X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_draw.c;h=717f0b8983874b90ff0cb43cb08c519e2714737d;hp=5928120854c68c2cd5b11b85851fb2acb4dd57e5;hb=1740f737276f086c2f19758f72881a20e5070b57;hpb=54c9d0986ce2000adcf80d200b18d22db4f1fd93

diff --git a/gl_draw.c b/gl_draw.c
index 59281208..717f0b89 100644
--- a/gl_draw.c
+++ b/gl_draw.c
@@ -20,8 +20,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
-//#define GL_COLOR_INDEX8_EXT     0x80E5
-
 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1"};
 
 static rtexture_t *char_texture;
@@ -37,7 +35,7 @@ static int numcachepics;
 
 static rtexturepool_t *drawtexturepool;
 
-static byte pointerimage[256] =
+static qbyte pointerimage[256] =
 {
 	"333333332......."
 	"26777761........"
@@ -60,7 +58,7 @@ static byte pointerimage[256] =
 static rtexture_t *draw_generatemousepointer(void)
 {
 	int i;
-	byte buffer[256][4];
+	qbyte buffer[256][4];
 	for (i = 0;i < 256;i++)
 	{
 		if (pointerimage[i] == '.')
@@ -84,7 +82,7 @@ static rtexture_t *draw_generatemousepointer(void)
 // must match NUMCROSSHAIRS in r_crosshairs.c
 #define NUMCROSSHAIRS 5
 
-static byte *crosshairtexdata[NUMCROSSHAIRS] =
+static qbyte *crosshairtexdata[NUMCROSSHAIRS] =
 {
 	"................"
 	"................"
@@ -176,7 +174,7 @@ static rtexture_t *draw_generatecrosshair(int num)
 {
 	int i;
 	char *in;
-	byte data[16*16][4];
+	qbyte data[16*16][4];
 	in = crosshairtexdata[num];
 	for (i = 0;i < 16*16;i++)
 	{
@@ -192,7 +190,7 @@ static rtexture_t *draw_generatecrosshair(int num)
 			data[i][0] = 255;
 			data[i][1] = 255;
 			data[i][2] = 255;
-			data[i][3] = (byte) ((int) (in[i] - '0') * 255 / 7);
+			data[i][3] = (qbyte) ((int) (in[i] - '0') * 255 / 7);
 		}
 	}
 	return R_LoadTexture(drawtexturepool, va("crosshair%i", num), 16, 16, &data[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
@@ -215,9 +213,6 @@ cachepic_t	*Draw_CachePic (char *path)
 	for (pic = cachepichash[hashkey];pic;pic = pic->chain)
 		if (!strcmp (path, pic->name))
 			return pic;
-	//for (pic = cachepics, i = 0;i < numcachepics;pic++, i++)
-	//	if (!strcmp (path, pic->name))
-	//		return pic;
 
 	if (numcachepics == MAX_CACHED_PICS)
 		Sys_Error ("numcachepics == MAX_CACHED_PICS");
@@ -229,20 +224,26 @@ cachepic_t	*Draw_CachePic (char *path)
 
