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fs2open.github.com/code/graphics/grd3drender.cpp
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randomtiger 7cd2d35891 Added us fs2_open people to the credits. Worth looking at just for that. 
Added timer bar code, by default its not compiled in.
Use TIMEBAR_ACTIVE in project and dependancy code settings to activate.
Added the new timebar files with the new code.
2002-10-05 16:46:10 +00:00

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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.
*
*/
/*
* $Logfile: /Freespace2/code/Graphics/GrD3DRender.cpp $
* $Revision: 2.4 $
* $Date: 2002-10-05 16:46:09 $
* $Author: randomtiger $
*
* Code to actually render stuff using Direct3D
*
* $Log: not supported by cvs2svn $
* Revision 2.3 2002/08/07 00:45:25 DTP
* Implented -GF4FIX commandline switch & #include "cmdline/cmdline.h"
*
* Revision 2.2 2002/08/03 19:42:17 randomtiger
* Fixed Geforce 4 bug that caused font and hall video distortion.
* Very small change in 'gr_d3d_aabitmap_ex_internal'
*
* Tested and works on the following systems
*
* OUTSIDER Voodoo 3 win98
* OUTSIDER Geforce 2 win2000
* Me Geforce 4 PNY 4600 XP
* JBX-Phoenix Geforce 4 PNY XP
* Mehrunes GeForce 3 XP
* WMCoolmon nVidia TNT2 M64 win2000
* Orange GeForce 4 4200 XP
* ShadowWolf_IH Monster2 win98
* ShadowWolf_IH voodoo 2 win98
*
* Revision 2.1 2002/08/01 01:41:05 penguin
* The big include file move
*
* Revision 2.0 2002/06/03 04:02:22 penguin
* Warpcore CVS sync
*
* Revision 1.1 2002/05/02 18:03:07 mharris
* Initial checkin - converted filenames and includes to lower case
*
*
* 27 9/13/99 11:30a Dave
* Added checkboxes and functionality for disabling PXO banners as well as
* disabling d3d zbuffer biasing.
*
* 26 9/08/99 12:03a Dave
* Make squad logos render properly in D3D all the time. Added intel anim
* directory.
*
* 25 8/30/99 5:01p Dave
* Made d3d do less state changing in the nebula. Use new chat server for
* PXO.
*
* 24 7/30/99 4:04p Anoop
* Fixed D3D shader.
*
* 23 7/29/99 10:47p Dave
* Standardized D3D fogging using vertex fog. Shook out Savage 4 bugs.
*
* 22 7/27/99 3:09p Dave
* Made g400 work. Whee.
*
* 21 7/24/99 4:19p Dave
* Fixed dumb code with briefing bitmaps. Made d3d zbuffer work much
* better. Made model code use zbuffer more intelligently.
*
* 20 7/24/99 1:54p Dave
* Hud text flash gauge. Reworked dead popup to use 4 buttons in red-alert
* missions.
*
* 19 7/19/99 3:29p Dave
* Fixed gamma bitmap in the options screen.
*
* 18 7/14/99 9:42a Dave
* Put in clear_color debug function. Put in base for 3dnow stuff / P3
* stuff
*
* 17 7/13/99 1:15p Dave
* 32 bit support. Whee!
*
* 16 7/12/99 11:42a Jefff
* Made rectangle drawing smarter in D3D. Made plines draw properly on Ati
* Rage Pro.
*
* 15 6/29/99 10:35a Dave
* Interface polygon bitmaps! Whee!
*
* 14 5/05/99 9:02p Dave
* Fixed D3D aabitmap rendering. Spiffed up nebula effect a bit (added
* rotations, tweaked values, made bitmap selection more random). Fixed
* D3D beam weapon clipping problem. Added D3d frame dumping.
*
* 13 2/03/99 11:44a Dave
* Fixed d3d transparent textures.
*
* 12 1/30/99 5:08p Dave
* More new hi-res stuff.Support for nice D3D textures.
*
* 11 12/18/98 1:13a Dave
* Rough 1024x768 support for Direct3D. Proper detection and usage through
* the launcher.
*
* 10 12/08/98 7:03p Dave
* Much improved D3D fogging. Also put in vertex fogging for the cheesiest
* of 3d cards.
*
* 9 12/08/98 2:47p Johnson
* Made D3D fog use eye-relative fog instead of z depth fog.
*
* 8 12/08/98 9:36a Dave
* Almost done nebula effect for D3D. Looks 85% as good as Glide.
*
* 7 12/07/98 5:51p Dave
* Finally got d3d fog working! Now we just need to tweak values.
*
* 6 12/07/98 9:00a Dave
* Fixed d3d rendered. Still don't have fog working.
*
* 5 12/06/98 6:53p Dave
*
* 4 12/01/98 5:54p Dave
* Simplified the way pixel data is swizzled. Fixed tga bitmaps to work
* properly in D3D and Glide.
*
* 3 11/30/98 1:07p Dave
* 16 bit conversion, first run.
*
* 2 10/07/98 10:52a Dave
* Initial checkin.
*
* 1 10/07/98 10:49a Dave
*
* 54 5/25/98 10:32a John
* Took out redundant code for font bitmap offsets that converted to a
* float, then later on converted back to an integer. Quite unnecessary.
*
* 53 5/24/98 6:45p John
* let direct3d do all clipping.
*
* 52 5/24/98 3:42p John
* Let Direct3D do clipping on any linear textures, like lasers.
*
* 51 5/23/98 7:18p John
* optimized the uv bashing a bit.
*
* 50 5/22/98 1:11p John
* Added code to actually detect which offset a line needs
*
* 49 5/22/98 12:54p John
* added .5 to each pixel of a line. This seemed to make single pixel
* lines draw on all cards.
*
* 48 5/22/98 9:00a John
* Fixed problem of no fading out of additive textures due to Permedia2
* fix. Did this by dimming out the vertex RGB values.
*
* 47 5/21/98 9:56p John
* Made Direct3D work with classic alpha-blending only devices, like the
* Virge. Added a texture type XPARENT that fills the alpha in in the
* bitmap for Virge. Added support for Permedia by making making
* additive alphablending be one/one instead of alpha/one, which didn't
* work, and there is no way to tell this from caps.
*
* 46 5/20/98 9:45p John
* added code so the places in code that change half the palette don't
* have to clear the screen.
*
* 45 5/20/98 3:10p John
* Made lines work even if no alphagouraud capabilities on the card.
*
* 44 5/19/98 4:50p Lawrance
* JAS: Fixed some bugs on Alan's nVidia Riva128 PCI where some
* unitiallized fields, namely vertex->shw were causing glitches.
*
* 43 5/19/98 1:46p John
* Fixed Rendition/Riva128 uv problems.
*
* 42 5/19/98 12:34p John
* added code to fix uv's on rendition. added code to fix zbuffering
* problem on rendition.
*
* 41 5/18/98 8:26p John
* Made scanline be line. Made lines work if no line alpha blending
* supported. Made no alpha mode use alpha off.
