Magnus Norddahl
14c1a77f8a
Fix AmbientOcclusionColor bug where pixelpos was assumed to be in eye space coordinates
2016-10-13 18:08:04 +02:00
Magnus Norddahl
00e72028ef
Add another gbuffer with normal data and make ssao pass use it
2016-10-05 07:57:27 +02:00
Magnus Norddahl
ecb57d6cd9
Merge remote-tracking branch 'gzdoom/master' into ssao
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# 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
d774136282
Added SceneData texture as the second colorbuffer when rendering a scene and placed fog data into it
2016-09-25 00:22:32 +02:00
Magnus Norddahl
9af34bac69
Add gbuffer pass support to FShaderManager and FRenderState
2016-09-25 00:22:32 +02:00
Christoph Oelckers
3389a5a74e
- removed most of the specific options for legacy hardware and consolidated them in one variable (does not work yet.)
2016-09-01 11:52:52 +02:00
Magnus Norddahl
669238db66
Fix Apple GLSL compile errors
2016-07-23 17:27:19 +02:00
Magnus Norddahl
c08fc8f5a8
Fix depth calculations for R_DoomLightingEquation and make it an exact match of what zdoom does
2016-07-23 17:27:19 +02:00
Christoph Oelckers
3334b28a02
- don't let the light go completely black with software-emulated lighting.
2016-05-04 14:30:10 +02:00
Christoph Oelckers
f066457a48
- add shader patching to allow running the engine with GLSL 1.2.
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- made some initial preparations for the shader-less fallback path.
2016-04-26 15:26:52 +02:00
Christoph Oelckers
fc38728309
- made some changes to the shaders to allow downpatching them to GLSL 1.2:
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* disable the dynamic light code if no buffers are available
* added a duplicate of the getTexel function which cannot be patched without creating syntax problems.
* fixe int<->float conversion warning, which on some compilers may be an error.
2016-04-26 11:31:27 +02:00
Christoph Oelckers
020b02e073
- changed deprecated texture sampler access function names.
2014-11-28 12:28:45 +01:00
Christoph Oelckers
5638aab63c
- fixed: Even though the name REDISALPHA implies otherwise, this render mode still needs to respect a texture's alpha channel to ensure that things get rendered properly. Otherwise the SmoothEdges function cannot be used which is necessary to ensure that filtered textures look correct.
2014-10-26 21:17:29 +01:00
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.
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- 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
4682736585
- fixed: non-tiled mid textures on a fog boundary require some special clamping to be performed in the shader.
2014-09-21 11:08:17 +02:00
Christoph Oelckers
835dbe5bd0
- removed the 'layout' qualifier from the uniform buffer declaration. It's not really needed because the layout of a single vec4 array cannot possibly change, and Intel drivers are complaining for unknown reasons.
2014-09-20 09:10:01 +02:00
Christoph Oelckers
acf6c259d8
- changed the handling of alpha textures. The only special case they need is with palette-less textures and this can be handled far more easily and robustly with a predefined translation instead of passing another parameter through all the layers of the texture management code. This also fixes problems with paletted PNGs that get used as an alpha texture because the old method clobbered the image's palette.
2014-09-09 13:21:36 +02:00
Christoph Oelckers
7967082e60
- use the light buffer to handle dynamic lighting.
2014-08-01 20:59:39 +02:00
Christoph Oelckers
ef8f66c9a1
- removed the code for hardware alpha testing again because it didn't work anymore with how things are set up now.
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- we need to check all GL versions when trying to get a context because some drivers only give us the version we request, leaving out newer features that are not exposed via extension.
- added some status info about uniform blocks.
2014-07-30 23:13:16 +02:00
Christoph Oelckers
eb9d2d9917
- reactivate compatibility profile so that immediate mode drawing can be used on older hardware not supporting persistently mapped buffers.
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- reactivate alpha testing per fixed function pipeline
- use the 'modern' way to define clip planes (GL_CLIP_DISTANCE). This is far more portable than the old glClipPlane method and a lot more robust than checking this in the fragment shader.
2014-07-17 02:37:18 +02:00
Christoph Oelckers
6046b11b4f
- all shaders now compile in core profile.
2014-07-15 01:05:53 +02:00
Christoph Oelckers
5193f6cfef
- remove use of builtin deprecated varyings in shaders.
2014-07-15 00:19:41 +02:00
Christoph Oelckers
ed8a21fd86
- replaced deprecated alpha testing with shader code.
2014-07-14 21:14:43 +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
39775cc904
- mystery of desaturation shader solved: The old code passed '1-desaturation' to the shader, the new code 'desaturation', so for the 'mix' function to work its arguments must be swapped.
2014-05-21 15:25:25 +02:00
Christoph Oelckers
54425ee2ef
- fixed: Desaturation factor was applied incorrectly.
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- Also fixed some very strange thing in the shader's desaturate function. For unknown reasons using the 'mix' function there did not work.
- fixed: The fog boundary special shader could not be used.
2014-05-21 13:40:46 +02:00
Christoph Oelckers
4d005bdfa0
shader rework
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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
b9a6fe80a4
Do not use the shader to handle STYLEF_RedIsAlpha.
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Turns out that the name doesn't accurately describe what it does.
It is correct for images that come with their own palette or are true color.
But for images using the game palette it doesn't use the red channel to determine translucency but the palette index! Ugh...
This means it cannot be done with a simple operation in the shader because it won't get a proper source image. The only solution is to create a separate texture.
2014-05-11 23:56:53 +02:00
Christoph Oelckers
7793bbbcc9
Further cleanup of lighting code.
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- remove thing color from lighting calculations.
- implement alpha textures and inverse sprites for infrared as texture modes. This still requires some handling for the alpha texture mode for non-shader rendering because there is no way in the fixed pipeline to do it. The inverted texture effect can be done with a texture combiner.
- fixed: ThingColor for sprites was set in the wrong place. It must be in the Process function, not in the lighting calculation.
- added functions for isolated calculation of sprites' dynlight color.
2014-05-11 17:56:38 +02:00
Christoph Oelckers
52056a05bd
- changed handling of DynLight in shader to serve as a global dynamic light color for all lighting modes.
2014-05-11 16:49:17 +02:00
Christoph Oelckers
53f4cd0108
- added objectcolor uniform. This will be used to hold the thingcolor for shader based rendering.
2014-05-11 16:06:25 +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
e00847f64b
- GZDoom solution file
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- missing GL resources for gzdoom.pk3.
2013-06-23 11:13:01 +02:00