 	// load the pic from disk
 	pic->tex = loadtextureimage(drawtexturepool, path, 0, 0, false, false, true);
-	if (pic->tex == NULL && (p = W_GetLumpName (path)))
+	if (pic->tex == NULL && !strncmp(path, "gfx/", 4))
 	{
-		if (!strcmp(path, "conchars"))
+		// compatibility with older versions
+		pic->tex = loadtextureimage(drawtexturepool, path + 4, 0, 0, false, false, true);
+		// failed to find gfx/whatever.tga or similar, try the wad
+		if (pic->tex == NULL && (p = W_GetLumpName (path + 4)))
 		{
-			byte *pix;
-			// conchars is a raw image and with the wrong transparent color
-			pix = (byte *)p;
-			for (i = 0;i < 128 * 128;i++)
-				if (pix[i] == 0)
-					pix[i] = 255;
-			pic->tex = R_LoadTexture (drawtexturepool, path, 128, 128, pix, TEXTYPE_QPALETTE, TEXF_ALPHA | TEXF_PRECACHE);
+			if (!strcmp(path, "gfx/conchars"))
+			{
+				qbyte *pix;
+				// conchars is a raw image and with the wrong transparent color
+				pix = (qbyte *)p;
+				for (i = 0;i < 128 * 128;i++)
+					if (pix[i] == 0)
+						pix[i] = 255;
+				pic->tex = R_LoadTexture (drawtexturepool, path, 128, 128, pix, TEXTYPE_QPALETTE, TEXF_ALPHA | TEXF_PRECACHE);
+			}
+			else
+				pic->tex = R_LoadTexture (drawtexturepool, path, p->width, p->height, p->data, TEXTYPE_QPALETTE, TEXF_ALPHA | TEXF_PRECACHE);
 		}
-		else
-			pic->tex = R_LoadTexture (drawtexturepool, path, p->width, p->height, p->data, TEXTYPE_QPALETTE, TEXF_ALPHA | TEXF_PRECACHE);
 	}
 	if (pic->tex == NULL && !strcmp(path, "ui/mousepointer.tga"))
 		pic->tex = draw_generatemousepointer();
@@ -257,13 +258,77 @@ cachepic_t	*Draw_CachePic (char *path)
 	if (pic->tex == NULL && !strcmp(path, "gfx/crosshair5.tga"))
 		pic->tex = draw_generatecrosshair(4);
 	if (pic->tex == NULL)
-		Sys_Error ("Draw_CachePic: failed to load %s", path);
+	{
+		Con_Printf ("Draw_CachePic: failed to load %s\n", path);
+		pic->tex = r_notexture;
+	}
 
 	pic->width = R_TextureWidth(pic->tex);
 	pic->height = R_TextureHeight(pic->tex);
 	return pic;
 }
 
+cachepic_t *Draw_NewPic(char *picname, int width, int height, int alpha, qbyte *pixels)
+{
+	int crc, hashkey;
+	cachepic_t *pic;
+
+	crc = CRC_Block(picname, strlen(picname));
+	hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
+	for (pic = cachepichash[hashkey];pic;pic = pic->chain)
+		if (!strcmp (picname, pic->name))
+			break;
+
+	if (pic)
+	{
+		if (pic->tex && pic->width == width && pic->height == height)
+		{
+			R_UpdateTexture(pic->tex, pixels);
+			return pic;
+		}
+	}
+	else
+	{
+		if (pic == NULL)
+		{
+			if (numcachepics == MAX_CACHED_PICS)
+				Sys_Error ("numcachepics == MAX_CACHED_PICS");
+			pic = cachepics + (numcachepics++);
+			strcpy (pic->name, picname);
+			// link into list
+			pic->chain = cachepichash[hashkey];
+			cachepichash[hashkey] = pic;
+		}
+	}
+
+	pic->width = width;
+	pic->height = height;
+	if (pic->tex)
+		R_FreeTexture(pic->tex);
+	pic->tex = R_LoadTexture (drawtexturepool, picname, width, height, pixels, TEXTYPE_RGBA, alpha ? TEXF_ALPHA : 0);
+	return pic;
+}
+
+void Draw_FreePic(char *picname)
+{
+	int crc;
+	int hashkey;
+	cachepic_t *pic;
+	// this doesn't really free the pic, but does free it's texture
+	crc = CRC_Block(picname, strlen(picname));
+	hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
+	for (pic = cachepichash[hashkey];pic;pic = pic->chain)
+	{
+		if (!strcmp (picname, pic->name))
+		{
+			R_FreeTexture(pic->tex);
+			pic->width = 0;
+			pic->height = 0;
+			return;
+		}
+	}
+}
+
 /*
 ===============
 Draw_Init
@@ -276,7 +341,7 @@ static void gl_draw_start(void)
 	numcachepics = 0;
 	memset(cachepichash, 0, sizeof(cachepichash));
 
-	char_texture = Draw_CachePic("conchars")->tex;
+	char_texture = Draw_CachePic("gfx/conchars")->tex;
 }
 
 static void gl_draw_shutdown(void)
@@ -301,254 +366,122 @@ void GL_Draw_Init (void)
 	R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap);
 }
 