*
* 40 5/17/98 4:13p John
* Made zbuffer clear only clear current clip region
*
* 39 5/17/98 3:23p John
* Took out capibility check for additive blending. Made gr_bitmap_ex
* clip properly in glide and direct3d.
*
* 38 5/15/98 8:48a John
* Fixed bug where one-pixel line was getting left on right and bottom.
*
* 37 5/12/98 8:43p John
* fixed particle zbuffering.
*
* 36 5/12/98 10:34a John
* Added d3d_shade functionality. Added d3d_flush function, since the
* shader seems to get reorganzed behind the overlay text stuff!
*
* 35 5/12/98 10:06a John
* Made all tmaps "clamp-clip". This fixed bug with offscreen hud
* indicators not rendering.
*
* 34 5/12/98 8:18a John
* Put in code to use a different texture format for alpha textures and
* normal textures. Turned off filtering for aabitmaps. Took out
* destblend=invsrccolor alpha mode that doesn't work on riva128.
*
* 33 5/11/98 10:58a John
* Fixed pilot name cursor bug. Started adding in code for alphachannel
* textures.
*
* 32 5/09/98 12:37p John
* More texture caching
*
* 31 5/09/98 12:16p John
* Even better texture caching.
*
* 30 5/08/98 10:12a John
* took out an mprintf
*
* 29 5/07/98 11:31a John
* Removed DEMO defines
*
* 28 5/07/98 10:28a John
* Made texture format use 4444. Made fonts use alpha to render.
*
* 27 5/07/98 10:09a John
* Fixed some bugs with short lines in D3D.
*
* 26 5/07/98 9:54a John
* Added in palette flash functionallity.
*
* 25 5/07/98 9:40a John
* Fixed some bitmap transparency issues with Direct3D.
*
* 24 5/06/98 11:21p John
* Fixed a bitmap bug with Direct3D. Started adding new caching code into
* D3D.
*
* 23 5/06/98 8:41p John
* Fixed some font clipping bugs. Moved texture handle set code for d3d
* into the texture module.
*
* 22 5/06/98 8:07p John
* made d3d clear work correctly.
*
* 21 5/06/98 8:00p John
* Got stars working under D3D.
*
* 20 5/06/98 5:30p John
* Removed unused cfilearchiver. Removed/replaced some unused/little used
* graphics functions, namely gradient_h and _v and pixel_sp. Put in new
* DirectX header files and libs that fixed the Direct3D alpha blending
* problems.
*
* 19 5/05/98 10:37p John
* Added code to optionally use execute buffers.
*
* 18 5/04/98 3:36p John
* Got zbuffering working with Direct3D.
*
* 17 5/03/98 10:52a John
* Made D3D sort of work on 3dfx.
*
* 16 5/03/98 10:43a John
* Working on Direct3D.
*
* 15 4/14/98 12:15p John
* Made 16-bpp movies work.
*
* 14 4/10/98 5:20p John
* Changed RGB in lighting structure to be ubytes. Removed old
* not-necessary 24 bpp software stuff.
*
* 13 4/09/98 11:05a John
* Removed all traces of Direct3D out of the demo version of Freespace and
* the launcher.
*
* 12 3/12/98 5:36p John
* Took out any unused shaders. Made shader code take rgbc instead of
* matrix and vector since noone used it like a matrix and it would have
* been impossible to do in hardware. Made Glide implement a basic
* shader for online help.
*
* 11 3/11/98 1:55p John
* Fixed warnings
*
* 10 3/10/98 4:18p John
* Cleaned up graphics lib. Took out most unused gr functions. Made D3D
* & Glide have popups and print screen. Took out all >8bpp software
* support. Made Fred zbuffer. Made zbuffer allocate dynamically to
* support Fred. Made zbuffering key off of functions rather than one
* global variable.
*
* 9 3/08/98 12:33p John
* Added more lines, tris, and colored flat polys (lasers!) correctly.
*
* 8 3/08/98 10:25a John
* Added in lines
*
* 7 3/07/98 8:29p John
* Put in some Direct3D features. Transparency on bitmaps. Made fonts &
* aabitmaps render nice.
*
* 6 3/06/98 5:39p John
* Started adding in aabitmaps
*
* 5 3/02/98 5:42p John
* Removed WinAVI stuff from Freespace. Made all HUD gauges wriggle from
* afterburner. Made gr_set_clip work good with negative x &y. Made
* model_caching be on by default. Made each cached model have it's own
* bitmap id. Made asteroids not rotate when model_caching is on.
*
* 4 2/26/98 3:24p John
* fixed optimized warning
*
* 3 2/17/98 7:28p John
* Got fonts and texturing working in Direct3D
*
* 2 2/07/98 7:50p John
* Added code so that we can use the old blending type of alphacolors if
* we want to. Made the stars use them.
*
* 1 2/03/98 9:24p John
*
* $NoKeywords: $
*/
#include "graphics/grd3dinternal.h"
#include "graphics/2d.h"
#include "globalincs/pstypes.h"
#include "bmpman/bmpman.h"
#include "palman/palman.h"
#include "graphics/line.h"
#include "cfile/cfile.h"
#include "nebula/neb.h"
#include "render/3d.h"
#include "cmdline/cmdline.h" //DTP for random tigers GF4fix, and the commandline switch.
#include "debugconsole/timerbar.h"
typedef enum gr_texture_source {
TEXTURE_SOURCE_NONE,
TEXTURE_SOURCE_DECAL,
TEXTURE_SOURCE_NO_FILTERING,
} gr_texture_source;
typedef enum gr_alpha_blend {
ALPHA_BLEND_NONE, // 1*SrcPixel + 0*DestPixel
ALPHA_BLEND_ALPHA_ADDITIVE, // Alpha*SrcPixel + 1*DestPixel
ALPHA_BLEND_ALPHA_BLEND_ALPHA, // Alpha*SrcPixel + (1-Alpha)*DestPixel
ALPHA_BLEND_ALPHA_BLEND_SRC_COLOR, // Alpha*SrcPixel + (1-SrcPixel)*DestPixel
} gr_alpha_blend;
typedef enum gr_zbuffer_type {
ZBUFFER_TYPE_NONE,
ZBUFFER_TYPE_READ,
ZBUFFER_TYPE_WRITE,
ZBUFFER_TYPE_FULL,
} gr_zbuffer_type;
int D3d_last_state = -1;
// Hack! move to another file!
extern int D3d_rendition_uvs;
// Hack! move to another file!
