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137 commits

Author SHA1 Message Date
Christoph Oelckers
594ec6626c - transitioned to using GZDoom's texture creation code. 
Also added support for creating indexed textures directly into CreateTexBuffer, where this functionality can be shared.
As an added plus, brightmaps are working again, this time with less hackery.
 2020-05-29 19:21:18 +02:00
Christoph Oelckers
87a87c155d - moved to GZDoom's gl_hwtexture.cpp. 2020-05-29 01:03:01 +02:00
Christoph Oelckers
72889540a5 - use GZDoom's gl_samplers.cpp 2020-05-28 23:48:50 +02:00
Christoph Oelckers
362be65060 - removed FHardwareTexture's mSampler member. 
This was a mostly unused relic of early development, the few places using it were static sampler settings.
 2020-05-28 21:45:33 +02:00
Christoph Oelckers
c4017de12f - updated to GZDoom's new texture management system. 2020-05-25 23:59:07 +02:00
Christoph Oelckers
758e4ad7cb - stripped down the palette manager in the GL backend and let it use the data that's managed elsewhere. 
This class is only needed to manage the palette textures used by the indexed render mode, all the rest is available globally.
 2020-05-25 00:31:55 +02:00
Christoph Oelckers
00e7b2fa25 - simple stuff from the texture manager inclusion commit. 
To get this out of the way first...
 2020-05-24 00:27:24 +02:00
Christoph Oelckers
d46ea7481f - handle RRRA E1L2's fog in the shader instead of hacking the shade tables. 2020-04-12 08:30:43 +02:00
Christoph Oelckers
41545b644a - cleaned out most of the software renderer's static global variables. 2020-03-29 16:59:49 +02:00
Christoph Oelckers
c53d9cfc3a - reworked voxel texture generation to use the backend's palette manager. 
The original code was not able to handle changing palettes and only worked if each palette change resulted in a full texture flush - which Raze does not perform.
 2020-02-09 20:14:26 +01:00
Christoph Oelckers
215cb14401 - use a non-0 depth bias for sprites. 
Hopefully this helps fixing the z-fighting issue with wall sprites in some Blood maps.
 2020-02-06 18:44:06 +01:00
Christoph Oelckers
245aa5d3bc - reworked global palette state for robustness. 2020-01-26 10:58:00 +01:00
Christoph Oelckers
99c4b6b6d7 - don't let environmental palettes (like underwater) affect the HUD and menu. 2020-01-25 18:48:48 +01:00
Christoph Oelckers
b209b1f960 - make sure that the first matrix is always the identity matrix. It was just random luck that it was always put there before. 
- let the matrix setters return the previous value for easy restoring without creating yet another matrix.
 2020-01-19 14:08:48 +01:00
Christoph Oelckers
454f796b69 - collect all 3D geometry in a list so that it can be rendered later. 
With this out of the way the renderer can now be switched to the core profile.
 2020-01-18 22:41:08 +01:00
Christoph Oelckers
8cd9775513 - fixed VP8 video player. 
Also do the color space conversion on the CPU to avoid the shader hassle, performance wise it is utterly irrelevant here.
 2020-01-18 16:14:30 +01:00
Christoph Oelckers
2e06ccfec6 - draw the screen overlays using the vertex buffer. 2020-01-18 16:14:30 +01:00
Christoph Oelckers
55dab6d3d3 - hooked up the high color texture colorization code. 
Not tested and probably still not working correctly, the entire feature was a nearly impenetrable mess of convoluted code. This definitely needs verification with multiple mods using it.
 2020-01-11 22:18:06 +01:00
Christoph Oelckers
9e7f91b5ac - fixed size of texture arrays. 
We need 6 slots, not 5.
 2020-01-05 12:56:32 +01:00
Christoph Oelckers
6c6874cb0e - fixed scissoring with out of range coordinates. 
Blood's status bar sets such a bogus clipping rectangle.
 2020-01-05 10:21:34 +01:00
Christoph Oelckers
e84acb7e2f - invalidate the render state after finishing a frame. 
Last bound textures in particular may not be valid anymore in the next frame in movie playback.
