15 #include "glxGraphicsBuffer.h" 16 #include "glxGraphicsStateGuardian.h" 17 #include "config_glxdisplay.h" 18 #include "glxGraphicsPipe.h" 20 #include "graphicsPipe.h" 22 #include "pStatTimer.h" 39 GraphicsBuffer(engine, pipe, name, fb_prop, win_prop, flags, gsg, host)
42 DCAST_INTO_V(glx_pipe, _pipe);
48 _screenshot_buffer_type = _draw_buffer_type;
57 ~glxGraphicsBuffer() {
58 nassertv(_pbuffer == None);
72 PStatTimer timer(_make_current_pcollector, current_thread);
74 begin_frame_spam(mode);
81 DCAST_INTO_R(glxgsg, _gsg,
false);
82 glXMakeCurrent(_display, _pbuffer, glxgsg->_context);
88 glxgsg->reset_if_new();
90 if (mode == FM_render) {
92 for (
size_t i = 0; i != cdata->_textures.size(); ++i) {
93 const RenderTexture &rt = cdata->_textures[i];
94 RenderTextureMode rtm_mode = rt._rtm_mode;
95 if (rtm_mode == RTM_bind_or_copy) {
96 CDWriter cdataw(_cycler, cdata,
false);
97 nassertr(cdata->_textures.size() == cdataw->_textures.size(),
false);
98 cdataw->_textures[i]._rtm_mode = RTM_copy_texture;
101 clear_cube_map_selection();
105 return _gsg->begin_frame(current_thread);
117 end_frame_spam(mode);
120 if (mode == FM_render) {
124 _gsg->end_frame(current_thread);
126 if (mode == FM_render) {
128 clear_cube_map_selection();
138 void glxGraphicsBuffer::
141 glXMakeCurrent(_display, None, NULL);
143 if (_pbuffer != None) {
145 DCAST_INTO_V(glxgsg, _gsg);
146 glxgsg->_glXDestroyPbuffer(_display, _pbuffer);
164 bool glxGraphicsBuffer::
167 DCAST_INTO_R(glx_pipe, _pipe,
false);
179 DCAST_INTO_R(glxgsg, _gsg,
false);
181 if (!glxgsg->_context_has_pbuffer ||
190 if (glxgsg->_fbconfig == None || !glxgsg->_context_has_pbuffer) {
196 nassertr(glxgsg->_supports_pbuffer,
false);
198 static const int max_attrib_list = 32;
199 int attrib_list[max_attrib_list];
202 if (glxgsg->_uses_sgix_pbuffer) {
204 nassertr(n < max_attrib_list,
false);
205 attrib_list[n] = (int)None;
206 _pbuffer = glxgsg->_glXCreateGLXPbufferSGIX(glxgsg->_display, glxgsg->_fbconfig,
211 attrib_list[n++] = GLX_PBUFFER_WIDTH;
213 attrib_list[n++] = GLX_PBUFFER_HEIGHT;
216 nassertr(n < max_attrib_list,
false);
217 attrib_list[n] = (int)None;
218 _pbuffer = glxgsg->_glXCreatePbuffer(glxgsg->_display, glxgsg->_fbconfig,
222 if (_pbuffer == None) {
223 glxdisplay_cat.error()
224 <<
"failed to create GLX pbuffer.\n";
228 glXMakeCurrent(_display, _pbuffer, glxgsg->_context);
229 glxgsg->reset_if_new();
230 if (!glxgsg->is_valid()) {
235 (_fb_properties, glxgsg->get_gl_renderer())) {
This graphics pipe represents the interface for creating OpenGL graphics windows on an X-based (e...
A tiny specialization on GLGraphicsStateGuardian to add some glx-specific information.
void choose_pixel_format(const FrameBufferProperties &properties, X11_Display *_display, int _screen, bool need_pbuffer, bool need_pixmap)
Selects a visual or fbconfig for all the windows and buffers that use this gsg.
const FrameBufferProperties & get_fb_properties() const
Gets the FrameBufferProperties for all windows and buffers that use this GSG.
int get_y_size() const
Returns the visible height of the window or buffer, if it is known.
A lightweight class that can be used to automatically start and stop a PStatCollector around a sectio...
A container for the various kinds of properties we might ask to have on a graphics window before we o...
virtual bool begin_frame(FrameMode mode, Thread *current_thread)
This function will be called within the draw thread before beginning rendering for a given frame...
An offscreen buffer for rendering into.
int get_screen() const
Returns the X screen number associated with the pipe.
An object to create GraphicsOutputs that share a particular 3-D API.
This template class calls PipelineCycler::read() in the constructor and PipelineCycler::release_read(...
bool verify_hardware_software(const FrameBufferProperties &props, const string &renderer) const
Validates that the properties represent the desired kind of renderer (hardware or software)...
X11_Display * get_display() const
Returns a pointer to the X display associated with the pipe: the display on which to create the windo...
This template class calls PipelineCycler::write() in the constructor and PipelineCycler::release_writ...
This is a base class for the various different classes that represent the result of a frame of render...
int get_x_size() const
Returns the visible width of the window or buffer, if it is known.
A thread; that is, a lightweight process.
Encapsulates all the communication with a particular instance of a given rendering backend...
bool subsumes(const FrameBufferProperties &other) const
Returns true if this set of properties makes strictly greater or equal demands of the framebuffer tha...
This class is the main interface to controlling the render process.
virtual void end_frame(FrameMode mode, Thread *current_thread)
This function will be called within the draw thread after rendering is completed for a given frame...
TypeHandle is the identifier used to differentiate C++ class types.
A container for the various kinds of properties we might ask to have on a graphics frameBuffer before...
const FrameBufferProperties & get_fb_properties() const
Returns the framebuffer properties of the window.