#define MAX_TEXTUREUNITS 8
-extern int c_meshtris, c_meshs;
+#define POLYGONELEMENTS_MAXPOINTS 258
+extern int polygonelements[768];
+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);
+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_UseColorArray(void);
+void GL_Color(float cr, float cg, float cb, float ca);
+void GL_TransformToScreen(const vec4_t in, vec4_t out);
+
+extern cvar_t gl_lockarrays;
+
+extern int c_meshelements, c_meshs;
+
+//input to R_Mesh_State
typedef struct
{
- //input to R_Mesh_Draw_GetBuffer
int depthwrite; // force depth writing enabled even if polygon is not opaque
int depthdisable; // disable depth read/write entirely
int blendfunc1;
int blendfunc2;
- int wantoverbright;
+ //int wantoverbright;
+ int tex1d[MAX_TEXTUREUNITS];
int tex[MAX_TEXTUREUNITS];
+ int tex3d[MAX_TEXTUREUNITS];
+ int texcubemap[MAX_TEXTUREUNITS];
int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
- matrix4x4_t matrix; // model to world transform matrix
+ 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
}
rmeshstate_t;
// overbright rendering scale for the current state
-extern float mesh_colorscale;
-extern int *varray_element;
-extern float *varray_vertex;
-extern float *varray_color;
-extern float *varray_texcoord[MAX_TEXTUREUNITS];
+extern int r_lightmapscalebit;
+extern float r_colorscale;
+extern float *varray_vertex3f;
+extern float *varray_color4f;
+extern float *varray_texcoord3f[MAX_TEXTUREUNITS];
+extern float *varray_texcoord2f[MAX_TEXTUREUNITS];
extern int mesh_maxverts;
-extern int mesh_maxtris;
// adds console variables and registers the render module (only call from GL_Init)
void gl_backend_init(void);
// starts mesh rendering for the frame
-void R_Mesh_Start(float farclip);
+void R_Mesh_Start(void);
// ends mesh rendering for the frame
// (only valid after R_Mesh_Start)
void R_Mesh_Finish(void);
-// clears depth buffer, used for masked sky rendering
-// (only valid between R_Mesh_Start and R_Mesh_Finish)
-void R_Mesh_ClearDepth(void);
+// sets up the requested transform matrix
+void R_Mesh_Matrix(const matrix4x4_t *matrix);
// sets up the requested state
void R_Mesh_State(const rmeshstate_t *m);
-// enlarges geometry buffers if they are too small
-#define R_Mesh_ResizeCheck(numverts, numtriangles) if ((numverts) > mesh_maxverts || (numtriangles) > mesh_maxtris) _R_Mesh_ResizeCheck(numverts, numtriangles);
-void _R_Mesh_ResizeCheck(int numverts, int numtriangles);
+// sets up the requested main state
+void R_Mesh_MainState(const rmeshstate_t *m);
+// sets up the requested texture state
+void R_Mesh_TextureState(const rmeshstate_t *m);
+
+// prepares varray_* buffers for rendering a mesh
+void R_Mesh_GetSpace(int numverts);
// renders the mesh in the varray_* buffers
-void R_Mesh_Draw(int numverts, int numtriangles);
+void R_Mesh_Draw(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);
// saves a section of the rendered frame to a .tga file
qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height);