 2020-01-05 09:38:44 +01:00
Christoph Oelckers
e61e77fb82 - handle textures in the render state. 
This should complete the transition and allow storing the render state in an array so that Polymost can be rewritten to create draw lists instead of actually doing the rendering itself.
 2020-01-04 23:58:26 +01:00
Magnus Norddahl
0714155e3a Fix ssao no longer working 2020-01-04 09:54:47 +01:00
Christoph Oelckers
d4b32c535a - moved matrices to render state. 2020-01-03 23:38:50 +01:00
Christoph Oelckers
f743b22661 - render voxels as triangles instead of quads. 
Quads are not available in the core profile which is required to run GL 3.3 on macOS.
 2020-01-03 18:09:05 +01:00
Christoph Oelckers
ce75832945 - color and depth func moved to render state. 2020-01-03 11:43:44 +01:00
Christoph Oelckers
27ed6cdae5 - viewport and scissor moved to render state. 2020-01-03 10:48:22 +01:00
Christoph Oelckers
cfc0ba48cb - moved render style handling to the render state and simplified its storage to use FRenderStyle instead of its components. 2020-01-03 10:48:22 +01:00
Christoph Oelckers
3380420de9 - converted the clear screen commands. 2020-01-02 23:56:35 +01:00
Christoph Oelckers
3608a646e6 - converted the simple state settings into renderstate flags. 2020-01-02 23:34:21 +01:00
Christoph Oelckers
6156e7382a - preparation for moving GL state into the renderstate struct. 2020-01-02 23:15:16 +01:00
Christoph Oelckers
3d47652d08 - had a look at Exhumed's shade tables and implemented the necessary adjustments for the 3 with abnormal gradients. 2019-12-31 22:53:03 +01:00
Christoph Oelckers
5830e72ab0 - fixed some rotatesprite issues: 
* scissor was not applied
* texture coordinates were fetched from the wrong texture, courtesy of using global variables.
 2019-12-30 19:37:23 +01:00
Christoph Oelckers
6459f4e532 - refactored rotatesprite to really use the 2D drawer. 
Mostly working, except clipping and weapon sprites.
 2019-12-30 19:37:23 +01:00
Christoph Oelckers
737bf15ad8 - added GZDoom's postprocessing/presentation code. 
Compiles but only draws a black screen. Something must be missing but no idea yet what that might be.
 2019-12-28 22:36:47 +01:00
Christoph Oelckers
68a3a60d0b - Exhumed menu tweaks - draw a background and caption for the option menus the game originally did not have. 
- fixed a crash in the 2D drawer when two consecutively allocated vertex buffers had the same address. Strangely this only occured with Exhumed but not the other games
- fixed Exhumed crashing with sound disabled.
 2019-12-26 17:42:45 +01:00
Christoph Oelckers
120a985b98 - disable palette transparency for color 255 when running an animation. 
There's several intro cutscenes using the full palette and for these the color must not be nulled as it should for in-game textures.
 2019-12-25 14:13:15 +01:00
Christoph Oelckers
62ecedf1f8 - got it to the point where it can render to the GL surface from the native backend. 2019-12-23 19:37:40 +01:00
Christoph Oelckers
dc60c7f72e - fixed use of brightmaps. 
Due to the blending they are essentially inactive on translucent content and Duke Nukem heavily abuses this.
 2019-11-15 20:51:02 +01:00
Christoph Oelckers
3be9deb070 - removed the different shadeDiv for Ion Fury. 
This isn't necessary and was apparently caused by a bug that got fixed in the mean time.
 2019-11-11 23:24:31 +01:00
Christoph Oelckers
79561ace09 - use the precalculated or script-specified fade colors, if present. 2019-11-10 21:11:17 +01:00
Christoph Oelckers
cae710bd59 - fixed alpha threshold. 
Not only is this a deprecated feature - it also does not work right when complex lighting is at play, it must be done in the shader to get proper results.
 2019-11-10 10:01:31 +01:00
Christoph Oelckers
2d46827ecc font 
- Dear ImGUI test.
