OGRE
1.12.13
Object-Oriented Graphics Rendering Engine
|
Implementation of GL ES 2.x as a rendering system. More...
#include <OgreGLES2RenderSystem.h>
Public Member Functions | |
GLES2RenderSystem () | |
virtual | ~GLES2RenderSystem () |
void | _bindVao (GLContext *context, uint32 vao) |
Bind VAO, context should be equal to current context, as VAOs are not shared More... | |
DepthBuffer * | _createDepthBufferFor (RenderTarget *renderTarget) |
Creates a DepthBuffer that can be attached to the specified RenderTarget. More... | |
RenderWindow * | _createRenderWindow (const String &name, unsigned int width, unsigned int height, bool fullScreen, const NameValuePairList *miscParams=0) |
Creates a new rendering window. More... | |
uint32 | _createVao () |
Create VAO on current context. More... | |
void | _destroyDepthBuffer (RenderTarget *pRenderWnd) |
void | _destroyFbo (GLContext *context, uint32 fbo) |
Destroy FBO immediately or defer if it was created on other context. More... | |
void | _destroyVao (GLContext *context, uint32 vao) |
Destroy VAO immediately or defer if it was created on other context. More... | |
void | _endFrame (void) |
Ends rendering of a frame to the current viewport. More... | |
GLES2StateCacheManager * | _getStateCacheManager () |
void | _initialise () override |
Start up the renderer using the settings selected (Or the defaults if none have been selected). More... | |
void | _oneTimeContextInitialization () |
One time initialization for the RenderState of a context. More... | |
void | _render (const RenderOperation &op) |
Render something to the active viewport. More... | |
void | _setAlphaRejectSettings (CompareFunction func, unsigned char value, bool alphaToCoverage) |
Sets the global alpha rejection approach for future renders. More... | |
void | _setCullingMode (CullingMode mode) |
Sets the culling mode for the render system based on the 'vertex winding'. More... | |
void | _setDepthBias (float constantBias, float slopeScaleBias) |
Sets the depth bias, NB you should use the Material version of this. More... | |
void | _setDepthBufferCheckEnabled (bool enabled=true) |
void | _setDepthBufferFunction (CompareFunction func=CMPF_LESS_EQUAL) |
void | _setDepthBufferParams (bool depthTest=true, bool depthWrite=true, CompareFunction depthFunction=CMPF_LESS_EQUAL) |
Sets the mode of operation for depth buffer tests from this point onwards. More... | |
void | _setDepthBufferWriteEnabled (bool enabled=true) |
void | _setLineWidth (float width) |
Set the line width when drawing as RenderOperation::OT_LINE_LIST/ RenderOperation::OT_LINE_STRIP. More... | |
void | _setPolygonMode (PolygonMode level) |
Sets how to rasterise triangles, as points, wireframe or solid polys. More... | |
void | _setRenderTarget (RenderTarget *target) |
Set current render target to target, enabling its GL context if needed. More... | |
void | _setSampler (size_t unit, Sampler &sampler) |
set the sampler settings for the given texture unit More... | |
void | _setTexture (size_t unit, bool enabled, const TexturePtr &tex) |
Sets the texture to bind to a given texture unit. More... | |
void | _setTextureAddressingMode (size_t stage, const Sampler::UVWAddressingMode &uvw) |
virtual void | _setTextureUnitFiltering (size_t unit, FilterOptions minFilter, FilterOptions magFilter, FilterOptions mipFilter) |
void | _setTextureUnitFiltering (size_t unit, FilterType ftype, FilterOptions filter) |
void | _setViewport (Viewport *vp) |
Sets the provided viewport as the active one for future rendering operations. More... | |
void | _switchContext (GLContext *context) |
Switch GL context, dealing with involved internal cached states too. More... | |
void | _unregisterContext (GLContext *context) |
Unregister a render target->context mapping. More... | |
virtual void | beginProfileEvent (const String &eventName) |
This marks the beginning of an event for GPU profiling. More... | |
void | bindGpuProgram (GpuProgram *prg) |
Binds a given GpuProgram (but not the parameters). More... | |
void | bindGpuProgramParameters (GpuProgramType gptype, const GpuProgramParametersPtr ¶ms, uint16 mask) |
