EXTERN_C_ENTER
JNIEXPORT void JNICALL Java_org_lwjgl_opengles_EXTBufferStorage_nglBufferStorageEXT__IJJI(JNIEnv *__env, jclass clazz, jint target, jlong size, jlong dataAddress, jint flags) {
glBufferStorageEXTPROC glBufferStorageEXT = (glBufferStorageEXTPROC)tlsGetFunction(394);
intptr_t data = (intptr_t)dataAddress;
UNUSED_PARAM(clazz)
glBufferStorageEXT(target, (intptr_t)size, data, flags);
}
void OGLESGraphicsBuffer::CreateHWResource(void const * data)
{
BOOST_ASSERT(0 == vb_);
glGenBuffers(1, &vb_);
GLbitfield flags = 0;
if (glloader_GLES_EXT_buffer_storage())
{
if (BU_Dynamic == usage_)
{
flags |= GL_DYNAMIC_STORAGE_BIT_EXT;
}
}
if (access_hint_ & EAH_CPU_Read)
{
flags |= GL_MAP_READ_BIT;
}
else if (access_hint_ & EAH_CPU_Write)
{
flags |= GL_MAP_WRITE_BIT;
}
OGLESRenderEngine& re = *checked_cast<OGLESRenderEngine*>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
re.BindBuffer(target_, vb_);
if (glloader_GLES_EXT_buffer_storage())
{
glBufferStorageEXT(target_, static_cast<GLsizeiptr>(size_in_byte_), data, flags);
}
else
{
glBufferData(target_,
static_cast<GLsizeiptr>(size_in_byte_), data,
(BU_Static == usage_) ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW);
}
if (data != nullptr)
{
buf_data_.assign(static_cast<uint8_t const *>(data),
static_cast<uint8_t const *>(data) + size_in_byte_);
}
else
{
buf_data_.resize(size_in_byte_);
}
if ((access_hint_ & EAH_GPU_Read) && (fmt_as_shader_res_ != EF_Unknown))
{
GLint internal_fmt;
GLenum gl_fmt;
GLenum gl_type;
OGLESMapping::MappingFormat(internal_fmt, gl_fmt, gl_type, fmt_as_shader_res_);
glGenTextures(1, &tex_);
// TODO: It could affect the texture binding cache in OGLESRenderEngine
if (glloader_GLES_VERSION_3_2())
{
glBindTexture(GL_TEXTURE_BUFFER, tex_);
glTexBuffer(GL_TEXTURE_BUFFER, internal_fmt, vb_);
glBindTexture(GL_TEXTURE_BUFFER, 0);
}
else if (glloader_GLES_OES_texture_buffer())
{
glBindTexture(GL_TEXTURE_BUFFER_OES, tex_);
glTexBufferOES(GL_TEXTURE_BUFFER_OES, internal_fmt, vb_);
glBindTexture(GL_TEXTURE_BUFFER_OES, 0);
}
else if (glloader_GLES_EXT_texture_buffer())
{
glBindTexture(GL_TEXTURE_BUFFER_EXT, tex_);
glTexBufferEXT(GL_TEXTURE_BUFFER_EXT, internal_fmt, vb_);
glBindTexture(GL_TEXTURE_BUFFER_EXT, 0);
}
}
}