 2019-11-07 20:32:49 +01:00
Christoph Oelckers
b6a3a60251 - console output is functional. 2019-11-06 23:40:10 +01:00
Christoph Oelckers
de829128ea - hooked up the 2D drawer 
compiles but not tested yet.
 2019-11-05 23:35:38 +01:00
Christoph Oelckers
85d377647a - tweaked the fade ramp a bit. 
For Duke Nukem and its direct offspring (Nam, WW2GI and Redneck Rampage) the ramp is not a linear fade from 0 to 1, it needs to be a little darker than that.
Unfortunately the proper factor needed here must be set manually, this cannot really be calculated from the lookup tables.
 2019-10-20 01:14:48 +02:00
Christoph Oelckers
9437387b4a - fixed handling of FogDisabled flag 2019-10-20 00:45:47 +02:00
Christoph Oelckers
bb4a19cf3a - added a few more texture formats to FHardwareTexture. 
For brightmaps we do not need full RGBA8 data with mipmaps - RGBA2 without mipmaps is fully sufficient here and will save a lot of video memory.
 2019-10-19 23:14:36 +02:00
Christoph Oelckers
7d2f61db2e - converted all boolean parameters of the shader into a single flag word. 
- discarded the idea of transient palettes because the maintenance here stood in no relation to the savingd.
 2019-10-19 22:46:37 +02:00
Christoph Oelckers
2152780806 - added some hackery to render voxels properly again. 
Something about their data preparation is not right, their depth looks totally off and causes fog to become to dense.
One more reason to reconstruct the renderer in a sane fashion.
 2019-10-19 18:14:13 +02:00
Christoph Oelckers
cd7bbe35a8 - removed all legacy fog code. 2019-10-19 15:52:46 +02:00
Christoph Oelckers
bc986b8054 - make the engine consistently use BGRA data - the internal palettes were still RGBA, which caused problems down the line. 
- increased cache size to 200 MB (Note: The cache really needs to be replaced with something better that can adapt better to a system's RAM size.)
 2019-10-19 10:22:02 +02:00
Christoph Oelckers
dab7c43f7c - fixed all compiler errors. 
It mostly works again, but still has a few glitches.
 2019-10-18 19:06:57 +02:00
Christoph Oelckers
23265ad213 - rework of texture management for models 
Voxels yet to do.
This also removes the redundant texture matrix for the glow texture.
 2019-10-18 14:04:32 +02:00
Christoph Oelckers
530a9944f7 - texture loader redone but not tested yet 
Models are currently non-functional and need to reroute their texture handling to the global texture manager instead of handling everything themselves.

Voxels also need a bit of work to make their texture management more automated.
 2019-10-18 11:37:07 +02:00
Christoph Oelckers
c6514949e3 - texture creation WIP. 2019-10-18 00:20:27 +02:00
Christoph Oelckers
3da49ad20a - safety commit: all relevant code for the texturing system has been moved to texcache.cpp. 2019-10-17 21:44:34 +02:00
Christoph Oelckers
bef8c9ae76 - hictinting cleanup. 
This needs to be moved into the backend, and partially into the shader. So far this only removes the code from the main rendering logic, the final implementation is not done yet.
It had to go because it required the main rendering code to look deep into the texture data which would be a major blocker for refactoring.
 2019-10-17 20:29:58 +02:00
Christoph Oelckers
304a906aa7 copy code 2019-10-17 14:21:51 +02:00
Christoph Oelckers
c588cd499a - let GLInstance::Draw set the palette indexing mode. 
This can be trivially decided based on the texture type, so there's really no need to let the higher level code deal with this.
 2019-10-10 23:14:57 +02:00
Christoph Oelckers
fbc7e626e9 - removed the fullbright render pass, because this is better set up as a shader option. 
- also removed the legacy fog modes because their implementation did not mix well with the texture system - they are also not really useful to begin with.

The last fog mode will most likely also be removed once true color shading is working but that one is less of an issue.
 2019-10-10 21:05:10 +02:00
Christoph Oelckers
1407c18f8b - cleaned out some remains of the non-indexed render path. 
All of this will be redone in the backend.
 2019-10-10 19:40:33 +02:00
Christoph Oelckers
1fee7a5f01 - cleanup of texture creation code. 
