only honor r_shadow_shadowmapping cvar if both GLSL & FBO support are available

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9324 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/r_shadow.c b/r_shadow.c
index aed531d5181b60dd7c40491de3b56e3ee4bddc29..7c4e9917fcc01665fd054233042d72cf4725b52a 100644 (file)
--- a/r_shadow.c
+++ b/r_shadow.c
@@ -368,7 +368,7 @@ void R_Shadow_SetShadowMode(void)
        r_shadow_shadowmapsampler = false;
        r_shadow_shadowmappcf = 0;
        r_shadow_shadowmode = 0;
-       if(r_shadow_shadowmapping.integer && gl_support_fragment_shader)
+       if(r_shadow_shadowmapping.integer && r_glsl.integer && gl_support_fragment_shader && gl_support_ext_framebuffer_object)
        {
                if(r_shadow_shadowmapfilterquality < 0)
                {
@@ -4133,7 +4133,7 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
        lodlinear = (int)(r_shadow_shadowmapping_lod_bias.value + r_shadow_shadowmapping_lod_scale.value * rtlight->radius / max(1.0f, distance));
        lodlinear = bound(r_shadow_shadowmapping_minsize.integer, lodlinear, r_shadow_shadowmapping_maxsize.integer);
 
-       if (castshadows && r_shadow_shadowmode >= 1 && r_shadow_shadowmode <= 3 && r_glsl.integer && gl_support_fragment_shader)
+       if (castshadows && r_shadow_shadowmode >= 1 && r_shadow_shadowmode <= 3)
        {
                float borderbias;
                int side;
@@ -4296,7 +4296,7 @@ void R_ShadowVolumeLighting(qboolean visible)
        size_t range;
 
        if (r_shadow_shadowmapmaxsize != bound(1, r_shadow_shadowmapping_maxsize.integer, 2048) || 
-               (r_shadow_shadowmode != 0) != (r_shadow_shadowmapping.integer != 0) || 
+               (r_shadow_shadowmode != 0) != (r_shadow_shadowmapping.integer != 0 && r_glsl.integer && gl_support_fragment_shader && gl_support_ext_framebuffer_object) || 
                r_shadow_shadowmapvsdct != (r_shadow_shadowmapping_vsdct.integer != 0) || 
                r_shadow_shadowmaptexturetype != r_shadow_shadowmapping_texturetype.integer ||
                r_shadow_shadowmapfilterquality != r_shadow_shadowmapping_filterquality.integer ||