PDGL_API void pdglVertex2f(float x, float y)
{
if(pglVertex2f)
{ pglVertex2f(x, y); return; }
pglVertex2f=pdglGetProcAddress("glVertex2f");
pglVertex2f(x, y);
}
/*
==========
NetGraph_DrawRect
==========
*/
static void NetGraph_DrawRect( wrect_t *rect, byte colors[4] )
{
pglColor4ubv( colors ); // color for this quad
pglVertex2f( rect->left, rect->top );
pglVertex2f( rect->left + rect->right, rect->top );
pglVertex2f( rect->left + rect->right, rect->top + rect->bottom );
pglVertex2f( rect->left, rect->top + rect->bottom );
}
/*
=================
R_Bloom_Quad
=================
*/
inline static void R_Bloom_Quad( int x, int y, int w, int h, float texwidth, float texheight )
{
pglBegin( GL_QUADS );
pglTexCoord2f( 0, texheight );
pglVertex2f( x, y );
pglTexCoord2f( 0, 0 );
pglVertex2f( x, y+h );
pglTexCoord2f( texwidth, 0 );
pglVertex2f( x+w, y+h );
pglTexCoord2f( texwidth, texheight );
pglVertex2f( x+w, y );
pglEnd();
}
/*
=================
R_Bloom_SamplePass
=================
*/
inline static void R_Bloom_SamplePass( int xpos, int ypos )
{
pglBegin( GL_QUADS );
pglTexCoord2f( 0, sampleText_tch );
pglVertex2f( xpos, ypos );
pglTexCoord2f( 0, 0 );
pglVertex2f( xpos, ypos+sample_height );
pglTexCoord2f( sampleText_tcw, 0 );
pglVertex2f( xpos+sample_width, ypos+sample_height );
pglTexCoord2f( sampleText_tcw, sampleText_tch );
pglVertex2f( xpos+sample_width, ypos );
pglEnd();
}
/*
=============
R_DrawStretchPic
=============
*/
void R_DrawStretchPic( float x, float y, float w, float h, float s1, float t1, float s2, float t2, int texnum )
{
GL_Bind( GL_TEXTURE0, texnum );
pglBegin( GL_QUADS );
pglTexCoord2f( s1, t1 );
pglVertex2f( x, y );
pglTexCoord2f( s2, t1 );
pglVertex2f( x + w, y );
pglTexCoord2f( s2, t2 );
pglVertex2f( x + w, y + h );
pglTexCoord2f( s1, t2 );
pglVertex2f( x, y + h );
pglEnd();
}
/*
================
VGUI_DrawQuad
generic method to fill rectangle
================
*/
void VGUI_DrawQuad( const vpoint_t *ul, const vpoint_t *lr )
{
ASSERT( ul != NULL && lr != NULL );
pglBegin( GL_QUADS );
pglTexCoord2f( ul->coord[0], ul->coord[1] );
pglVertex2f( ul->point[0], ul->point[1] );
pglTexCoord2f( lr->coord[0], ul->coord[1] );
pglVertex2f( lr->point[0], ul->point[1] );
pglTexCoord2f( lr->coord[0], lr->coord[1] );
pglVertex2f( lr->point[0], lr->point[1] );
pglTexCoord2f( ul->coord[0], lr->coord[1] );
pglVertex2f( ul->point[0], lr->point[1] );
pglEnd();
}
/*
=================
R_Bloom_DrawEffect
=================
*/
static void R_Bloom_DrawEffect( void )
{
GL_Bind( GL_TEXTURE0, r_bloomeffecttexture );
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
pglColor4f( r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f );
pglBlendFunc( GL_ONE, GL_ONE );
pglEnable( GL_BLEND );
pglBegin( GL_QUADS );
pglTexCoord2f( 0, sampleText_tch );
pglVertex2f( curView_x, curView_y );
pglTexCoord2f( 0, 0 );
pglVertex2f( curView_x, curView_y+curView_height );
pglTexCoord2f( sampleText_tcw, 0 );
pglVertex2f( curView_x+curView_width, curView_y+curView_height );
pglTexCoord2f( sampleText_tcw, sampleText_tch );
pglVertex2f( curView_x+curView_width, curView_y );
pglEnd();
pglDisable( GL_BLEND );
}
/*
=============
Draw_TileClear
This repeats a 64*64 tile graphic to fill the screen around a sized down
refresh window.
