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57 commits

Author SHA1 Message Date
Christoph Oelckers
8b26b6dd1e - reworked fog uniforms to move the global fog mode setting to the viewpoint buffer. 2018-09-06 19:14:30 +02:00
Christoph Oelckers
5e39890118 - use a uniform buffer for per-scene data like rotation matrices. 2018-09-02 18:40:36 +02:00
Christoph Oelckers
82d7e5970f - moved the clipline uniform to the viewpoint buffer. 
This was the final one of the per-scene values that could be taken out of the render state.
 2018-06-22 23:49:39 +02:00
Christoph Oelckers
80a9028938 - mirror clip planes moved - not working yet. 2018-06-22 22:45:05 +02:00
Christoph Oelckers
d5af939119 - more uniforms moved. 
(not working yet.)
 2018-06-22 21:32:38 +02:00
Christoph Oelckers
43e1a2d249 - moved uViewHeight and uCameraPos to the viewpoint uniform struct. 2018-06-22 21:05:36 +02:00
Christoph Oelckers
9486180843 - simplify the interface. 2018-06-21 21:36:12 +02:00
Christoph Oelckers
eb277cc101 - calculate the normal view matrix at a higher level. 2018-06-20 13:49:06 +02:00
Christoph Oelckers
4937848123 - refactoring of fixed colormap stuff to have it better organized and to reduce the number of uniforms in the main shader. 
This removes 3 uniforms, consisting of 9 floats. Those were merged into other values that never get used at the same time.
It also moves the costly setup of the fixed colormap out of the render state into the 2D processing code.
Since 3D forces use of render buffers now, it is no longer necessary to draw the entire scene with the colormap active, meaning it can be handled more efficiently.
 2018-06-16 22:40:44 +02:00
Christoph Oelckers
3401876476 - use FShaderProgram through an abstract interface and remove all dependencies on the GL renderer from the shader definition source files. 2018-06-13 22:08:55 +02:00
Christoph Oelckers
ce50b0e46b - read sampler bindings from the shader instead of tagging along a large amount of support data. 
Works for most shaders, except SSAO.
 2018-06-13 17:44:49 +02:00
Magnus Norddahl
763c5c9769 - change ssao pass to use an uniform block 2018-06-11 20:48:43 +02:00
Christoph Oelckers
1fc4c9801b - moved all GLDEFS parsing into a dedicated source file. 
- split gl_postprocessshader.h in two so that the hardware independent part can be used by GLDEFS without pulling in all of OpenGL.
 2018-04-02 12:28:20 +02:00
Christoph Oelckers
a40e085a46 - 2D drawer implementation complete for hardware renderer. 
This also replaces DTA_ColormapStyle with proper implementations of its components. As implemented it was a very awkward mixture of various effects that already existed in a separate form. As a result of its implementation it required additional but completely redundant shader support which could be removed now. As a side effect of this change a new DTA_Desaturate option was added.
 2018-03-29 16:21:21 +02:00
Magnus Norddahl
07fa310f23 - move material light modes to their own subshader lumps 2018-02-20 00:13:05 +01:00
Magnus Norddahl
7a59bcde4c - move glossiness and specular level to GLDEFS 2018-01-25 19:53:55 +01:00
Magnus Norddahl
0855418475 Merge branch 'gzdoom' into materials 
# Conflicts:
#	src/gl/shaders/gl_shader.cpp
#	src/gl/shaders/gl_shader.h
 2018-01-25 19:21:19 +01:00
Magnus Norddahl
0f69778e23 - Add new material shader entries for specular and PBR light modes 2018-01-21 01:53:44 +01:00
Magnus Norddahl
4dd2d789f4 - Rename mTextureEffects to mMaterialShaders to help distinguish between those and effect shaders (mEffectShaders) 
- Add MaterialShaderIndex enum
 2018-01-21 01:19:16 +01:00
Magnus Norddahl
a23e5f49f6 - Add "fuzz software" to GL that renders fuzz like the scaled fuzz mode in the software renderer 2018-01-07 02:29:55 +01:00
Magnus Norddahl
ddd1b629c3 - Calculate globvis/r_visibility in r_utility and use it in GL and poly renderers 2017-07-09 19:01:34 +02:00
Christoph Oelckers
12d073a27d - objectcolor stuff. 
