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drawing code for solid and wired now shared for all objects

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1271 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2012-04-29 04:16:07 +00:00
parent b739e1a281
commit c04a82ac47
1 changed files with 82 additions and 131 deletions
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205
freeglut/freeglut/src/fg_geometry.c
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@ -47,7 +47,10 @@
/* Version for OpenGL (ES) 1.1 */ /* Version for OpenGL (ES) 1.1 */
#ifndef GL_ES_VERSION_2_0 #ifndef GL_ES_VERSION_2_0
static void fghDrawGeometryWire11(GLfloat *vertices, GLfloat *normals, GLsizei numFaces, GLsizei numEdgePerFace) static void fghDrawGeometryWire11(GLfloat *vertices, GLfloat *normals,
GLushort *vertIdxs, GLsizei numParts, GLsizei numVertPerPart, GLenum vertexMode,
GLushort *vertIdxs2, GLsizei numParts2, GLsizei numVertPerPart2
)
{ {
int i; int i;
@ -57,9 +60,18 @@ static void fghDrawGeometryWire11(GLfloat *vertices, GLfloat *normals, GLsizei n
glVertexPointer(3, GL_FLOAT, 0, vertices); glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals); glNormalPointer(GL_FLOAT, 0, normals);
if (!vertIdxs)
/* Draw per face (TODO: could use glMultiDrawArrays if available) */ /* Draw per face (TODO: could use glMultiDrawArrays if available) */
for (i=0; i<numFaces; i++) for (i=0; i<numParts; i++)
glDrawArrays(GL_LINE_LOOP, i*numEdgePerFace, numEdgePerFace); glDrawArrays(vertexMode, i*numVertPerPart, numVertPerPart);
else
for (i=0; i<numParts; i++)
glDrawElements(vertexMode,numVertPerPart,GL_UNSIGNED_SHORT,vertIdxs+i*numVertPerPart);
if (vertIdxs2)
for (i=0; i<numParts2; i++)
glDrawElements(GL_LINE_LOOP,numVertPerPart2,GL_UNSIGNED_SHORT,vertIdxs2+i*numVertPerPart2);
glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY); glDisableClientState(GL_NORMAL_ARRAY);
@ -67,11 +79,14 @@ static void fghDrawGeometryWire11(GLfloat *vertices, GLfloat *normals, GLsizei n
#endif #endif
/* Version for OpenGL (ES) >= 2.0 */ /* Version for OpenGL (ES) >= 2.0 */
static void fghDrawGeometryWire20(GLfloat *vertices, GLfloat *normals, GLsizei numFaces, GLsizei numEdgePerFace, static void fghDrawGeometryWire20(GLfloat *vertices, GLfloat *normals,
GLint attribute_v_coord, GLint attribute_v_normal) GLushort *vertIdxs, GLsizei numParts, GLsizei numVertPerPart, GLenum vertexMode,
GLushort *vertIdxs2, GLsizei numParts2, GLsizei numVertPerPart2,
GLint attribute_v_coord, GLint attribute_v_normal
)
{ {
GLuint vbo_coords = 0, vbo_normals = 0; GLuint vbo_coords = 0, vbo_normals = 0;
GLuint numVertices = numFaces * numEdgePerFace; GLuint numVertices = numParts * numVertPerPart;
int i; int i;
@ -116,8 +131,8 @@ static void fghDrawGeometryWire20(GLfloat *vertices, GLfloat *normals, GLsizei n
} }
/* Draw per face (TODO: could use glMultiDrawArrays if available) */ /* Draw per face (TODO: could use glMultiDrawArrays if available) */
for (i=0; i<numFaces; i++) for (i=0; i<numParts; i++)