Bind Gpu program parameters. More... | |
void | clearFrameBuffer (unsigned int buffers, const ColourValue &colour=ColourValue::Black, Real depth=1.0f, unsigned short stencil=0) |
Clears one or more frame buffers on the active render target. More... | |
GLint | convertCompareFunction (CompareFunction func) const |
GLint | convertStencilOp (StencilOperation op, bool invert=false) const |
HardwareOcclusionQuery * | createHardwareOcclusionQuery (void) |
Create an object for performing hardware occlusion queries. More... | |
virtual MultiRenderTarget * | createMultiRenderTarget (const String &name) |
Create a MultiRenderTarget, which is a render target that renders to multiple RenderTextures at once. More... | |
virtual RenderSystemCapabilities * | createRenderSystemCapabilities () const |
Query the real capabilities of the GPU and driver in the RenderSystem. More... | |
void | destroyRenderWindow (const String &name) |
Destroys a render window. More... | |
virtual void | endProfileEvent (void) |
Ends the currently active GPU profiling event. More... | |
const String & | getName (void) const |
Returns the name of the rendering system. More... | |
void | initialiseContext (RenderWindow *primary) |
void | initialiseFromRenderSystemCapabilities (RenderSystemCapabilities *caps, RenderTarget *primary) |
Initialize the render system from the capabilities. More... | |
virtual void | markProfileEvent (const String &eventName) |
Marks an instantaneous event for graphics profilers. More... | |
void | notifyOnContextLost () |
void | resetRenderer (RenderWindow *pRenderWnd) |
void | setColourBlendState (const ColourBlendState &state) |
Sets the global blending factors for combining subsequent renders with the existing frame contents. More... | |
void | setScissorTest (bool enabled, const Rect &rect=Rect()) |
Sets the 'scissor region' i.e. More... | |
void | setStencilBufferParams (CompareFunction func=CMPF_ALWAYS_PASS, uint32 refValue=0, uint32 compareMask=0xFFFFFFFF, uint32 writeMask=0xFFFFFFFF, StencilOperation stencilFailOp=SOP_KEEP, StencilOperation depthFailOp=SOP_KEEP, StencilOperation passOp=SOP_KEEP, bool twoSidedOperation=false, bool readBackAsTexture=false) |
This method allows you to set all the stencil buffer parameters in one call. More... | |
void | setStencilCheckEnabled (bool enabled) |
Turns stencil buffer checking on or off. More... | |
void | shutdown (void) |
Shutdown the renderer and cleanup resources. More... | |
void | unbindGpuProgram (GpuProgramType gptype) |
Unbinds GpuPrograms of a given GpuProgramType. More... | |
Public Member Functions inherited from Ogre::GLRenderSystemCommon | |
virtual | ~GLRenderSystemCommon () |
void | _completeDeferredVaoFboDestruction () |
Complete destruction of VAOs and FBOs deferred while creator context was not current. More... | |
void | _convertProjectionMatrix (const Matrix4 &matrix, Matrix4 &dest, bool) |
Converts a uniform projection matrix to suitable for this render system. More... | |
GLContext * | _getCurrentContext () |
Returns the current context. More... | |
virtual void | _getDepthStencilFormatFor (PixelFormat internalColourFormat, uint32 *depthFormat, uint32 *stencilFormat) |
Mimics D3D9RenderSystem::_getDepthStencilFormatFor, if no FBO RTT manager, outputs GL_NONE. More... | |
GLContext * | _getMainContext () |
Returns the main context. More... | |
bool | checkExtension (const String &ext) const |
Check if an extension is available. More... | |
unsigned int | getDisplayMonitorCount () const |
Real | getMaximumDepthInputValue (void) |
Gets the maximum (farthest) depth value to be used when rendering using identity transforms. More... | |
Real | getMinimumDepthInputValue (void) |
Gets the minimum (closest) depth value to be used when rendering using identity transforms. More... | |
bool | hasMinGLVersion (int major, int minor) const |
Check if GL Version is supported. More... | |
void | postExtraThreadsStarted () |
Tell the rendersystem to perform any tasks it needs to directly after other threads which might access the rendering API are registered. More... | |
void | preExtraThreadsStarted () |
