::RenderBackend.

Definition at line 359 of file renderbackendopengl.cpp.

◆ createImage() [3/6]

Image * FIFE::RenderBackendOpenGL::createImage	(	const uint8_t *	data,
		uint32_t	width,
		uint32_t	height
	)

virtual

Creates an Image suitable for this renderbackend.

Parameters

data	Pointer to the imagedata (needs to be in RGBA, 8 bits per channel).
width	Width of the image.
height	Height of the image.

Returns: The new Image.

Implements FIFE::RenderBackend.

Definition at line 431 of file renderbackendopengl.cpp.

◆ createImage() [4/6]

Image * FIFE::RenderBackendOpenGL::createImage	(	const std::string &	name,
		const uint8_t *	data,
		uint32_t	width,
		uint32_t	height
	)

virtual

Implements FIFE::RenderBackend.

Definition at line 435 of file renderbackendopengl.cpp.

◆ createImage() [5/6]

Image * FIFE::RenderBackendOpenGL::createImage ( SDL_Surface * surface )

virtual

Helper function to create images from SDL_Surfaces.

Takes ownership over the surface.

Parameters

surface The surface to convert.

Returns: The new Image.

Implements FIFE::RenderBackend.

Definition at line 363 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::m_rgba_format.

◆ createImage() [6/6]

Image * FIFE::RenderBackendOpenGL::createImage	(	const std::string &	name,
		SDL_Surface *	surface
	)

virtual

Implements FIFE::RenderBackend.

Definition at line 397 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::m_rgba_format.

◆ createMainScreen()

void FIFE::RenderBackendOpenGL::createMainScreen	(	const ScreenMode &	mode,
		const std::string &	title,
		const std::string &	icon
	)

virtual

Creates the mainscreen (the display window).

Parameters

mode	The ScreenMode to use.

See also: FIFE::ScreenMode.

Parameters

title	The window title to use.
icon	The window icon to use.

Implements FIFE::RenderBackend.

Definition at line 167 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::m_window, and setScreenMode().

◆ detachRenderTarget()

void FIFE::RenderBackendOpenGL::detachRenderTarget ( )

virtual

Detaches current render surface.

Implements FIFE::RenderBackend.

Definition at line 2650 of file renderbackendopengl.cpp.

References bindTexture(), FIFE::SharedPtr< T >::get(), FIFE::Image::getHeight(), FIFE::Image::getWidth(), m_img_target, FIFE::RenderBackend::m_screen, FIFE::RenderBackend::m_target, FIFE::RenderBackend::m_useframebuffer, and renderVertexArrays().

◆ disableAlphaTest()

void FIFE::RenderBackendOpenGL::disableAlphaTest ( )

protected

Definition at line 592 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::alpha_enabled, and m_state.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ disableColorArray()

void FIFE::RenderBackendOpenGL::disableColorArray ( )

protected

Definition at line 628 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::color_enabled, and m_state.

Referenced by renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ disableDepthTest()

void FIFE::RenderBackendOpenGL::disableDepthTest ( )

protected

Definition at line 614 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::depth_enabled, and m_state.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ disableLighting()

void FIFE::RenderBackendOpenGL::disableLighting ( )

protected

Definition at line 523 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::light_enabled, FIFE::RenderBackendOpenGL::currentState::lightmodel, and m_state.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), renderWithZTest(), and setLightingModel().

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◆ disableScissorTest()

void FIFE::RenderBackendOpenGL::disableScissorTest ( )

virtual

Disables scissor test on the render backend.

Implements FIFE::RenderBackend.

Definition at line 694 of file renderbackendopengl.cpp.

References m_state, and FIFE::RenderBackendOpenGL::currentState::scissor_test.

Referenced by clearBackBuffer(), and resetStencilBuffer().

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◆ disableStencilTest()

void FIFE::RenderBackendOpenGL::disableStencilTest ( )

protected

Definition at line 550 of file renderbackendopengl.cpp.

References m_state, and FIFE::RenderBackendOpenGL::currentState::sten_enabled.

Referenced by renderWithoutZ().

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◆ disableTextures()

void FIFE::RenderBackendOpenGL::disableTextures ( uint32_t texUnit )

Definition at line 475 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_client_tex, FIFE::RenderBackendOpenGL::currentState::active_tex, m_state, and FIFE::RenderBackendOpenGL::currentState::tex_enabled.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ drawBezier()

void FIFE::RenderBackendOpenGL::drawBezier	(	const std::vector< Point > &	points,
		int32_t	steps,
		uint8_t	width,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws bezier curve between given points with given RGBA and width.

