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89 commits

Author SHA1 Message Date
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
b066f725d4 - clear the matrix list after rendering the 2D content. 2020-01-19 23:27:59 +01:00
Christoph Oelckers
c8fa2443d3 - completely separated view and model matrix. 
This way the view matrix will remain constant per scene and an update of the model matrix is only needed for rendering a model or voxel, reducing the total amount of generated matrices to the point where they can be written to a buffer instead of constantly uploading them as uniforms.
 2020-01-19 16:07:09 +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
2dc0de5824 - fixed incorrect sampler binding. 2020-01-05 17:37:28 +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
Magnus Norddahl
13a7b7d4b2 Hook up gl_ssao 2020-01-03 18:34:43 +01:00
Christoph Oelckers
6ba04e7a09 - fixed voxel rendering in indexed color mode. 2020-01-03 18:30:00 +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
7ec8368688 - used the wrong formula to calculate shadeDiv. 2020-01-01 11:49:32 +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
1890df98f9 - process lines through the 2D drawer. 2019-12-31 19:02:55 +01:00
Christoph Oelckers
ad24a1ce31 - place weapon sprites in a separate render list. 
They need to be drawn in a different pass than the 2D overlay HUD so the backend must have them separately.
 2019-12-30 20:16:51 +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
62e9112133 - renamed the internal resource directory to "engine" and routed most literal mentions of the engine name through version.h 
All this comes from a time when I didn't use version.h so it's better to do it the same way as GZDoom to allow easy renaming of the engine.
 2019-12-26 14:04:53 +01:00
Christoph Oelckers
3b98635170 - removed all remaining references to SDL. The Windows version is now fully native. 2019-12-23 20:03:03 +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
a1f7f0cc30 - added the GL framebuffer class. 
Everything compiles again but obviously no init code will run for now.
 2019-12-23 15:40:17 +01:00
Christoph Oelckers
30cbcb54b1 - renamed the remaining file system access wrappers in cache1d.h 2019-12-07 10:31:27 +01:00
Christoph Oelckers
749eda32c5 - moved kopenfilereader into the FileSystem class. 2019-12-07 10:14:51 +01:00
Christoph Oelckers
b3b5ac440a - fixed Blood fullscreen tinting. 
The lookup table for blend equations was missing one entry at the start. No idea why this became apparent only now.
 2019-11-24 19:07:23 +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
5fc81d1bd4 - made brightmaps operational. 
The logic is not yet optimal but at least it works.
 2019-11-10 19:42:26 +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
0f74a5c3a4 - make the ImGui popup close on request. 2019-11-09 14:05:52 +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
1ee4efebb0 - fixed compilation. 2019-11-04 17:58:18 +01:00
Christoph Oelckers
1e0d49f947 - game starts again. 2019-10-26 13:16:32 +02:00
Christoph Oelckers
5cf5c74695 - let kopenFileReader have a look into demolition.pk3 if nothing else is found. 
This should help as long as the old resource management is still in place.
 2019-10-25 02:01:52 +02:00
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
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