extern int D3D_fog_mode;
void gr_d3d_set_state( gr_texture_source ts, gr_alpha_blend ab, gr_zbuffer_type zt )
{
int current_state = 0;
current_state = current_state | (ts<<0);
current_state = current_state | (ab<<5);
current_state = current_state | (zt<<10);
if ( current_state == D3d_last_state ) {
return;
}
D3d_last_state = current_state;
switch( ts ) {
case TEXTURE_SOURCE_NONE:
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREHANDLE, NULL );
// Let the texture cache system know whe set the handle to NULL
gr_tcache_set(-1, -1, NULL, NULL );
break;
case TEXTURE_SOURCE_DECAL:
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMIN, D3DFILTER_LINEAR );
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMAG, D3DFILTER_LINEAR );
if ( lpDevDesc->dpcTriCaps.dwTextureBlendCaps & D3DPTBLENDCAPS_MODULATEALPHA ) {
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMAPBLEND, D3DTBLEND_MODULATEALPHA );
} else {
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMAPBLEND, D3DTBLEND_MODULATE );
}
break;
case TEXTURE_SOURCE_NO_FILTERING:
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMIN, D3DFILTER_NEAREST );
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMAG, D3DFILTER_NEAREST );
if ( lpDevDesc->dpcTriCaps.dwTextureBlendCaps & D3DPTBLENDCAPS_MODULATEALPHA ) {
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMAPBLEND, D3DTBLEND_MODULATEALPHA );
} else {
d3d_SetRenderState(D3DRENDERSTATE_TEXTUREMAPBLEND, D3DTBLEND_MODULATE );
}
break;
default:
Int3();
}
switch( ab ) {
case ALPHA_BLEND_NONE: // 1*SrcPixel + 0*DestPixel
d3d_SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, FALSE );
break;
case ALPHA_BLEND_ALPHA_ADDITIVE: // Alpha*SrcPixel + 1*DestPixel
case ALPHA_BLEND_ALPHA_BLEND_SRC_COLOR: // Alpha*SrcPixel + (1-SrcPixel)*DestPixel
if ( lpDevDesc->dpcTriCaps.dwDestBlendCaps & D3DPBLENDCAPS_ONE ) {
d3d_SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, TRUE );
// Must use ONE:ONE as the Permedia2 can't do SRCALPHA:ONE.
// But I lower RGB values so we don't loose anything.
d3d_SetRenderState(D3DRENDERSTATE_SRCBLEND, D3DBLEND_ONE );
//d3d_SetRenderState(D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA );
d3d_SetRenderState(D3DRENDERSTATE_DESTBLEND, D3DBLEND_ONE );
break;
}
// Fall through to normal alpha blending mode...
case ALPHA_BLEND_ALPHA_BLEND_ALPHA: // Alpha*SrcPixel + (1-Alpha)*DestPixel
if ( lpDevDesc->dpcTriCaps.dwSrcBlendCaps & D3DPBLENDCAPS_SRCALPHA ) {
d3d_SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, TRUE );
d3d_SetRenderState(D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA );
d3d_SetRenderState(D3DRENDERSTATE_DESTBLEND, D3DBLEND_INVSRCALPHA );
} else {
d3d_SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, TRUE );
d3d_SetRenderState(D3DRENDERSTATE_SRCBLEND, D3DBLEND_BOTHSRCALPHA );
}
break;
default:
Int3();
}
switch( zt ) {
case ZBUFFER_TYPE_NONE:
d3d_SetRenderState(D3DRENDERSTATE_ZENABLE,FALSE);
d3d_SetRenderState(D3DRENDERSTATE_ZWRITEENABLE,FALSE);
break;
case ZBUFFER_TYPE_READ:
d3d_SetRenderState(D3DRENDERSTATE_ZENABLE,TRUE);
d3d_SetRenderState(D3DRENDERSTATE_ZWRITEENABLE,FALSE);
break;
case ZBUFFER_TYPE_WRITE:
d3d_SetRenderState(D3DRENDERSTATE_ZENABLE,FALSE);
d3d_SetRenderState(D3DRENDERSTATE_ZWRITEENABLE,TRUE);
break;
case ZBUFFER_TYPE_FULL:
d3d_SetRenderState(D3DRENDERSTATE_ZENABLE,TRUE);
d3d_SetRenderState(D3DRENDERSTATE_ZWRITEENABLE,TRUE);
break;
default:
Int3();
}
}
extern int D3D_zbias;
void d3d_zbias(int bias)
{
if(D3D_zbias){
d3d_SetRenderState(D3DRENDERSTATE_ZBIAS, bias);
}
}
// If mode is FALSE, turn zbuffer off the entire frame,
// no matter what people pass to gr_zbuffer_set.
void gr_d3d_zbuffer_clear(int mode)
{
if ( mode ) {
gr_zbuffering = 1;
gr_zbuffering_mode = GR_ZBUFF_FULL;
gr_global_zbuffering = 1;
// Make sure zbuffering is on
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_NONE, ZBUFFER_TYPE_FULL );
// An application can clear z-buffers by using the IDirectDrawSurface2::Blt method.
// The DDBLT_DEPTHFILL flag indicates that the blit clears z-buffers. If this flag
// is specified, the DDBLTFX structure passed to the IDirectDrawSurface2::Blt method
// should have its dwFillDepth member set to the required z-depth. If the DirectDraw device
// driver for a 3D-accelerated display card is designed to provide support for z-buffer
// clearing in hardware, it should export the DDCAPS_BLTDEPTHFILL flag and should
// handle DDBLT_DEPTHFILL blits. The destination surface of a depth-fill blit must
// be a z-buffer.
// Note The actual interpretation of a depth value is specific to the 3D renderer.
