MeshComponent::~MeshComponent()
{
glDeleteVertexArrays(1, &vertexArray);
glDeleteBuffers(1, &m_vertexBuffer);
if(glIsTexture(meshTexture) == GL_TRUE)
glDeleteTextures(1, &meshTexture);
if(glIsSampler(meshSampler) == GL_TRUE)
glDeleteSamplers(1, &meshSampler);
}
extern void
free_sampler(SAMPLER *sampler) {
assert(sampler != NULL);
#ifndef GL_ES_VERSION_2_0
if(glIsSampler(sampler->id))
glDeleteSamplers(1, &sampler->id);
#endif // NO GL_ES_VERSION_2_0
sampler->id = 0;
sampler->usage = 0;
}
void Mesh::loadTexture(const std::string &path)
{
if(glIsTexture(m_meshTexture) == GL_FALSE)
glGenTextures(1, &m_meshTexture);
if(glIsSampler(m_meshSampler) == GL_FALSE)
glGenSamplers(1, &m_meshSampler);
// Setup sampler data
glSamplerParameteri(m_meshSampler, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glSamplerParameteri(m_meshSampler, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glSamplerParameteri(m_meshSampler, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(m_meshSampler, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
SDL_Surface* surface = IMG_Load(path.c_str());
GLint readFormat = GL_RGB;
if(surface->format->BytesPerPixel == 4)
{
if(surface->format->Rmask == 0xFF)
readFormat = GL_RGBA;
else if(surface->format->Bmask == 0xFF)
readFormat = GL_BGRA;
}
else if(surface->format->BytesPerPixel == 3)
{
if(surface->format->Rmask == 0xFF)
readFormat = GL_RGB;
else if(surface->format->Bmask == 0xFF)
readFormat = GL_BGR;
}
if(surface->format->Rmask)
GLfloat texDat[] =
{
1.f,1.f,1.f,1.f,
0.f,1.f, 0.f, 1.f,
1.f,1.f,1.f,1.f,
0.f,1.f, 0.f, 1.f,
};
// Setup texture data
glBindTexture(GL_TEXTURE_2D, m_meshTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, surface->w, surface->h, 0, readFormat, GL_UNSIGNED_BYTE, surface->pixels);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
glBindTexture(GL_TEXTURE_2D, 0);
SDL_FreeSurface(surface);
}
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_GL33_nglIsSampler(JNIEnv *__env, jclass clazz, jint sampler, jlong __functionAddress) {
glIsSamplerPROC glIsSampler = (glIsSamplerPROC)(intptr_t)__functionAddress;
UNUSED_PARAMS(__env, clazz)
return (jboolean)glIsSampler(sampler);
}
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_ARBSamplerObjects_glIsSampler(JNIEnv *__env, jclass clazz, jint sampler) {
glIsSamplerPROC glIsSampler = (glIsSamplerPROC)tlsGetFunction(670);
UNUSED_PARAM(clazz)
return (jboolean)glIsSampler(sampler);
}