=============
*/
void R_DrawTileClear( int x, int y, int w, int h )
{
float tw, th;
gltexture_t *glt;
GL_SetRenderMode( kRenderNormal );
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Bind( GL_TEXTURE0, cls.tileImage );
glt = R_GetTexture( cls.tileImage );
tw = glt->srcWidth;
th = glt->srcHeight;
pglBegin( GL_QUADS );
pglTexCoord2f( x / tw, y / th );
pglVertex2f( x, y );
pglTexCoord2f((x + w) / tw, y / th );
pglVertex2f( x + w, y );
pglTexCoord2f((x + w) / tw, (y + h) / th );
pglVertex2f( x + w, y + h );
pglTexCoord2f( x / tw, (y + h) / th );
pglVertex2f( x, y + h );
pglEnd ();
}
/*
=============
R_DrawStretchRaw
=============
*/
void R_DrawStretchRaw( float x, float y, float w, float h, int cols, int rows, const byte *data, qboolean dirty )
{
byte *raw = NULL;
gltexture_t *tex;
if( !GL_Support( GL_ARB_TEXTURE_NPOT_EXT ))
{
int width = 1, height = 1;
// check the dimensions
width = NearestPOW( cols, true );
height = NearestPOW( rows, false );
if( cols != width || rows != height )
{
raw = GL_ResampleTexture( data, cols, rows, width, height, false );
cols = width;
rows = height;
}
}
else
{
raw = (byte *)data;
}
if( cols > glConfig.max_2d_texture_size )
Host_Error( "R_DrawStretchRaw: size %i exceeds hardware limits\n", cols );
if( rows > glConfig.max_2d_texture_size )
Host_Error( "R_DrawStretchRaw: size %i exceeds hardware limits\n", rows );
pglDisable( GL_BLEND );
pglDisable( GL_ALPHA_TEST );
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
tex = R_GetTexture( tr.cinTexture );
GL_Bind( GL_TEXTURE0, tr.cinTexture );
if( cols == tex->width && rows == tex->height )
{
if( dirty )
{
pglTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, cols, rows, GL_BGRA, GL_UNSIGNED_BYTE, raw );
}
}
else
{
tex->width = cols;
tex->height = rows;
if( dirty )
{
pglTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, cols, rows, 0, GL_BGRA, GL_UNSIGNED_BYTE, raw );
}
}
pglBegin( GL_QUADS );
pglTexCoord2f( 0, 0 );
pglVertex2f( x, y );
pglTexCoord2f( 1, 0 );
pglVertex2f( x + w, y );
pglTexCoord2f( 1, 1 );
pglVertex2f( x + w, y + h );
pglTexCoord2f( 0, 1 );
pglVertex2f( x, y + h );
pglEnd();
}
/*
===============
R_ShowTextures
Draw all the images to the screen, on top of whatever
was there. This is used to test for texture thrashing.
