PDGL_API void pdglTexImage2D(GLenum target, GLint level,
GLint internalFormat, GLsizei width, GLsizei height,
GLint border, GLenum format, GLenum type, const GLvoid *pixels)
{
if(pglTexImage2D)
{
pglTexImage2D(target, level, internalFormat,
width, height, border, format, type, pixels);
return;
}
pglTexImage2D=pdglGetProcAddress("glTexImage2D");
pglTexImage2D(target, level, internalFormat,
width, height, border, format, type, pixels);
}
/*
=============
R_UploadStretchRaw
=============
*/
void R_UploadStretchRaw( int texture, int cols, int rows, int width, int height, const byte *data )
{
byte *raw = NULL;
gltexture_t *tex;
if( !GL_Support( GL_ARB_TEXTURE_NPOT_EXT ))
{
// check the dimensions
width = NearestPOW( width, true );
height = NearestPOW( height, false );
}
else
{
width = bound( 128, width, glConfig.max_2d_texture_size );
height = bound( 128, height, glConfig.max_2d_texture_size );
}
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_UploadStretchRaw: size %i exceeds hardware limits\n", cols );
if( rows > glConfig.max_2d_texture_size )
Host_Error( "R_UploadStretchRaw: size %i exceeds hardware limits\n", rows );
tex = R_GetTexture( texture );
GL_Bind( GL_TEXTURE0, texture );
tex->width = cols;
tex->height = rows;
pglTexImage2D( GL_TEXTURE_2D, 0, tex->format, cols, rows, 0, GL_BGRA, GL_UNSIGNED_BYTE, raw );
GL_TexFilter( tex, false );
}
/*
=============
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();
}
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();
}