There were several mostly pointless options complicating all of this.
 2019-10-10 00:07:45 +02:00
Christoph Oelckers
7131fe6c6e - use separate textures for the palswap shade tables. 
This creates a lot less mess than one big texture and also allows easier use of texelFetch in the server which is preferable for data textures.
 2019-10-08 01:08:08 +02:00
Christoph Oelckers
dfaa162bb2 - finished the palswap handling in the palette manager. 2019-10-07 22:11:09 +02:00
Christoph Oelckers
c050a0c4c8 - changed palswap management to handle the size of full lookup tables. 2019-10-07 00:34:15 +02:00
Christoph Oelckers
7713860b63 wip. 2019-10-07 00:14:16 +02:00
Christoph Oelckers
734d8b7d1e - moved the palette management into the backend. 2019-10-06 21:15:53 +02:00
Christoph Oelckers
ef2de97077 - the harmless changes of the failed refactoring of the shader. 2019-10-06 19:32:35 +02:00
Christoph Oelckers
cf30f5560b - upgraded the polymost fragment shader to GLSL 3.3 as well, removing all legacy features from it. 
The only compatibility mode feature left is the main drawer function using glBegin/glEnd but changing that is not as urgent as the rest.
This also cleans up the fog application and adds the exponential fog mode again that somehow got lost over time.
 2019-10-06 12:42:35 +02:00
Christoph Oelckers
71d132b470 - use explicitly declared matrix uniforms. 
The builtin matrices are no longer available in modern GLSL, preventing an upgrade of the shader.
Also perform better reporting of shader compilation errors.
 2019-10-06 10:19:51 +02:00
Christoph Oelckers
126f670239 - draft class for in-game textures. 
These will abstract away all the gory details so that the using code only sees a single entity to use.
 2019-10-06 09:31:36 +02:00
Christoph Oelckers
93ad83b380 - use GZDoom's texture backend to read hightile textures. (Hightile tinting code moved to the shader but isn't active yet. 
- remove all code for faking gamma correction through palette manipulated images.
 2019-10-05 21:59:03 +02:00
Christoph Oelckers
3c193bb243 - moved the animvpx shader to the backend code. 
This removes the final access to OpenGL from the rest of the source, with the exception of the glFinish call in the swap code.
 2019-10-05 13:38:02 +02:00
Christoph Oelckers
b83349fe6b - moved the surface shader to the backend and the shader source to the resource file. 2019-10-05 13:09:15 +02:00
Christoph Oelckers
bd4e4834e3 - moved the main shader and its entire uniform maintenance into the backend. 2019-10-05 12:28:08 +02:00
Christoph Oelckers
ae1e090716 - all non-shader related GL calls are gone from the main code base. 2019-10-04 21:13:04 +02:00
Christoph Oelckers
f992aebf33 - two more 2019-10-04 19:17:55 +02:00
Christoph Oelckers
cb80e877ff - refactored fog and depth func setting into GLInterface. 2019-10-04 18:44:16 +02:00
Christoph Oelckers
204abab724 glColor calls refactored. 2019-10-04 18:25:18 +02:00
Christoph Oelckers
96c0c3197c - abstracted away more OpenGL calls, in particular all matrix access. 2019-10-04 18:12:03 +02:00
Christoph Oelckers
e0f823a492 - refactored texture setup to use an intermediate layer. 2019-09-18 22:16:15 +02:00
Christoph Oelckers
b1763a8f4a - hooked up the texture management. 
Not in active use yet!
 2019-09-17 19:03:42 +02:00
Christoph Oelckers
2b439ae181 - work on backend 2019-09-16 23:28:26 +02:00
Christoph Oelckers
9edf6be10d - texture sampler class added, not used yet. 2019-09-16 22:56:48 +02:00
Christoph Oelckers
6536d910b3 - all drawing is being routed through the interface layer, all vertex buffers are gone. 
No big loss here, none of them made much sense performance wise.
 2019-09-16 21:08:42 +02:00
Christoph Oelckers
318009fd69 - added a centralized drawer and converted the main geometry drawer to use it. 2019-09-16 19:35:04 +02:00