GLuint CaptureScreenAsTexID(void)
{
GLuint id;
gld_EnableTexture2D(GL_TEXTURE0_ARB, true);
qglGenTextures(1, &id);
qglBindTexture(GL_TEXTURE_2D, id);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
#ifdef ANDROID
qglTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
#else
qglTexImage2D(GL_TEXTURE_2D, 0, 3,
#endif
gld_GetTexDimension(SCREENWIDTH), gld_GetTexDimension(SCREENHEIGHT),
0, GL_RGB, GL_UNSIGNED_BYTE, 0);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, SCREENWIDTH, SCREENHEIGHT);
return id;
}
GLTexture *gld_RegisterFlat(int lump, dboolean mipmap)
{
GLTexture *gltexture;
gltexture=gld_AddNewGLPatchTexture(firstflat+lump);
if (!gltexture)
return NULL;
if (gltexture->textype==GLDT_UNREGISTERED)
{
gltexture->textype=GLDT_BROKEN;
gltexture->index=firstflat+lump;
//e6y
gltexture->flags = 0;
if (mipmap && tex_filter[MIP_TEXTURE].mipmap)
gltexture->flags |= GLTEXTURE_MIPMAP;
gltexture->realtexwidth=64;
gltexture->realtexheight=64;
gltexture->leftoffset=0;
gltexture->topoffset=0;
gltexture->tex_width=gld_GetTexDimension(gltexture->realtexwidth);
gltexture->tex_height=gld_GetTexDimension(gltexture->realtexheight);
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=gltexture->tex_width;
gltexture->buffer_height=gltexture->tex_height;
#ifdef USE_GLU_IMAGESCALE
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
#endif
if (gltexture->flags & GLTEXTURE_MIPMAP)
{
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
}
//e6y: right/bottom UV coordinates for flat drawing
gltexture->scalexfac=(float)gltexture->width/(float)gltexture->tex_width;
gltexture->scaleyfac=(float)gltexture->height/(float)gltexture->tex_height;
gltexture->buffer_size=gltexture->buffer_width*gltexture->buffer_height*4;
if (gltexture->realtexwidth>gltexture->buffer_width)
return gltexture;
if (gltexture->realtexheight>gltexture->buffer_height)
return gltexture;
gltexture->textype=GLDT_FLAT;
gld_SetTexDetail(gltexture);
}
return gltexture;
}
//e6y: "force" flag for loading texture with zero index
GLTexture *gld_RegisterTexture(int texture_num, boolean mipmap, boolean force)
{
GLTexture *gltexture;
//e6y: textures with zero index should be loaded sometimes
if (texture_num==NO_TEXTURE && !force)
return NULL;
gltexture=gld_AddNewGLTexture(texture_num);
if (!gltexture)
return NULL;
if (gltexture->textype==GLDT_UNREGISTERED)
{
texture_t *texture=NULL;
if ((texture_num>=0) || (texture_num<numtextures))
texture=textures[texture_num];
if (!texture)
return NULL;
gltexture->textype=GLDT_BROKEN;
gltexture->index=texture_num;
gltexture->mipmap=mipmap;
gltexture->realtexwidth=texture->width;
gltexture->realtexheight=texture->height;
gltexture->leftoffset=0;
gltexture->topoffset=0;
gltexture->tex_width=gld_GetTexDimension(gltexture->realtexwidth);
gltexture->tex_height=gld_GetTexDimension(gltexture->realtexheight);
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=gltexture->tex_width;
gltexture->buffer_height=gltexture->tex_height;
#ifdef USE_GLU_IMAGESCALE
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
#endif
if (gltexture->mipmap & use_mipmapping)
{
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
}
gltexture->buffer_size=gltexture->buffer_width*gltexture->buffer_height*4;
if (gltexture->realtexwidth>gltexture->buffer_width)
return gltexture;