D3DRECT rect;
rect.x1 = gr_screen.clip_left + gr_screen.offset_x;
rect.y1 = gr_screen.clip_top + gr_screen.offset_y;
rect.x2 = gr_screen.clip_right + gr_screen.offset_x;
rect.y2 = gr_screen.clip_bottom + gr_screen.offset_y;
if (lpViewport->Clear( 1, &rect, D3DCLEAR_ZBUFFER ) != D3D_OK ) {
mprintf(( "Failed to clear zbuffer!\n" ));
return;
}
} else {
gr_zbuffering = 0;
gr_zbuffering_mode = GR_ZBUFF_NONE;
gr_global_zbuffering = 0;
}
}
// internal d3d rect function
void gr_d3d_rect_internal(int x, int y, int w, int h, int r, int g, int b, int a)
{
int saved_zbuf;
vertex v[4];
vertex *verts[4] = {&v[0], &v[1], &v[2], &v[3]};
saved_zbuf = gr_zbuffer_get();
// start the frame, no zbuffering, no culling
g3_start_frame(1);
gr_zbuffer_set(GR_ZBUFF_NONE);
gr_set_cull(0);
// stuff coords
v[0].sx = i2fl(x);
v[0].sy = i2fl(y);
v[0].sw = 0.0f;
v[0].u = 0.0f;
v[0].v = 0.0f;
v[0].flags = PF_PROJECTED;
v[0].codes = 0;
v[0].r = (ubyte)r;
v[0].g = (ubyte)g;
v[0].b = (ubyte)b;
v[0].a = (ubyte)a;
v[1].sx = i2fl(x + w);
v[1].sy = i2fl(y);
v[1].sw = 0.0f;
v[1].u = 0.0f;
v[1].v = 0.0f;
v[1].flags = PF_PROJECTED;
v[1].codes = 0;
v[1].r = (ubyte)r;
v[1].g = (ubyte)g;
v[1].b = (ubyte)b;
v[1].a = (ubyte)a;
v[2].sx = i2fl(x + w);
v[2].sy = i2fl(y + h);
v[2].sw = 0.0f;
v[2].u = 0.0f;
v[2].v = 0.0f;
v[2].flags = PF_PROJECTED;
v[2].codes = 0;
v[2].r = (ubyte)r;
v[2].g = (ubyte)g;
v[2].b = (ubyte)b;
v[2].a = (ubyte)a;
v[3].sx = i2fl(x);
v[3].sy = i2fl(y + h);
v[3].sw = 0.0f;
v[3].u = 0.0f;
v[3].v = 0.0f;
v[3].flags = PF_PROJECTED;
v[3].codes = 0;
v[3].r = (ubyte)r;
v[3].g = (ubyte)g;
v[3].b = (ubyte)b;
v[3].a = (ubyte)a;
// draw the polys
g3_draw_poly_constant_sw(4, verts, TMAP_FLAG_GOURAUD | TMAP_FLAG_RGB | TMAP_FLAG_ALPHA, 0.1f);
g3_end_frame();
// restore zbuffer and culling
gr_zbuffer_set(saved_zbuf);
gr_set_cull(1);
}
int gr_d3d_zbuffer_get()
{
if ( !gr_global_zbuffering ) {
return GR_ZBUFF_NONE;
}
return gr_zbuffering_mode;
}
int gr_d3d_zbuffer_set(int mode)
{
/*
if ( !gr_global_zbuffering ) {
gr_zbuffering = 0;
return GR_ZBUFF_NONE;
}
*/
int tmp = gr_zbuffering_mode;
gr_zbuffering_mode = mode;
if ( gr_zbuffering_mode == GR_ZBUFF_NONE ) {
gr_zbuffering = 0;
} else {
gr_zbuffering = 1;
}
return tmp;
}
float D3D_line_offset = 0.0f;
void d3d_make_rect( D3DTLVERTEX *a, D3DTLVERTEX *b, int x1, int y1, int x2, int y2 )
{
// Alan's nvidia riva128 PCI screws up targetting brackets if
// rhw are uninitialized.
a->rhw = 1.0f;
b->rhw = 1.0f;
// just for completeness, initialize specular and sz.
a->specular = 0;
b->specular = 0;
a->sz = 0.99f;
b->sz = 0.99f;
a->sx = i2fl(x1 + gr_screen.offset_x)+D3D_line_offset;
a->sy = i2fl(y1 + gr_screen.offset_y)+D3D_line_offset;
b->sx = i2fl(x2 + gr_screen.offset_x)+D3D_line_offset;
b->sy = i2fl(y2 + gr_screen.offset_y)+D3D_line_offset;
if ( x1 == x2 ) {
// Verticle line
if ( a->sy < b->sy ) {
b->sy += 0.5f;
} else {
a->sy += 0.5f;
}
} else if ( y1 == y2 ) {
// Horizontal line
if ( a->sx < b->sx ) {
b->sx += 0.5f;
} else {
a->sx += 0.5f;
}
}
}
// basically just fills in the alpha component of the specular color. Hardware does the rest
// when rendering the poly
void gr_d3d_stuff_fog_value(float z, D3DCOLOR *spec)
{
float f_float;
*spec = 0;
// linear fog formula
f_float = (gr_screen.fog_far - z) / (gr_screen.fog_far - gr_screen.fog_near);
if(f_float < 0.0f){
f_float = 0.0f;
} else if(f_float > 1.0f){
f_float = 1.0f;
}
*spec = D3DRGBA(0.0f, 0.0f, 0.0f, f_float);
}
float z_mult = 30000.0f;
DCF(zmult, "")
{
dc_get_arg(ARG_FLOAT);
z_mult = Dc_arg_float;
}
float flCAP( float x, float minx, float maxx)
{
if ( x < minx ) {
return minx;
} else if ( x > maxx ) {
return maxx;
}
return x;
}
#define NEBULA_COLORS 20
void gr_d3d_tmapper_internal( int nverts, vertex **verts, uint flags, int is_scaler )
{
int i;
float u_scale = 1.0f, v_scale = 1.0f;
int bw = 1, bh = 1;
// Make nebula use the texture mapper... this blends the colors better.
if ( flags & TMAP_FLAG_NEBULA ){
Int3();
/*
flags |= TMAP_FLAG_TEXTURED | TMAP_FLAG_CORRECT;
static int test_bmp = -1;
static ushort data[16];
if ( test_bmp == -1 ){
ushort pix;
ubyte a, r, g, b;
int idx;
// stuff the fake bitmap
a = 1; r = 255; g = 255; b = 255;
pix = 0;
bm_set_components((ubyte*)&pix, &r, &g, &b, &a);
for(idx=0; idx<16; idx++){
data[idx] = pix;
}
test_bmp = bm_create( 16, 4, 4, data );
}
gr_set_bitmap( test_bmp );
for (i=0; i<nverts; i++ ) {
verts[i]->u = verts[i]->v = 0.5f;
}
*/
}
gr_texture_source texture_source = (gr_texture_source)-1;
gr_alpha_blend alpha_blend = (gr_alpha_blend)-1;
gr_zbuffer_type zbuffer_type = (gr_zbuffer_type)-1;
if ( gr_zbuffering ) {
if ( is_scaler || (gr_screen.current_alphablend_mode == GR_ALPHABLEND_FILTER) ) {
