fixed bug where animated mdl skins (such as Tomaz's health box and

[xonotic/darkplaces.git] / vid_shared.c

diff --git a/vid_shared.c b/vid_shared.c
index d15856b333045a649f3298e4f04ccd5ccdb283d3..0da502200ebb1ef04285ee38fec8e0a5595131e1 100644 (file)
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -58,6 +58,8 @@ int gl_support_shading_language_100 = false;
 int gl_support_vertex_shader = false;
 // GL_ARB_fragment_shader
 int gl_support_fragment_shader = false;
+//GL_ARB_vertex_buffer_object
+int gl_support_arb_vertex_buffer_object;
 
 // LordHavoc: if window is hidden, don't update screen
 qboolean vid_hidden = true;
@@ -348,6 +350,16 @@ GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLchar
 //void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
 //void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
 
+//GL_ARB_vertex_buffer_object
+void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
+void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
+void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
+GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
+GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
+GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
+void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
+void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
+
 int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
 {
        int failed = false;
@@ -645,6 +657,18 @@ static dllfunction_t vertexshaderfuncs[] =
        {NULL, NULL}
 };
 
+static dllfunction_t vbofuncs[] =
+{
+       {"glBindBufferARB"    , (void **) &qglBindBufferARB},
+       {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
+       {"glGenBuffersARB"    , (void **) &qglGenBuffersARB},
+       {"glIsBufferARB"      , (void **) &qglIsBufferARB},
+       {"glMapBufferARB"     , (void **) &qglMapBufferARB},
+       {"glUnmapBufferARB"   , (void **) &qglUnmapBufferARB},
+       {"glBufferDataARB"    , (void **) &qglBufferDataARB},
+       {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
+       {NULL, NULL}
+};
 
 void VID_CheckExtensions(void)
 {
@@ -673,6 +697,7 @@ void VID_CheckExtensions(void)
        gl_support_shading_language_100 = false;
        gl_support_vertex_shader = false;
        gl_support_fragment_shader = false;
+       gl_support_arb_vertex_buffer_object = false;
 
        if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
                Sys_Error("OpenGL 1.1.0 functions not found");
@@ -735,6 +760,9 @@ void VID_CheckExtensions(void)
 // COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
        gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
 
+// COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
+       gl_support_arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", 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;