EXTERN_C_ENTER
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTTextureArray_glFramebufferTextureLayerEXT(JNIEnv *__env, jclass clazz, jint target, jint attachment, jint texture, jint level, jint layer) {
glFramebufferTextureLayerEXTPROC glFramebufferTextureLayerEXT = (glFramebufferTextureLayerEXTPROC)tlsGetFunction(1813);
UNUSED_PARAM(clazz)
glFramebufferTextureLayerEXT(target, attachment, texture, level, layer);
}
void FramebufferObject::detachTexture(GLenum attachment) {
size_t index = decodeAttachment(attachment);
if (attachments_[index] != 0) {
switch (attachments_[index]->getType()) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, 0, 0);
break;
case GL_TEXTURE_2D_ARRAY:
glFramebufferTextureLayerEXT(GL_FRAMEBUFFER_EXT, attachment, 0, 0, 0);
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, 0, 0, 0);
break;
default: // GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_2D, 0, 0);
break;
}
attachments_[index] = 0;
LGL_ERROR;
if (index < CGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS)
--numColorAttachments_;
}
else {
LWARNING("Trying to detach unknown texture!");
}
}
void FramebufferObject::attachTexture(Texture* texture, GLenum attachment, int mipLevel, int zSlice)
{
switch(texture->getType()) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT( GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, texture->getId(), mipLevel );
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT( GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, texture->getId(), mipLevel, zSlice );
break;
case GL_TEXTURE_2D_ARRAY:
glFramebufferTextureLayerEXT( GL_FRAMEBUFFER_EXT, attachment, texture->getId(), mipLevel, zSlice );
break;
default: //GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE
glFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, attachment, texture->getType(), texture->getId(), mipLevel );
break;
}
LGL_ERROR;
size_t index = decodeAttachment(attachment);
attachments_[index] = texture;
if (index < CGT_FRAMEBUFFEROBJECT_MAX_SUPPORTED_COLOR_ATTACHMENTS)
++numColorAttachments_;
#ifdef CAMPVIS_DEBUG
this->isComplete();
#endif
}
void GLDepthRenderTarget::makeTargetLayer(int l) {
GLRenderTarget::makeTarget();
if(passes[0]->arrayTexture)
glFramebufferTextureLayerEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, passes[0]->texmaps[0], 0, l);
else
glFramebufferTexture(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, passes[0]->texmaps[0], 0);
#ifdef DEBUG
GLSL_catchLastError("GLDepthRenderTarget::makeTargetLayer");
#endif
}
inline void VL_glFramebufferTextureLayer(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer)
{
if (glFramebufferTextureLayer)
glFramebufferTextureLayer(target, attachment, texture, level, layer);
else
if (glFramebufferTextureLayerARB)
glFramebufferTextureLayerARB(target, attachment, texture, level, layer);
else
if (glFramebufferTextureLayerEXT)
glFramebufferTextureLayerEXT(target, attachment, texture, level, layer);
else
VL_UNSUPPORTED_FUNC();
}
void FramebufferObject::attachTexture(Texture* texture, GLenum attachment, int mipLevel, int zSlice)
{
switch (texture->getType()) {
case GL_TEXTURE_1D:
glFramebufferTexture1DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_1D, texture->getId(), mipLevel);
break;
case GL_TEXTURE_3D:
glFramebufferTexture3DEXT(GL_FRAMEBUFFER_EXT, attachment, GL_TEXTURE_3D, texture->getId(), mipLevel, zSlice);
break;
case GL_TEXTURE_2D_ARRAY_EXT:
glFramebufferTextureLayerEXT(GL_FRAMEBUFFER_EXT, attachment, texture->getId(), mipLevel, zSlice);
break;
default: //GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, attachment, texture->getType(), texture->getId(), mipLevel);
break;
}
attachedTextures_[attachment] = texture;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTGeometryShader4_nglFramebufferTextureLayerEXT(JNIEnv *env, jclass clazz, jint target, jint attachment, jint texture, jint level, jint layer, jlong function_pointer) {
glFramebufferTextureLayerEXTPROC glFramebufferTextureLayerEXT = (glFramebufferTextureLayerEXTPROC)((intptr_t)function_pointer);
glFramebufferTextureLayerEXT(target, attachment, texture, level, layer);
}
// here all shadow map textures and their corresponding matrices are created
void CShadowMap::MakeShadowMap( float cam_pos[3], float cam_view[3], float light_dir[4] )
{
glUseProgram(0);
g_render.m_useShader = CFalse;
glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
glPushAttrib(GL_VIEWPORT_BIT | GL_ENABLE_BIT );
float shad_modelview[16];
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
// since the shadow maps have only a depth channel, we don't need color computation
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
gluLookAt(0, 0, 0, -light_dir[0], -light_dir[1], -light_dir[2], 0.0f, 1.0f, 0.0f);
glGetFloatv(GL_MODELVIEW_MATRIX, shad_modelview);
// redirect rendering to the depth texture
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, depth_fb);
// and render only to the shadowmap
glViewport(0, 0, depth_size, depth_size);
// offset the geometry slightly to prevent z-fighting
// note that this introduces some light-leakage artifacts
glPolygonOffset( 1.0, 1024);
glEnable(GL_POLYGON_OFFSET_FILL);
//glCullFace( GL_FRONT );
// I assume that our objects are closed, so I don't disable face culling.
//glDisable(GL_CULL_FACE);
// compute the z-distances for each split as seen in camera space
UpdateSplitDist(f, g_shadowProperties.m_shadowNearClipPlane, g_shadowProperties.m_shadowFarClipPlane);
// for all shadow maps:
for(int i=0; i<cur_num_splits; i++)
{
// compute the camera frustum slice boundary points in world space
UpdateFrustumPoints(f[i], vec3f(cam_pos), vec3f(cam_view));
// adjust the view frustum of the light, so that it encloses the camera frustum slice fully.
// note that this function sets the projection matrix as it sees best fit
// minZ is just for optimization to cull trees that do not affect the shadows
float minZ = ApplyCropMatrix(f[i]);
// make the current depth map a rendering target
glFramebufferTextureLayerEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, depth_tex_ar, 0, i);
// clear the depth texture from last time
glClear(GL_DEPTH_BUFFER_BIT);
for( CUInt j = 0 ; j < g_scene.size(); j++ )
{
g_render.SetScene( g_scene[j] );
if( !g_render.GetScene()->m_isTrigger /*&& g_render.GetScene()->m_hasAnimation*/ )
{
//g_render.GetScene()->Update();
g_render.GetScene()->RenderAnimatedModels(CFalse);
g_render.GetScene()->Render(CFalse);
}
if( !g_render.GetScene()->m_isTrigger )
{
//g_render.GetScene()->Update();
g_render.GetScene()->RenderModelsControlledByPhysX(CFalse);
}
}
glMatrixMode(GL_PROJECTION);
// store the product of all shadow matries for later
glMultMatrixf(shad_modelview);
glGetFloatv(GL_PROJECTION_MATRIX, shad_cpm[i]);
}
glDisable(GL_POLYGON_OFFSET_FILL);
glCullFace( GL_BACK );
glPopAttrib();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
