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ioq3
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61 Commits

Author SHA1 Message Date
Zack Middleton 11337c9fa2 OpenGL2: Add GPU vertex skinning for IQM models 
Using GPU vertex skinning is significantly faster than CPU vertex
skinning. Especially since OpenGL2 has to run R_VaoPackNormal() and
R_VaoPackTangent() each vertex each frame which causes CPU vertex
skinning to be significantly slower than OpenGL1 renderer.
 2018-07-27 17:40:25 -05:00
Zack Middleton 658165cfbb Don't check fixed function GL extensions when using shader pipeline 
GL_TEXTURE_UNITS_ARB is not part of OpenGL ES 2 API and sets GL error.
It's not part of OpenGL 3.2 core profile either.
 2018-07-20 23:40:26 -05:00
Zack Middleton d861a4f427 Load OpenGL ES 2.0 function procs 
Load functions procs supported by OpenGL ES 2.0, though there is not a
compatible renderer yet. Change argument for GLimp_Init from coreContext
to fixedFunction.
 2018-07-20 23:40:21 -05:00
Zack Middleton bead4aa8c7 Fix renderer not clearing some GL extension variables at vid_restart 
If renderer is compiled into client (USE_RENDERER_DLOPEN=0) and after
start up set r_allowExtension to 0 and run vid_restart, some extension
were still used.
 2018-07-20 23:40:02 -05:00
Zack Middleton c74b9a4452 Remove unused renderer_buffer variable 2018-07-20 23:39:54 -05:00
SmileTheory c0c45d325d OpenGL2: Readd r_deluxeSpecular. 
https://github.com/ioquake/ioq3/issues/369
 2018-05-14 18:30:59 -07:00
Zack Middleton ac4802af8d OpenGL2: Fix brightness when r_autoExposure is disabled 
The game world is too dark when r_autoExposure is disabled. It can be
fixed by setting (cheat) r_cameraExposure to 1 but then the game is
too bright when r_autoExposure is enabled. So default r_cameraExposure
to 1 and make auto exposure subtract 1 from r_cameraExposure value.
 2017-10-02 20:46:36 -05:00
Zack Middleton c9d12aa3f3 Add common OpenGL version parsing + OpenGL 3 fixes 
- Parse OpenGL version in sdl_glimp.c to share with both renderers.
- Add GL_VERSION_ATLEAST(major, minor) macro.
- Get address of glGetStringi if using OpenGL 3.
- Fix glConfig.extensions_string when using GL3 core context in
opengl2 renderer.
- Make opengl1 renderer's gfxinfo support qglGetStringi too.
 2017-10-01 23:09:20 -05:00
Zack Middleton 20573bce43 Don't link to libGL at compile time 
Get all OpenGL functions using SDL_GL_GetProcAddress(). This makes it
easier to cross-arch compile on Linux and add support for OpenGL ES
in the future.

