implemented detection of GL_EXT_blend_subtract

[xonotic/darkplaces.git] / glquake.h

diff --git a/glquake.h b/glquake.h
index 02a955eb66d7d723dda0ef4171cfb0c44b130ab9..32b76f2d5e14aef5bad694053ed06ec1ea975275 100644 (file)
--- a/glquake.h
+++ b/glquake.h
@@ -239,6 +239,9 @@ extern int gl_max_anisotropy;
 #define GL_POINT_SMOOTH                         0x0B10
 #define GL_LINE_SMOOTH                          0x0B20
 #define GL_POLYGON_SMOOTH                       0x0B41
+
+#define GL_POLYGON_STIPPLE                0x0B42
+
 #endif
 
 extern int gl_max_texture_size;
@@ -396,6 +399,26 @@ extern int gl_support_clamptoedge;
 extern void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
 extern int gl_support_stenciltwoside;
 
+//GL_EXT_blend_minmax
+extern int gl_support_ext_blend_minmax;
+#ifndef GL_FUNC_ADD_EXT
+#define GL_FUNC_ADD_EXT                   0x8006 // also supplied by GL_EXT_blend_subtract
+#define GL_MIN_EXT                        0x8007
+#define GL_MAX_EXT                        0x8008
+#define GL_BLEND_EQUATION_EXT             0x8009 // also supplied by GL_EXT_blend_subtract
+extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_EXT_blend_subtract
+#endif
+
+//GL_EXT_blend_subtract
+extern int gl_support_ext_blend_subtract;
+#ifndef GL_FUNC_SUBTRACT_EXT
+#define GL_FUNC_SUBTRACT_EXT              0x800A
+#define GL_FUNC_REVERSE_SUBTRACT_EXT      0x800B
+#endif
+
+//GL_ARB_texture_non_power_of_two
+extern int gl_support_arb_texture_non_power_of_two;
+
 extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
 
 extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
@@ -553,6 +576,7 @@ extern void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint
 extern void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
 extern void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
 extern void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
+extern void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
 #ifndef GL_PROGRAM_OBJECT_ARB
 #define GL_PROGRAM_OBJECT_ARB                                  0x8B40
 #define GL_OBJECT_TYPE_ARB                                             0x8B4E