#include <GL/freeglut.h>
#include "fg_internal.h"
#include "fg_gl2.h"
+#include <math.h>
/*
* Need more types of polyhedra? See CPolyhedron in MRPT
if (numVertices > 0 && attribute_v_coord != -1) {
fghGenBuffers(1, &vbo_coords);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_coords);
- fghBufferData(GL_ARRAY_BUFFER, numVertices * 3 * sizeof(vertices[0]),
- vertices, GL_STATIC_DRAW);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_coords);
+ fghBufferData(FGH_ARRAY_BUFFER, numVertices * 3 * sizeof(vertices[0]),
+ vertices, FGH_STATIC_DRAW);
}
if (numVertices > 0 && attribute_v_normal != -1) {
fghGenBuffers(1, &vbo_normals);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_normals);
- fghBufferData(GL_ARRAY_BUFFER, numVertices * 3 * sizeof(normals[0]),
- normals, GL_STATIC_DRAW);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_normals);
+ fghBufferData(FGH_ARRAY_BUFFER, numVertices * 3 * sizeof(normals[0]),
+ normals, FGH_STATIC_DRAW);
}
if (vbo_coords) {
fghEnableVertexAttribArray(attribute_v_coord);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_coords);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_coords);
fghVertexAttribPointer(
attribute_v_coord, // attribute
3, // number of elements per vertex, here (x,y,z)
if (vbo_normals) {
fghEnableVertexAttribArray(attribute_v_normal);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_normals);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_normals);
fghVertexAttribPointer(
attribute_v_normal, // attribute
3, // number of elements per vertex, here (x,y,z)
if (numVertices > 0 && attribute_v_coord != -1) {
fghGenBuffers(1, &vbo_coords);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_coords);
- fghBufferData(GL_ARRAY_BUFFER, numVertices * 3 * sizeof(vertices[0]),
- vertices, GL_STATIC_DRAW);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_coords);
+ fghBufferData(FGH_ARRAY_BUFFER, numVertices * 3 * sizeof(vertices[0]),
+ vertices, FGH_STATIC_DRAW);
}
if (numVertices > 0 && attribute_v_normal != -1) {
fghGenBuffers(1, &vbo_normals);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_normals);
- fghBufferData(GL_ARRAY_BUFFER, numVertices * 3 * sizeof(normals[0]),
- normals, GL_STATIC_DRAW);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_normals);
+ fghBufferData(FGH_ARRAY_BUFFER, numVertices * 3 * sizeof(normals[0]),
+ normals, FGH_STATIC_DRAW);
}
if (vertIdxs != NULL) {
fghGenBuffers(1, &ibo_elements);
- fghBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_elements);
- fghBufferData(GL_ELEMENT_ARRAY_BUFFER, numVertIdxs * sizeof(vertIdxs[0]),
- vertIdxs, GL_STATIC_DRAW);
+ fghBindBuffer(FGH_ELEMENT_ARRAY_BUFFER, ibo_elements);
+ fghBufferData(FGH_ELEMENT_ARRAY_BUFFER, numVertIdxs * sizeof(vertIdxs[0]),
+ vertIdxs, FGH_STATIC_DRAW);
}
if (vbo_coords) {
fghEnableVertexAttribArray(attribute_v_coord);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_coords);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_coords);
fghVertexAttribPointer(
attribute_v_coord, // attribute
3, // number of elements per vertex, here (x,y,z)
if (vbo_normals) {
fghEnableVertexAttribArray(attribute_v_normal);
- fghBindBuffer(GL_ARRAY_BUFFER, vbo_normals);
+ fghBindBuffer(FGH_ARRAY_BUFFER, vbo_normals);
fghVertexAttribPointer(
attribute_v_normal, // attribute
3, // number of elements per vertex, here (x,y,z)
if (vertIdxs == NULL) {
glDrawArrays(GL_TRIANGLES, 0, numVertices);
} else {
- fghBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_elements);
+ fghBindBuffer(FGH_ELEMENT_ARRAY_BUFFER, ibo_elements);
glDrawElements(GL_TRIANGLES, numVertIdxs, GL_UNSIGNED_BYTE, 0);
}
#include "fg_internal.h"
#include "fg_gl2.h"
-void glutSetVertexAttribCoord3(GLint attrib) {
+void FGAPIENTRY glutSetVertexAttribCoord3(GLint attrib) {
if (fgStructure.CurrentWindow != NULL)
fgStructure.CurrentWindow->Window.attribute_v_coord = attrib;
}
-void glutSetVertexAttribNormal(GLint attrib) {
+void FGAPIENTRY glutSetVertexAttribNormal(GLint attrib) {
if (fgStructure.CurrentWindow != NULL)
fgStructure.CurrentWindow->Window.attribute_v_normal = attrib;
}
-typedef void (APIENTRY *PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
-typedef void (APIENTRY *PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
-typedef void (APIENTRY *PFNGLBUFFERDATAPROC) (GLenum target, fghGLsizeiptr size, const GLvoid *data, GLenum usage);
-typedef void (APIENTRY *PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint* buffers);
-typedef void (APIENTRY *PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
-typedef void (APIENTRY *PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint);
-typedef void (APIENTRY *PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
-
-PFNGLGENBUFFERSPROC fghGenBuffers = NULL;
-PFNGLDELETEBUFFERSPROC fghDeleteBuffers = NULL;
-PFNGLBINDBUFFERPROC fghBindBuffer = NULL;
-PFNGLBUFFERDATAPROC fghBufferData = NULL;
-PFNGLENABLEVERTEXATTRIBARRAYPROC fghEnableVertexAttribArray = NULL;
-PFNGLDISABLEVERTEXATTRIBARRAYPROC fghDisableVertexAttribArray = NULL;
-PFNGLVERTEXATTRIBPOINTERPROC fghVertexAttribPointer = NULL;
-
void fgInitGL2() {
fgState.HasOpenGL20 = 0;
#define CHECK(func, a) if ((a) == NULL) { fgWarning("fgInitGL2: " func " is NULL"); return; }