zbuffer_type = ZBUFFER_TYPE_READ;
} else {
zbuffer_type = ZBUFFER_TYPE_FULL;
}
} else {
zbuffer_type = ZBUFFER_TYPE_NONE;
}
int alpha;
int tmap_type = TCACHE_TYPE_NORMAL;
int r, g, b;
if ( flags & TMAP_FLAG_TEXTURED ) {
r = 255;
g = 255;
b = 255;
} else {
r = gr_screen.current_color.red;
g = gr_screen.current_color.green;
b = gr_screen.current_color.blue;
}
if ( gr_screen.current_alphablend_mode == GR_ALPHABLEND_FILTER ) {
if ( lpDevDesc->dpcTriCaps.dwDestBlendCaps & D3DPBLENDCAPS_ONE ) {
tmap_type = TCACHE_TYPE_NORMAL;
alpha_blend = ALPHA_BLEND_ALPHA_ADDITIVE;
// Blend with screen pixel using src*alpha+dst
float factor = gr_screen.current_alpha;
alpha = 255;
if ( factor <= 1.0f ) {
int tmp_alpha = fl2i(gr_screen.current_alpha*255.0f);
r = (r*tmp_alpha)/255;
g = (g*tmp_alpha)/255;
b = (b*tmp_alpha)/255;
}
} else {
tmap_type = TCACHE_TYPE_XPARENT;
alpha_blend = ALPHA_BLEND_ALPHA_BLEND_ALPHA;
// Blend with screen pixel using src*alpha+dst
float factor = gr_screen.current_alpha;
if ( factor > 1.0f ) {
alpha = 255;
} else {
alpha = fl2i(gr_screen.current_alpha*255.0f);
}
}
} else {
if(Bm_pixel_format == BM_PIXEL_FORMAT_ARGB_D3D){
alpha_blend = ALPHA_BLEND_ALPHA_BLEND_ALPHA;
} else {
alpha_blend = ALPHA_BLEND_NONE;
}
alpha = 255;
}
if(flags & TMAP_FLAG_BITMAP_SECTION){
tmap_type = TCACHE_TYPE_BITMAP_SECTION;
}
texture_source = TEXTURE_SOURCE_NONE;
if ( flags & TMAP_FLAG_TEXTURED ) {
if ( !gr_tcache_set(gr_screen.current_bitmap, tmap_type, &u_scale, &v_scale, 0, gr_screen.current_bitmap_sx, gr_screen.current_bitmap_sy )) {
mprintf(( "Not rendering a texture because it didn't fit in VRAM!\n" ));
return;
}
// use nonfiltered textures for bitmap sections
if(flags & TMAP_FLAG_BITMAP_SECTION){
texture_source = TEXTURE_SOURCE_NO_FILTERING;
} else {
texture_source = TEXTURE_SOURCE_DECAL;
}
}
gr_d3d_set_state( texture_source, alpha_blend, zbuffer_type );
D3DTLVERTEX d3d_verts[32];
D3DTLVERTEX *src_v = d3d_verts;
int x1, y1, x2, y2;
x1 = gr_screen.clip_left*16;
x2 = gr_screen.clip_right*16+15;
y1 = gr_screen.clip_top*16;
y2 = gr_screen.clip_bottom*16+15;
float uoffset = 0.0f;
float voffset = 0.0f;
float minu=0.0f, minv=0.0f, maxu=1.0f, maxv=1.0f;
if ( flags & TMAP_FLAG_TEXTURED ) {
if ( D3d_rendition_uvs ) {
bm_get_info(gr_screen.current_bitmap, &bw, &bh);
uoffset = 2.0f/i2fl(bw);
voffset = 2.0f/i2fl(bh);
minu = uoffset;
minv = voffset;
maxu = 1.0f - uoffset;
maxv = 1.0f - voffset;
}
}
// turn on pixel fog if we're rendering against a fullneb background
// if(flags & TMAP_FLAG_PIXEL_FOG){
// set fog
// gr_fog_set(GR_FOGMODE_FOG, gr_screen.current_fog_color.red, gr_screen.current_fog_color.green, gr_screen.current_fog_color.blue);
// }
for (i=0; i<nverts; i++ ) {
vertex * va = verts[i];
// store in case we're doing vertex fog.
if ( gr_zbuffering || (flags & TMAP_FLAG_NEBULA) ) {
src_v->sz = va->z / z_mult; // For zbuffering and fogging
if ( src_v->sz > 0.98f ) {
src_v->sz = 0.98f;
}
} else {
src_v->sz = 0.99f;
}
if ( flags & TMAP_FLAG_CORRECT ) {
src_v->rhw = va->sw; // For texture correction
} else {
src_v->rhw = 1.0f; // For texture correction
}
int a;
if ( flags & TMAP_FLAG_ALPHA ) {
a = verts[i]->a;
} else {
a = alpha;
}
if ( flags & TMAP_FLAG_NEBULA ) {
int pal = (verts[i]->b*(NEBULA_COLORS-1))/255;
r = gr_palette[pal*3+0];
g = gr_palette[pal*3+1];
b = gr_palette[pal*3+2];
} else if ( (flags & TMAP_FLAG_RAMP) && (flags & TMAP_FLAG_GOURAUD) ) {
r = Gr_gamma_lookup[verts[i]->b];
g = Gr_gamma_lookup[verts[i]->b];
b = Gr_gamma_lookup[verts[i]->b];
} else if ( (flags & TMAP_FLAG_RGB) && (flags & TMAP_FLAG_GOURAUD) ) {
// Make 0.75 be 256.0f
r = Gr_gamma_lookup[verts[i]->r];
g = Gr_gamma_lookup[verts[i]->g];
b = Gr_gamma_lookup[verts[i]->b];
} else {
// use constant RGB values...
}
src_v->color = RGBA_MAKE(r, g, b, a);
// if we're fogging and we're doing vertex fog
if((gr_screen.current_fog_mode != GR_FOGMODE_NONE) && (D3D_fog_mode == 1)){
gr_d3d_stuff_fog_value(va->z, &src_v->specular);
} else {
src_v->specular = 0;
}
int x, y;
x = fl2i(va->sx*16.0f);
y = fl2i(va->sy*16.0f);
x += gr_screen.offset_x*16;
y += gr_screen.offset_y*16;
src_v->sx = i2fl(x) / 16.0f;
src_v->sy = i2fl(y) / 16.0f;
if ( flags & TMAP_FLAG_TEXTURED ) {
// argh. rendition
if ( D3d_rendition_uvs ){
// tiled texture (ships, etc), bitmap sections
if(flags & TMAP_FLAG_TILED){
src_v->tu = va->u*u_scale;
src_v->tv = va->v*v_scale;
}
// sectioned
else if(flags & TMAP_FLAG_BITMAP_SECTION){
int sw, sh;
bm_get_section_size(gr_screen.current_bitmap, gr_screen.current_bitmap_sx, gr_screen.current_bitmap_sy, &sw, &sh);
src_v->tu = (va->u + (0.5f / i2fl(sw))) * u_scale;
src_v->tv = (va->v + (0.5f / i2fl(sh))) * v_scale;
}
// all else.