-void GL_BrightenScreen(void)
-{
-	float f;
-
-	if (r_brightness.value < 0.1f)
-		Cvar_SetValue("r_brightness", 0.1f);
-	if (r_brightness.value > 5.0f)
-		Cvar_SetValue("r_brightness", 5.0f);
-
-	if (r_contrast.value < 0.2f)
-		Cvar_SetValue("r_contrast", 0.2f);
-	if (r_contrast.value > 1.0f)
-		Cvar_SetValue("r_contrast", 1.0f);
-
-	if (!(lighthalf && !hardwaregammasupported) && r_brightness.value < 1.01f && r_contrast.value > 0.99f)
-		return;
-
-	if (!r_render.integer)
-		return;
-
-	glDisable(GL_TEXTURE_2D);
-	CHECKGLERROR
-	glEnable(GL_BLEND);
-	CHECKGLERROR
-	f = r_brightness.value;
-	// only apply lighthalf using software color correction if hardware is not available (speed reasons)
-	if (lighthalf && !hardwaregammasupported)
-		f *= 2;
-	if (f >= 1.01f)
-	{
-		glBlendFunc (GL_DST_COLOR, GL_ONE);
-		CHECKGLERROR
-		glBegin (GL_TRIANGLES);
-		while (f >= 1.01f)
-		{
-			if (f >= 2)
-				glColor3f (1, 1, 1);
-			else
-				glColor3f (f-1, f-1, f-1);
-			glVertex2f (-5000, -5000);
-			glVertex2f (10000, -5000);
-			glVertex2f (-5000, 10000);
-			f *= 0.5;
-		}
-		glEnd ();
-		CHECKGLERROR
-	}
-	if (r_contrast.value <= 0.99f)
-	{
-		glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		CHECKGLERROR
-		if (lighthalf && hardwaregammasupported)
-			glColor4f (0.5, 0.5, 0.5, 1 - r_contrast.value);
-		else
-			glColor4f (1, 1, 1, 1 - r_contrast.value);
-		CHECKGLERROR
-		glBegin (GL_TRIANGLES);
-		glVertex2f (-5000, -5000);
-		glVertex2f (10000, -5000);
-		glVertex2f (-5000, 10000);
-		glEnd ();
-		CHECKGLERROR
-	}
-	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	CHECKGLERROR
-
-	glEnable (GL_CULL_FACE);
-	CHECKGLERROR
-	glEnable (GL_DEPTH_TEST);
-	CHECKGLERROR
-	glDisable(GL_BLEND);
-	CHECKGLERROR
-	glEnable(GL_TEXTURE_2D);
-	CHECKGLERROR
-}
-
+int quadelements[768];
 void R_DrawQueue(void)
 {
-	int pos, num, chartexnum;
-	float x, y, w, h, s, t, u, v;
+	int pos, num, chartexnum, overbright, texnum, additive, batch;
+	float x, y, w, h, s, t, u, v, cr, cg, cb, ca, *av, *at, *ac;
 	cachepic_t *pic;
 	drawqueue_t *dq;
 	char *str, *currentpic;
-	int batch, additive;
+	int batchcount;
 	unsigned int color;
+	drawqueuemesh_t *mesh;
+	rmeshstate_t m;
 
 	if (!r_render.integer)
 		return;
 
-	glViewport(vid.realx, vid.realy, vid.realwidth, vid.realheight);
-
-	glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-	glOrtho(0, vid.conwidth, vid.conheight, 0, -99999, 99999);
-
-	glMatrixMode(GL_MODELVIEW);
-    glLoadIdentity();
-
-	glDisable(GL_DEPTH_TEST);
-	glDisable(GL_CULL_FACE);
-	glDisable(GL_ALPHA_TEST);
-	glEnable(GL_BLEND);
-	glEnable(GL_TEXTURE_2D);
-	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+	if (!quadelements[1])
+	{
+		// elements for rendering a series of quads as triangles
+		for (batch = 0, pos = 0, num = 0;batch < 128;batch++, num += 4)
+		{
+			quadelements[pos++] = num;
+			quadelements[pos++] = num + 1;
+			quadelements[pos++] = num + 2;
+			quadelements[pos++] = num;
+			quadelements[pos++] = num + 2;
+			quadelements[pos++] = num + 3;
+		}
+	}
+	GL_SetupView_ViewPort(vid.realx, vid.realy, vid.realwidth, vid.realheight);
+	GL_SetupView_Mode_Ortho(0, 0, vid.conwidth, vid.conheight, -10, 100);
+	qglDepthFunc(GL_LEQUAL);
+	R_Mesh_Start();
+	R_Mesh_Matrix(&r_identitymatrix);
 