Tell the rendersystem to perform any prep tasks it needs to directly before other threads which might access the rendering API are registered. More... | |
void | registerThread () |
Register the an additional thread which may make calls to rendersystem-related objects. More... | |
void | setConfigOption (const String &name, const String &value) |
Specific options: More... | |
void | unregisterThread () |
Unregister an additional thread which may make calls to rendersystem-related objects. More... | |
Public Member Functions inherited from Ogre::RenderSystem | |
RenderSystem () | |
Default Constructor. More... | |
virtual | ~RenderSystem () |
Destructor. More... | |
virtual void | _beginFrame () |
Signifies the beginning of a frame, i.e. More... | |
virtual void | _beginGeometryCount (void) |
The RenderSystem will keep a count of tris rendered, this resets the count. More... | |
void | _cleanupDepthBuffers (bool bCleanManualBuffers=true) |
Removes all depth buffers. More... | |
bool | _createRenderWindows (const RenderWindowDescriptionList &renderWindowDescriptions, RenderWindowList &createdWindows) |
virtual void | _disableTextureUnit (size_t texUnit) |
Turns off a texture unit. More... | |
virtual void | _disableTextureUnitsFrom (size_t texUnit) |
Disables all texture units from the given unit upwards. More... | |
virtual void | _dispatchCompute (const Vector3i &workgroupDim) |
virtual unsigned int | _getBatchCount (void) const |
Reports the number of batches rendered since the last _beginGeometryCount call. More... | |
virtual CullingMode | _getCullingMode (void) const |
const String & | _getDefaultViewportMaterialScheme (void) const |
Returns the default material scheme used by the render system. More... | |
virtual unsigned int | _getFaceCount (void) const |
Reports the number of tris rendered since the last _beginGeometryCount call. More... | |
virtual unsigned int | _getVertexCount (void) const |
Reports the number of vertices passed to the renderer since the last _beginGeometryCount call. More... | |
virtual Viewport * | _getViewport (void) |
Get the current active viewport for rendering. More... | |
void | _initRenderTargets (void) |
Utility method for initialising all render targets attached to this rendering system. More... | |
void | _notifyCameraRemoved (const Camera *cam) |
Utility method to notify all render targets that a camera has been removed, in case they were referring to it as their viewer. More... | |
virtual RenderSystemContext * | _pauseFrame (void) |
Pause rendering for a frame. More... | |
virtual void | _resumeFrame (RenderSystemContext *context) |
Resume rendering for a frame. More... | |
void | _setColourBufferWriteEnabled (bool red, bool green, bool blue, bool alpha) |
virtual void | _setDepthClamp (bool enable) |
Clamp depth values to near and far plane rather than discarding. More... | |
void | _setFog (FogMode f) |
virtual void | _setPointParameters (bool attenuationEnabled, Real minSize, Real maxSize) |
virtual void | _setPointSpritesEnabled (bool enabled) |
Sets whether or not rendering points using OT_POINT_LIST will render point sprites (textured quads) or plain points. More... | |
void | _setProjectionMatrix (Matrix4 m) |
void | _setSceneBlending (SceneBlendFactor sourceFactor, SceneBlendFactor destFactor, SceneBlendOperation op=SBO_ADD) |
void | _setSeparateSceneBlending (SceneBlendFactor sourceFactor, SceneBlendFactor destFactor, SceneBlendFactor sourceFactorAlpha, SceneBlendFactor destFactorAlpha, SceneBlendOperation op=SBO_ADD, SceneBlendOperation alphaOp=SBO_ADD) |
virtual void | _setTextureBlendMode (size_t unit, const LayerBlendModeEx &bm) |
Sets the texture blend modes from a TextureUnitState record. More... | |
virtual void | _setTextureCoordCalculation (size_t unit, TexCoordCalcMethod m, const Frustum *frustum=0) |
Sets a method for automatically calculating texture coordinates for a stage. More... | |
virtual void | _setTextureCoordSet (size_t unit, size_t index) |
Sets the texture coordinate set to use for a texture unit. More... | |
virtual void | _setTextureMatrix (size_t unit, const Matrix4 &xform) |