if (gltexture->realtexheight>gltexture->buffer_height)
return gltexture;
gltexture->textype=GLDT_TEXTURE;
}
return gltexture;
}
int gld_wipe_doMelt(int ticks, int *y_lookup)
{
int i;
int total_w, total_h;
float fU1, fU2, fV1, fV2;
total_w = gld_GetTexDimension(SCREENWIDTH);
total_h = gld_GetTexDimension(SCREENHEIGHT);
fU1 = 0.0f;
fV1 = (float)SCREENHEIGHT / (float)total_h;
fU2 = (float)SCREENWIDTH / (float)total_w;
fV2 = 0.0f;
gld_EnableTexture2D(GL_TEXTURE0_ARB, true);
qglBindTexture(GL_TEXTURE_2D, wipe_scr_end_tex);
qglColor3f(1.0f, 1.0f, 1.0f);
qglBegin(GL_TRIANGLE_STRIP);
{
qglTexCoord2f(fU1, fV1); qglVertex2f(0.0f, 0.0f);
qglTexCoord2f(fU1, fV2); qglVertex2f(0.0f, (float)SCREENHEIGHT);
qglTexCoord2f(fU2, fV1); qglVertex2f((float)SCREENWIDTH, 0.0f);
qglTexCoord2f(fU2, fV2); qglVertex2f((float)SCREENWIDTH, (float)SCREENHEIGHT);
}
qglEnd();
qglBindTexture(GL_TEXTURE_2D, wipe_scr_start_tex);
qglColor3f(1.0f, 1.0f, 1.0f);
qglBegin(GL_QUAD_STRIP);
for (i=0; i <= SCREENWIDTH; i++)
{
int yoffs = MAX(0, y_lookup[i]);
float tx = (float) i / total_w;
float sx = (float) i;
float sy = (float) yoffs;
qglTexCoord2f(tx, fV1); qglVertex2f(sx, sy);
qglTexCoord2f(tx, fV2); qglVertex2f(sx, sy + (float)SCREENHEIGHT);
}
qglEnd();
return 0;
}
GLTexture *gld_RegisterFlat(int lump, boolean mipmap)
{
GLTexture *gltexture;
gltexture=gld_AddNewGLPatchTexture(firstflat+lump);
if (!gltexture)
return NULL;
if (gltexture->textype==GLDT_UNREGISTERED)
{
gltexture->textype=GLDT_BROKEN;
gltexture->index=firstflat+lump;
gltexture->mipmap=mipmap;
gltexture->realtexwidth=64;
gltexture->realtexheight=64;
gltexture->leftoffset=0;
gltexture->topoffset=0;
gltexture->tex_width=gld_GetTexDimension(gltexture->realtexwidth);
gltexture->tex_height=gld_GetTexDimension(gltexture->realtexheight);
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=gltexture->tex_width;
gltexture->buffer_height=gltexture->tex_height;
#ifdef USE_GLU_IMAGESCALE
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
#endif
if (gltexture->mipmap & use_mipmapping)
{
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
}
gltexture->buffer_size=gltexture->buffer_width*gltexture->buffer_height*4;
if (gltexture->realtexwidth>gltexture->buffer_width)
return gltexture;
if (gltexture->realtexheight>gltexture->buffer_height)
return gltexture;
gltexture->textype=GLDT_FLAT;
}
return gltexture;
}
GLTexture *gld_RegisterPatch(int lump, int cm)
{
const rpatch_t *patch;
GLTexture *gltexture;
gltexture=gld_AddNewGLPatchTexture(lump);
if (!gltexture)
return NULL;
if (gltexture->textype==GLDT_UNREGISTERED)
{
patch=R_CachePatchNum(lump);
if (!patch)
return NULL;
gltexture->textype=GLDT_BROKEN;
gltexture->index=lump;
gltexture->mipmap=false;
gltexture->realtexwidth=patch->width;
gltexture->realtexheight=patch->height;
gltexture->leftoffset=patch->leftoffset;
gltexture->topoffset=patch->topoffset;
gltexture->tex_width=gld_GetTexDimension(gltexture->realtexwidth);
gltexture->tex_height=gld_GetTexDimension(gltexture->realtexheight);
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=gltexture->tex_width;
gltexture->buffer_height=gltexture->tex_height;
#ifdef USE_GLU_IMAGESCALE
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=MAX(gltexture->realtexwidth, gltexture->tex_width);
gltexture->buffer_height=MAX(gltexture->realtexheight, gltexture->tex_height);
