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opengl_gal.cpp File Reference
#include <gal/opengl/opengl_gal.h>
#include <gal/opengl/utils.h>
#include <gal/definitions.h>
#include <gl_context_mgr.h>
#include <geometry/shape_poly_set.h>
#include <text_utils.h>
#include <bitmap_base.h>
#include <macros.h>
#include <limits>
#include <functional>
#include "gl_resources.h"
#include "gl_builtin_shaders.h"

Go to the source code of this file.

Classes

class  KIGFX::GL_BITMAP_CACHE
 
struct  KIGFX::GL_BITMAP_CACHE::CACHED_BITMAP
 

Namespaces

 KIGFX
 Class CAIRO_GAL is the cairo implementation of the graphics abstraction layer.
 

Functions

static void InitTesselatorCallbacks (GLUtesselator *aTesselator)
 
void CALLBACK VertexCallback (GLvoid *aVertexPtr, void *aData)
 
void CALLBACK CombineCallback (GLdouble coords[3], GLdouble *vertex_data[4], GLfloat weight[4], GLdouble **dataOut, void *aData)
 
void CALLBACK EdgeCallback (GLboolean aEdgeFlag)
 
void CALLBACK ErrorCallback (GLenum aErrorCode)
 

Variables

static const int glAttributes [] = { WX_GL_RGBA, WX_GL_DOUBLEBUFFER, WX_GL_DEPTH_SIZE, 8, 0 }
 

Function Documentation

void CALLBACK CombineCallback ( GLdouble  coords[3],
GLdouble *  vertex_data[4],
GLfloat  weight[4],
GLdouble **  dataOut,
void *  aData 
)

Definition at line 2064 of file opengl_gal.cpp.

References KIGFX::OPENGL_GAL::TessParams::intersectPoints.

Referenced by InitTesselatorCallbacks().

2067 {
2068  GLdouble* vertex = new GLdouble[3];
2069  OPENGL_GAL::TessParams* param = static_cast<OPENGL_GAL::TessParams*>( aData );
2070 
2071  // Save the pointer so we can delete it later
2072  param->intersectPoints.push_back( boost::shared_array<GLdouble>( vertex ) );
2073 
2074  memcpy( vertex, coords, 3 * sizeof(GLdouble) );
2075 
2076  *dataOut = vertex;
2077 }
std::deque< boost::shared_array< GLdouble > > & intersectPoints
Intersect points, that have to be freed after tessellation.
Definition: opengl_gal.h:276
void CALLBACK EdgeCallback ( GLboolean  aEdgeFlag)

Definition at line 2080 of file opengl_gal.cpp.

Referenced by InitTesselatorCallbacks().

2081 {
2082  // This callback is needed to force GLU tesselator to use triangles only
2083 }
void CALLBACK ErrorCallback ( GLenum  aErrorCode)

Definition at line 2086 of file opengl_gal.cpp.

Referenced by InitTesselatorCallbacks().

2087 {
2088  //throw std::runtime_error( std::string( "Tessellation error: " ) +
2089  //std::string( (const char*) gluErrorString( aErrorCode ) );
2090 }
static void InitTesselatorCallbacks ( GLUtesselator *  aTesselator)
static

Definition at line 2093 of file opengl_gal.cpp.

References CALLBACK, CombineCallback(), EdgeCallback(), ErrorCallback(), and VertexCallback().

Referenced by KIGFX::OPENGL_GAL::OPENGL_GAL().

2094 {
2095  gluTessCallback( aTesselator, GLU_TESS_VERTEX_DATA, ( void (CALLBACK*)() )VertexCallback );
2096  gluTessCallback( aTesselator, GLU_TESS_COMBINE_DATA, ( void (CALLBACK*)() )CombineCallback );
2097  gluTessCallback( aTesselator, GLU_TESS_EDGE_FLAG, ( void (CALLBACK*)() )EdgeCallback );
2098  gluTessCallback( aTesselator, GLU_TESS_ERROR, ( void (CALLBACK*)() )ErrorCallback );
2099 }
void CALLBACK EdgeCallback(GLboolean aEdgeFlag)
void CALLBACK VertexCallback(GLvoid *aVertexPtr, void *aData)
void CALLBACK ErrorCallback(GLenum aErrorCode)
void CALLBACK CombineCallback(GLdouble coords[3], GLdouble *vertex_data[4], GLfloat weight[4], GLdouble **dataOut, void *aData)
#define CALLBACK
Definition: opengl_gal.h:48
void CALLBACK VertexCallback ( GLvoid *  aVertexPtr,
void *  aData 
)

Definition at line 2053 of file opengl_gal.cpp.

References KIGFX::OPENGL_GAL::TessParams::vboManager, and KIGFX::VERTEX_MANAGER::Vertex().

Referenced by InitTesselatorCallbacks().

2054 {
2055  GLdouble* vertex = static_cast<GLdouble*>( aVertexPtr );
2056  OPENGL_GAL::TessParams* param = static_cast<OPENGL_GAL::TessParams*>( aData );
2057  VERTEX_MANAGER* vboManager = param->vboManager;
2058 
2059  assert( vboManager );
2060  vboManager->Vertex( vertex[0], vertex[1], vertex[2] );
2061 }
bool Vertex(const VERTEX &aVertex)
Function Vertex() adds a vertex with the given coordinates to the currently set item.
VERTEX_MANAGER * vboManager
Manager used for storing new vertices.
Definition: opengl_gal.h:273

Variable Documentation

const int glAttributes[] = { WX_GL_RGBA, WX_GL_DOUBLEBUFFER, WX_GL_DEPTH_SIZE, 8, 0 }
static

Definition at line 59 of file opengl_gal.cpp.