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75 commits

Author SHA1 Message Date
Magnus Norddahl
ecb57d6cd9 Merge remote-tracking branch 'gzdoom/master' into ssao 
# Conflicts:
#	src/gl/renderer/gl_renderer.cpp
#	src/gl/scene/gl_scene.cpp
#	src/gl/shaders/gl_shader.cpp
#	wadsrc/static/language.enu
#	wadsrc/static/menudef.zz
 2016-10-04 00:01:03 +02:00
Christoph Oelckers
4eb5f10b02 - use normals to have proper light attenuation. So far only implemented for walls and flats. Models are planned but need some thinking about how to efficiently collect all required lights for an object. 2016-10-03 16:09:32 +02:00
Christoph Oelckers
750c194959 - changed order of SwapBuffers and glFinish call. The new order with glFinish coming last is recommended by OpenGL and it fixes a stalling problem with portals and camera textures visible at the same time. 
- check and use WGL_EXT_swap_control_tear extension. The above change makes the system always wait for a full vsync with a wglSwapInterval of 1, so it now uses the official extension that enables adaptive vsync. Hopefully this also works on the cards where the old setup did not.
 2016-09-26 01:38:25 +02:00
Magnus Norddahl
e025f6e54b Mark portals in scene alpha channel for the SSAO pass 2016-09-25 00:22:31 +02:00
Christoph Oelckers
8b6e09ca09 - changed the license of the OpenGL renderer to LGPL v3. 
This was done to clean up the license and to ensure that any commercial fork of the engine has to obey the far stricter requirements concerning source distribution. The old license was compatible with GPLv2 whereas combining GPLv2 and LGPLv3 force a license upgrade to GPLv3. The license of code that originates from ZDoomGL has not been changed.
 2016-09-14 20:01:13 +02:00
Christoph Oelckers
a5c0f9a548 - use the predefined fullscreen vertices for clearing a portal instead of using the quad drawer. 2016-09-06 11:58:22 +02:00
Christoph Oelckers
217601f338 - fixed: FPortal::ClearScreen may not use the 2D drawing code anymore. 
2D calls are accumulated and then executed all at once at the end of the frame, but this one needs to be interleaved with the 3D rendering. It now uses the quad drawer to fill the portal with blackness.
 2016-09-04 01:46:29 +02:00
Christoph Oelckers
0f0dc2c852 - implemented buffers for GL 3.x. These only get mapped during the data collection pass so the order of some things is different here. 2016-08-29 10:43:03 +02:00
Christoph Oelckers
c9578ae72d - create vertex buffer data for horizon portals in the constructor instead of in the draw function. 
This was the last remaining place where the vertex buffer was accessed in the render pass.
 2016-08-26 18:18:50 +02:00
Christoph Oelckers
b83c2056a8 - store the stencil caps in the reserved part of the main vertex buffer instead of constantly recreating them. 2016-08-26 00:01:51 +02:00
Christoph Oelckers
8f331f56e2 - use MakeVertices directly in the portal code and remove all related code from RenderWall. 2016-08-25 23:02:43 +02:00
Christoph Oelckers
4e8a96aa0e - removed FRenderState::set2DMode because it had no effect. This looks like development garbage from old times. 2016-08-14 09:14:26 +02:00
Christoph Oelckers
54a120d612 - do not process subsectors if rendering a stacked sector portal and the clipper is set to 'blocked', i.e. no visible parts are present. 
This solves the most severe occurences of sprites being drawn in front of a portal's contents. It is not a full fix, though, there's still some extreme cases where portals may glitch if some stuff gets between the camera and the actual portal area.
Normally this has to perform a full check of the subsector against the portal's camera-facing linedefs but that's too costly for those rare cases where it may be an issue.
 2016-07-23 10:23:34 +02:00
Christoph Oelckers
d405cf5b7c - fixed: Before rendering a sector stack portal the clipper needs to be completely filled, if the view point's subsector is not inside the portal. If this is not done, some setups where a recursive look into the originating area is possible may exhibit some issues. 2016-07-23 09:47:14 +02:00
Christoph Oelckers
7b99c883e1 - use the exact same semantics and methods to handle player visibility as in the software renderer. 
This fixes invisible player sprites in recursive line portals.
 2016-06-18 12:14:20 +02:00
Christoph Oelckers
d84e079282 - render partial sprites oon the back side of a portal for actors in front of it. This is needed because the stencil will clip away those parts. 2016-04-30 16:57:53 +02:00
Christoph Oelckers
70bf649364 - added clip planes for line portals and mirrors. This should eliminate the remaining problems with some visible geometry in front of the portal, it is also necessary to handle sprite splitting across line portals properly. 2016-04-29 12:26:57 +02:00
Christoph Oelckers
21283b18f4 - preparations for using clip planes on line portals. 2016-04-29 01:48:06 +02:00
Christoph Oelckers
09f54b0940 - cleaned up the clip plane management for portals. 
Unfortunately the math behind the old clip planes is utterly impenetrable and so poorly documented that I have no idea how to set that up, so it is deactivated for now. It wasn't working anyway.