else {
src_v->tu = flCAP(va->u, minu, maxu);
src_v->tv = flCAP(va->v, minv, maxv);
}
}
// yay. non-rendition
else {
src_v->tu = va->u*u_scale;
src_v->tv = va->v*v_scale;
}
} else {
src_v->tu = 0.0f;
src_v->tv = 0.0f;
}
src_v++;
}
// if we're rendering against a fullneb background
if(flags & TMAP_FLAG_PIXEL_FOG){
int r, g, b;
int ra, ga, ba;
ra = ga = ba = 0;
// get the average pixel color behind the vertices
for(i=0; i<nverts; i++){
neb2_get_pixel((int)d3d_verts[i].sx, (int)d3d_verts[i].sy, &r, &g, &b);
ra += r;
ga += g;
ba += b;
}
ra /= nverts;
ga /= nverts;
ba /= nverts;
// set fog
gr_fog_set(GR_FOGMODE_FOG, ra, ga, ba);
}
d3d_DrawPrimitive(D3DPT_TRIANGLEFAN, D3DVT_TLVERTEX, (LPVOID)d3d_verts, nverts, NULL);
// turn off fog
// if(flags & TMAP_FLAG_PIXEL_FOG){
// gr_fog_set(GR_FOGMODE_NONE, 0, 0, 0);
// }
}
void gr_d3d_tmapper( int nverts, vertex **verts, uint flags )
{
gr_d3d_tmapper_internal( nverts, verts, flags, 0 );
}
#define FIND_SCALED_NUM(x,x0,x1,y0,y1) (((((x)-(x0))*((y1)-(y0)))/((x1)-(x0)))+(y0))
void gr_d3d_scaler(vertex *va, vertex *vb )
{
float x0, y0, x1, y1;
float u0, v0, u1, v1;
float clipped_x0, clipped_y0, clipped_x1, clipped_y1;
float clipped_u0, clipped_v0, clipped_u1, clipped_v1;
float xmin, xmax, ymin, ymax;
int dx0, dy0, dx1, dy1;
//============= CLIP IT =====================
x0 = va->sx; y0 = va->sy;
x1 = vb->sx; y1 = vb->sy;
xmin = i2fl(gr_screen.clip_left); ymin = i2fl(gr_screen.clip_top);
xmax = i2fl(gr_screen.clip_right); ymax = i2fl(gr_screen.clip_bottom);
u0 = va->u; v0 = va->v;
u1 = vb->u; v1 = vb->v;
// Check for obviously offscreen bitmaps...
if ( (y1<=y0) || (x1<=x0) ) return;
if ( (x1<xmin ) || (x0>xmax) ) return;
if ( (y1<ymin ) || (y0>ymax) ) return;
clipped_u0 = u0; clipped_v0 = v0;
clipped_u1 = u1; clipped_v1 = v1;
clipped_x0 = x0; clipped_y0 = y0;
clipped_x1 = x1; clipped_y1 = y1;
// Clip the left, moving u0 right as necessary
if ( x0 < xmin ) {
clipped_u0 = FIND_SCALED_NUM(xmin,x0,x1,u0,u1);
clipped_x0 = xmin;
}
// Clip the right, moving u1 left as necessary
if ( x1 > xmax ) {
clipped_u1 = FIND_SCALED_NUM(xmax,x0,x1,u0,u1);
clipped_x1 = xmax;
}
// Clip the top, moving v0 down as necessary
if ( y0 < ymin ) {
clipped_v0 = FIND_SCALED_NUM(ymin,y0,y1,v0,v1);
clipped_y0 = ymin;
}
// Clip the bottom, moving v1 up as necessary
if ( y1 > ymax ) {
clipped_v1 = FIND_SCALED_NUM(ymax,y0,y1,v0,v1);
clipped_y1 = ymax;
}
dx0 = fl2i(clipped_x0); dx1 = fl2i(clipped_x1);
dy0 = fl2i(clipped_y0); dy1 = fl2i(clipped_y1);
if (dx1<=dx0) return;
if (dy1<=dy0) return;
//============= DRAW IT =====================
vertex v[4];
vertex *vl[4];
vl[0] = &v[0];
v->sx = clipped_x0;
v->sy = clipped_y0;
v->sw = va->sw;
v->z = va->z;
v->u = clipped_u0;
v->v = clipped_v0;
vl[1] = &v[1];
v[1].sx = clipped_x1;
v[1].sy = clipped_y0;
v[1].sw = va->sw;
v[1].z = va->z;
v[1].u = clipped_u1;
v[1].v = clipped_v0;
vl[2] = &v[2];
v[2].sx = clipped_x1;
v[2].sy = clipped_y1;
v[2].sw = va->sw;
v[2].z = va->z;
v[2].u = clipped_u1;
v[2].v = clipped_v1;
vl[3] = &v[3];
v[3].sx = clipped_x0;
v[3].sy = clipped_y1;
v[3].sw = va->sw;
v[3].z = va->z;
v[3].u = clipped_u0;
v[3].v = clipped_v1;
gr_d3d_tmapper_internal( 4, vl, TMAP_FLAG_TEXTURED, 1 );
}
void gr_d3d_aascaler(vertex *va, vertex *vb )
{
}
void gr_d3d_pixel(int x, int y)
{
gr_line(x,y,x,y);
}
void gr_d3d_clear()
{
// Turn off zbuffering so this doesn't clear the zbuffer
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_NONE, ZBUFFER_TYPE_NONE );
RECT dst;
DDBLTFX ddbltfx;
DDSURFACEDESC ddsd;
// Get the surface desc
ddsd.dwSize = sizeof(ddsd);
lpBackBuffer->GetSurfaceDesc(&ddsd);
memset(&ddbltfx, 0, sizeof(ddbltfx));
ddbltfx.dwSize = sizeof(DDBLTFX);
ddbltfx.dwFillColor = RGB_MAKE(gr_screen.current_clear_color.red, gr_screen.current_clear_color.green, gr_screen.current_clear_color.blue);
dst.left = gr_screen.clip_left+gr_screen.offset_x;
dst.top = gr_screen.clip_top+gr_screen.offset_y;
dst.right = gr_screen.clip_right+1+gr_screen.offset_x;
dst.bottom = gr_screen.clip_bottom+1+gr_screen.offset_y;
if ( lpBackBuffer->Blt( &dst, NULL, NULL, DDBLT_COLORFILL | DDBLT_WAIT, &ddbltfx ) != DD_OK ) {
return;
}
}
// sets the clipping region & offset
void gr_d3d_set_clip(int x,int y,int w,int h)
{
gr_screen.offset_x = x;
gr_screen.offset_y = y;
gr_screen.clip_left = 0;
gr_screen.clip_right = w-1;
gr_screen.clip_top = 0;
gr_screen.clip_bottom = h-1;
// check for sanity of parameters
if ( gr_screen.clip_left+x < 0 ) {
gr_screen.clip_left = -x;
} else if ( gr_screen.clip_left+x > gr_screen.max_w-1 ) {
gr_screen.clip_left = gr_screen.max_w-1-x;
}
if ( gr_screen.clip_right+x < 0 ) {
gr_screen.clip_right = -x;
} else if ( gr_screen.clip_right+x >= gr_screen.max_w-1 ) {
gr_screen.clip_right = gr_screen.max_w-1-x;
}
if ( gr_screen.clip_top+y < 0 ) {
gr_screen.clip_top = -y;
} else if ( gr_screen.clip_top+y > gr_screen.max_h-1 ) {
gr_screen.clip_top = gr_screen.max_h-1-y;
}
if ( gr_screen.clip_bottom+y < 0 ) {
gr_screen.clip_bottom = -y;
} else if ( gr_screen.clip_bottom+y > gr_screen.max_h-1 ) {
gr_screen.clip_bottom = gr_screen.max_h-1-y;
}
gr_screen.clip_width = gr_screen.clip_right - gr_screen.clip_left + 1;
gr_screen.clip_height = gr_screen.clip_bottom - gr_screen.clip_top + 1;
// Setup the viewport for a reasonable viewing area
D3DVIEWPORT viewdata;
DWORD largest_side;
HRESULT ddrval;
// Compensate for aspect ratio
if ( gr_screen.clip_width > gr_screen.clip_height )
largest_side = gr_screen.clip_width;
else
largest_side = gr_screen.clip_height;
viewdata.dwSize = sizeof( viewdata );
viewdata.dwX = gr_screen.clip_left+x;
viewdata.dwY = gr_screen.clip_top+y;
viewdata.dwWidth = gr_screen.clip_width;
viewdata.dwHeight = gr_screen.clip_height;
viewdata.dvScaleX = largest_side / 2.0F;
viewdata.dvScaleY = largest_side / 2.0F;
viewdata.dvMaxX = ( float ) ( viewdata.dwWidth / ( 2.0F * viewdata.dvScaleX ) );
viewdata.dvMaxY = ( float ) ( viewdata.dwHeight / ( 2.0F * viewdata.dvScaleY ) );
viewdata.dvMinZ = 0.0F;
viewdata.dvMaxZ = 0.0F; // choose something appropriate here!