+	memset(&m, 0, sizeof(m));
 	chartexnum = R_GetTexture(char_texture);
+	m.tex[0] = chartexnum;
+	R_Mesh_TextureState(&m);
 
-	additive = false;
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	currentpic = "";
 	pic = NULL;
-	glBindTexture(GL_TEXTURE_2D, 0);
+	texnum = 0;
 	color = 0;
-	glColor4ub(0,0,0,0);
-
-	// LordHavoc: NEAREST mode on text if not scaling up
-	/*
-	if (vid.realwidth <= (int) vid.conwidth)
-	{
-		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-		CHECKGLERROR
-		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-		CHECKGLERROR
-	}
-	else
-	{
-		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-		CHECKGLERROR
-		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-		CHECKGLERROR
-	}
-	*/
 
+	overbright = v_overbrightbits.integer;
 	batch = false;
+	batchcount = 0;
 	for (pos = 0;pos < r_refdef.drawqueuesize;pos += ((drawqueue_t *)(r_refdef.drawqueue + pos))->size)
 	{
 		dq = (drawqueue_t *)(r_refdef.drawqueue + pos);
-		if (dq->flags & DRAWFLAG_ADDITIVE)
-		{
-			if (!additive)
-			{
-				if (batch)
-				{
-					batch = false;
-					glEnd();
-				}
-				additive = true;
-				glBlendFunc(GL_SRC_ALPHA, GL_ONE);
-			}
-		}
+		additive = (dq->flags & DRAWFLAG_ADDITIVE) != 0;
+		color = dq->color;
+		m.blendfunc1 = GL_SRC_ALPHA;
+		if (additive)
+			m.blendfunc2 = GL_ONE;
 		else
-		{
-			if (additive)
-			{
-				if (batch)
-				{
-					batch = false;
-					glEnd();
-				}
-				additive = false;
-				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-			}
-		}
-		if (color != dq->color)
-		{
-			color = dq->color;
-			if (lighthalf)
-				glColor4ub((byte)((color >> 25) & 0x7F), (byte)((color >> 17) & 0x7F), (byte)((color >> 9) & 0x7F), (byte)(color & 0xFF));
-			else
-				glColor4ub((byte)((color >> 24) & 0xFF), (byte)((color >> 16) & 0xFF), (byte)((color >> 8) & 0xFF), (byte)(color & 0xFF));
-		}
+			m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+		m.depthdisable = true;
+		R_Mesh_MainState(&m);
+
+		cr = (float) ((color >> 24) & 0xFF) * (1.0f / 255.0f) * r_colorscale;
+		cg = (float) ((color >> 16) & 0xFF) * (1.0f / 255.0f) * r_colorscale;
+		cb = (float) ((color >>  8) & 0xFF) * (1.0f / 255.0f) * r_colorscale;
+		ca = (float) ( color        & 0xFF) * (1.0f / 255.0f);
 		x = dq->x;
 		y = dq->y;
 		w = dq->scalex;
 		h = dq->scaley;
+
 		switch(dq->command)
 		{
 		case DRAWQUEUE_PIC:
 			str = (char *)(dq + 1);
-			if (*str)
+			if (strcmp(str, currentpic))
 			{
-				if (strcmp(str, currentpic))
+				currentpic = str;
+				if (*str)
 				{
-					if (batch)
-					{
-						batch = false;
-						glEnd();
-					}
-					currentpic = str;
 					pic = Draw_CachePic(str);
-					glBindTexture(GL_TEXTURE_2D, R_GetTexture(pic->tex));
+					m.tex[0] = R_GetTexture(pic->tex);
 				}
+				else
+					m.tex[0] = 0;
+				R_Mesh_TextureState(&m);
+			}
+			if (*str)
+			{
 				if (w == 0)
 					w = pic->width;
 				if (h == 0)
 					h = pic->height;
-				if (!batch)
-				{
-					batch = true;
-					glBegin(GL_QUADS);
-				}
-				//DrawQuad(dq->x, dq->y, w, h, 0, 0, 1, 1);
-				glTexCoord2f (0, 0);glVertex2f (x  , y  );
-				glTexCoord2f (1, 0);glVertex2f (x+w, y  );
-				glTexCoord2f (1, 1);glVertex2f (x+w, y+h);
-				glTexCoord2f (0, 1);glVertex2f (x  , y+h);
-			}
-			else
-			{
-				if (currentpic[0])
-				{
-					if (batch)
-					{
-						batch = false;
-						glEnd();
-					}
-					currentpic = "";
-					glBindTexture(GL_TEXTURE_2D, 0);
-				}
-				if (!batch)
-				{