Implements FIFE::RenderBackend.

Definition at line 1605 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, drawFillCircle(), drawThickLine(), FIFE::RenderBackend::getBezierPoint(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, utf8::next(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::drawBezier().

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◆ drawCircle()

void FIFE::RenderBackendOpenGL::drawCircle	(	const Point &	p,
		uint32_t	radius,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws a circle.

Implements FIFE::RenderBackend.

Definition at line 1784 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, FIFE::Math< T >::Cos(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::Math< T >::pi(), FIFE::Math< T >::Sin(), FIFE::Math< T >::twoPi(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::drawCircle().

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◆ drawCircleSegment()

void FIFE::RenderBackendOpenGL::drawCircleSegment	(	const Point &	p,
		uint32_t	radius,
		int32_t	sangle,
		int32_t	eangle,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws a circle segment.

Note: The start angle must be less than the end angle. 0 angle is right side.

Implements FIFE::RenderBackend.

Definition at line 1844 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, FIFE::Math< T >::Cos(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::Math< T >::Sin(), FIFE::Math< T >::twoPi(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::drawCircleSegment().

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◆ drawFillCircle()

void FIFE::RenderBackendOpenGL::drawFillCircle	(	const Point &	p,
		uint32_t	radius,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws a filled circle.

Implements FIFE::RenderBackend.

Definition at line 1810 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, FIFE::Math< T >::Cos(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::Math< T >::pi(), FIFE::Math< T >::Sin(), FIFE::Math< T >::twoPi(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by drawBezier(), FIFE::OpenGLGuiGraphics::drawFillCircle(), and drawPolyLine().

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◆ drawFillCircleSegment()

void FIFE::RenderBackendOpenGL::drawFillCircleSegment	(	const Point &	p,
		uint32_t	radius,
		int32_t	sangle,
		int32_t	eangle,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws a filled circle segment.

0 angle is right side. Note: The start angle must be less than the end angle.

Implements FIFE::RenderBackend.

Definition at line 1873 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, FIFE::Math< T >::Cos(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::Math< T >::Sin(), FIFE::Math< T >::twoPi(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::drawFillCircleSegment().

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◆ drawLightPrimitive()

void FIFE::RenderBackendOpenGL::drawLightPrimitive	(	const Point &	p,
		uint8_t	intensity,
		float	radius,
		int32_t	subdivisions,
		float	xstretch,
		float	ystretch,
		uint8_t	red,
		uint8_t	green,
		uint8_t	blue
	)

virtual

Draws a light primitive that based on a triangle fan.

Implements FIFE::RenderBackend.

Definition at line 1912 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, FIFE::Math< T >::Cos(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::Math< T >::Sin(), FIFE::Math< T >::twoPi(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

◆ drawLine()

void FIFE::RenderBackendOpenGL::drawLine	(	const Point &	p1,
		const Point &	p2,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws line between given points with given RGBA.

Implements FIFE::RenderBackend.

Definition at line 1513 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::drawLine().

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◆ drawPolyLine()

void FIFE::RenderBackendOpenGL::drawPolyLine	(	const std::vector< Point > &	points,
		uint8_t	width,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws lines between given points with given RGBA and width.

Implements FIFE::RenderBackend.

Definition at line 1574 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, drawFillCircle(), drawThickLine(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, and FIFE::RenderBackendOpenGL::renderDataP::vertex.

Referenced by FIFE::OpenGLGuiGraphics::drawPolyLine().

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◆ drawQuad()

void FIFE::RenderBackendOpenGL::drawQuad	(	const Point &	p1,
		const Point &	p2,
		const Point &	p3,
		const Point &	p4,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws quad between given points with given RGBA.

Implements FIFE::RenderBackend.

Definition at line 1727 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

◆ drawRectangle()

void FIFE::RenderBackendOpenGL::drawRectangle	(	const Point &	p,
		uint16_t	w,
		uint16_t	h,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws an axis parallel rectangle.

Implements FIFE::RenderBackend.

Definition at line 1673 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::drawRectangle().

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◆ drawThickLine()

void FIFE::RenderBackendOpenGL::drawThickLine	(	const Point &	p1,
		const Point &	p2,
		uint8_t	width,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws line between given points with given RGBA and width.

