disable r_coronas by default

disable r_coronas_occlusionquery by default (bad performance, especially
on multi-gpu)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11823 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=6afa7a6e201a648a7bca1f43033cdb7e448005a1

diff --git a/r_shadow.c b/r_shadow.c
index d4cf86b71b7152fc24c51d10ff6cf030fda0f669..06711c2269a88b476cca9b65b6e1f4a2ef17f0b9 100644 (file)
--- a/r_shadow.c
+++ b/r_shadow.c
@@ -344,9 +344,9 @@ cvar_t r_shadow_bouncegrid_updateinterval = {CVAR_SAVE, "r_shadow_bouncegrid_upd
 cvar_t r_shadow_bouncegrid_x = {CVAR_SAVE, "r_shadow_bouncegrid_x", "64", "maximum texture size of bouncegrid on X axis"};
 cvar_t r_shadow_bouncegrid_y = {CVAR_SAVE, "r_shadow_bouncegrid_y", "64", "maximum texture size of bouncegrid on Y axis"};
 cvar_t r_shadow_bouncegrid_z = {CVAR_SAVE, "r_shadow_bouncegrid_z", "32", "maximum texture size of bouncegrid on Z axis"};
-cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "1", "brightness of corona flare effects around certain lights, 0 disables corona effects"};
+cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "0", "brightness of corona flare effects around certain lights, 0 disables corona effects"};
 cvar_t r_coronas_occlusionsizescale = {CVAR_SAVE, "r_coronas_occlusionsizescale", "0.1", "size of light source for corona occlusion checksum the proportion of hidden pixels controls corona intensity"};
-cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "1", "use GL_ARB_occlusion_query extension if supported (fades coronas according to visibility)"};
+cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "0", "use GL_ARB_occlusion_query extension if supported (fades coronas according to visibility) - bad performance (synchronous rendering) - worse on multi-gpu!"};
 cvar_t gl_flashblend = {CVAR_SAVE, "gl_flashblend", "0", "render bright coronas for dynamic lights instead of actual lighting, fast but ugly"};
 cvar_t gl_ext_separatestencil = {0, "gl_ext_separatestencil", "1", "make use of OpenGL 2.0 glStencilOpSeparate or GL_ATI_separate_stencil extension"};
 cvar_t gl_ext_stenciltwoside = {0, "gl_ext_stenciltwoside", "1", "make use of GL_EXT_stenciltwoside extension (NVIDIA only)"};