Sets the texture coordinate transformation matrix for a texture unit. More... | |
virtual void | _setTextureProjectionRelativeTo (bool enabled, const Vector3 &pos) |
Notify the rendersystem that it should adjust texture projection to be relative to a different origin. More... | |
virtual void | _setTextureUnitSettings (size_t texUnit, TextureUnitState &tl) |
Utility function for setting all the properties of a texture unit at once. More... | |
virtual void | _setVertexTexture (size_t unit, const TexturePtr &tex) |
Binds a texture to a vertex, geometry, compute, tesselation hull or tessellation domain sampler. More... | |
void | _setViewMatrix (const Matrix4 &m) |
void | _setWorldMatrix (const Matrix4 &m) |
virtual void | _swapAllRenderTargetBuffers () |
Internal method for swapping all the buffers on all render targets, if _updateAllRenderTargets was called with a 'false' parameter. More... | |
virtual void | _updateAllRenderTargets (bool swapBuffers=true) |
Internal method for updating all render targets attached to this rendering system. More... | |
virtual void | _useLights (unsigned short limit) |
Tells the rendersystem to use the attached set of lights (and no others) up to the number specified (this allows the same list to be used with different count limits) More... | |
void | addListener (Listener *l) |
Adds a listener to the custom events that this render system can raise. More... | |
virtual void | applyFixedFunctionParams (const GpuProgramParametersPtr ¶ms, uint16 variabilityMask) |
void | attachRenderTarget (RenderTarget &target) |
Attaches the passed render target to the render system. More... | |
virtual void | bindGpuProgramPassIterationParameters (GpuProgramType gptype) |
void | convertColourValue (const ColourValue &colour, uint32 *pDest) |
virtual void | destroyHardwareOcclusionQuery (HardwareOcclusionQuery *hq) |
Destroy a hardware occlusion query object. More... | |
virtual void | destroyRenderTarget (const String &name) |
Destroys a render target of any sort. More... | |
virtual void | destroyRenderTexture (const String &name) |
Destroys a render texture. More... | |
virtual RenderTarget * | detachRenderTarget (const String &name) |
Detaches the render target with the passed name from the render system and returns a pointer to it. More... | |
const RenderSystemCapabilities * | getCapabilities (void) const |
Gets the capabilities of the render system. More... | |
virtual VertexElementType | getColourVertexElementType (void) const |
const ConfigOptionMap & | getConfigOptions () const |
Returns the details of this API's configuration options. More... | |
virtual void | getCustomAttribute (const String &name, void *pData) |
Gets a custom (maybe platform-specific) attribute. More... | |
const DriverVersion & | getDriverVersion (void) const |
Returns the driver version. More... | |
virtual const GpuProgramParametersPtr & | getFixedFunctionParams (TrackVertexColourType tracking, FogMode fog) |
HardwareVertexBufferSharedPtr | getGlobalInstanceVertexBuffer () const |
Returns the global instance vertex buffer. More... | |
VertexDeclaration * | getGlobalInstanceVertexBufferVertexDeclaration () const |
Gets vertex declaration for the global vertex buffer for the global instancing. More... | |
size_t | getGlobalNumberOfInstances () const |
Gets the global number of instances. More... | |
virtual Real | getHorizontalTexelOffset (void) |
Returns the horizontal texel offset value required for mapping texel origins to pixel origins in this rendersystem. More... | |
bool | getInvertVertexWinding (void) const |
Indicates whether or not the vertex windings set will be inverted for the current render (e.g. More... | |
RenderSystemCapabilities * | getMutableCapabilities () |
Get a pointer to the current capabilities being used by the RenderSystem. More... | |
uint16 | getNativeShadingLanguageVersion () const |
Gets the native shading language version for this render system. More... | |
const StringVector & | getRenderSystemEvents (void) const |
Gets a list of the rendersystem specific events that this rendersystem can raise. More... | |