Implements FIFE::RenderBackend.

Definition at line 1534 of file renderbackendopengl.cpp.

References FIFE::Math< T >::ATan2(), FIFE::RenderBackendOpenGL::renderDataP::color, FIFE::Math< T >::Cos(), m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::Math< T >::pi(), FIFE::Math< T >::Sin(), FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by drawBezier(), FIFE::OpenGLGuiGraphics::drawLine(), and drawPolyLine().

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◆ drawTriangle()

void FIFE::RenderBackendOpenGL::drawTriangle	(	const Point &	p1,
		const Point &	p2,
		const Point &	p3,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws triangle between given points with given RGBA.

Implements FIFE::RenderBackend.

Definition at line 1647 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

◆ drawVertex()

void FIFE::RenderBackendOpenGL::drawVertex	(	const Point &	p,
		const uint8_t	size,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws a quad that represents a vertex with given RGBA.

Implements FIFE::RenderBackend.

Definition at line 1757 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

◆ enableAlphaTest()

void FIFE::RenderBackendOpenGL::enableAlphaTest ( )

protected

Definition at line 585 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::alpha_enabled, and m_state.

Referenced by renderWithMultitextureAndZ(), renderWithZ(), renderWithZTest(), and setAlphaTest().

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◆ enableColorArray()

void FIFE::RenderBackendOpenGL::enableColorArray ( )

protected

Definition at line 621 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::color_enabled, and m_state.

Referenced by renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ enableDepthTest()

void FIFE::RenderBackendOpenGL::enableDepthTest ( )

protected

Definition at line 607 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::depth_enabled, and m_state.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithZ(), and renderWithZTest().

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◆ enableLighting()

void FIFE::RenderBackendOpenGL::enableLighting ( )

protected

Definition at line 516 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::light_enabled, FIFE::RenderBackendOpenGL::currentState::lightmodel, and m_state.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), renderWithZTest(), and setLightingModel().

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◆ enableScissorTest()

void FIFE::RenderBackendOpenGL::enableScissorTest ( )

virtual

Enables scissor test on the render backend.

Implements FIFE::RenderBackend.

Definition at line 687 of file renderbackendopengl.cpp.

References m_state, and FIFE::RenderBackendOpenGL::currentState::scissor_test.

Referenced by clearBackBuffer(), and resetStencilBuffer().

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◆ enableStencilTest()

void FIFE::RenderBackendOpenGL::enableStencilTest ( )

protected

Definition at line 543 of file renderbackendopengl.cpp.

References m_state, and FIFE::RenderBackendOpenGL::currentState::sten_enabled.

Referenced by setStencilTest().

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◆ enableTextures()

void FIFE::RenderBackendOpenGL::enableTextures ( uint32_t texUnit )

Definition at line 458 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_client_tex, FIFE::RenderBackendOpenGL::currentState::active_tex, m_state, and FIFE::RenderBackendOpenGL::currentState::tex_enabled.

Referenced by bindTexture(), renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ endFrame()

void FIFE::RenderBackendOpenGL::endFrame ( )

virtual

Called when a frame is finished and ready to be displayed.

Reimplemented from FIFE::RenderBackend.

Definition at line 348 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::endFrame(), and FIFE::RenderBackend::m_window.

◆ fillRectangle()

void FIFE::RenderBackendOpenGL::fillRectangle	(	const Point &	p,
		uint16_t	w,
		uint16_t	h,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Draws a filled axis parallel rectangle.

Implements FIFE::RenderBackend.

Definition at line 1700 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackendOpenGL::renderDataP::vertex, FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

Referenced by FIFE::OpenGLGuiGraphics::fillRectangle().

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◆ getLightingModel()

uint32_t FIFE::RenderBackendOpenGL::getLightingModel ( ) const

virtual

Gets the current light model.

Implements FIFE::RenderBackend.

Definition at line 454 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::lightmodel, and m_state.

◆ getName()

const std::string & FIFE::RenderBackendOpenGL::getName ( ) const

virtual

The name of the renderbackend.

Returns: The name of this renderbackend.

Implements FIFE::RenderBackend.

Definition at line 130 of file renderbackendopengl.cpp.

