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104 commits

Author SHA1 Message Date
Christoph Oelckers
af1b70376b - added 21:9 handling to GL code. 2016-03-04 11:47:15 +01:00
Christoph Oelckers
9af5dd357f - removed the camera adjustment in FGLRenderer::SetViewArea because this had already been done by R_SetupFrame. 2016-02-20 02:20:55 +01:00
Christoph Oelckers
eb7a908a92 - account for removed bam2rad function. 2016-02-08 22:06:26 +01:00
Christoph Oelckers
cc10fe9bc3 - fixed: The stereo3D code accessed the global 'viewsector' variable at a place where it no longer contained a correct value. 
- fixed: The same code did not exclude camera texture views from drawing the 2D overlay.
 2016-01-04 00:45:44 +01:00
Christopher Bruns
95f4134630 Refactor stereo3d classes to use TArray instead of std::vector. 2015-12-31 09:36:37 -05:00
Christopher Bruns
789dca2ab3 Refactor stereo 3d projection matrix calculations to use VSMatrix. 2015-10-31 07:46:36 -04:00
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
Christopher Bruns
0874455faf Initial implementation of five 3D modes -- some bugs remain. 2015-10-30 20:51:35 -04:00
Christoph Oelckers
00639121c0 - added the missed parts of camera roll in gl_scene.cpp. 2015-02-10 20:34:10 +01:00
Christoph Oelckers
e6d59ec429 - fixed: with aspect ratio compensation in the view matrix it is necessary to adjust the view pitch for this because the playsim does not know anything about pixel ratio. 2014-12-31 12:04:55 +01:00
Christoph Oelckers
315827015c - made aspect ratio correction factor configurable through MAPINFO. 2014-12-29 23:52:20 +01:00
Christoph Oelckers
45cf65afbd - moved the aspect ratio correction factor from the projection to the view matrix where it should have been from the start. 
- removed the mCameraPos variable in FGLRenderer because it was only used in one place where it is just as easy to use the global viewx/y/z variables directly.
 2014-12-29 22:42:19 +01:00
Christoph Oelckers
a7f4185981 - now that we don't have to care anymore about SVN-related merging problems, let's save the 3 global variables of the GL renderer unconditionally, even if the software renderer is running. 2014-11-16 09:08:47 +01:00
Christoph Oelckers
b0a6c94fa4 - fixed: the translucency flag for the flags renderer was inconsistent between the light pass and the render pass on GL 3.x hardware, resulting in bad buffer indices being sent to the shader. 2014-11-09 12:10:33 +01:00
Christoph Oelckers
48da2f87bb - fixed: The light buffer index must not be reset between rendering a camera texture and the main scene. 
Since rendering is asynchronous, the camera texture scene may not be finished once the main scene's lights get filled in. Unfortunately forcing a synchronization with glFinisg has bad side effects on performance the only remaining option is to use separate parts of the buffer for both scenes, which in extreme cases may increase the light buffer's size - but on modern hardware that shouldn't be a problem.
 2014-09-21 21:01:11 +02:00
Christoph Oelckers
4bb320a27c - route texture binding through the renderstate class for better control. Currently it's just a direct passthrough but this will change. 2014-09-09 12:00:42 +02:00
Christoph Oelckers
12160bd29c - remove some obsolete code from decal rendering. 
- avoid rebinding the same texture multiple times, as there's considerable overhead in the texture manager.
- check gl_sort_textures only once per scene, not per draw list.
 2014-08-30 15:34:14 +02:00
Christoph Oelckers
6a3cd6378a - found out that reading the CPU's real time clock costs a not insignificant amount of time so this is now only done when either the benchmark command is running or the rendertimes are shown. 2014-08-30 14:33:06 +02:00
Christoph Oelckers
49ec7beb8f - separate draw lists for walls and flats. This makes the sorting much more efficient because draw types no longer need to be checked in the compare function. This is a lot more important than having perfect texture order. 2014-08-30 13:04:41 +02:00
Christoph Oelckers
1050013017 major cleanup of the texture manager: 
- use sampler objects to avoid creating up to 4 different system textures for one game texture just because of different clamping settings.
- avoids flushing all textures for change of texture filter mode.
- separate sprite and regular dimensions on the material level to have better control over which one gets used. It's now an explicit parameter of ValidateTexture. The main reason for this change is better handling of wall sprites which may not be subjected to such handling.
- create mipmaps based on use case, not texture type.
- allows removal of FCloneTexture hack for proper sharing of the same sprite for decals and other purposes.
- better precaching of skyboxes.
 2014-08-22 23:50:38 +02:00
Christoph Oelckers
a2dc4afe3f - screwed by the editor's autocompletion... (wrong GL flag was used...) 2014-08-19 14:25:47 +02:00
Christoph Oelckers
00d7707aef - allow reallocation of light buffer if more lights are needed. 
- added a light preprocessing pass to the renderer so that a non-persistent buffer can be used with minimal mapping/unmapping. This only gets used if necessary because it adds some overhead to the renderer.
 2014-08-19 14:18:21 +02:00
Christoph Oelckers
38796e7714 - removed some obsolete and useless GL calls. 2014-08-17 11:41:03 +02:00
Christoph Oelckers
7967082e60 - use the light buffer to handle dynamic lighting. 2014-08-01 20:59:39 +02:00
Christoph Oelckers
e07d06fa2a Merge branch 'master' into Glew_Version_For_Real 2014-07-26 22:26:58 +02:00
Christoph Oelckers
7ae25906fd - fixed: fog must be disabled before drawing the HUD model, not after it. 2014-07-26 22:26:17 +02:00
Christoph Oelckers
6b9d6787d9 - move models into their own draw list to avoid frequent buffer changes. 
- same for SKYHACK walls. Although rare, they would get in the way of optimizing the draw calls if not being separated out.
 2014-07-15 21:16:59 +02:00
Christoph Oelckers
b8bcbe819b - removed texture based dynamic lighting. For GL 3.x the shader approach is always better. 
- fixed: sky fog was not unset.
 2014-07-15 20:49:21 +02:00
Christoph Oelckers
ed8a21fd86 - replaced deprecated alpha testing with shader code. 2014-07-14 21:14:43 +02:00
Christoph Oelckers
2214c0ac06 - remove all uses of builtin matrix manipulation. Only glLoadMatrix for view and projection matrix are left. 2014-07-13 22:37:34 +02:00
Christoph Oelckers
dbb05c5f33 - remove use of builtin texture matrices. 
- make matrix class single precision.
 2014-07-13 20:41:20 +02:00
Christoph Oelckers
54297acde4 - removed obsolete gl_lightbuffer code. 
This never worked properly and by now far better options are available to solve the problem of dynamic light data uploads.
 2014-06-30 13:30:10 +02:00
Christoph Oelckers
2925c96b59 removed all GL 2.x code. 
After thinking about it for a day or so I believe it's the best option to remove all compatibility code because it's a major obstacle for a transition to a core profile.
 2014-06-21 15:50:32 +02:00
Christoph Oelckers
3e9b9c280b - initialize model data at engine start, not at level start. 2014-06-19 15:22:00 +02:00
Christoph Oelckers
3644073bbd - use a software buffer for immediate mode rendering. This allows using the regular buffer code to collect data for both render modes and allows removal of a lot of duplicated code. 2014-06-15 01:14:41 +02:00
Christoph Oelckers
a1ec6ab1ba - fixed some Linux warnings. 2014-05-24 16:53:57 +02:00
Christoph Oelckers
09ba62fbef - put all the common part of buffer based drawing into a separate method of the vertex buffer. 2014-05-20 22:37:38 +02:00
Christoph Oelckers
23fbd69963 - 4 more places where immediate mode drawing has been substituted with a buffer-based alternative. 2014-05-20 22:20:15 +02:00
Christoph Oelckers
4d005bdfa0 shader rework 
All those special shaders have been merged together.
Mostly working but the non-shader lighting seems a bit broken.
 2014-05-12 14:45:41 +02:00
Christoph Oelckers
98cc7eeb99 pass softlightlevel through render state. 2014-05-12 00:13:19 +02:00
Christoph Oelckers
506798f134 allow brightmaps and fullbright objects in fog. The reasons why they were disabled no longer exist. 2014-05-11 23:12:28 +02:00
Christoph Oelckers
c47c7421a3 - route all glColor calls through render state. 
- add sector links to dynamic lights.
 2014-05-11 22:57:42 +02:00
Christoph Oelckers
978ace241c - removed all code that mixes together the different lighting methods. Now everything goes through the 3 different light parameters in the render state. 
- removed cm parameter from many functions.
 2014-05-11 21:47:54 +02:00
Christoph Oelckers
f3a9cb0cfa remove special texture creation for fullscreen colormaps. 
On GL 3.x+ this isn't needed at all and on older hardware it causes performance issues, in particular with hires textures due to impossibility of precaching.
In addition it forces some really awkward handling of lighting for things that have their own color, like stenciled sprites or particles.

