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30 Commits

Author SHA1 Message Date
Lojjik Braughler
453705553b renderergl2: reimplement greyscale as backend post after all 2D+3D draws 
Fixes #654 - HUD/UI previously bypassed greyscale.
r_greyscale now supports partial desaturation [0-1].
Removed unused legacy logic from tr_shade.c
 2025-11-11 12:21:15 +00:00
Tim Angus
75fb0ddccc Use correct abs function in FBO_FastBlit 2025-07-14 17:42:18 +01:00
Zack Middleton
7426ac2176 OpenGL2: Fix sun rays being affected by the viewport size 
Using r_drawSunRays 1, r_hdr 0, cg_viewsize 50 caused the sun rays to
only draw properly in the bottom right quarter of the world viewport.

The scissor rectangle for the world viewport was applied to the first
FBO_FastBlit() in RB_SunRays().

Set glScissor() in FBO_FastBlit() as it's done in FBO_Blit() and
FBO_BlitFromTexture(). Sun rays probably worked correctly with r_hdr 1
because the blit for HDR changed the scissor state.
 2024-02-08 16:34:05 -05:00
Zack Middleton
03bc4eb810 OpenGL2: Fix FB-MSAA on AMD Windows driver 
Fix r_ext_framebuffer_multisample > 0 causing the screen to always be
solid black when using AMD Windows driver.

The AMD Windows driver requires binding renderbuffer for it to be valid.
The OpenGL2 renderer uses GL_EXT_direct_state_access that shouldn't
require this. It would be required for Core/GL_ARB_direct_state_access.
It seems like a driver bug.
 2023-11-20 18:30:12 -05:00
Edward Betts
fe42b8653d Correct spelling mistakes. 2017-11-22 01:40:20 -06:00
SmileTheory
6f1712dafe OpenGL2: "Fix" cg_shadows 4. 2017-07-14 16:15:02 -07:00
SmileTheory
d549b642bc OpenGL2: Use an OpenGL 3.2 core context if available. 2017-07-13 12:03:10 -07:00
SmileTheory
0672905ef1 OpenGL2: Detect Intel graphics and avoid/use certain operations there. 
Also use qglCopyTextureSubImage2DEXT instead of qglCopyTextureImage2DEXT.
 2016-12-07 22:30:55 -08:00
SmileTheory
730207817e OpenGL2: Don't bind null framebuffers when not using framebuffers. 2016-12-07 14:13:29 -08:00
SmileTheory
e022abeebb OpenGL2: Fix GL_EXT_direct_state_access function names. 2016-07-28 20:04:25 -07:00
SmileTheory
1f6703821f OpenGL2: Some FBO cleanup, and add non-depth blur to blur shader. 2016-04-05 02:37:05 -07:00
SmileTheory
934014e237 OpenGL2: Create FBOs if target image exists, not cvar settings. 2016-03-09 18:03:23 -08:00
SmileTheory
90d6f941f8 OpenGL2: Add r_shadowBlur. 2016-03-07 02:27:03 -08:00
SmileTheory
d11cfc88d5 OpenGL2: Fix some GL errors and no sun shadows on older OpenGLs. 2016-02-17 19:49:21 -08:00
SmileTheory
558da25277 OpenGL2: Some FBO related cleanup/fixes. 2016-01-21 22:31:41 -08:00
SmileTheory
28ff383061 OpenGL2: Direct state access, part 3: Framebuffers. 2016-01-20 06:32:50 -08:00
Zack Middleton
4473924636 Remove logically dead code in R_CheckFBO 
Found by Coverity.
 2015-07-12 20:35:22 -05:00
Zack Middleton
99b74fc5bf OpenGL2: Remove unused function prototype from tr_fbo.c 2015-02-07 18:52:03 -06:00
Zack Middleton
1ba9e7a45e Always use GL_Cull to change cull state 
Manually changing cull state can cause later GL_Cull calls to not change
the cull state.
 2014-10-29 01:32:50 -05:00
SmileTheory
0578b70f38 OpenGL2: Reduce redundant GL calls. 2014-10-14 06:15:06 -07:00
SmileTheory
2b2d696f12 OpenGL2: Add fourth cascade for sun shadows, and adjust sun shadow cvar defaults. 2014-07-31 21:01:57 -07:00
SmileTheory
eea652f5c5 Don't create images/framebuffers that won't be used, and add checks before use. 2014-01-12 20:52:36 -08:00
SmileTheory
d63d7ba6bf OpenGL2: Use RGBA16F format for HDR. 
RGB16F is not 4-byte aligned and not supported by certain hardware.
 2013-11-20 00:48:18 -08:00
SmileTheory
c350963bf2 OpenGL2: Match glsl data type names: matrix_t -> mat4_t, vec*i_t -> ivec*_t 2013-11-19 03:23:50 -08:00
SmileTheory
8c3ae8d7d2 OpenGL2: Reimplement soft overbright to avoid a framebuffer blit. 2013-11-05 00:08:59 -08:00
SmileTheory
7e875c6941 #5979: Cubemap support for opengl2. 2013-09-16 00:54:26 -07:00
/dev/humancontroller
2d54a12615 fix some "\n"-related stuff 
add missing "\n"s to some Printf()-like calls (in Rend2)
drop erroneous "\n"s from some Error()-like calls (in Rend2)
drop erroneous "\n" from a Com_Error() call (in vm_sparc.c)
 2013-05-30 15:32:44 -05:00
SmileTheory
8b23985358 Make all GLSL shaders use the same set of uniforms. 2013-03-20 22:53:30 -07:00
SmileTheory
fbe56e4fa1 Some minor cleanup. 2013-03-06 02:02:01 -08:00
Tim Angus
f6fb9eb602 renderer -> renderergl1, rend2 -> renderergl2 2013-02-15 23:46:37 +00:00