◆ getRenderBufferObject()

RenderBackendOpenGL::RenderZObjectTest * FIFE::RenderBackendOpenGL::getRenderBufferObject ( GLuint texture_id )

protected

Definition at line 2106 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::RenderZObjectTest::elements, FIFE::RenderBackendOpenGL::RenderZObjectTest::index, m_renderZ_objects, FIFE::RenderBackendOpenGL::RenderZObjectTest::max_size, and FIFE::RenderBackendOpenGL::RenderZObjectTest::texture_id.

◆ getStencilRef()

uint8_t FIFE::RenderBackendOpenGL::getStencilRef ( ) const

protected

Definition at line 581 of file renderbackendopengl.cpp.

References m_state, and FIFE::RenderBackendOpenGL::currentState::sten_ref.

◆ init()

void FIFE::RenderBackendOpenGL::init ( const std::string & driver )

virtual

Initializes the backend.

Implements FIFE::RenderBackend.

Definition at line 135 of file renderbackendopengl.cpp.

◆ prepareForOverlays()

void FIFE::RenderBackendOpenGL::prepareForOverlays ( )

protected

Definition at line 2315 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_client_tex, FIFE::RenderBackendOpenGL::currentState::active_tex, m_maskOverlay, m_state, and FIFE::RenderBackendOpenGL::currentState::texture.

Referenced by setScreenMode().

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◆ putPixel()

bool FIFE::RenderBackendOpenGL::putPixel	(	int32_t	x,
		int32_t	y,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		uint8_t	a = `255`
	)

virtual

Writes pixel to given position.

Returns true, if pixel was written (not out of bounds)

Implements FIFE::RenderBackend.

Definition at line 1491 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::renderDataP::color, m_pIndices, m_renderObjects, m_renderPrimitiveDatas, FIFE::RenderBackend::m_target, and FIFE::RenderBackendOpenGL::renderDataP::vertex.

Referenced by FIFE::OpenGLGuiGraphics::drawLine(), and FIFE::OpenGLGuiGraphics::drawPoint().

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◆ renderGuiGeometry()

void FIFE::RenderBackendOpenGL::renderGuiGeometry	(	const std::vector< GuiVertex > &	vertices,
		const std::vector< int > &	indices,
		const DoublePoint &	translation,
		ImagePtr	texture
	)

virtual

Renders geometry required by gui.

Implements FIFE::RenderBackend.

Definition at line 2673 of file renderbackendopengl.cpp.

References FIFE::GLImage::forceLoadInternal(), FIFE::SharedPtr< T >::get(), FIFE::GLImage::getTexId(), FIFE::PointType2D< T >::x, and FIFE::PointType2D< T >::y.

◆ renderVertexArrays()

void FIFE::RenderBackendOpenGL::renderVertexArrays ( )

virtual

Render the Vertex Arrays, only for primitives (points, lines,...)

Implements FIFE::RenderBackend.

Definition at line 1470 of file renderbackendopengl.cpp.

References m_renderMultitextureObjectsZ, m_renderObjects, m_renderTextureColorObjectsZ, m_renderTextureObjectsZ, m_renderZ_objects, renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

Referenced by FIFE::OpenGLGuiGraphics::_endDraw(), attachRenderTarget(), detachRenderTarget(), FIFE::OpenGLGuiGraphics::popClipArea(), and FIFE::OpenGLGuiGraphics::pushClipArea().

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◆ renderWithColorAndZ()

void FIFE::RenderBackendOpenGL::renderWithColorAndZ ( )

protected

Definition at line 1265 of file renderbackendopengl.cpp.

References bindTexture(), disableAlphaTest(), disableDepthTest(), disableLighting(), disableTextures(), enableDepthTest(), enableLighting(), enableTextures(), FIFE::RenderBackend::m_alphaValue, m_indices, m_renderTextureColorDatasZ, m_renderTextureColorObjectsZ, setAlphaTest(), setColorPointer(), setTexCoordPointer(), setVertexPointer(), and FIFE::RenderBackendOpenGL::RenderZObject::texture_id.

Referenced by renderVertexArrays().

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◆ renderWithMultitextureAndZ()

void FIFE::RenderBackendOpenGL::renderWithMultitextureAndZ ( )

protected

Definition at line 1330 of file renderbackendopengl.cpp.

