Commit Graph

25 Commits

Author SHA1 Message Date
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