#endif
gltexture->buffer_size=gltexture->buffer_width*gltexture->buffer_height*4;
R_UnlockPatchNum(lump);
if (gltexture->realtexwidth>gltexture->buffer_width)
return gltexture;
if (gltexture->realtexheight>gltexture->buffer_height)
return gltexture;
gltexture->textype=GLDT_PATCH;
}
return gltexture;
}
int gld_BuildTexture(GLTexture *gltexture, void *data, dboolean readonly, int width, int height)
{
int result = false;
int tex_width, tex_height, tex_buffer_size;
unsigned char *tex_buffer = NULL;
tex_width = gld_GetTexDimension(width);
tex_height = gld_GetTexDimension(height);
tex_buffer_size = tex_width * tex_height * 4;
//your video is modern
if (gl_arb_texture_non_power_of_two)
{
qglTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP,
((gltexture->flags & GLTEXTURE_MIPMAP) ? GL_TRUE : GL_FALSE));
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, data);
gld_RecolorMipLevels(data);
gld_SetTexFilters(gltexture);
result = true;
goto l_exit;
}
#ifdef USE_GLU_MIPMAP
if (gltexture->flags & GLTEXTURE_MIPMAP)
{
gluBuild2DMipmaps(GL_TEXTURE_2D, gl_tex_format,
width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
gld_RecolorMipLevels(data);
gld_SetTexFilters(gltexture);
result = true;
goto l_exit;
}
else
#endif // USE_GLU_MIPMAP
{
#ifdef USE_GLU_IMAGESCALE
if ((width != tex_width) || (height != tex_height))
{
tex_buffer = malloc(tex_buffer_size);
if (!tex_buffer)
{
goto l_exit;
}
gluScaleImage(GL_RGBA, width, height,
GL_UNSIGNED_BYTE, data,
tex_width, tex_height,
GL_UNSIGNED_BYTE, tex_buffer);
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer);
}
else
#endif // USE_GLU_IMAGESCALE
{
if ((width != tex_width) || (height != tex_height))
{
if (width == tex_width)
{
tex_buffer = malloc(tex_buffer_size);
memcpy(tex_buffer, data, width * height * 4);
}
else
{
int y;
tex_buffer = calloc(1, tex_buffer_size);
for (y = 0; y < height; y++)
{
memcpy(tex_buffer + y * tex_width * 4,
((unsigned char*)data) + y * width * 4, width * 4);
}
}
}
else
{
tex_buffer = data;
}
if (gl_paletted_texture) {
gld_SetTexturePalette(GL_TEXTURE_2D);
qglTexImage2D( GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT,
tex_width, tex_height,
0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, tex_buffer);
} else {
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer);
}
}
gltexture->flags &= ~GLTEXTURE_MIPMAP;
gld_SetTexFilters(gltexture);
result = true;
}
l_exit:
if (result)
{
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
if (tex_buffer && tex_buffer != data)
{
free(tex_buffer);
tex_buffer = NULL;
}
if (!readonly)
{
free(data);
data = NULL;
}
return result;
}
//e6y: "force" flag for loading texture with zero index
GLTexture *gld_RegisterTexture(int texture_num, dboolean mipmap, dboolean force)
{
GLTexture *gltexture;
//e6y: textures with zero index should be loaded sometimes
if (texture_num==NO_TEXTURE && !force)
return NULL;
gltexture=gld_AddNewGLTexture(texture_num);
if (!gltexture)
return NULL;
if (gltexture->textype==GLDT_UNREGISTERED)
{
texture_t *texture=NULL;
if ((texture_num>=0) || (texture_num<numtextures))
texture=textures[texture_num];
if (!texture)
return NULL;
gltexture->textype=GLDT_BROKEN;
gltexture->index=texture_num;
//e6y
gltexture->flags = 0;
if (mipmap && tex_filter[MIP_TEXTURE].mipmap)
