new cvars: r_drawparticles_nearclip_min and r_drawparticles_nearclip_max, use a range...

[xonotic/darkplaces.git] / gl_backend.c

diff --git a/gl_backend.c b/gl_backend.c
index af648a9418b1ee2e64677138e8ec427e7fd71bbd..bd2d422099059861b5d98052afe578e8b31954e3 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -14,8 +14,6 @@ cvar_t r_renderview = {0, "r_renderview", "1", "enables rendering 3D views (you
 cvar_t r_waterwarp = {CVAR_SAVE, "r_waterwarp", "1", "warp view while underwater"};
 cvar_t gl_polyblend = {CVAR_SAVE, "gl_polyblend", "1", "tints view while underwater, hurt, etc"};
 cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1", "enables OpenGL dithering (16bit looks bad with this off)"};
-cvar_t gl_lockarrays = {0, "gl_lockarrays", "0", "enables use of glLockArraysEXT, may cause glitches with some broken drivers, and may be slower than normal"};
-cvar_t gl_lockarrays_minimumvertices = {0, "gl_lockarrays_minimumvertices", "1", "minimum number of vertices required for use of glLockArraysEXT, setting this too low may reduce performance"};
 cvar_t gl_vbo = {CVAR_SAVE, "gl_vbo", "3", "make use of GL_ARB_vertex_buffer_object extension to store static geometry in video memory for faster rendering, 0 disables VBO allocation or use, 1 enables VBOs for vertex and triangle data, 2 only for vertex data, 3 for vertex data and triangle data of simple meshes (ones with only one surface)"};
 cvar_t gl_fbo = {CVAR_SAVE, "gl_fbo", "1", "make use of GL_ARB_framebuffer_object extension to enable shadowmaps and other features using pixel formats different from the framebuffer"};
 
@@ -282,8 +280,6 @@ void gl_backend_init(void)
        Cvar_RegisterVariable(&gl_polyblend);
        Cvar_RegisterVariable(&v_flipped);
        Cvar_RegisterVariable(&gl_dither);
-       Cvar_RegisterVariable(&gl_lockarrays);
-       Cvar_RegisterVariable(&gl_lockarrays_minimumvertices);
        Cvar_RegisterVariable(&gl_vbo);
        Cvar_RegisterVariable(&gl_paranoid);
        Cvar_RegisterVariable(&gl_printcheckerror);
@@ -295,7 +291,7 @@ void gl_backend_init(void)
 
        Cmd_AddCommand("gl_vbostats", GL_VBOStats_f, "prints a list of all buffer objects (vertex data and triangle elements) and total video memory used by them");
 
-       R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap);
+       R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap, NULL, NULL);
 }
 
 void GL_SetMirrorState(qboolean state);
@@ -408,9 +404,6 @@ void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix
        float m[16];
        memset(v, 0, sizeof(*v));
 
-       if(v_flipped.integer)
-               frustumx = -frustumx;
-
        v->type = R_VIEWPORTTYPE_PERSPECTIVE;
        v->cameramatrix = *cameramatrix;
        v->x = x;
@@ -436,6 +429,14 @@ void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix
        if (nearplane)
                R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 
+       if(v_flipped.integer)
+       {
+               m[0] = -m[0];
+               m[4] = -m[4];
+               m[8] = -m[8];
+               m[12] = -m[12];
+       }
+
        Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
 }
 
@@ -446,9 +447,6 @@ void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *came
        float m[16];
        memset(v, 0, sizeof(*v));
 
-       if(v_flipped.integer)
-               frustumx = -frustumx;
-
        v->type = R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP;
        v->cameramatrix = *cameramatrix;
        v->x = x;
@@ -474,6 +472,14 @@ void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *came
        if (nearplane)
                R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 
+       if(v_flipped.integer)
+       {
+               m[0] = -m[0];
+               m[4] = -m[4];
+               m[8] = -m[8];
+               m[12] = -m[12];
+       }
+
        Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
 }
 
@@ -997,33 +1003,6 @@ void GL_Color(float cr, float cg, float cb, float ca)
        }
 }
 
-void GL_LockArrays(int first, int count)
-{
-       if (count < gl_lockarrays_minimumvertices.integer)
-       {
-               first = 0;
-               count = 0;
-       }
-       if (gl_state.lockrange_count != count || gl_state.lockrange_first != first)
-       {
-               if (gl_state.lockrange_count)
-               {
-                       gl_state.lockrange_count = 0;
-                       CHECKGLERROR
-                       qglUnlockArraysEXT();
-                       CHECKGLERROR
-               }
-               if (count && vid.support.ext_compiled_vertex_array && gl_lockarrays.integer)
-               {
-                       gl_state.lockrange_first = first;
-                       gl_state.lockrange_count = count;
-                       CHECKGLERROR
-                       qglLockArraysEXT(first, count);
-                       CHECKGLERROR
-               }
-       }
-}
-
 void GL_Scissor (int x, int y, int width, int height)
 {
        CHECKGLERROR
@@ -1712,8 +1691,6 @@ void R_Mesh_TexBind(unsigned int unitnum, rtexture_t *tex)
        }
 }
 
-static const float gl_identitymatrix[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};
-
 void R_Mesh_TexMatrix(unsigned int unitnum, const matrix4x4_t *matrix)
 {
        gltextureunit_t *unit = gl_state.units + unitnum;