References bindTexture(), disableAlphaTest(), disableDepthTest(), disableLighting(), disableTextures(), enableAlphaTest(), enableDepthTest(), enableLighting(), enableTextures(), m_indices, m_maskOverlay, m_renderMultitextureDatasZ, m_renderMultitextureObjectsZ, FIFE::RenderBackendOpenGL::RenderObject::overlay_id, FIFE::RenderBackendOpenGL::RenderObject::overlay_type, FIFE::OVERLAY_TYPE_COLOR, FIFE::OVERLAY_TYPE_COLOR_AND_TEXTURE, FIFE::OVERLAY_TYPE_NONE, FIFE::OVERLAY_TYPE_TEXTURES_AND_FACTOR, FIFE::RenderBackendOpenGL::RenderObject::rgba, setColorPointer(), setEnvironmentalColor(), setTexCoordPointer(), setVertexPointer(), FIFE::RenderBackendOpenGL::RenderObject::size, and FIFE::RenderBackendOpenGL::RenderObject::texture_id.

Referenced by renderVertexArrays().

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◆ renderWithoutZ()

void FIFE::RenderBackendOpenGL::renderWithoutZ ( )

protected

Definition at line 791 of file renderbackendopengl.cpp.

Referenced by renderVertexArrays().

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◆ renderWithZ()

void FIFE::RenderBackendOpenGL::renderWithZ ( )

protected

Definition at line 1172 of file renderbackendopengl.cpp.

References bindTexture(), disableAlphaTest(), disableColorArray(), disableDepthTest(), disableLighting(), disableTextures(), enableAlphaTest(), enableColorArray(), enableDepthTest(), enableLighting(), enableTextures(), m_indices, m_renderTextureDatasZ, m_renderTextureObjectsZ, setTexCoordPointer(), setVertexPointer(), and FIFE::RenderBackendOpenGL::RenderZObject::texture_id.

Referenced by renderVertexArrays().

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◆ renderWithZTest()

void FIFE::RenderBackendOpenGL::renderWithZTest ( )

protected

Definition at line 1236 of file renderbackendopengl.cpp.

References bindTexture(), disableAlphaTest(), disableColorArray(), disableDepthTest(), disableLighting(), disableTextures(), enableAlphaTest(), enableColorArray(), enableDepthTest(), enableLighting(), enableTextures(), m_renderZ_datas, m_renderZ_objects, setTexCoordPointer(), and setVertexPointer().

Referenced by renderVertexArrays().

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◆ resetLighting()

void FIFE::RenderBackendOpenGL::resetLighting ( )

virtual

Reset lighting with default values.

Implements FIFE::RenderBackend.

Definition at line 537 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::lightmodel, m_state, and setLighting().

◆ resetStencilBuffer()

void FIFE::RenderBackendOpenGL::resetStencilBuffer ( uint8_t buffer )

virtual

Reset stencil buffer with given value.

Implements FIFE::RenderBackend.

Definition at line 571 of file renderbackendopengl.cpp.

References disableScissorTest(), enableScissorTest(), m_state, and FIFE::RenderBackendOpenGL::currentState::sten_buf.

◆ setAlphaTest()

void FIFE::RenderBackendOpenGL::setAlphaTest ( float ref_alpha )

protected

Definition at line 599 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::alpha_test, enableAlphaTest(), FIFE::Math< T >::Equal(), and m_state.

Referenced by renderWithColorAndZ(), renderWithoutZ(), and setScreenMode().

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◆ setClipArea()

void FIFE::RenderBackendOpenGL::setClipArea	(	const Rect &	cliparea,
		bool	clear
	)

protectedvirtual

Sets given clip area into image.

See also: pushClipArea

Implements FIFE::RenderBackend.

Definition at line 2577 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::getHeight(), FIFE::RectType< T >::h, FIFE::RenderBackend::m_backgroundcolor, FIFE::RenderBackend::m_isbackgroundcolor, FIFE::RectType< T >::w, FIFE::RectType< T >::x, and FIFE::RectType< T >::y.

◆ setColorPointer()

void FIFE::RenderBackendOpenGL::setColorPointer	(	GLsizei	stride,
		const GLvoid *	ptr
	)

protected

Definition at line 665 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::color_pointer, and m_state.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), and renderWithoutZ().

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◆ setEnvironmentalColor()

void FIFE::RenderBackendOpenGL::setEnvironmentalColor	(	uint32_t	texUnit,
		const uint8_t *	rgba
	)

protected

Definition at line 636 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_client_tex, FIFE::RenderBackendOpenGL::currentState::active_tex, FIFE::RenderBackendOpenGL::currentState::env_color, and m_state.

