X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.h;h=645aeaf6c13c40cfe0b869e97244d516dbfa01c7;hb=bb8b549e2d130e9f5d3fc6d9c229a5faa33e6315;hp=bde446bb56ac0e98369589354e9343f3f9a8891c;hpb=d7df76f224c0d0ebb8a3c7bc0c3125ba638206e6;p=xonotic%2Fdarkplaces.git

diff --git a/gl_backend.h b/gl_backend.h
index bde446bb..645aeaf6 100644
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -1,42 +1,121 @@
 
-#define MAX_TEXTUREUNITS 4
+#ifndef GL_BACKEND_H
+#define GL_BACKEND_H
 
-extern int c_meshtris;
+#define MAX_TEXTUREUNITS 8
 
+#define POLYGONELEMENTS_MAXPOINTS 258
+extern int polygonelements[768];
+
+void GL_SetupView_Orientation_Identity(void);
+void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix);
+void GL_SetupView_Mode_Perspective(double fovx, double fovy, double zNear, double zFar);
+void GL_SetupView_Mode_PerspectiveInfiniteFarClip(double fovx, double fovy, double zNear);
+void GL_SetupView_Mode_Ortho(double x1, double y1, double x2, double y2, double zNear, double zFar);
+void GL_BlendFunc(int blendfunc1, int blendfunc2);
+void GL_DepthMask(int state);
+void GL_DepthTest(int state);
+void GL_ColorMask(int r, int g, int b, int a);
+void GL_Color(float cr, float cg, float cb, float ca);
+void GL_ShowTrisColor(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);
+void GL_ActiveTexture(int num);
+void GL_ClientActiveTexture(int num);
+void GL_Scissor(int x, int y, int width, int height); // AK for DRAWQUEUE_SETCLIP
+void GL_ScissorTest(int state);	// AK for DRAWQUEUE_(RE)SETCLIP
+void GL_Clear(int mask);
+
+extern cvar_t gl_lockarrays;
+extern cvar_t gl_mesh_copyarrays;
+extern cvar_t gl_paranoid;
+extern cvar_t gl_printcheckerror;
+
+extern int c_meshelements, c_meshs;
+
+//input to R_Mesh_State
 typedef struct
 {
-	int transparent;
-	int depthwrite; // force depth writing enabled even if polygon is not opaque
-	int depthdisable; // disable depth read/write entirely
-	int blendfunc1;
-	int blendfunc2;
-	int numtriangles;
-	int *index;
-	int numverts;
-	float *vertex;
-	int vertexstep;
-	float *color;
-	int colorstep;
-	// if color is NULL, these are used for all vertices
-	float cr, cg, cb, ca;
+	// textures
+	int tex1d[MAX_TEXTUREUNITS];
 	int tex[MAX_TEXTUREUNITS];
-	float *texcoords[MAX_TEXTUREUNITS];
-	int texcoordstep[MAX_TEXTUREUNITS];
-	float texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+	int tex3d[MAX_TEXTUREUNITS];
+	int texcubemap[MAX_TEXTUREUNITS];
+	// texture combine settings
+	int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+	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
+	// matrices
+	matrix4x4_t texmatrix[MAX_TEXTUREUNITS];
+	// pointers
+	const float *pointer_texcoord[MAX_TEXTUREUNITS]; // 2D
+	const float *pointer_texcoord3f[MAX_TEXTUREUNITS]; // 3D
+
+	// other state set by this
+	const float *pointer_vertex;
+	const float *pointer_color;
 }
-rmeshinfo_t;
+rmeshstate_t;
 
 // adds console variables and registers the render module (only call from GL_Init)
 void gl_backend_init(void);
-// sets up mesh renderer for the frame
-void R_Mesh_Clear(void);
-// renders queued meshs
-void R_Mesh_Render(void);
-// queues a mesh to be rendered (invokes Render if queue is full)
-void R_Mesh_Draw(const rmeshinfo_t *m);
-// renders the queued transparent meshs
-void R_Mesh_AddTransparent(void);
-// ease-of-use frontend to R_Mesh_Draw, set up meshinfo, except for index and numtriangles and numverts, then call this
-void R_Mesh_DrawPolygon(rmeshinfo_t *m, int numverts);
-// ease-of-use frontend to R_Mesh_Draw for particles, no speed gain
-void R_Mesh_DrawParticle(vec3_t org, vec3_t right, vec3_t up, vec_t scale, int texnum, float cr, float cg, float cb, float ca, float s1, float t1, float s2, float t2, float fs1, float ft1, float fs2, float ft2);
\ No newline at end of file
+
+// starts mesh rendering for the frame
+void R_Mesh_Start(void);
+
+// ends mesh rendering for the frame
+// (only valid after R_Mesh_Start)
+void R_Mesh_Finish(void);
+
+// sets up the requested transform matrix
+void R_Mesh_Matrix(const matrix4x4_t *matrix);
+
+// set up the requested state
+void R_Mesh_State(const rmeshstate_t *m);
+
+// renders a mesh
+void R_Mesh_Draw(int numverts, int numtriangles, const int *elements);
+// renders a mesh as lines
+void R_Mesh_Draw_ShowTris(int numverts, int numtriangles, const int *elements);
+
+// saves a section of the rendered frame to a .tga or .jpg file
+qboolean SCR_ScreenShot(char *filename, qbyte *buffer1, qbyte *buffer2, qbyte *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, 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);
+
+extern float varray_vertex3f[65536*3];
+extern float varray_svector3f[65536*3];
+extern float varray_tvector3f[65536*3];
+extern float varray_normal3f[65536*3];
+extern float varray_color4f[65536*4];
+extern float varray_texcoord2f[4][65536*2];
+extern float varray_texcoord3f[4][65536*3];
+extern int earray_element3i[65536];
+extern float varray_vertex3f2[65536*3];
+
+#endif
+