ddrval = lpViewport->SetViewport( &viewdata );
if ( ddrval != DD_OK ) {
mprintf(( "GR_D3D_SET_CLIP: SetViewport failed.\n" ));
}
}
void gr_d3d_reset_clip()
{
gr_screen.offset_x = 0;
gr_screen.offset_y = 0;
gr_screen.clip_left = 0;
gr_screen.clip_top = 0;
gr_screen.clip_right = gr_screen.max_w - 1;
gr_screen.clip_bottom = gr_screen.max_h - 1;
gr_screen.clip_width = gr_screen.max_w;
gr_screen.clip_height = gr_screen.max_h;
// Setup the viewport for a reasonable viewing area
D3DVIEWPORT viewdata;
DWORD largest_side;
HRESULT ddrval;
// Compensate for aspect ratio
if ( gr_screen.clip_width > gr_screen.clip_height )
largest_side = gr_screen.clip_width;
else
largest_side = gr_screen.clip_height;
viewdata.dwSize = sizeof( viewdata );
viewdata.dwX = gr_screen.clip_left;
viewdata.dwY = gr_screen.clip_top;
viewdata.dwWidth = gr_screen.clip_width;
viewdata.dwHeight = gr_screen.clip_height;
viewdata.dvScaleX = largest_side / 2.0F;
viewdata.dvScaleY = largest_side / 2.0F;
viewdata.dvMaxX = ( float ) ( viewdata.dwWidth / ( 2.0F * viewdata.dvScaleX ) );
viewdata.dvMaxY = ( float ) ( viewdata.dwHeight / ( 2.0F * viewdata.dvScaleY ) );
viewdata.dvMinZ = 0.0F;
viewdata.dvMaxZ = 0.0F; // choose something appropriate here!
ddrval = lpViewport->SetViewport( &viewdata );
if ( ddrval != DD_OK ) {
mprintf(( "GR_D3D_SET_CLIP: SetViewport failed.\n" ));
}
}
void gr_d3d_init_color(color *c, int r, int g, int b)
{
c->screen_sig = gr_screen.signature;
c->red = unsigned char(r);
c->green = unsigned char(g);
c->blue = unsigned char(b);
c->alpha = 255;
c->ac_type = AC_TYPE_NONE;
c->alphacolor = -1;
c->is_alphacolor = 0;
c->magic = 0xAC01;
}
void gr_d3d_init_alphacolor( color *clr, int r, int g, int b, int alpha, int type )
{
if ( r < 0 ) r = 0; else if ( r > 255 ) r = 255;
if ( g < 0 ) g = 0; else if ( g > 255 ) g = 255;
if ( b < 0 ) b = 0; else if ( b > 255 ) b = 255;
if ( alpha < 0 ) alpha = 0; else if ( alpha > 255 ) alpha = 255;
gr_d3d_init_color( clr, r, g, b );
clr->alpha = unsigned char(alpha);
clr->ac_type = (ubyte)type;
clr->alphacolor = -1;
clr->is_alphacolor = 1;
}
void gr_d3d_set_color( int r, int g, int b )
{
Assert((r >= 0) && (r < 256));
Assert((g >= 0) && (g < 256));
Assert((b >= 0) && (b < 256));
gr_d3d_init_color( &gr_screen.current_color, r, g, b );
}
void gr_d3d_get_color( int * r, int * g, int * b )
{
if (r) *r = gr_screen.current_color.red;
if (g) *g = gr_screen.current_color.green;
if (b) *b = gr_screen.current_color.blue;
}
void gr_d3d_set_color_fast(color *dst)
{
if ( dst->screen_sig != gr_screen.signature ) {
if ( dst->is_alphacolor ) {
gr_d3d_init_alphacolor( dst, dst->red, dst->green, dst->blue, dst->alpha, dst->ac_type );
} else {
gr_d3d_init_color( dst, dst->red, dst->green, dst->blue );
}
}
gr_screen.current_color = *dst;
}
void gr_d3d_set_bitmap( int bitmap_num, int alphablend_mode, int bitblt_mode, float alpha, int sx, int sy )
{
gr_screen.current_alpha = alpha;
gr_screen.current_alphablend_mode = alphablend_mode;
gr_screen.current_bitblt_mode = bitblt_mode;
gr_screen.current_bitmap = bitmap_num;
gr_screen.current_bitmap_sx = sx;
gr_screen.current_bitmap_sy = sy;
}
void gr_d3d_bitmap_ex_internal(int x,int y,int w,int h,int sx,int sy)
{
int i,j;
bitmap * bmp;
ushort * sptr;
ushort * dptr;
HRESULT ddrval;
DDSURFACEDESC ddsd;
memset( &ddsd, 0, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddrval = lpBackBuffer->Lock( NULL, &ddsd, DDLOCK_WAIT, NULL );
if ( ddrval != DD_OK ) {
mprintf(( "Error locking surface for bitmap_ex, %s\n", d3d_error_string(ddrval) ));
return;
}
dptr = (ushort *)((int)ddsd.lpSurface+ddsd.lPitch*(y+gr_screen.offset_y)+(x+gr_screen.offset_x)*2);
bmp = bm_lock( gr_screen.current_bitmap, 16, 0 );
sptr = (ushort *)( bmp->data + (sy*bmp->w + sx) );
// nice and speedy compared to the old way
for (i=0; i<h; i++ ) {
for ( j=0; j<w; j++ ) {
// if its not transparent, blit it
if(sptr[j] != Gr_green.mask){
dptr[j] = sptr[j];
}
}
// next row on the screen
dptr = (ushort *)((uint)dptr + ddsd.lPitch);
// next row in the bitmap
sptr += bmp->w;
}
bm_unlock(gr_screen.current_bitmap);
// Unlock the back buffer
lpBackBuffer->Unlock( NULL );
}
void gr_d3d_bitmap_ex(int x,int y,int w,int h,int sx,int sy)
{
int reclip;
#ifndef NDEBUG
int count = 0;
#endif
int dx1=x, dx2=x+w-1;
int dy1=y, dy2=y+h-1;
int bw, bh;
bm_get_info( gr_screen.current_bitmap, &bw, &bh, NULL );
do {
reclip = 0;
#ifndef NDEBUG
if ( count > 1 ) Int3();
count++;
#endif
if ((dx1 > gr_screen.clip_right ) || (dx2 < gr_screen.clip_left)) return;
if ((dy1 > gr_screen.clip_bottom ) || (dy2 < gr_screen.clip_top)) return;
if ( dx1 < gr_screen.clip_left ) { sx += gr_screen.clip_left-dx1; dx1 = gr_screen.clip_left; }
if ( dy1 < gr_screen.clip_top ) { sy += gr_screen.clip_top-dy1; dy1 = gr_screen.clip_top; }
if ( dx2 > gr_screen.clip_right ) { dx2 = gr_screen.clip_right; }
if ( dy2 > gr_screen.clip_bottom ) { dy2 = gr_screen.clip_bottom; }
if ( sx < 0 ) {
dx1 -= sx;
sx = 0;
reclip = 1;
}
if ( sy < 0 ) {
dy1 -= sy;
sy = 0;
reclip = 1;
}
w = dx2-dx1+1;
h = dy2-dy1+1;
if ( sx + w > bw ) {
w = bw - sx;
dx2 = dx1 + w - 1;
}
if ( sy + h > bh ) {
h = bh - sy;
dy2 = dy1 + h - 1;
}
if ( w < 1 ) return; // clipped away!