gltexture->flags |= GLTEXTURE_MIPMAP;
gltexture->realtexwidth=texture->width;
gltexture->realtexheight=texture->height;
gltexture->leftoffset=0;
gltexture->topoffset=0;
gltexture->tex_width=gld_GetTexDimension(gltexture->realtexwidth);
gltexture->tex_height=gld_GetTexDimension(gltexture->realtexheight);
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=gltexture->tex_width;
gltexture->buffer_height=gltexture->tex_height;
#ifdef USE_GLU_IMAGESCALE
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
#endif
if (gltexture->flags & GLTEXTURE_MIPMAP)
{
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
}
//e6y: right/bottom UV coordinates for texture drawing
gltexture->scalexfac=(float)gltexture->width/(float)gltexture->tex_width;
gltexture->scaleyfac=(float)gltexture->height/(float)gltexture->tex_height;
gltexture->buffer_size=gltexture->buffer_width*gltexture->buffer_height*4;
if (gltexture->realtexwidth>gltexture->buffer_width)
return gltexture;
if (gltexture->realtexheight>gltexture->buffer_height)
return gltexture;
gltexture->textype=GLDT_TEXTURE;
gld_SetTexDetail(gltexture);
}
return gltexture;
}
GLTexture *gld_RegisterPatch(int lump, int cm)
{
const rpatch_t *patch;
GLTexture *gltexture;
gltexture=gld_AddNewGLPatchTexture(lump);
if (!gltexture)
return NULL;
if (gltexture->textype==GLDT_UNREGISTERED)
{
patch=R_CachePatchNum(lump);
if (!patch)
return NULL;
gltexture->textype=GLDT_BROKEN;
gltexture->index=lump;
//e6y
gltexture->flags = 0;
if (lump >= firstspritelump && lump > (firstspritelump + numsprites))
{
gltexture->flags |= GLTEXTURE_SPRITE;
if (tex_filter[MIP_SPRITE].mipmap)
gltexture->flags |= GLTEXTURE_MIPMAP;
}
else
{
if (tex_filter[MIP_PATCH].mipmap)
gltexture->flags |= GLTEXTURE_MIPMAP;
}
//gltexture->wrap_mode = (patch->flags & PATCH_REPEAT ? GL_REPEAT : GLEXT_CLAMP_TO_EDGE);
gltexture->realtexwidth=patch->width;
gltexture->realtexheight=patch->height;
gltexture->leftoffset=patch->leftoffset;
gltexture->topoffset=patch->topoffset;
gltexture->tex_width=gld_GetTexDimension(gltexture->realtexwidth);
gltexture->tex_height=gld_GetTexDimension(gltexture->realtexheight);
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=gltexture->tex_width;
gltexture->buffer_height=gltexture->tex_height;
#ifdef USE_GLU_IMAGESCALE
gltexture->width=MIN(gltexture->realtexwidth, gltexture->tex_width);
gltexture->height=MIN(gltexture->realtexheight, gltexture->tex_height);
gltexture->buffer_width=MAX(gltexture->realtexwidth, gltexture->tex_width);
gltexture->buffer_height=MAX(gltexture->realtexheight, gltexture->tex_height);
#endif
if (gltexture->flags & GLTEXTURE_MIPMAP)
{
gltexture->width=gltexture->tex_width;
gltexture->height=gltexture->tex_height;
gltexture->buffer_width=gltexture->realtexwidth;
gltexture->buffer_height=gltexture->realtexheight;
}
//e6y: right/bottom UV coordinates for patch drawing
gltexture->scalexfac=(float)gltexture->width/(float)gltexture->tex_width;
gltexture->scaleyfac=(float)gltexture->height/(float)gltexture->tex_height;
gltexture->buffer_size=gltexture->buffer_width*gltexture->buffer_height*4;
R_UnlockPatchNum(lump);
if (gltexture->realtexwidth>gltexture->buffer_width)
return gltexture;
if (gltexture->realtexheight>gltexture->buffer_height)
return gltexture;
gltexture->textype=GLDT_PATCH;
}
return gltexture;
}