RenderTarget * | getRenderTarget (const String &name) |
Returns a pointer to the render target with the passed name, or NULL if that render target cannot be found. More... | |
RenderTargetIterator | getRenderTargetIterator (void) |
Returns a specialised MapIterator over all render targets attached to the RenderSystem. More... | |
RenderWindowDescription | getRenderWindowDescription () const |
get a RenderWindowDescription from the current ConfigOptionMap More... | |
virtual Real | getVerticalTexelOffset (void) |
Returns the vertical texel offset value required for mapping texel origins to pixel origins in this rendersystem. More... | |
bool | isGpuProgramBound (GpuProgramType gptype) |
Returns whether or not a Gpu program of the given type is currently bound. More... | |
bool | isReverseDepthBufferEnabled () const |
Returns if reverse Z-buffer is enabled. More... | |
virtual bool | isStaticBufferLockable () const |
void | reinitialise (void) |
Restart the renderer (normally following a change in settings). More... | |
void | removeListener (Listener *l) |
Remove a listener to the custom events that this render system can raise. More... | |
virtual void | setClipPlanes (const PlaneList &clipPlanes) |
Sets the user clipping region. More... | |
virtual void | setCurrentPassIterationCount (const size_t count) |
set the current multi pass count value. More... | |
void | setDepthBufferFor (RenderTarget *renderTarget) |
Retrieves an existing DepthBuffer or creates a new one suited for the given RenderTarget and sets it. More... | |
void | setDeriveDepthBias (bool derive, float baseValue=0.0f, float multiplier=0.0f, float slopeScale=0.0f) |
Tell the render system whether to derive a depth bias on its own based on the values passed to it in setCurrentPassIterationCount. More... | |
virtual bool | setDrawBuffer (ColourBufferType colourBuffer) |
Sets the colour buffer that the render system will to draw. More... | |
void | setGlobalInstanceVertexBuffer (const HardwareVertexBufferSharedPtr &val) |
Sets the global instance vertex buffer. More... | |
void | setGlobalInstanceVertexBufferVertexDeclaration (VertexDeclaration *val) |
Sets vertex declaration for the global vertex buffer for the global instancing. More... | |
void | setGlobalNumberOfInstances (const size_t val) |
Sets the global number of instances. More... | |
void | setInvertVertexWinding (bool invert) |
Sets whether or not vertex windings set should be inverted; this can be important for rendering reflections. More... | |
virtual void | setLightingEnabled (bool enabled) |
Sets whether or not dynamic lighting is enabled. More... | |
virtual void | setNormaliseNormals (bool normalise) |
Sets whether or not normals are to be automatically normalised. More... | |
void | setScissorTest (bool enabled, size_t left, size_t top=0, size_t right=800, size_t bottom=600) |
virtual void | setShadingType (ShadeOptions so) |
Sets the type of light shading required (default = Gouraud). More... | |
void | setStencilState (const StencilState &state) |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. More... | |
void | useCustomRenderSystemCapabilities (RenderSystemCapabilities *capabilities) |
Force the render system to use the special capabilities. More... | |
virtual String | validateConfigOptions (void) |
Validates the options set for the rendering system, returning a message if there are problems. More... | |
Static Public Member Functions | |
static GLES2ManagedResourceManager * | getResourceManager () |
Static Public Member Functions inherited from Ogre::RenderSystem | |
static Listener * | getSharedListener (void) |
Retrieve a pointer to the current shared render system listener. More... | |
static void | setSharedListener (Listener *listener) |
Sets shared listener. More... | |
Additional Inherited Members | |
Public Types inherited from Ogre::GLRenderSystemCommon | |
typedef std::vector< VideoMode > | VideoModes |
Public Types inherited from Ogre::RenderSystem | |
typedef MapIterator< Ogre::RenderTargetMap > | RenderTargetIterator |
Iterator over RenderTargets. More... | |
Implementation of GL ES 2.x as a rendering system.