Christoph Oelckers
eedc5a69be
- replaced builtin position vertex attribute.
2014-07-15 01:02:48 +02:00
Christoph Oelckers
1b7f5a2e6a
- replaced builtin texture coordinate vertex attribute.
2014-07-15 00:59:01 +02:00
Christoph Oelckers
150135a07d
- reinstate drawcall timing.
2014-07-13 23:14:28 +02:00
Christoph Oelckers
ce3653f6e1
- remove all uses of builtin matrices.
2014-07-13 23:13:40 +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.
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- make matrix class single precision.
2014-07-13 20:41:20 +02:00
Christoph Oelckers
d868f60f6c
- since the clip planes for plane mirrors did not work anymore I reimplemented them using shader based logic. It still needs to be seen if this affects performance on older hardware.
2014-07-13 12:14:12 +02:00
Christoph Oelckers
9a6bc64381
- use vertex array objects to manage vertex buffers.
2014-07-01 00:51:02 +02:00
Christoph Oelckers
f710518903
- use a uniform array to store vertex data to render dynamic stuff on GL 3.x hardware without the ARB_buffer_storage extension.
...
Due to the way the engine works it needs to render a lot of small primitives with frequent state changes.
But due to the performance of buffer uploads it is impossible to upload each primitive's vertices to a buffer separately because buffer uploads nearly always stall the GPU.
On the other hand, in order to reduce the amount of buffer uploads all the necessary state changes would have to be saved in an array until they can finally be used. This method also imposed an unacceptable overhead.
Fortunately, uploading uniform arrays is very fast and doesn't cause GPU stalls, so now the engine puts the vertex data per primitive into a uniform array and uses a static vertex buffer to index the array in the vertex shader.
This method offers the same performance as immediate mode but only uses core profile features.
2014-06-30 18:10:55 +02:00
Christoph Oelckers
1efc2938b7
- implement model vertex buffer and draw MD2 models using it instead of using the GLCommands from the model.
2014-06-29 23:24:16 +02:00
Christoph Oelckers
2925c96b59
removed all GL 2.x code.
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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
5944894138
- create vertex buffer data for MD2/DMD models.
2014-06-19 17:06:26 +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
965a2a2d79
definition for model vertex buffer.
2014-06-15 21:56:37 +02:00
Christoph Oelckers
1aaa1b7bad
- removed gl_usevbo CVAR because with recent code changes it has become useless. If GL_ARB_buffer_storage is present, buffers will always be used.
2014-06-15 12:12:24 +02:00
Christoph Oelckers
2abf1644a4
- fixed: Plane height changes only updated the first buffered vertex for the respective plane.
2014-06-15 10:18:46 +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
5b302ed3a6
- added benchmarking calls for glDrawArrays to see how well issunig draw calls performs on different hardware.
2014-06-14 15:16:33 +02:00
Christoph Oelckers
5e22c82e79
- use buffer for rendering the sky on all GL versions since the differences for making GL2.0 work are rather small.
2014-06-14 10:38:30 +02:00
Christoph Oelckers
8d9a90cd22
- rewrote sky dome rendering to use a static vertex buffer if not on OpenGL 2.x.
2014-06-14 01:24:28 +02:00
Christoph Oelckers
f5ea31b518
- use vertex buffer for all the common 2D rendering functions.
2014-05-21 00:36:04 +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
60f0ab5f1b
- fixed Linux warning with type cast.
2014-05-13 12:00:11 +02:00
Christoph Oelckers
b514a815f4
- enable use of vertex buffer for sprite rendering.
2014-05-12 20:23:54 +02:00
Christoph Oelckers
c47c7421a3
- route all glColor calls through render state.
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- add sector links to dynamic lights.
2014-05-11 22:57:42 +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.
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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
64d991b9b3
Merge branch 'master' into Glew_Version_For_Real
2014-05-10 15:29:06 +02:00
Christoph Oelckers
1d4ea9f162
- removed the __asm nop breakpoints for debugging. They not only do not work on non-MSVC but also not on 64 bit.
2014-05-08 09:48:39 +02:00
Christoph Oelckers
94b06900cb
- got rid of a lot of stuff that's no longer required with GLEW.
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- replaced GLUs texture scaling with our own function. This is only used to scale down textures larger than what the hardware can handle so we do not need a dependency to an essentially deprecated library for it.
2014-04-15 11:59:41 +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.
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- removed all pre GL 2.0 support.
2014-04-06 14:35:44 +02:00
Christoph Oelckers
3b5d379fa4
- Linux compile fix.
2013-12-09 11:34:26 +01:00
Christoph Oelckers
058f065446
- fixed: FFlatVertex contained two unused members.
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- fixed: Clearing the args in the VavoomLightColor constructor only cleared 5 bytes, still assuming byte args.
2013-12-05 10:23:01 +01:00
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
737708b635
- fix c++11's compile problems.
2013-08-28 08:33:11 +02:00
Christoph Oelckers
399d0974ab
- added GL render as of SVN revision 1600.
2013-06-23 09:49:34 +02:00