-					batch = true;
-					glBegin(GL_QUADS);
-				}
-				//DrawQuad(dq->x, dq->y, dq->scalex, dq->scaley, 0, 0, 1, 1);
-				glTexCoord2f (0, 0);glVertex2f (x  , y  );
-				glTexCoord2f (1, 0);glVertex2f (x+w, y  );
-				glTexCoord2f (1, 1);glVertex2f (x+w, y+h);
-				glTexCoord2f (0, 1);glVertex2f (x  , y+h);
 			}
+			varray_texcoord[0][0] = 0;varray_texcoord[0][1] = 0;
+			varray_texcoord[0][2] = 1;varray_texcoord[0][3] = 0;
+			varray_texcoord[0][4] = 1;varray_texcoord[0][5] = 1;
+			varray_texcoord[0][6] = 0;varray_texcoord[0][7] = 1;
+			varray_vertex[ 0] = x  ;varray_vertex[ 1] = y  ;varray_vertex[ 2] = 10;
+			varray_vertex[ 4] = x+w;varray_vertex[ 5] = y  ;varray_vertex[ 6] = 10;
+			varray_vertex[ 8] = x+w;varray_vertex[ 9] = y+h;varray_vertex[10] = 10;
+			varray_vertex[12] = x  ;varray_vertex[13] = y+h;varray_vertex[14] = 10;
+			GL_Color(cr, cg, cb, ca);
+			R_Mesh_Draw(4, 2, quadelements);
 			break;
 		case DRAWQUEUE_STRING:
 			str = (char *)(dq + 1);
-			if (strcmp("conchars", currentpic))
-			{
-				if (batch)
-				{
-					batch = false;
-					glEnd();
-				}
-				currentpic = "conchars";
-				glBindTexture(GL_TEXTURE_2D, chartexnum);
-			}
-			if (!batch)
+			if (strcmp("gfx/conchars", currentpic))
 			{
-				batch = true;
-				glBegin(GL_QUADS);
+				currentpic = "gfx/conchars";
+				m.tex[0] = chartexnum;
+				R_Mesh_TextureState(&m);
 			}
+			batchcount = 0;
+			at = varray_texcoord[0];
+			av = varray_vertex;
+			GL_Color(cr, cg, cb, ca);
 			while ((num = *str++) && x < vid.conwidth)
 			{
 				if (num != ' ')
@@ -557,25 +490,91 @@ void R_DrawQueue(void)
 					t = (num >> 4)*0.0625f + (0.5f / 256.0f);
 					u = 0.0625f - (1.0f / 256.0f);
 					v = 0.0625f - (1.0f / 256.0f);
-					//DrawQuad(x, y, w, h, (num & 15)*0.0625f + (0.5f / 256.0f), (num >> 4)*0.0625f + (0.5f / 256.0f), 0.0625f - (1.0f / 256.0f), 0.0625f - (1.0f / 256.0f));
-					glTexCoord2f (s  , t  );glVertex2f (x  , y  );
-					glTexCoord2f (s+u, t  );glVertex2f (x+w, y  );
-					glTexCoord2f (s+u, t+v);glVertex2f (x+w, y+h);
-					glTexCoord2f (s  , t+v);glVertex2f (x  , y+h);
+					at[0] = s  ;at[1] = t  ;
+					at[2] = s+u;at[3] = t  ;
+					at[4] = s+u;at[5] = t+v;
+					at[6] = s  ;at[7] = t+v;
+					av[ 0] = x  ;av[ 1] = y  ;av[ 2] = 10;
+					av[ 4] = x+w;av[ 5] = y  ;av[ 6] = 10;
+					av[ 8] = x+w;av[ 9] = y+h;av[10] = 10;
+					av[12] = x  ;av[13] = y+h;av[14] = 10;
+					ac += 16;
+					at += 8;
+					av += 16;
+					batchcount++;
+					if (batchcount >= 128)
+					{
+						R_Mesh_Draw(batchcount * 4, batchcount * 2, quadelements);
+						batchcount = 0;
+						at = varray_texcoord[0];
+						av = varray_vertex;
+					}
 				}
 				x += w;
 			}
+			if (batchcount > 0)
+				R_Mesh_Draw(batchcount * 4, batchcount * 2, quadelements);
+			break;
+		case DRAWQUEUE_MESH:
+			mesh = (void *)(dq + 1);
+			m.tex[0] = R_GetTexture(mesh->texture);
+			R_Mesh_TextureState(&m);
+			R_Mesh_ResizeCheck(mesh->numvertices);
+			memcpy(varray_vertex, mesh->vertices, sizeof(float[4]) * mesh->numvertices);
+			memcpy(varray_texcoord[0], mesh->texcoords, sizeof(float[2]) * mesh->numvertices);
+			memcpy(varray_color, mesh->colors, sizeof(float[4]) * mesh->numvertices);
+			GL_UseColorArray();
+			R_Mesh_Draw(mesh->numvertices, mesh->numtriangles, mesh->indices);
+			currentpic = "\0";
 			break;
 		}
 	}
-	if (batch)
-		glEnd();
-	CHECKGLERROR
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	CHECKGLERROR
-
-	GL_BrightenScreen();
 
