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44 Commits

Author SHA1 Message Date
PeterN 4031894aef
Cleanup: Remove svn-style `$Id$` comments. (#10122) 2022-11-01 18:24:31 -06:00
Niels Martin Hansen 345dcd3c7b Add: Show current video driver info in Options window 2022-05-03 21:03:30 +02:00
Michael Lutz 883e21dbb7 Codechange: [OSX] We use OpenGL even if Apple doesn't like it. 2021-06-22 21:09:37 +02:00
Rubidium 357af686dc Cleanup: use true/false instead of 1/0 where applicable 2021-06-17 16:18:30 +02:00
Rubidium f904aef176 Cleanup: use nullptr instead of 0 or NULL 2021-06-17 16:18:30 +02:00
rubidium42 55a11710a6 Codechange: convert printf DEBUG statements to fmt Debug statements 2021-06-13 12:45:45 +02:00
Michael Lutz 97722931a9 Fix: [OpenGL] Increase timeout when waiting for the GPU to be done with the drawing buffer. 
The old timeout could be too short if v-sync was on on lower refresh rates.
 2021-05-23 12:22:59 +02:00
Michael Lutz f4d5c8d99e
Fix: [OpenGL] Main loop expects to start with the video buffer unmapped. (#9100) 2021-04-25 00:43:38 +02:00
Michael Lutz d1dd997f07 Change: [Win32] Limit the OpenGL video driver to OpenGL 3.2 or newer on Windows. 2021-04-22 21:04:04 +02:00
Michael Lutz e53313391a Fix: [OpenGL] Check maximum supported texture size against screen resolution. 2021-04-21 22:44:59 +02:00
Michael Lutz 433602b072 Fix #9028: [OpenGL] Clear cursor cache on destroying the OpenGL backend. 2021-04-12 22:40:40 +02:00
Jonathan G Rennison 39b7ef31f8 Fix: Data races on cursor state in OpenGL backends 2021-04-10 18:31:42 +02:00
Jonathan G Rennison fbd0a2e65a Fix: Thread unsafe use of sprite cache in OpenGLBackend::DrawMouseCursor 
See also: #8870
See also: #8977
 2021-04-10 18:31:42 +02:00
Milek7 7a886cb4d4 Change: Do not disallow persistent buffer mapping on AMD GPUs, as it is actually faster. 2021-03-25 19:37:24 +00:00
Michael Lutz df958dc907 Fix f0f96e31: [OpenGL] Broken window resizing due to invalid buffer pitch on texture creation. 2021-03-21 22:26:55 +01:00
frosch 0230624359
Fix f0f96e31: [OpenGL] warning: comparison of integer expressions of different signedness. (#8881) 2021-03-21 18:38:51 +01:00
Michael Lutz f0f96e3103
Fix #8871: [OpenGL] Initialize all buffers after resize and clear back buffer. (#8877) 2021-03-20 19:43:54 +01:00
Michael Lutz 436cdf1fc8 Fix #8825: [OpenGL] Don't clear cursor cache from the game loop thread. 2021-03-08 21:35:35 +01:00
Patric Stout e56d2c63c3 Add: [Video] move GameLoop into its own thread 
This allows drawing to happen while the GameLoop is doing an
iteration too.

Sadly, not much drawing currently can be done while the GameLoop
is running, as for example PollEvent() or UpdateWindows() can
influence the game-state. As such, they first need to acquire a
lock on the game-state before they can be called.

Currently, the main advantage is the time spend in Paint(), which
for non-OpenGL drivers can be a few milliseconds. For OpenGL this
is more like 0.05 milliseconds; in these instances this change
doesn't add any benefits for now.

