EXTERN_C_ENTER
JNIEXPORT void JNICALL Java_org_lwjgl_opengles_NVReadBuffer_glReadBufferNV(JNIEnv *__env, jclass clazz, jint mode) {
glReadBufferNVPROC glReadBufferNV = (glReadBufferNVPROC)tlsGetFunction(745);
UNUSED_PARAM(clazz)
glReadBufferNV(mode);
}
bool SurfaceTextureBuffer::MakeCurrent(uint8 nFace)
{
// Check whether the data is valid and whether there's a texture buffer
if (m_cTextureBufferHandler.GetResource() && GetTextureBuffer()) {
// Set target face
if (GetTextureBuffer()->GetType() == PLRenderer::Resource::TypeTextureBufferCube)
m_nFace = nFace;
else
m_nFace = 0;
// Cleanup texture buffer handlers
for (uint32 i=0; i<m_lstTextureBufferHandler.GetNumOfElements(); i++)
delete m_lstTextureBufferHandler[i];
m_lstTextureBufferHandler.Clear();
// Add primary texture buffer handler
PLRenderer::ResourceHandler *pTextureBufferHandler = new PLRenderer::ResourceHandler();
pTextureBufferHandler->SetResource(m_cTextureBufferHandler.GetResource());
m_lstTextureBufferHandler.Add(pTextureBufferHandler);
// Frame buffer object used?
if (m_pFrameBufferObject && m_cTextureBufferHandler.GetResource()) {
m_pFrameBufferObject->SwitchTarget(static_cast<PLRenderer::TextureBuffer&>(*m_cTextureBufferHandler.GetResource()), 0, nFace);
m_pFrameBufferObject->Bind();
// Need rendering to depth only
PLRenderer::TextureBuffer::EPixelFormat nFormat = GetTextureBuffer()->GetFormat();
const Extensions &cExtensions = static_cast<Renderer&>(GetRenderer()).GetContext().GetExtensions();
if (nFormat == PLRenderer::TextureBuffer::D16 || nFormat == PLRenderer::TextureBuffer::D24 || nFormat == PLRenderer::TextureBuffer::D32) {
// "GL_NV_read_buffer"-extension available?
if (cExtensions.IsGL_NV_read_buffer())
glReadBufferNV(GL_NONE);
} else {
// "GL_ARB_draw_buffers" & "GL_NV_fbo_color_attachments" extensions available?
if (cExtensions.IsGL_ARB_draw_buffers() && cExtensions.IsGL_NV_fbo_color_attachments()) {
// Set draw buffers
static const GLenum db[16] = { GL_COLOR_ATTACHMENT0_NV, GL_COLOR_ATTACHMENT1_NV, GL_COLOR_ATTACHMENT2_NV, GL_COLOR_ATTACHMENT3_NV,
GL_COLOR_ATTACHMENT4_NV, GL_COLOR_ATTACHMENT5_NV, GL_COLOR_ATTACHMENT6_NV, GL_COLOR_ATTACHMENT7_NV,
GL_COLOR_ATTACHMENT8_NV, GL_COLOR_ATTACHMENT9_NV, GL_COLOR_ATTACHMENT10_NV, GL_COLOR_ATTACHMENT11_NV,
GL_COLOR_ATTACHMENT12_NV, GL_COLOR_ATTACHMENT13_NV, GL_COLOR_ATTACHMENT14_NV, GL_COLOR_ATTACHMENT15_NV};
glDrawBuffersARB(m_nMaxColorTargets, db);
}
}
}
// Enable/disable multisample - "shouldn't" have an effect when render to texture, but safe is safe :D
GetRenderer().SetRenderState(PLRenderer::RenderState::MultisampleEnable, !(GetFlags() & NoMultisampleAntialiasing));
// Done
return true;
}
// Error!
return false;
}
void AbstractFramebuffer::readBufferImplementationDefault(GLenum buffer) {
bindInternal(FramebufferTarget::Read);
#ifndef MAGNUM_TARGET_GLES2
glReadBuffer(buffer);
#elif !defined(CORRADE_TARGET_NACL)
glReadBufferNV(buffer);
#else
static_cast<void>(buffer);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
bool SurfaceTextureBuffer::UnmakeCurrent()
{
// Check whether the data is valid
if (!m_cTextureBufferHandler.GetResource())
return false; // Error!
Renderer &cRenderer = static_cast<Renderer&>(GetRenderer());
// Frame buffer object used?
if (m_pFrameBufferObject) {
m_pFrameBufferObject->Unbind();
// Try to build mipmaps automatically on the GPU?
if (GetFlags() & Mipmaps) {
PLRenderer::TextureBuffer *pTextureBuffer = cRenderer.GetTextureBuffer(0);
cRenderer.SetTextureBuffer(0, static_cast<PLRenderer::TextureBuffer*>(m_cTextureBufferHandler.GetResource()));
switch (m_cTextureBufferHandler.GetResource()->GetType()) {
case PLRenderer::Resource::TypeTextureBuffer2D:
glGenerateMipmap(GL_TEXTURE_2D);
break;
case PLRenderer::Resource::TypeTextureBufferCube:
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
break;
}
cRenderer.SetTextureBuffer(0, pTextureBuffer);
}
PLRenderer::TextureBuffer::EPixelFormat nFormat = GetTextureBuffer()->GetFormat();
if (nFormat == PLRenderer::TextureBuffer::D16 || nFormat == PLRenderer::TextureBuffer::D24 || nFormat == PLRenderer::TextureBuffer::D32) {
// "GL_NV_read_buffer"-extension available?
if (static_cast<Renderer&>(GetRenderer()).GetContext().GetExtensions().IsGL_NV_read_buffer())
glReadBufferNV(GL_NONE);
}
// Do only use glCopyTexSubImage2D()
} else if (m_lstTextureBufferHandler.GetNumOfElements()) {
PLRenderer::TextureBuffer *pTextureBuffer = static_cast<PLRenderer::TextureBuffer*>(m_lstTextureBufferHandler[0]->GetResource());
if (pTextureBuffer) {
cRenderer.MakeTextureBufferCurrent(*pTextureBuffer, 0);
switch (pTextureBuffer->GetType()) {
case PLRenderer::Resource::TypeTextureBuffer2D:
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, GetSize().x, GetSize().y);
break;
case PLRenderer::Resource::TypeTextureBufferCube:
glCopyTexSubImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X+m_nFace, 0, 0, 0, 0, 0, GetSize().x, GetSize().y);
break;
}
}
}
// Cleanup texture buffer handlers
for (uint32 i=0; i<m_lstTextureBufferHandler.GetNumOfElements(); i++)
delete m_lstTextureBufferHandler[i];
m_lstTextureBufferHandler.Clear();
// Reset target face
m_nFace = 0;
// Done
return true;
}