Referenced by renderWithMultitextureAndZ(), and renderWithoutZ().

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◆ setLighting()

void FIFE::RenderBackendOpenGL::setLighting	(	float	red,
		float	green,
		float	blue
	)

virtual

Set colors for lighting.

Implements FIFE::RenderBackend.

Definition at line 530 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::lightmodel, and m_state.

Referenced by resetLighting().

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◆ setLightingModel()

void FIFE::RenderBackendOpenGL::setLightingModel ( uint32_t lighting )

virtual

Initializes the light.

Implements FIFE::RenderBackend.

Definition at line 439 of file renderbackendopengl.cpp.

References disableLighting(), enableLighting(), FIFE::RenderBackendOpenGL::currentState::lightmodel, and m_state.

◆ setScreenMode()

void FIFE::RenderBackendOpenGL::setScreenMode ( const ScreenMode & mode )

virtual

Sets the mainscreen display mode.

Parameters

mode	The ScreenMode to change the display to.

See also: FIFE::ScreenMode.

Implements FIFE::RenderBackend.

Definition at line 181 of file renderbackendopengl.cpp.

Referenced by createMainScreen().

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◆ setStencilTest()

void FIFE::RenderBackendOpenGL::setStencilTest	(	uint8_t	stencil_ref,
		GLenum	stencil_op,
		GLenum	stencil_func
	)

protected

Definition at line 557 of file renderbackendopengl.cpp.

References enableStencilTest(), m_state, FIFE::RenderBackendOpenGL::currentState::sten_func, FIFE::RenderBackendOpenGL::currentState::sten_op, and FIFE::RenderBackendOpenGL::currentState::sten_ref.

Referenced by renderWithoutZ().

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◆ setTexCoordPointer()

void FIFE::RenderBackendOpenGL::setTexCoordPointer	(	uint32_t	texUnit,
		GLsizei	stride,
		const GLvoid *	ptr
	)

protected

Definition at line 672 of file renderbackendopengl.cpp.

References FIFE::RenderBackendOpenGL::currentState::active_client_tex, FIFE::RenderBackendOpenGL::currentState::active_tex, m_state, and FIFE::RenderBackendOpenGL::currentState::tex_pointer.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ setVertexPointer()

void FIFE::RenderBackendOpenGL::setVertexPointer	(	GLint	size,
		GLsizei	stride,
		const GLvoid *	ptr
	)

protected

Definition at line 657 of file renderbackendopengl.cpp.

References m_state, FIFE::RenderBackendOpenGL::currentState::vertex_pointer, and FIFE::RenderBackendOpenGL::currentState::vertex_pointer_size.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithoutZ(), renderWithZ(), and renderWithZTest().

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◆ startFrame()

void FIFE::RenderBackendOpenGL::startFrame ( )

virtual

Called when a new frame starts.

Reimplemented from FIFE::RenderBackend.

Definition at line 344 of file renderbackendopengl.cpp.

References FIFE::RenderBackend::startFrame().

Member Data Documentation

◆ m_context

SDL_GLContext FIFE::RenderBackendOpenGL::m_context

protected

Definition at line 281 of file renderbackendopengl.h.

Referenced by setScreenMode(), and ~RenderBackendOpenGL().

◆ m_fbo_id

GLuint FIFE::RenderBackendOpenGL::m_fbo_id

protected

Definition at line 275 of file renderbackendopengl.h.

Referenced by attachRenderTarget(), setScreenMode(), and ~RenderBackendOpenGL().

◆ m_img_target

ImagePtr FIFE::RenderBackendOpenGL::m_img_target

protected

Definition at line 279 of file renderbackendopengl.h.

Referenced by attachRenderTarget(), and detachRenderTarget().

◆ m_indicebufferId

GLuint FIFE::RenderBackendOpenGL::m_indicebufferId

protected

Definition at line 276 of file renderbackendopengl.h.

◆ m_indices

std::vector<uint32_t> FIFE::RenderBackendOpenGL::m_indices

protected

static indices for vertex data with z

Definition at line 278 of file renderbackendopengl.h.

Referenced by renderWithColorAndZ(), renderWithMultitextureAndZ(), renderWithZ(), and setScreenMode().

◆ m_maskOverlay

GLuint FIFE::RenderBackendOpenGL::m_maskOverlay

protected

Definition at line 131 of file renderbackendopengl.h.