# Conflicts:
#	src/gl/renderer/gl_renderstate.cpp
 2017-01-28 19:06:21 +01:00
Rachael Alexanderson
9a777f719b - Added "gl_bandedswlight" to reduce the software light emulation gradient to 32 levels. 2017-01-24 22:24:53 +01:00
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
Magnus Norddahl
9af34bac69 Add gbuffer pass support to FShaderManager and FRenderState 2016-09-25 00:22:32 +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
aece9aaa58 - added xBRZ texture scaler after clearing the licensing conditions. A screenshot of the confirmation that this is ok has been added to the 'licenses' folder. 2016-09-03 14:01:51 +02:00
Magnus Norddahl
5f09d3b7ef Add FBufferedUniformSampler because sampler uniforms may default bind to other locations than zero 2016-08-26 01:46:39 +02:00
Christoph Oelckers
7ba5acfb35 - added quad drawer interface so that this part can be done without altering a vertex buffer. 
So far it's only the framework, the new code is not active yet.
 2016-08-22 14:00:25 +02:00
Christoph Oelckers
675822004d - use static buffer data and a uniform to handle the texture positioning of the present shader. 
That's again one less write access to the buffer. The uniform method was chosen because this way a buffer update can be completely avoided, and setting a single uniform is a lot cheaper and simpler to handle.
 2016-08-08 16:06:02 +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
fc57180d7e - added necessary state to implement 3D light splitting using hardware clipping planes. 2016-01-30 23:01:11 +01:00
Christoph Oelckers
45526c2769 - basics for using hardware clip planes to split translucent stuff by 3D floor planes. 2015-04-05 18:55:21 +02:00
Christoph Oelckers
fd3128a164 - fixed: When changing enhanced nightvision mode the shaders need to have their fixed colormap state reset to ensure that the new settings get used. 
- fixed: The shader code for handling special fixed colormaps did not use the color vertex attribute which was most evident with the 'shadow' render style on the spectre.
 2014-10-05 09:40:36 +02:00
Christoph Oelckers
a63871d170 - at least for Intel GMA we need shaders without 'discard' to render non-transparent stuff. The performance penalty is rather hefty here. 2014-08-02 21:06:34 +02:00
Christoph Oelckers
7967082e60 - use the light buffer to handle dynamic lighting. 2014-08-01 20:59:39 +02:00
Christoph Oelckers
bdf5bbd34e - make the shader timer part of the render state. 2014-07-26 20:56:10 +02:00
Christoph Oelckers
1b7f5a2e6a - replaced builtin texture coordinate vertex attribute. 2014-07-15 00:59:01 +02:00
Christoph Oelckers
5a322742c3 - remove use of builtin and deprecated color vertex attribute. 2014-07-15 00:37:13 +02:00
Christoph Oelckers
ed8a21fd86 - replaced deprecated alpha testing with shader code. 2014-07-14 21:14:43 +02:00
Christoph Oelckers
ce3653f6e1 - remove all uses of builtin matrices. 2014-07-13 23:13:40 +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
00fcf4bc06 - for some reason using world coordinates for clipping in the shader is somewhat imprecise so the clip plane heights have to be adjusted a bit for it. 2014-07-13 13:25:42 +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
92185f96eb - fixed overflow with storing a sprite's dynamic light color in a PalEntry. 2014-07-01 09:52:41 +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
9d1dbf4eab - fixed: FBufferedUniform1f didn'T work because it used an int as its buffered value. 2014-06-29 14:08:44 +02:00
Christoph Oelckers
ffcb6cb70a - added second vertex coordinate attribute for model interpolation. 2014-06-29 11:00:21 +02:00