no longer needed (makefile does it all now)

[xonotic/darkplaces.git] / vid_shared.c

diff --git a/vid_shared.c b/vid_shared.c
index 37f2444bf40decf590e869bbe2e795d028019f6e..8f33726427d5e70fb4d6dba5dab664b6614a11c0 100644 (file)
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -26,6 +26,10 @@ int gl_texturecubemap = false;
 int gl_dot3arb = false;
 // GL_SGIS_texture_edge_clamp
 int gl_support_clamptoedge = false;
+// GL_NV_vertex_array_range
+int gl_support_var = false;
+// GL_NV_vertex_array_range2
+int gl_support_var2 = false;
 
 // LordHavoc: if window is hidden, don't update screen
 int vid_hidden = true;
@@ -98,6 +102,11 @@ void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
 void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
 void (GLAPIENTRY *qglUnlockArraysEXT) (void);
 
+//GL_NV_vertex_array_range
+GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
+GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
+GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
+GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
 
 // general GL functions
 
@@ -374,6 +383,25 @@ static dllfunction_t texture3dextfuncs[] =
        {NULL, NULL}
 };
 
+static dllfunction_t glxvarfuncs[] =
+{
+       {"glXAllocateMemoryNV", (void **) &qglAllocateMemoryNV},
+       {"glXFreeMemoryNV", (void **) &qglFreeMemoryNV},
+       {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV},
+       {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV},
+       {NULL, NULL}
+};
+
+static dllfunction_t wglvarfuncs[] =
+{
+       {"wglAllocateMemoryNV", (void **) &qglAllocateMemoryNV},
+       {"wglFreeMemoryNV", (void **) &qglFreeMemoryNV},
+       {"glVertexArrayRangeNV", (void **) &qglVertexArrayRangeNV},
+       {"glFlushVertexArrayRangeNV", (void **) &qglFlushVertexArrayRangeNV},
+       {NULL, NULL}
+};
+
+
 void VID_CheckExtensions(void)
 {
        gl_stencil = vid_stencil.integer;
@@ -382,6 +410,8 @@ void VID_CheckExtensions(void)
        gl_supportslockarrays = false;
        gl_textureunits = 1;
        gl_support_clamptoedge = false;
+       gl_support_var = false;
+       gl_support_var2 = false;
 
        if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
                Sys_Error("OpenGL 1.1.0 functions not found\n");
@@ -410,11 +440,50 @@ void VID_CheckExtensions(void)
        gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
        gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
 
+       if (!strcmp(gl_platform, "GLX"))
+               gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", glxvarfuncs, "-novar", false);
+       else if (!strcmp(gl_platform, "WGL"))
+               gl_support_var = GL_CheckExtension("GL_NV_vertex_array_range", wglvarfuncs, "-novar", false);
+       if (gl_support_var)
+               gl_support_var2 = GL_CheckExtension("GL_NV_vertex_array_range2", NULL, "-novar2", false);
+
        // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
        if (qglDrawRangeElements == NULL)
                qglDrawRangeElements = qglDrawRangeElementsEXT;
 }
 
+int vid_vertexarrays_are_var = false;
+void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority)
+{
+       void *m;
+       vid_vertexarrays_are_var = false;
+       if (fast && qglAllocateMemoryNV)
+       {
+               CHECKGLERROR
+               m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
+               CHECKGLERROR
+               if (m)
+               {
+                       vid_vertexarrays_are_var = true;
+                       return m;
+               }
+       }
+       return Mem_Alloc(pool, size);
+}
+
+void VID_FreeVertexArrays(void *pointer)
+{
+       if (vid_vertexarrays_are_var)
+       {
+               CHECKGLERROR
+               qglFreeMemoryNV(pointer);
+               CHECKGLERROR
+       }
+       else
+               Mem_Free(pointer);
+       vid_vertexarrays_are_var = false;
+}
+
 void Force_CenterView_f (void)
 {
        cl.viewangles[PITCH] = 0;
@@ -717,3 +786,4 @@ void VID_Close(void)
        VID_CloseSystems();
        VID_Shutdown();
 }
+