glDrawArrays(GL_LINE_LOOP, i*numEdgePerFace, numEdgePerFace); glDrawArrays(vertexMode, i*numVertPerPart, numVertPerPart);
if (vbo_coords != 0) if (vbo_coords != 0)
@ -131,18 +146,25 @@ static void fghDrawGeometryWire20(GLfloat *vertices, GLfloat *normals, GLsizei n
fghDeleteBuffers(1, &vbo_normals); fghDeleteBuffers(1, &vbo_normals);
} }
static void fghDrawGeometryWire(GLfloat *vertices, GLfloat *normals, GLsizei numFaces, GLsizei numEdgePerFace) static void fghDrawGeometryWire(GLfloat *vertices, GLfloat *normals,
GLushort *vertIdxs, GLsizei numParts, GLsizei numVertPerPart, GLenum vertexMode,
GLushort *vertIdxs2, GLsizei numParts2, GLsizei numVertPerPart2
)
{ {
GLint attribute_v_coord = fgStructure.CurrentWindow->Window.attribute_v_coord; GLint attribute_v_coord = fgStructure.CurrentWindow->Window.attribute_v_coord;
GLint attribute_v_normal = fgStructure.CurrentWindow->Window.attribute_v_normal; GLint attribute_v_normal = fgStructure.CurrentWindow->Window.attribute_v_normal;
if (fgState.HasOpenGL20 && (attribute_v_coord != -1 || attribute_v_normal != -1)) if (fgState.HasOpenGL20 && (attribute_v_coord != -1 || attribute_v_normal != -1))
/* User requested a 2.0 draw */ /* User requested a 2.0 draw */
fghDrawGeometryWire20(vertices, normals, numFaces, numEdgePerFace, fghDrawGeometryWire20(vertices, normals,
vertIdxs, numParts, numVertPerPart, vertexMode,
vertIdxs2, numParts2, numVertPerPart2,
attribute_v_coord, attribute_v_normal); attribute_v_coord, attribute_v_normal);
#ifndef GL_ES_VERSION_2_0 #ifndef GL_ES_VERSION_2_0
else else
fghDrawGeometryWire11(vertices, normals, numFaces, numEdgePerFace); fghDrawGeometryWire11(vertices, normals,
vertIdxs, numParts, numVertPerPart, vertexMode,
vertIdxs2, numParts2, numVertPerPart2);
#endif #endif
} }
@ -158,9 +180,11 @@ static void fghDrawGeometryWire(GLfloat *vertices, GLfloat *normals, GLsizei num
/* Version for OpenGL (ES) 1.1 */ /* Version for OpenGL (ES) 1.1 */
#ifndef GL_ES_VERSION_2_0 #ifndef GL_ES_VERSION_2_0
static void fghDrawGeometrySolid11(GLfloat *vertices, GLfloat *normals, GLubyte *vertIdxs, static void fghDrawGeometrySolid11(GLfloat *vertices, GLfloat *normals, GLushort *vertIdxs,
GLsizei numVertices, GLsizei numVertIdxs) GLsizei numVertices, GLsizei numParts, GLsizei numVertIdxsPerPart)
{ {
int i;
glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY); glEnableClientState(GL_NORMAL_ARRAY);
@ -169,7 +193,11 @@ static void fghDrawGeometrySolid11(GLfloat *vertices, GLfloat *normals, GLubyte
if (vertIdxs == NULL) if (vertIdxs == NULL)
glDrawArrays(GL_TRIANGLES, 0, numVertices); glDrawArrays(GL_TRIANGLES, 0, numVertices);
else else
glDrawElements(GL_TRIANGLES, numVertIdxs, GL_UNSIGNED_BYTE, vertIdxs); if (numParts>1)
for (i=0; i<numParts; i++)
glDrawElements(GL_TRIANGLE_STRIP, numVertIdxsPerPart, GL_UNSIGNED_SHORT, vertIdxs+i*numVertIdxsPerPart);
else
glDrawElements(GL_TRIANGLES, numVertIdxsPerPart, GL_UNSIGNED_SHORT, vertIdxs);
glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY); glDisableClientState(GL_NORMAL_ARRAY);