This is an alternative to the former "draw-thread", which moved
the drawing in a thread for some OSes. It has similar performance
gain as this does, although this implementation allows for more
finer control over what suffers when the GameLoop takes too
long: drawing or the next GameLoop. For now they both suffer
equally.
 2021-03-08 19:18:55 +01:00
Michael Lutz d79398a1d5 Fix #8763: [OpenGL] Cursor sprite origin can be negative. 2021-02-28 11:12:13 +01:00
Michael Lutz 77854d561b Fix: [OpenGL] Don't use OpenGL on MESA software renderers. 
Performance in this case is worse than not using OpenGL, so just let
OTTD fall back to a different video driver.
 2021-02-27 19:01:34 +01:00
frosch dfa141818b Fix: OpenGL cursor did not consider sprite offsets of cursor sprites. 2021-02-27 14:52:11 +01:00
Michael Lutz 311df31fb1 Codechange: [OpenGL] Load all OpenGL functions dynamically. 2021-02-25 00:34:49 +01:00
Michael Lutz a0c1a3f736 Codechange: [OpenGL] Simplify loading OpenGL extension functions. 2021-02-25 00:34:49 +01:00
Michael Lutz e1e8cc3851
Fix #8734: [OpenGL] Apply palette remap to cursor sprites. (#8742) 2021-02-24 22:10:25 +01:00
Michael Lutz b4a3bc1ffe Codechange: [OpenGL] Separate context state setup from general init. 2021-02-22 22:16:07 +01:00
Michael Lutz 86c309ea75 Codechange: [OpenGL] Let OpenGL clear the pixel buffer if possible. 2021-02-22 22:16:07 +01:00
Michael Lutz ae7c63cc35 Codechange: [OpenGL] Use persistently mapped pixel buffers when supported. 2021-02-22 22:16:07 +01:00
Michael Lutz 200be7d20c Add: [OpenGL] Support for a separate animation buffer that stores the palette values of the screen in addition to the colour buffer. 2021-02-22 22:16:07 +01:00
Michael Lutz 6bcc4884c2 Add: [OpenGL] Accelerated mouse cursor drawing. 2021-02-22 22:16:07 +01:00
Michael Lutz bcd15b4dd2 Codechange: [OpenGL] Initialize backing store to opaque alpha to allow blending effects. 2021-02-22 22:16:07 +01:00
Michael Lutz e8fc050b6e Add: [OpenGL] Support for 8bpp blitters. 2021-02-22 22:16:07 +01:00
Michael Lutz 320072c8dc Codechange: [OpenGL] Explicitly assign which framebuffer target receives the colour values. 2021-02-22 22:16:07 +01:00
Michael Lutz 821f30f735 Codechange: [OpenGL] Use GLSL version 1.50 if available. 2021-02-22 22:16:07 +01:00
Michael Lutz 90fd8f8cda Codechange: [OpenGL] Use generic vertex attributes in the shader program. 2021-02-22 22:16:07 +01:00
Michael Lutz acf59f6b68 Codechange: [OpenGL] Use shaders to display the video buffer on screen. 2021-02-22 22:16:07 +01:00
Michael Lutz 9a069faa01 Codechange: [Win32] Try to get an OpenGL 3.2+ context if possible. 2021-02-22 22:16:07 +01:00
Michael Lutz a990c497b5 Codechange: [OpenGL] Use a pixel buffer object to store the video buffer. 2021-02-22 22:16:07 +01:00
Michael Lutz 5af0cfd902 Codechange: [OpenGL] Use a vertex array object to store the vertex state for the video buffer. 2021-02-22 22:16:07 +01:00
Michael Lutz acf2ce35f7 Codechange: [OpenGL] Use a vertex buffer object to store the vertex data for the video buffer. 2021-02-22 22:16:07 +01:00
Michael Lutz 5ad545dcc1 Codechange: [OpenGL] Only update the dirty parts of the video buffer texture. 2021-02-22 22:16:07 +01:00
Michael Lutz 3a77ade6b2 Codechange: [OpenGL] Enable driver debug messages if supported. 2021-02-22 22:16:07 +01:00
Michael Lutz d7b96a424f Codechange: [OpenGL] Use new-style extension testing introduced with OpenGL 3.0. 2021-02-22 22:16:07 +01:00
Michael Lutz ef478ade64 Add: [Win32] Video driver that uses OpenGL to transfer the video buffer to the screen. 2021-02-22 22:16:07 +01:00