added R_ScrollTexCoord2f (copies while texture coordinates with an offset)

[xonotic/darkplaces.git] / gl_backend.h

diff --git a/gl_backend.h b/gl_backend.h
index 40bb6cee53679f9d452a478bb702f0b15866b1dd..83125962ba5c081d161ef583c2be19bd130f34e9 100644 (file)
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -7,8 +7,6 @@
 #define POLYGONELEMENTS_MAXPOINTS 258
 extern int polygonelements[768];
 
-void GL_DrawRangeElements(int firstvert, int endvert, int indexcount, const int *index);
-
 void GL_SetupView_ViewPort (int x, int y, int width, int height);
 void GL_SetupView_Orientation_Identity (void);
 void GL_SetupView_Orientation_FromEntity (vec3_t origin, vec3_t angles);
@@ -17,8 +15,11 @@ void GL_SetupView_Mode_PerspectiveInfiniteFarClip (double fovx, double fovy, dou
 void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar);
 void GL_UseColorArray(void);
 void GL_Color(float cr, float cg, float cb, float ca);
+void GL_TransformToScreen(const vec4_t in, vec4_t out);
+void GL_LockArrays(int first, int count);
 
 extern cvar_t gl_lockarrays;
+extern cvar_t gl_mesh_copyarrays;
 
 extern int c_meshelements, c_meshs;
 
@@ -38,15 +39,20 @@ typedef struct
        int texalphascale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
        int texcombinergb[MAX_TEXTUREUNITS]; // works with or without combine for some operations
        int texcombinealpha[MAX_TEXTUREUNITS]; // does nothing without combine
+       int pointervertexcount;
+       float *pointer_vertex;
+       float *pointer_color;
+       float *pointer_texcoord[MAX_TEXTUREUNITS];
 }
 rmeshstate_t;
 
 // overbright rendering scale for the current state
 extern int r_lightmapscalebit;
 extern float r_colorscale;
-extern float *varray_vertex;
-extern float *varray_color;
-extern float *varray_texcoord[MAX_TEXTUREUNITS];
+extern float *varray_vertex3f;
+extern float *varray_color4f;
+extern float *varray_texcoord3f[MAX_TEXTUREUNITS];
+extern float *varray_texcoord2f[MAX_TEXTUREUNITS];
 extern int mesh_maxverts;
 
 // adds console variables and registers the render module (only call from GL_Init)
@@ -71,19 +77,51 @@ void R_Mesh_MainState(const rmeshstate_t *m);
 // sets up the requested texture state
 void R_Mesh_TextureState(const rmeshstate_t *m);
 
-// enlarges vertex arrays if they are too small
-#define R_Mesh_ResizeCheck(numverts) if ((numverts) > mesh_maxverts) _R_Mesh_ResizeCheck(numverts);
-void _R_Mesh_ResizeCheck(int numverts);
-
-// renders the mesh in the varray_* buffers
+// forcefully ends a batch (do this before calling any gl functions directly)
+void R_Mesh_EndBatch(void);
+// prepares varray_* buffers for rendering a mesh
+void R_Mesh_GetSpace(int numverts);
+// renders a mesh (optionally with batching)
 void R_Mesh_Draw(int numverts, int numtriangles, const int *elements);
-
-// saves a section of the rendered frame to a .tga file
-qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height);
+// renders a mesh without affecting batching
+void R_Mesh_Draw_NoBatching(int numverts, int numtriangles, const int *elements);
+
+// copies a vertex3f array into varray_vertex3f
+void R_Mesh_CopyVertex3f(const float *vertex3f, int numverts);
+// copies a texcoord2f array into varray_texcoord[tmu]
+void R_Mesh_CopyTexCoord2f(int tmu, const float *texcoord2f, int numverts);
+// copies a color4f array into varray_color4f
+void R_Mesh_CopyColor4f(const float *color4f, int numverts);
+// copies a texcoord2f array into another array, with scrolling
+void R_ScrollTexCoord2f (float *out2f, const float *in2f, int numverts, float s, float t);
+
+// saves a section of the rendered frame to a .tga or .jpg file
+qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qboolean jpeg);
 // used by R_Envmap_f and internally in backend, clears the frame
 void R_ClearScreen(void);
 // invoke refresh of frame
 void SCR_UpdateScreen (void);
 
+// public structure
+typedef struct rcachearrayrequest_s
+{
+       // for use by the code that is requesting the array, these are not
+       // directly used but merely compared to determine if cache items are
+       // identical
+       const void *id_pointer1;
+       const void *id_pointer2;
+       const void *id_pointer3;
+       int id_number1;
+       int id_number2;
+       int id_number3;
+       // size of array data
+       int data_size;
+       // array data pointer
+       void *data;
+}
+rcachearrayrequest_t;
+
+int R_Mesh_CacheArray(rcachearrayrequest_t *r);
+
 #endif