@ -177,8 +205,8 @@ static void fghDrawGeometrySolid11(GLfloat *vertices, GLfloat *normals, GLubyte
#endif #endif
/* Version for OpenGL (ES) >= 2.0 */ /* Version for OpenGL (ES) >= 2.0 */
static void fghDrawGeometrySolid20(GLfloat *vertices, GLfloat *normals, GLubyte *vertIdxs, static void fghDrawGeometrySolid20(GLfloat *vertices, GLfloat *normals, GLushort *vertIdxs,
GLsizei numVertices, GLsizei numVertIdxs, GLsizei numVertices, GLsizei numParts, GLsizei numVertIdxsPerPart,
GLint attribute_v_coord, GLint attribute_v_normal) GLint attribute_v_coord, GLint attribute_v_normal)
{ {
GLuint vbo_coords = 0, vbo_normals = 0, ibo_elements = 0; GLuint vbo_coords = 0, vbo_normals = 0, ibo_elements = 0;
@ -200,7 +228,7 @@ static void fghDrawGeometrySolid20(GLfloat *vertices, GLfloat *normals, GLubyte
if (vertIdxs != NULL) { if (vertIdxs != NULL) {
fghGenBuffers(1, &ibo_elements); fghGenBuffers(1, &ibo_elements);
fghBindBuffer(FGH_ELEMENT_ARRAY_BUFFER, ibo_elements); fghBindBuffer(FGH_ELEMENT_ARRAY_BUFFER, ibo_elements);
fghBufferData(FGH_ELEMENT_ARRAY_BUFFER, numVertIdxs * sizeof(vertIdxs[0]), fghBufferData(FGH_ELEMENT_ARRAY_BUFFER, numVertIdxsPerPart * sizeof(vertIdxs[0]),
vertIdxs, FGH_STATIC_DRAW); vertIdxs, FGH_STATIC_DRAW);
} }
@ -234,7 +262,7 @@ static void fghDrawGeometrySolid20(GLfloat *vertices, GLfloat *normals, GLubyte
glDrawArrays(GL_TRIANGLES, 0, numVertices); glDrawArrays(GL_TRIANGLES, 0, numVertices);
} else { } else {
fghBindBuffer(FGH_ELEMENT_ARRAY_BUFFER, ibo_elements); fghBindBuffer(FGH_ELEMENT_ARRAY_BUFFER, ibo_elements);
glDrawElements(GL_TRIANGLES, numVertIdxs, GL_UNSIGNED_BYTE, 0); glDrawElements(GL_TRIANGLES, numVertIdxsPerPart, GL_UNSIGNED_SHORT, 0);
} }
/* Clean existing bindings before clean-up */ /* Clean existing bindings before clean-up */
@ -255,8 +283,8 @@ static void fghDrawGeometrySolid20(GLfloat *vertices, GLfloat *normals, GLubyte
fghDeleteBuffers(1, &ibo_elements); fghDeleteBuffers(1, &ibo_elements);
} }
static void fghDrawGeometrySolid(GLfloat *vertices, GLfloat *normals, GLubyte *vertIdxs, static void fghDrawGeometrySolid(GLfloat *vertices, GLfloat *normals, GLushort *vertIdxs,
GLsizei numVertices, GLsizei numVertIdxs) GLsizei numVertices, GLsizei numParts, GLsizei numVertIdxsPerPart)
{ {
GLint attribute_v_coord = fgStructure.CurrentWindow->Window.attribute_v_coord; GLint attribute_v_coord = fgStructure.CurrentWindow->Window.attribute_v_coord;
GLint attribute_v_normal = fgStructure.CurrentWindow->Window.attribute_v_normal; GLint attribute_v_normal = fgStructure.CurrentWindow->Window.attribute_v_normal;
@ -264,12 +292,12 @@ static void fghDrawGeometrySolid(GLfloat *vertices, GLfloat *normals, GLubyte *v
if (fgState.HasOpenGL20 && (attribute_v_coord != -1 || attribute_v_normal != -1)) if (fgState.HasOpenGL20 && (attribute_v_coord != -1 || attribute_v_normal != -1))
/* User requested a 2.0 draw */ /* User requested a 2.0 draw */
fghDrawGeometrySolid20(vertices, normals, vertIdxs, fghDrawGeometrySolid20(vertices, normals, vertIdxs,