Users still have to supply their own libSDL2 for cross-arch compiling
on Linux. But now the user does not have to re-install libgl1-mesa-dev
package for i386 or amd64 on Debian when switching between compiling
ioquake3 for x86 and x86_64.
 2017-10-01 23:07:33 -05:00
Zack Middleton 6693465336 Don't try to remove non-existant command 'shaderstate' 
Remove commands in the order they are added because the different
orders is annoying.
 2017-07-27 18:58:46 -05:00
SmileTheory d549b642bc OpenGL2: Use an OpenGL 3.2 core context if available. 2017-07-13 12:03:10 -07:00
Zack Middleton 5aa7fb39c2 OpenGL2: Remove two unused cvars and update readme 2017-07-02 16:47:55 -05:00
SmileTheory c65d2c2657 Add vao cache for static surfaces. 
Remove support for draw range elements, multi draw arrays, world vao creation, surface merging.
 2017-04-28 02:13:25 -07:00
SmileTheory 730207817e OpenGL2: Don't bind null framebuffers when not using framebuffers. 2016-12-07 14:13:29 -08:00
SmileTheory 41ae7815c9 OpenGL2: Remove half float support. 
Not enough accuracy for textures larger than 1024x1024, such as merged lightmaps.
 2016-10-20 20:09:12 -07:00
SmileTheory 4faf1008a0 OpenGL2: Remove map color scaling and r_forceSunMapLightScale. 
Also simplify overbright code in ComputeShaderColors().
 2016-09-14 02:59:54 -07:00
SmileTheory dfbaf50324 OpenGL2: Store normals/tangents as int16_t[4]. 2016-09-06 00:57:15 -07:00
SmileTheory 716438168f OpenGL2: Use loader for all extension funcs. 2016-07-26 00:41:31 -07:00
SmileTheory 251c983681 OpenGL2: Require OpenGL 2.0. 2016-07-24 21:29:13 -07:00
SmileTheory 5738d09969 OpenGL2: Add r_glossType. 2016-03-07 03:30:16 -08:00
SmileTheory 90d6f941f8 OpenGL2: Add r_shadowBlur. 2016-03-07 02:27:03 -08:00
SmileTheory ad952b9537 OpenGL2: Merge several cvars into r_pbr. 
r_glossIsRoughness, r_specularIsMetallic, r_framebufferGamma, r_tonemapGamma, r_materialGamma, r_lightGamma
 2016-02-01 21:37:23 -08:00
SmileTheory 28ff383061 OpenGL2: Direct state access, part 3: Framebuffers. 2016-01-20 06:32:50 -08:00
SmileTheory f70e9dac01 OpenGL2: Direct state access, part 2: Uniforms. 2016-01-18 23:30:36 -08:00
SmileTheory 275317fefb OpenGL2: Direct state access, part 1: Texture binds 2016-01-18 04:46:01 -08:00
SmileTheory e2b2437966 OpenGL2: Add r_cubemapSize. 2015-12-24 16:34:58 -08:00
SmileTheory c3216f54d2 OpenGL2: Replace r_exportCubemaps cvar with exportCubemaps command. 2015-12-23 09:58:11 -08:00
SmileTheory a6a6162f04 OpenGL2: Add r_exportCubemaps for saving cubemaps on map load. 2015-12-22 05:04:07 -08:00
SmileTheory b52ede0445 OpenGL2: Add r_glossIsRoughness. 2015-12-08 21:23:50 -08:00
SmileTheory e5aabdaff6 OpenGL2: Remove some rendering options for simplicity. 2015-12-03 02:44:33 -08:00
SmileTheory 8c7fedb1fe OpenGL2: Fix face culling. 2014-11-30 21:50:33 -08:00
SmileTheory 943259f6b4 OpenGL2: Support half floats for texcoords and vertex colors. 2014-11-03 19:10:35 -08:00
SmileTheory 3765652778 OpenGL2: Fix corrupt models. 2014-10-23 16:51:10 -07:00
SmileTheory 0578b70f38 OpenGL2: Reduce redundant GL calls. 2014-10-14 06:15:06 -07:00
SmileTheory 84206c8598 OpenGL2: Vertex array object support. 2014-10-14 01:50:44 -07:00
Tim Angus 2a3368481d Merge branch 'master' into sdl2 
Conflicts:
	Makefile
	code/renderergl2/tr_image.c
 2014-08-25 15:00:48 +01:00
SmileTheory 2b2d696f12 OpenGL2: Add fourth cascade for sun shadows, and adjust sun shadow cvar defaults. 2014-07-31 21:01:57 -07:00
Zack Middleton 75cce50a9c Don't load external GLSL files by default 
External GLSL should probably only be used for development testing,
not released products. The GLSL files are tied to the code, and the
code changes some what often.

Fixes using OpenArena 0.8.8 which has incompatible GLSL files in a pk3.
 2014-07-25 23:57:53 -05:00
Zack Middleton 107cae63d6 Merge branch 'master' into sdl2 
Conflicts:
	.travis.yml
 2014-06-03 00:52:49 -05:00
Zack Middleton b12a9acf4d Merge branch 'master' (early part 2) into sdl2 2014-06-03 00:50:50 -05:00
SmileTheory 318d45cff5 OpenGL2: Reimplement MD3 tangent space calculation. 2014-05-27 18:20:12 -07:00
SmileTheory 4fe69cb418 OpenGL2: Remove sRGB support, replace with gamma cvars. 2014-04-16 05:26:03 -07:00
Zack Middleton 9ec7931c54 Merge branch 'master' into sdl2 2014-03-08 21:32:47 -06:00
SmileTheory ee67d0a981 OpenGL2: Add normalScale and parallaxDepth stage keywords and helper cvars. 2014-03-03 21:02:39 -08:00
SmileTheory 3740c55dec OpenGL2: Remove and force r_softOverbright. 2014-02-20 17:01:50 -08:00
Zack Middleton ed087bb89e Merge branch 'master' into sdl2 2014-02-07 23:24:12 -06:00
SmileTheory bc2efc4870 #6077: OpenGL2: Add r_ignoreDstAlpha. 2013-12-17 04:08:25 -08:00
SmileTheory f6f3a19f73 OpenGL2: Support GL_ARB_vertex_type_2_10_10_10_rev for normals/tangents/lightdirs 2013-12-09 17:33:54 -08:00
IR4T4 ca23b626a0 r_noborder changes require a restart 2013-12-06 23:29:47 -06:00
Tim Angus 779ebfacfd Merge branch 'master' into sdl2 2013-11-02 19:12:52 +00:00