===============
*/
void R_ShowTextures( void )
{
gltexture_t *image;
float x, y, w, h;
int i, j, k, base_w, base_h;
int total, start, end;
rgba_t color = { 192, 192, 192, 255 };
int charHeight, numTries = 0;
static qboolean showHelp = true;
string shortname;
if( !gl_showtextures->integer )
return;
if( showHelp )
{
CL_CenterPrint( "use '<-' and '->' keys to view all the textures", 0.25f );
showHelp = false;
}
pglClear( GL_COLOR_BUFFER_BIT );
pglFinish();
base_w = 8;
base_h = 6;
rebuild_page:
total = base_w * base_h;
start = total * (gl_showtextures->integer - 1);
end = total * gl_showtextures->integer;
if( end > MAX_TEXTURES ) end = MAX_TEXTURES;
w = glState.width / (float)base_w;
h = glState.height / (float)base_h;
Con_DrawStringLen( NULL, NULL, &charHeight );
for( i = j = 0; i < MAX_TEXTURES; i++ )
{
image = R_GetTexture( i );
if( j == start ) break; // found start
if( pglIsTexture( image->texnum )) j++;
}
if( i == MAX_TEXTURES && gl_showtextures->integer != 1 )
{
// bad case, rewind to one and try again
Cvar_SetFloat( "r_showtextures", max( 1, gl_showtextures->integer - 1 ));
if( ++numTries < 2 ) goto rebuild_page; // to prevent infinite loop
}
for( k = 0; i < MAX_TEXTURES; i++ )
{
if( j == end ) break; // page is full
image = R_GetTexture( i );
if( !pglIsTexture( image->texnum ))
continue;
x = k % base_w * w;
y = k / base_w * h;
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Bind( XASH_TEXTURE0, i ); // NOTE: don't use image->texnum here, because skybox has a 'wrong' indexes
if(( image->flags & TF_DEPTHMAP ) && !( image->flags & TF_NOCOMPARE ))
pglTexParameteri( image->target, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE );
pglBegin( GL_QUADS );
pglTexCoord2f( 0, 0 );
pglVertex2f( x, y );
if( image->flags & TF_TEXTURE_RECTANGLE )
pglTexCoord2f( image->width, 0 );
else pglTexCoord2f( 1, 0 );
pglVertex2f( x + w, y );
if( image->flags & TF_TEXTURE_RECTANGLE )
pglTexCoord2f( image->width, image->height );
else pglTexCoord2f( 1, 1 );
pglVertex2f( x + w, y + h );
if( image->flags & TF_TEXTURE_RECTANGLE )
pglTexCoord2f( 0, image->height );
else pglTexCoord2f( 0, 1 );
pglVertex2f( x, y + h );
pglEnd();
if(( image->flags & TF_DEPTHMAP ) && !( image->flags & TF_NOCOMPARE ))
pglTexParameteri( image->target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB );
FS_FileBase( image->name, shortname );
if( Q_strlen( shortname ) > 18 )
{
// cutoff too long names, it looks ugly
shortname[16] = '.';
shortname[17] = '.';
shortname[18] = '\0';
}
Con_DrawString( x + 1, y + h - charHeight, shortname, color );
j++, k++;
}
CL_DrawCenterPrint ();
pglFinish();
}
void
blitter_opengl_update()
{
float VALA=512/(float)visible_area.w-1.0; /* 240.0f*2.0f/304.0f - 1.0f */
int VALB=.0625; /* 16.0f/256.0f */
int VALC=.9375; /* 240.0f/256.0f */
//int VALD .25 /* 64.0f/256.0f */
int VALD=1.0;
if (neffect == 0) {
#ifndef USE_GL2
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, buffer->pixels + (visible_area.x<<1));
pglBegin(GL_QUADS);
//pglTexCoord2f(16.0f/256.0f, 16.0f/256.0f);
//pglVertex2f (-1.0f, 1.0f);
pglTexCoord2f(0.0f, 16.0f/256.0f);
pglVertex2f (-1.0f, 1.0f);
pglTexCoord2f(1.0f, 16.0f/256.0f);
pglVertex2f (VALA, 1.0f);
pglTexCoord2f(1.0f, 1.0f-16.0f/256.0f);
pglVertex2f (VALA, -1.0f);
pglTexCoord2f(0.0f, 1.0f-16.0f/256.0f);
pglVertex2f (-1.0f, -1.0f);
pglEnd();