numVertices, numVertIdxs, numVertices, numParts, numVertIdxsPerPart,
attribute_v_coord, attribute_v_normal); attribute_v_coord, attribute_v_normal);
#ifndef GL_ES_VERSION_2_0 #ifndef GL_ES_VERSION_2_0
else else
fghDrawGeometrySolid11(vertices, normals, vertIdxs, fghDrawGeometrySolid11(vertices, normals, vertIdxs,
numVertices, numVertIdxs); numVertices, numParts, numVertIdxsPerPart);
#endif #endif
} }
@ -283,7 +311,7 @@ static void fghDrawGeometrySolid(GLfloat *vertices, GLfloat *normals, GLubyte *v
static GLubyte vert4Decomp[6] = {0,1,2, 0,2,3}; /* quad : 4 input vertices, 6 output (2 triangles) */ static GLubyte vert4Decomp[6] = {0,1,2, 0,2,3}; /* quad : 4 input vertices, 6 output (2 triangles) */
static GLubyte vert5Decomp[9] = {0,1,2, 0,2,4, 4,2,3}; /* pentagon: 5 input vertices, 9 output (3 triangles) */ static GLubyte vert5Decomp[9] = {0,1,2, 0,2,4, 4,2,3}; /* pentagon: 5 input vertices, 9 output (3 triangles) */
static void fghGenerateGeometryWithIndexArray(int numFaces, int numEdgePerFace, GLfloat *vertices, GLubyte *vertIndices, GLfloat *normals, GLfloat *vertOut, GLfloat *normOut, GLubyte *vertIdxOut) static void fghGenerateGeometryWithIndexArray(int numFaces, int numEdgePerFace, GLfloat *vertices, GLubyte *vertIndices, GLfloat *normals, GLfloat *vertOut, GLfloat *normOut, GLushort *vertIdxOut)
{ {
int i,j,numEdgeIdxPerFace; int i,j,numEdgeIdxPerFace;
GLubyte *vertSamps = NULL; GLubyte *vertSamps = NULL;
@ -359,7 +387,7 @@ static void fghGenerateGeometry(int numFaces, int numEdgePerFace, GLfloat *verti
static GLboolean name##Cached = FALSE;\ static GLboolean name##Cached = FALSE;\
static GLfloat name##_verts[nameCaps##_VERT_ELEM_PER_OBJ];\ static GLfloat name##_verts[nameCaps##_VERT_ELEM_PER_OBJ];\
static GLfloat name##_norms[nameCaps##_VERT_ELEM_PER_OBJ];\ static GLfloat name##_norms[nameCaps##_VERT_ELEM_PER_OBJ];\
static GLubyte name##_vertIdxs[nameCaps##_VERT_PER_OBJ_TRI];\ static GLushort name##_vertIdxs[nameCaps##_VERT_PER_OBJ_TRI];\
static void fgh##nameICaps##Generate()\ static void fgh##nameICaps##Generate()\
{\ {\
fghGenerateGeometryWithIndexArray(nameCaps##_NUM_FACES, nameCaps##_NUM_EDGE_PER_FACE,\ fghGenerateGeometryWithIndexArray(nameCaps##_NUM_FACES, nameCaps##_NUM_EDGE_PER_FACE,\
@ -1174,12 +1202,13 @@ void fghGenerateTorus(
if (useWireMode)\ if (useWireMode)\
{\ {\
fghDrawGeometryWire (name##_verts,name##_norms,\ fghDrawGeometryWire (name##_verts,name##_norms,\
nameCaps##_NUM_FACES,nameCaps##_NUM_EDGE_PER_FACE);\ NULL,nameCaps##_NUM_FACES,nameCaps##_NUM_EDGE_PER_FACE,GL_LINE_LOOP,\
NULL,0,0);\
}\ }\
else\ else\
{\ {\
fghDrawGeometrySolid(name##_verts,name##_norms,vertIdxs,\ fghDrawGeometrySolid(name##_verts,name##_norms,vertIdxs,\
nameCaps##_VERT_PER_OBJ, nameCaps##_VERT_PER_OBJ_TRI); \ nameCaps##_VERT_PER_OBJ, 1, nameCaps##_VERT_PER_OBJ_TRI); \
}\ }\
} }
#define DECLARE_INTERNAL_DRAW(name,nameICaps,nameCaps) _DECLARE_INTERNAL_DRAW_DO_DECLARE(name,nameICaps,nameCaps,NULL) #define DECLARE_INTERNAL_DRAW(name,nameICaps,nameCaps) _DECLARE_INTERNAL_DRAW_DO_DECLARE(name,nameICaps,nameCaps,NULL)