Referenced by prepareForOverlays(), renderWithMultitextureAndZ(), renderWithoutZ(), and ~RenderBackendOpenGL().

◆ m_pIndices

std::vector<uint32_t> FIFE::RenderBackendOpenGL::m_pIndices

protected

Definition at line 218 of file renderbackendopengl.h.

Referenced by drawBezier(), drawCircle(), drawCircleSegment(), drawFillCircle(), drawFillCircleSegment(), drawLightPrimitive(), drawLine(), drawPolyLine(), drawQuad(), drawRectangle(), drawThickLine(), drawTriangle(), drawVertex(), fillRectangle(), putPixel(), and renderWithoutZ().

◆ m_renderForcedDatasZ

std::vector<renderDataZ> FIFE::RenderBackendOpenGL::m_renderForcedDatasZ

protected

Definition at line 237 of file renderbackendopengl.h.

◆ m_renderForcedObjectsZ

std::vector<RenderObject> FIFE::RenderBackendOpenGL::m_renderForcedObjectsZ

protected

Definition at line 238 of file renderbackendopengl.h.

◆ m_renderMultitextureDatas

std::vector<renderData2TC> FIFE::RenderBackendOpenGL::m_renderMultitextureDatas

protected

Definition at line 214 of file renderbackendopengl.h.

Referenced by addImageToArray(), and renderWithoutZ().

◆ m_renderMultitextureDatasZ

std::vector<renderData2TCZ> FIFE::RenderBackendOpenGL::m_renderMultitextureDatasZ

protected

Definition at line 233 of file renderbackendopengl.h.

Referenced by addImageToArrayZ(), and renderWithMultitextureAndZ().

◆ m_renderMultitextureObjectsZ

std::vector<RenderObject> FIFE::RenderBackendOpenGL::m_renderMultitextureObjectsZ

protected

Definition at line 234 of file renderbackendopengl.h.

Referenced by addImageToArrayZ(), changeRenderInfos(), renderVertexArrays(), and renderWithMultitextureAndZ().

◆ m_renderObjects

std::vector<RenderObject> FIFE::RenderBackendOpenGL::m_renderObjects

protected

Definition at line 215 of file renderbackendopengl.h.

Referenced by addImageToArray(), changeRenderInfos(), drawBezier(), drawCircle(), drawCircleSegment(), drawFillCircle(), drawFillCircleSegment(), drawLightPrimitive(), drawLine(), drawPolyLine(), drawQuad(), drawRectangle(), drawThickLine(), drawTriangle(), drawVertex(), fillRectangle(), putPixel(), renderVertexArrays(), and renderWithoutZ().

◆ m_renderPrimitiveDatas

std::vector<renderDataP> FIFE::RenderBackendOpenGL::m_renderPrimitiveDatas

protected

Definition at line 208 of file renderbackendopengl.h.

Referenced by drawBezier(), drawCircle(), drawCircleSegment(), drawFillCircle(), drawFillCircleSegment(), drawLightPrimitive(), drawLine(), drawPolyLine(), drawQuad(), drawRectangle(), drawThickLine(), drawTriangle(), drawVertex(), fillRectangle(), putPixel(), and renderWithoutZ().

◆ m_renderTextureColorDatas

std::vector<renderDataTC> FIFE::RenderBackendOpenGL::m_renderTextureColorDatas

protected

Definition at line 212 of file renderbackendopengl.h.

Referenced by addImageToArray(), and renderWithoutZ().

◆ m_renderTextureColorDatasZ

std::vector<renderDataColorZ> FIFE::RenderBackendOpenGL::m_renderTextureColorDatasZ

protected

Definition at line 229 of file renderbackendopengl.h.

Referenced by addImageToArrayZ(), and renderWithColorAndZ().

◆ m_renderTextureColorObjectsZ

std::vector<RenderZObject> FIFE::RenderBackendOpenGL::m_renderTextureColorObjectsZ

protected

Definition at line 230 of file renderbackendopengl.h.

Referenced by addImageToArrayZ(), renderVertexArrays(), and renderWithColorAndZ().

◆ m_renderTextureDatas

std::vector<renderDataT> FIFE::RenderBackendOpenGL::m_renderTextureDatas

protected

Definition at line 210 of file renderbackendopengl.h.

Referenced by addImageToArray(), and renderWithoutZ().

