void cxSpriteDraw(cxAny pview)
{
cxSprite this = pview;
CX_RETURN(this->texture == NULL);
cxSpriteBindTexture(pview);
cxOpenGLActiveAttribs(cxVertexAttribFlagPosColorTex);
glVertexAttribPointer(cxVertexAttribPosition, 3, GL_FLOAT, GL_FALSE, sizeof(cxVec3f), &this->vbox);
glVertexAttribPointer(cxVertexAttribTexcoord, 2, GL_FLOAT, GL_FALSE, sizeof(cxTex2f), &this->tbox);
glVertexAttribPointer(cxVertexAttribColor, 4, GL_FLOAT, GL_FALSE, sizeof(cxColor4f), &this->cbox);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
void cxSpriteDraw(cxAny pview)
{
cxSprite this = pview;
CX_RETURN(this->texture == NULL);
cxOpenGLSetBlendFactor(this->sfactor, this->dfactor);
cxShaderUsing(this->shader,this->texture->isAtlas);
cxTextureBind(this->texture);
cxOpenGLActiveAttribs(cxVertexAttribFlagPosColorTex);
glVertexAttribPointer(cxVertexAttribPosition, 3, GL_FLOAT, GL_FALSE, sizeof(cxVec3f), &this->vbox);
glVertexAttribPointer(cxVertexAttribTexcoord, 2, GL_FLOAT, GL_FALSE, sizeof(cxTexCoord2f), &this->tbox);
glVertexAttribPointer(cxVertexAttribColor, 4, GL_FLOAT, GL_FALSE, sizeof(cxColor4f), &this->cbox);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
static void cxAtlasVBODraw(cxAny pview)
{
cxAtlas this = pview;
glBindBuffer(GL_ARRAY_BUFFER, this->vboid[0]);
if (this->isDirty){
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(cxBoxPoint) * this->number, this->boxes);
this->isDirty = false;
}
cxOpenGLActiveAttribs(cxVertexAttribFlagPosColorTex);
glVertexAttribPointer(cxVertexAttribPosition, 3, GL_FLOAT, GL_FALSE, sizeof(cxPoint), (GLvoid*)offsetof(cxPoint, vertices));
glVertexAttribPointer(cxVertexAttribTexcoord, 2, GL_FLOAT, GL_FALSE, sizeof(cxPoint), (GLvoid*)offsetof(cxPoint, texcoords));
glVertexAttribPointer(cxVertexAttribColor, 4, GL_FLOAT, GL_FALSE, sizeof(cxPoint), (GLvoid*)offsetof(cxPoint, colors));
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->vboid[1]);
glDrawElements(GL_TRIANGLES, (GLsizei)this->number*6, GL_UNSIGNED_SHORT, (GLvoid*)NULL);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}