@ -1217,10 +1246,11 @@ static void fghCube( GLfloat dSize, GLboolean useWireMode )
if (useWireMode) if (useWireMode)
fghDrawGeometryWire(vertices, cube_norms, fghDrawGeometryWire(vertices, cube_norms,
CUBE_NUM_FACES, CUBE_NUM_EDGE_PER_FACE); NULL,CUBE_NUM_FACES, CUBE_NUM_EDGE_PER_FACE,GL_LINE_LOOP,
NULL,0,0);
else else
fghDrawGeometrySolid(vertices, cube_norms, cube_vertIdxs, fghDrawGeometrySolid(vertices, cube_norms, cube_vertIdxs,
CUBE_VERT_PER_OBJ, CUBE_VERT_PER_OBJ_TRI); CUBE_VERT_PER_OBJ, 1, CUBE_VERT_PER_OBJ_TRI);
if (dSize!=1.f) if (dSize!=1.f)
/* cleanup allocated memory */ /* cleanup allocated memory */
@ -1259,9 +1289,11 @@ static void fghSierpinskiSponge ( int numLevels, double offset[3], GLfloat scale
/* Draw and cleanup */ /* Draw and cleanup */
if (useWireMode) if (useWireMode)
fghDrawGeometryWire (vertices,normals,numFace,TETRAHEDRON_NUM_EDGE_PER_FACE); fghDrawGeometryWire (vertices,normals,
NULL,numFace,TETRAHEDRON_NUM_EDGE_PER_FACE,GL_LINE_LOOP,
NULL,0,0);
else else
fghDrawGeometrySolid(vertices,normals,NULL,numVert,numVert); fghDrawGeometrySolid(vertices,normals,NULL,numVert,1,0);
free(vertices); free(vertices);
free(normals ); free(normals );
@ -1322,20 +1354,9 @@ static void fghSphere( double radius, GLint slices, GLint stacks, GLboolean useW
} }
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometryWire(vertices,normals,
glEnableClientState(GL_NORMAL_ARRAY); sliceIdx,slices,stacks+1,GL_LINE_STRIP,
stackIdx,stacks-1,slices);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw slices*/
for (i=0; i<slices; i++)
glDrawElements(GL_LINE_STRIP,stacks+1,GL_UNSIGNED_SHORT,sliceIdx+i*(stacks+1));
/*draw stacks*/
for (i=0; i<stacks-1; i++)
glDrawElements(GL_LINE_LOOP, slices,GL_UNSIGNED_SHORT,stackIdx+i*slices);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(sliceIdx); free(sliceIdx);
@ -1395,17 +1416,7 @@ static void fghSphere( double radius, GLint slices, GLint stacks, GLboolean useW
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometrySolid(vertices,normals,stripIdx,nVert,stacks,(slices+1)*2);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw stacks*/
for (i=0; i<stacks; i++)
glDrawElements(GL_TRIANGLE_STRIP,(slices+1)*2,GL_UNSIGNED_SHORT,stripIdx+i*(slices+1)*2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(stripIdx); free(stripIdx);
@ -1465,19 +1476,9 @@ static void fghCone( double base, double height, GLint slices, GLint stacks, GLb
} }
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometryWire(vertices,normals,
glEnableClientState(GL_NORMAL_ARRAY); sliceIdx,1,slices*2,GL_LINES,
stackIdx,stacks,slices);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw slices*/
glDrawElements(GL_LINES,slices*2,GL_UNSIGNED_SHORT,sliceIdx);
/*draw stacks*/
for (i=0; i<stacks; i++)
glDrawElements(GL_LINE_LOOP, slices,GL_UNSIGNED_SHORT,stackIdx+i*slices);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(sliceIdx); free(sliceIdx);