◆ m_renderTextureDatasZ

std::vector<renderDataZ> FIFE::RenderBackendOpenGL::m_renderTextureDatasZ

protected

Definition at line 225 of file renderbackendopengl.h.

Referenced by addImageToArrayZ(), and renderWithZ().

◆ m_renderTextureObjectsZ

std::vector<RenderZObject> FIFE::RenderBackendOpenGL::m_renderTextureObjectsZ

protected

Definition at line 226 of file renderbackendopengl.h.

Referenced by addImageToArrayZ(), renderVertexArrays(), and renderWithZ().

◆ m_renderZ_datas

std::vector<renderDataZ> FIFE::RenderBackendOpenGL::m_renderZ_datas

protected

Definition at line 203 of file renderbackendopengl.h.

Referenced by renderWithZTest().

◆ m_renderZ_objects

std::vector<RenderZObjectTest> FIFE::RenderBackendOpenGL::m_renderZ_objects

protected

Definition at line 204 of file renderbackendopengl.h.

Referenced by getRenderBufferObject(), renderVertexArrays(), and renderWithZTest().

◆ m_state

◆ m_target_discard

bool FIFE::RenderBackendOpenGL::m_target_discard

protected

Definition at line 280 of file renderbackendopengl.h.

Referenced by attachRenderTarget().

◆ m_tc2Indices

std::vector<uint32_t> FIFE::RenderBackendOpenGL::m_tc2Indices

protected

Definition at line 221 of file renderbackendopengl.h.

Referenced by addImageToArray(), and renderWithoutZ().

◆ m_tcIndices

std::vector<uint32_t> FIFE::RenderBackendOpenGL::m_tcIndices

protected

Definition at line 220 of file renderbackendopengl.h.

Referenced by addImageToArray(), and renderWithoutZ().

◆ m_tIndices

std::vector<uint32_t> FIFE::RenderBackendOpenGL::m_tIndices

protected

Definition at line 219 of file renderbackendopengl.h.

Referenced by addImageToArray(), and renderWithoutZ().

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

engine/core/video/opengl/renderbackendopengl.h
engine/core/video/opengl/renderbackendopengl.cpp

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ RenderBackendOpenGL()

◆ ~RenderBackendOpenGL()

Member Function Documentation

◆ addImageToArray() [1/2]

◆ addImageToArray() [2/2]

◆ addImageToArrayZ() [1/2]

◆ addImageToArrayZ() [2/2]

◆ attachRenderTarget()

◆ bindTexture() [1/2]

◆ bindTexture() [2/2]

◆ captureScreen() [1/2]

◆ captureScreen() [2/2]

◆ changeBlending()

◆ changeRenderInfos()

◆ clearBackBuffer()

◆ createImage() [1/6]

◆ createImage() [2/6]

◆ createImage() [3/6]

◆ createImage() [4/6]

◆ createImage() [5/6]

◆ createImage() [6/6]

◆ createMainScreen()

◆ detachRenderTarget()

◆ disableAlphaTest()

◆ disableColorArray()

◆ disableDepthTest()

◆ disableLighting()

◆ disableScissorTest()

◆ disableStencilTest()

◆ disableTextures()

◆ drawBezier()

◆ drawCircle()

◆ drawCircleSegment()

◆ drawFillCircle()

◆ drawFillCircleSegment()

◆ drawLightPrimitive()

◆ drawLine()

◆ drawPolyLine()

◆ drawQuad()

◆ drawRectangle()

◆ drawThickLine()

◆ drawTriangle()

◆ drawVertex()

◆ enableAlphaTest()

◆ enableColorArray()

◆ enableDepthTest()

◆ enableLighting()

◆ enableScissorTest()

◆ enableStencilTest()

◆ enableTextures()

◆ endFrame()

◆ fillRectangle()

◆ getLightingModel()

◆ getName()

◆ getRenderBufferObject()

◆ getStencilRef()

◆ init()

◆ prepareForOverlays()

◆ putPixel()

◆ renderGuiGeometry()

◆ renderVertexArrays()

◆ renderWithColorAndZ()

◆ renderWithMultitextureAndZ()

◆ renderWithoutZ()

◆ renderWithZ()

◆ renderWithZTest()

◆ resetLighting()

◆ resetStencilBuffer()

◆ setAlphaTest()

◆ setClipArea()

◆ setColorPointer()

◆ setEnvironmentalColor()

◆ setLighting()