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/*
* Copyright (C) Volition, Inc. 1999. All rights reserved.
*
* All source code herein is the property of Volition, Inc. You may not sell
* or otherwise commercially exploit the source or things you created based on the
* source.
*
*/
#include "anim/animplay.h"
#include "anim/packunpack.h"
#include "cmdline/cmdline.h"
#include "ddsutils/ddsutils.h"
#include "globalincs/systemvars.h"
#include "gropenglbmpman.h"
#include "gropenglstate.h"
#include "gropengltexture.h"
#include "jpgutils/jpgutils.h"
#include "pcxutils/pcxutils.h"
#include "pngutils/pngutils.h"
#include "tgautils/tgautils.h"
#define BMPMAN_INTERNAL
#include "bmpman/bm_internal.h"
int get_num_mipmap_levels(int w, int h)
{
int size, levels = 0;
size = MAX(w, h);
while (size > 0) {
size >>= 1;
levels++;
}
return (levels > 1) ? levels : 1;
}
/**
* Anything API specific to freeing bm data
*/
void gr_opengl_bm_free_data(bitmap_slot* slot, bool release)
{
if ( release )
opengl_free_texture_slot( slot );
if ( (slot->entry.type == BM_TYPE_RENDER_TARGET_STATIC) || (slot->entry.type == BM_TYPE_RENDER_TARGET_DYNAMIC) )
opengl_kill_render_target( slot );
}
/**
* API specifics for creating a user bitmap
*/
void gr_opengl_bm_create(bitmap_slot* /*entry*/)
{
}
/**
* API specific init instructions
*/
void gr_opengl_bm_init(bitmap_slot* slot)
{
slot->gr_info = new tcache_slot_opengl;
}
/**
* Specific instructions for setting up the start of a page-in session
*/
void gr_opengl_bm_page_in_start()
{
opengl_preload_init();
}
extern bool opengl_texture_slot_valid(int n, int handle);
void gr_opengl_bm_save_render_target(int handle)
{
if ( Cmdline_no_fbo ) {
return;
}
bitmap_entry *be = bm_get_entry(handle);
bitmap *bmp = &be->bm;
size_t rc = opengl_export_render_target( handle, bmp->w, bmp->h, (bmp->true_bpp == 32), be->num_mipmaps, (ubyte*)bmp->data );
if (rc != be->mem_taken) {
Int3();
return;
}
dds_save_image(bmp->w, bmp->h, bmp->true_bpp, be->num_mipmaps, (ubyte*)bmp->data, (bmp->flags & BMP_FLAG_CUBEMAP));
}
int gr_opengl_bm_make_render_target(int handle, int *width, int *height, int *bpp, int *mm_lvl, int flags)
{
if ( Cmdline_no_fbo ) {
return 0;
}
if ( (flags & BMP_FLAG_CUBEMAP) && (*width != *height) ) {
MIN(*width, *height) = MAX(*width, *height);
}
if ( opengl_make_render_target(handle, width, height, bpp, mm_lvl, flags) ) {
return 1;
}
return 0;
}
int gr_opengl_bm_set_render_target(int n, int face)
{
if ( Cmdline_no_fbo ) {
return 0;
}
if (n == -1) {
opengl_set_render_target(-1);
return 1;
}
auto entry = bm_get_entry(n);
int is_static = (entry->type == BM_TYPE_RENDER_TARGET_STATIC);
if ( opengl_set_render_target(n, face, is_static) ) {
return 1;
}
return 0;
}
bool gr_opengl_bm_data(int /*n*/, bitmap* /*bm*/)
{
// Do nothing here
return true;
}
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