With this special case gone it will be possible to handle this case in a saner manner than it is right now.

As compensation for older hardware a fullscreen blend will be drawn over the entire screen. This won't be 100% accurate but it's preferable to keeping the current method.
 2014-05-11 14:46:37 +02:00
Christoph Oelckers
09f4071436 Ok, it had to be done: Removed shader support for pre GLSL 1.3/GL 3.0 hardware. The compromises needed to accomodate these are just too bad and would block any attempt at streamlining the code. 2014-05-11 13:27:51 +02:00
Christoph Oelckers
f7404d20fb - add vertex buffer based drawing for all walls and flats. 2014-05-11 01:23:27 +02:00
Christoph Oelckers
7d3beb665b - rewrote vertex buffer code to require GL_ARB_BUFFER_STORAGE extension. 
This means it won't work anymore on anything that doesn't support OpenGL 4.0, but I don't think this is a problem. On older NVidia cards performance gains could not be seen and on older AMDs using the vertex buffer was even worse as long as it got mixed with immediate mode rendering.
 2014-05-10 21:47:07 +02:00
Christoph Oelckers
69af73d9b9 - alternative configuration using GLEW to get extension functions. This requires GL 2.0, though so it won't be promoted to the mainline for the time being. 
- removed all pre GL 2.0 support.
 2014-04-06 14:35:44 +02:00
Christoph Oelckers
2885056f46 - moved GLEXT API out of RenderContext struct. 2013-09-03 18:29:39 +02:00
Christoph Oelckers
26943fe3fd - removed gl interface function pointers for all OpenGL32.dll entry points. 2013-09-03 14:05:41 +02:00
Christoph Oelckers
b61ef3a107 - bumped minimum supported OpenGL version to 1.4. The engine was already using several 1.3 and 1.4 features which would have caused problems on 1.2. 
- removed gl_vid_compatibility. With the bump to 1.4 no hardware requiring this flag is supported anymore.
- disabled 16 bit framebuffers for the same reason. As a conseqence all code for rendering without stencil could also be removed.
 2013-08-18 15:41:52 +02:00
Christoph Oelckers
4e4eb7189a - fixed: negative extra light levels should not be treated like inverse flashes, that's only the case for INT_MIN. 2013-07-22 17:30:08 +02:00
Christoph Oelckers
399d0974ab - added GL render as of SVN revision 1600. 2013-06-23 09:49:34 +02:00