-	glColor3f(1,1,1);
-	CHECKGLERROR
+	if (!v_hwgamma.integer)
+	{
+		// we use one big triangle for all the screen blends
+		varray_texcoord[0][0] = 0;varray_texcoord[0][1] = 0;
+		varray_texcoord[0][2] = 0;varray_texcoord[0][3] = 0;
+		varray_texcoord[0][4] = 0;varray_texcoord[0][5] = 0;
+		varray_vertex[0] = -5000;varray_vertex[1] = -5000;varray_vertex[2] = 10;
+		varray_vertex[4] = 10000;varray_vertex[5] = -5000;varray_vertex[6] = 10;
+		varray_vertex[8] = -5000;varray_vertex[9] = 10000;varray_vertex[10] = 10;
+		// all the blends ignore depth
+		memset(&m, 0, sizeof(m));
+		m.depthdisable = true;
+		t = v_contrast.value * (float) (1 << v_overbrightbits.integer);
+		if (t >= 1.01f)
+		{
+			m.blendfunc1 = GL_DST_COLOR;
+			m.blendfunc2 = GL_ONE;
+			R_Mesh_State(&m);
+			while (t >= 1.01f)
+			{
+				cr = t - 1.0f;
+				if (cr > 1.0f)
+					cr = 1.0f;
+				GL_Color(cr, cr, cr, 1);
+				R_Mesh_Draw(3, 1, polygonelements);
+				t *= 0.5;
+			}
+		}
+		else if (t <= 0.99f)
+		{
+			m.blendfunc1 = GL_ZERO;
+			m.blendfunc2 = GL_SRC_COLOR;
+			R_Mesh_State(&m);
+			GL_Color(t, t, t, 1);
+			R_Mesh_Draw(3, 1, polygonelements);
+		}
+		if (v_brightness.value >= 0.01f)
+		{
+			m.blendfunc1 = GL_ONE;
+			m.blendfunc2 = GL_ONE;
+			R_Mesh_State(&m);
+			GL_Color(v_brightness.value, v_brightness.value, v_brightness.value, 1);
+			R_Mesh_Draw(3, 1, polygonelements);
+		}
+	}
+	R_Mesh_Finish();
 }
+