 2016-04-27 00:41:00 +02:00
Christoph Oelckers
1c7b512cc0 - GL handling of new portal data organization. 
This also fixes some oversights with plane and horizon portals which were included in several checks.
 2016-04-20 20:08:53 +02:00
Christoph Oelckers
1f32f5a258 - some minor fixing and cleanup on gL portal code. 2016-04-20 11:39:41 +02:00
Christoph Oelckers
0a35027f67 - fixed use of validcount for the GL renderer. 
This needs to be incremented more locally to the place where it is used, so that it is guaranteed that each viewpoint that needs to be rendered increases it.
As a result the uses in the portal code could be removed.
 2016-04-17 10:39:29 +02:00
Christoph Oelckers
ddbb8d79c1 - handle the player sprite when crossing a portal. 2016-04-07 21:13:37 +02:00
Christoph Oelckers
af78937a15 - updated GL renderer. 2016-04-02 23:17:16 +02:00
Christoph Oelckers
a27181cb0b - partial adjustments. 
No point changing all the viewx/y/z stuff when that is about to get floatified next.
 2016-03-31 21:42:27 +02:00
Christoph Oelckers
c6ada2397c - adjustments. 2016-03-31 09:50:59 +02:00
Christoph Oelckers
cf44d2e37a - adjustments. 2016-03-30 20:01:44 +02:00
Christoph Oelckers
cadd8f2d4a - made adjustments for changes to linedef delta. 2016-03-29 16:31:58 +02:00
Christoph Oelckers
59bb003285 - GL adjustments for plane changes. 2016-03-29 13:45:50 +02:00
Christoph Oelckers
a87c292f10 - adjustments to GL code for texture scale and vertex coordinate access. 2016-03-29 11:26:33 +02:00
Christoph Oelckers
b54b34a512 - adjustments for floating point changes. 2016-03-21 02:57:02 +01:00
Christoph Oelckers
dbd89c2702 - refactoring of portal grouping for the renderer, to allow more efficient clipping. 2016-03-04 14:10:13 +01:00
Christoph Oelckers
7ceb6d86dd - fixed compilation. 2016-03-04 10:39:10 +01:00
Christoph Oelckers
213d7a75c2 - fixed: r_showviewer must always be true when rendering a mirror portal. 2016-02-26 12:09:59 +01:00
Christoph Oelckers
a901875925 - fixed: The horizon portal drawer must set the camera position for the shader. 
This gets lost when several portals are drawn sequentially and this is the only portal type which needs this information but doesn't go through the normal setup.
If this is not done, fog on the horizon plane can break.
 2016-02-21 01:38:41 +01:00
Christoph Oelckers
bd9907f20f - missing #includes in GL code. 2016-02-16 22:06:26 +01:00
Christoph Oelckers
7105a87a1e - fixed retrieval of mapsection for polyportals. 
- render wall portals on one sided lines.
 2016-02-06 19:19:18 +01:00
Christoph Oelckers
3683a8ac58 - implemented line-to-line portal rendering. So far working for two-sided portal lines - one-sided yet to come. 2016-02-06 12:32:47 +01:00
Christoph Oelckers
297cf52ac9 - copied line portal code from portal branch and made some adjustments to make it compile. Portal rendering is not yet working. 2016-02-06 05:17:47 +01:00
Christoph Oelckers
e6337537ed - this was missing the double slashes... 2016-02-05 14:04:28 +01:00
Christoph Oelckers
c4b1b96484 - handle one particular edge case when checking if a line is completely behind a mirror. 
This is not really sufficient to detect all cases where something gets incorrectly flagged as ok, but it's the easiest one to detect.
 2016-02-05 13:47:07 +01:00
Christoph Oelckers
db766f9fe5 - fixed some warnings. 2016-02-03 13:03:38 +01:00
Christoph Oelckers
4a9b2bf76d - fixed: The stencil cap drawer did not properly advance the vertex pointer. 2016-01-30 01:08:11 +01:00
Christoph Oelckers
47db3252f4 - it's really not necessary to waste two clip planes for reflective surfaces because only one can be active at any time. 2016-01-27 12:30:55 +01:00
Christoph Oelckers
3c16a23865 - when rendering mirrors, discard subsectors lying behind them. 2016-01-27 12:02:43 +01:00
Christoph Oelckers
5816049510 - made necessary adjustments for the coordinate refactoring in ZDoom. 2016-01-21 12:36:37 +01:00
Christoph Oelckers
196c9bc34d - cleaned up the skybox type detection logic. 2016-01-11 20:29:24 +01:00
Christoph Oelckers
ef7bcb3a66 - implement Eternity-Style flat and horizon portals. Not tested yet due to lack of material to work with. 2016-01-11 15:07:58 +01:00
Christopher Bruns
89328e685c Use eye->TearDown method to restore glColorMask. 
Restore assert in i_system.cpp that was interfering with my debugging.
Restore scoped colorMask-ing in gl_portal.cpp and gl_drawinfo.cpp.
 2015-10-30 21:48:42 -04:00
Christopher Bruns
b82d611936 Call EndDrawScene for each eye. 
Actually use stereoscopic projection matrix.
 2015-10-30 21:29:36 -04:00