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 64, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, buffer->pixels + 512+ (visible_area.x<<1));
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 16.0f/256.0f);
pglVertex2f (VALA, 1.0f);
pglTexCoord2f(1.0, 16.0f/256.0f);
pglVertex2f (1.0f, 1.0f);
pglTexCoord2f(1.0, 1.0f-16.0f/256.0f);
pglVertex2f (1.0f, -1.0f);
pglTexCoord2f(0.0f, 1.0f-16.0f/256.0f);
pglVertex2f (VALA, -1.0f);
pglEnd();
#else
SDL_BlitSurface(buffer, &visible_area, tex_opengl, NULL);
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 512, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, tex_opengl->pixels);
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (-1.0f, 1.0f);
pglTexCoord2f((float)visible_area.w/512.0f, 0.0f);
pglVertex2f (1.0f, 1.0f);
pglTexCoord2f((float)visible_area.w/512.0f, 1.0f-32.0f/256.0f);
pglVertex2f (1.0f, -1.0f);
pglTexCoord2f(0.0f, 1.0f-32.0f/256.0f);
pglVertex2f (-1.0f, -1.0f);
pglEnd();
#endif
}
else
{
#ifndef USE_GL2
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, screen->pixels );
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (-1.0f, 1.0f);
pglTexCoord2f(1.0f, 0.0f);
pglVertex2f (a, 1.0f);
pglTexCoord2f(1.0f, c);
pglVertex2f (a, 0.0f);
pglTexCoord2f(0.0f, c);
pglVertex2f (-1.0f, 0.0f);
pglEnd();
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, screen->pixels + 512 );
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (a, 1.0f);
pglTexCoord2f(1.0f, 0.0f);
pglVertex2f (b, 1.0f);
pglTexCoord2f(1.0f, c);
pglVertex2f (b, 0.0f);
pglTexCoord2f(0.0f, c);
pglVertex2f (a, 0.0f);
pglEnd();
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, screen->pixels + 1024 );
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (b, 1.0f);
pglTexCoord2f(d, 0.0f);
pglVertex2f (1.0f, 1.0f);
pglTexCoord2f(d, c);
pglVertex2f (1.0f, 0.0f);
pglTexCoord2f(0.0f, c);
pglVertex2f (b, 0.0f);
pglEnd();
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, screen->pixels + (visible_area.w<<2) * 224 );
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (-1.0f, 0.0f);
pglTexCoord2f(1.0f, 0.0f);
pglVertex2f (a, 0.0f);
pglTexCoord2f(1.0f, c);
pglVertex2f (a, -1.0f);
pglTexCoord2f(0.0f, c);
pglVertex2f (-1.0f, -1.0f);
pglEnd();
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, screen->pixels + (visible_area.w<<2) * 224 + 512 );
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (a, 0.0f);
pglTexCoord2f(1.0f, 0.0f);
pglVertex2f (b, 0.0f);
pglTexCoord2f(1.0f, c);
pglVertex2f (b, -1.0f);
pglTexCoord2f(0.0f, c);
pglVertex2f (a, -1.0f);
pglEnd();
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, screen->pixels + (visible_area.w<<2) * 224 + 1024 );
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (b, 0.0f);
pglTexCoord2f(d, 0.0f);
pglVertex2f (1.0f, 0.0f);
pglTexCoord2f(d, c);
pglVertex2f (1.0f, -1.0f);
pglTexCoord2f(0.0f, c);
pglVertex2f (b, -1.0f);
pglEnd();
#else
SDL_BlitSurface(screen, &glrectef, tex_opengl, NULL);
pglTexImage2D(GL_TEXTURE_2D, 0, 3, 1024, 512, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, tex_opengl->pixels);
pglBegin(GL_QUADS);
pglTexCoord2f(0.0f, 0.0f);
pglVertex2f (-1.0f, 1.0f);
pglTexCoord2f((float)visible_area.w*2/1024.0f, 0.0f);
pglVertex2f (1.0f, 1.0f);
pglTexCoord2f((float)visible_area.w*2/1024.0f, 448.0f/512.0f);
pglVertex2f (1.0f, -1.0f);
pglTexCoord2f(0.0f, 448.0f/512.0f);
pglVertex2f (-1.0f, -1.0f);
pglEnd();
#endif
}
SDL_GL_SwapBuffers();
}