@ -1526,17 +1527,7 @@ static void fghCone( double base, double height, GLint slices, GLint stacks, GLb
} }
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometrySolid(vertices,normals,stripIdx,nVert,stacks+1,(slices+1)*2);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw stacks*/
for (i=0; i<stacks+1; i++)
glDrawElements(GL_TRIANGLE_STRIP,(slices+1)*2,GL_UNSIGNED_SHORT,stripIdx+i*(slices+1)*2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(stripIdx); free(stripIdx);
@ -1596,19 +1587,9 @@ static void fghCylinder( double radius, double height, GLint slices, GLint stack
} }
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometryWire(vertices,normals,
glEnableClientState(GL_NORMAL_ARRAY); sliceIdx,1,slices*2,GL_LINES,
stackIdx,stacks+1,slices);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw slices*/
glDrawElements(GL_LINES,slices*2,GL_UNSIGNED_SHORT,sliceIdx);
/*draw stacks*/
for (i=0; i<stacks+1; i++)
glDrawElements(GL_LINE_LOOP, slices,GL_UNSIGNED_SHORT,stackIdx+i*slices);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(sliceIdx); free(sliceIdx);
@ -1667,17 +1648,7 @@ static void fghCylinder( double radius, double height, GLint slices, GLint stack
stripIdx[idx+1] = nVert-1; /* repeat first slice's idx for closing off shape */ stripIdx[idx+1] = nVert-1; /* repeat first slice's idx for closing off shape */
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometrySolid(vertices,normals,stripIdx,nVert,stacks+2,(slices+1)*2);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw stacks*/
for (i=0; i<stacks+2; i++)
glDrawElements(GL_TRIANGLE_STRIP,(slices+1)*2,GL_UNSIGNED_SHORT,stripIdx+i*(slices+1)*2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(stripIdx); free(stripIdx);
@ -1728,20 +1699,9 @@ static void fghTorus( double dInnerRadius, double dOuterRadius, GLint nSides, GL
sideIdx[idx] = j * nSides + i; sideIdx[idx] = j * nSides + i;
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometryWire(vertices,normals,
glEnableClientState(GL_NORMAL_ARRAY); ringIdx,nRings,nSides,GL_LINE_LOOP,
sideIdx,nSides,nRings);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
/*draw rings*/
for( i=0; i<nSides; i++ )
glDrawElements(GL_LINE_LOOP,nRings,GL_UNSIGNED_SHORT,ringIdx+i*nRings);
/*draw sides*/
for (i=0; i<nRings; i++)
glDrawElements(GL_LINE_LOOP,nSides,GL_UNSIGNED_SHORT,sideIdx+i*nSides);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(sideIdx); free(sideIdx);
@ -1782,16 +1742,7 @@ static void fghTorus( double dInnerRadius, double dOuterRadius, GLint nSides, GL
} }
/* draw */ /* draw */
glEnableClientState(GL_VERTEX_ARRAY); fghDrawGeometrySolid(vertices,normals,stripIdx,nVert,nSides,(nRings+1)*2);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glNormalPointer(GL_FLOAT, 0, normals);
for (i=0; i<nSides; i++)
glDrawElements(GL_TRIANGLE_STRIP,(nRings+1)*2,GL_UNSIGNED_SHORT,stripIdx+i*(nRings+1)*2);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/* cleanup allocated memory */ /* cleanup allocated memory */
free(stripIdx); free(stripIdx);