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git-svn-id: svn://db.shs.com.ru/libs@44 a8b55f48-bf90-11e4-a774-851b48703e85

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This commit is contained in:
Пелипенко Иван
2015-11-20 21:19:36 +00:00
parent cabaead1c6
commit 104a7f99ad
48 changed files with 1973 additions and 1273 deletions
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97
qglview/glvbo.cpp
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@@ -21,6 +21,7 @@
GLVBO::GLVBO(GLenum usage_) {
buffer_ = 0;
va_ = 0;
usage = usage_;
changed = true;
}
@@ -32,12 +33,20 @@ GLVBO::~GLVBO() {
void GLVBO::init() {
if (!isIinit())
if (!isIinit()) {
//glGenVertexArrays(1, &va_);
glGenBuffers(1, &buffer_);
}
changed = true;
}
void GLVBO::destroy() {
deleteGLBuffer(buffer_);
//deleteGLVertexArray(va_);
}
bool GLVBO::rebuffer(bool clear_) {
QVector<GLfloat> data;
//data.clear();
@@ -54,9 +63,12 @@ bool GLVBO::rebuffer(bool clear_) {
data << colors_;
has_colors = true;
} else has_colors = false;
//glBindVertexArray(va_);
//qDebug() << "load buffer" << data.size() << buffer_;
glBindBuffer(GL_ARRAY_BUFFER, buffer_);
glBufferData(GL_ARRAY_BUFFER, data.size() * sizeof(GLfloat), data.constData(), usage);
glBindBuffer(GL_ARRAY_BUFFER, 0);
//glBindVertexArray(0);
vert_count = vertices_.size() / 3;
changed = false;
//qDebug() << "rebuff" << buffer_ << vert_count;
@@ -65,35 +77,76 @@ bool GLVBO::rebuffer(bool clear_) {
}
void GLVBO::draw(GLenum type, bool simplest) {
void GLVBO::draw(GLenum type, QGLShaderProgram * prog, bool simplest) {
if (buffer_ == 0 || vert_count == 0) return;
if (changed) rebuffer();
//qDebug() << "draw" << vert_count;
void * offset = (void*)(vert_count * 3 * sizeof(GLfloat));
//glBindVertexArray(va_);
void * offsets[3] = {0, 0, 0};
if (has_normals) {
offsets[0] = offset;
offset = (void*)(llong(offset) + vert_count * 3 * sizeof(GLfloat));
}
if (has_texcoords) {
offsets[1] = offset;
offset = (void*)(llong(offset) + vert_count * 2 * sizeof(GLfloat));
}
if (has_colors) {
offsets[2] = offset;
}
glBindBuffer(GL_ARRAY_BUFFER, buffer_);
glMultiTexCoord3f(GL_TEXTURE2, 0.f, 1.f, 0.f);
glVertexPointer(3, GL_FLOAT, 0, 0);
if (!simplest) {
if (prog) {
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
int loc = prog->attributeLocation("_qgl_Vertex");
glEnableVertexAttribArray(loc);
glVertexAttribPointer(loc, 3, GL_FLOAT, 0, 0, 0);
loc = prog->attributeLocation("qgl_Normal");
if (has_normals) {
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_FLOAT, 0, offset);
offset = (void*)(llong(offset) + vert_count * 3 * sizeof(GLfloat));
} else glDisableClientState(GL_NORMAL_ARRAY);
glEnableVertexAttribArray(loc);
glVertexAttribPointer(loc, 3, GL_FLOAT, 0, 0, offsets[0]);
} else
glDisableVertexAttribArray(loc);
loc = prog->attributeLocation("qgl_Texture");
if (has_texcoords) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, offset);
offset = (void*)(llong(offset) + vert_count * 2 * sizeof(GLfloat));
} else glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableVertexAttribArray(loc);
glVertexAttribPointer(loc, 2, GL_FLOAT, 0, 0, offsets[1]);
} else
glDisableVertexAttribArray(loc);
loc = prog->attributeLocation("qgl_Color");
if (has_colors) {
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(4, GL_FLOAT, 0, offset);
} else glDisableClientState(GL_COLOR_ARRAY);
}/* else {
glDisable(GL_NORMAL_ARRAY);
glDisable(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_COLOR_ARRAY);
}*/
glEnableVertexAttribArray(loc);
glVertexAttribPointer(loc, 4, GL_FLOAT, 0, 0, offsets[2]);
} else
glDisableVertexAttribArray(loc);
} else {
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, 0);
if (!simplest) {
if (has_normals) {
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_FLOAT, 0, offset);
offset = (void*)(llong(offset) + vert_count * 3 * sizeof(GLfloat));
} else glDisableClientState(GL_NORMAL_ARRAY);
if (has_texcoords) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, offset);
offset = (void*)(llong(offset) + vert_count * 2 * sizeof(GLfloat));
} else glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (has_colors) {
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(4, GL_FLOAT, 0, offset);
} else glDisableClientState(GL_COLOR_ARRAY);
}
}
//qDebug() << "draw" << vert_count << buffer_ << offsets[0] << offsets[1] << offsets[3];
glDrawArrays(type, 0, vert_count);
//qDebug() << "draw" << vert_count << buffer_ << "done";
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
@@ -138,4 +191,4 @@ bool GLVBO::loadFromFile(const QString & filename) {
return !isEmpty();
}
return false;
}
}