if ( h < 1 ) return; // clipped away!
} while (reclip);
// Make sure clipping algorithm works
#ifndef NDEBUG
Assert( w > 0 );
Assert( h > 0 );
Assert( w == (dx2-dx1+1) );
Assert( h == (dy2-dy1+1) );
Assert( sx >= 0 );
Assert( sy >= 0 );
Assert( sx+w <= bw );
Assert( sy+h <= bh );
Assert( dx2 >= dx1 );
Assert( dy2 >= dy1 );
Assert( (dx1 >= gr_screen.clip_left ) && (dx1 <= gr_screen.clip_right) );
Assert( (dx2 >= gr_screen.clip_left ) && (dx2 <= gr_screen.clip_right) );
Assert( (dy1 >= gr_screen.clip_top ) && (dy1 <= gr_screen.clip_bottom) );
Assert( (dy2 >= gr_screen.clip_top ) && (dy2 <= gr_screen.clip_bottom) );
#endif
// We now have dx1,dy1 and dx2,dy2 and sx, sy all set validly within clip regions.
// Draw bitmap bm[sx,sy] into (dx1,dy1)-(dx2,dy2)
gr_d3d_bitmap_ex_internal(dx1,dy1,dx2-dx1+1,dy2-dy1+1,sx,sy);
}
void gr_d3d_bitmap(int x, int y)
{
int w, h;
bm_get_info( gr_screen.current_bitmap, &w, &h, NULL );
int dx1=x, dx2=x+w-1;
int dy1=y, dy2=y+h-1;
int sx=0, sy=0;
if ((dx1 > gr_screen.clip_right ) || (dx2 < gr_screen.clip_left)) return;
if ((dy1 > gr_screen.clip_bottom ) || (dy2 < gr_screen.clip_top)) return;
if ( dx1 < gr_screen.clip_left ) { sx = gr_screen.clip_left-dx1; dx1 = gr_screen.clip_left; }
if ( dy1 < gr_screen.clip_top ) { sy = gr_screen.clip_top-dy1; dy1 = gr_screen.clip_top; }
if ( dx2 > gr_screen.clip_right ) { dx2 = gr_screen.clip_right; }
if ( dy2 > gr_screen.clip_bottom ) { dy2 = gr_screen.clip_bottom; }
if ( sx < 0 ) return;
if ( sy < 0 ) return;
if ( sx >= w ) return;
if ( sy >= h ) return;
// Draw bitmap bm[sx,sy] into (dx1,dy1)-(dx2,dy2)
gr_d3d_bitmap_ex_internal(dx1,dy1,dx2-dx1+1,dy2-dy1+1,sx,sy);
}
void gr_d3d_aabitmap_ex_internal(int x,int y,int w,int h,int sx,int sy)
{
if ( w < 1 ) return;
if ( h < 1 ) return;
if ( !gr_screen.current_color.is_alphacolor ) return;
float u_scale, v_scale;
gr_d3d_set_state( TEXTURE_SOURCE_NO_FILTERING, ALPHA_BLEND_ALPHA_BLEND_ALPHA, ZBUFFER_TYPE_NONE );
if ( !gr_tcache_set( gr_screen.current_bitmap, TCACHE_TYPE_AABITMAP, &u_scale, &v_scale ) ) {
// Couldn't set texture
//mprintf(( "GLIDE: Error setting aabitmap texture!\n" ));
return;
}
LPD3DTLVERTEX src_v;
D3DTLVERTEX d3d_verts[4];
float u0, u1, v0, v1;
float x1, x2, y1, y2;
int bw, bh;
bm_get_info( gr_screen.current_bitmap, &bw, &bh );
// Rendition
if ( D3d_rendition_uvs ) {
u0 = u_scale*(i2fl(sx)+0.5f)/i2fl(bw);
v0 = v_scale*(i2fl(sy)+0.5f)/i2fl(bh);
u1 = u_scale*(i2fl(sx+w)+0.5f)/i2fl(bw);
v1 = v_scale*(i2fl(sy+h)+0.5f)/i2fl(bh);
//} else { //DTP; commented out, for easy re-editing
// u0 = u_scale*i2fl((sx)-0.5f)/i2fl(bw);
// v0 = v_scale*i2fl((sy)-0.5f)/i2fl(bh);
// u1 = u_scale*i2fl((sx+w)-0.5f)/i2fl(bw);
// v1 = v_scale*i2fl((sy+h)-0.5f)/i2fl(bh);
//}
} else if (!Cmdline_gf4fix) { //DTP if not set at commandline do the original code
u0 = u_scale*i2fl(sx)/i2fl(bw);
v0 = v_scale*i2fl(sy)/i2fl(bh);
u1 = u_scale*i2fl(sx+w)/i2fl(bw);
v1 = v_scale*i2fl(sy+h)/i2fl(bh);
} else { //DTP; these next 4 lines is random tigers Fix. activated by setting -GF4FIX in the commandline.
u0 = u_scale*(i2fl(sx)-0.5f)/i2fl(bw);
v0 = v_scale*(i2fl(sy)-0.5f)/i2fl(bh);
u1 = u_scale*(i2fl(sx+w)-0.5f)/i2fl(bw);
v1 = v_scale*(i2fl(sy+h)-0.5f)/i2fl(bh);
}
x1 = i2fl(x+gr_screen.offset_x);
y1 = i2fl(y+gr_screen.offset_y);
x2 = i2fl(x+w+gr_screen.offset_x);
y2 = i2fl(y+h+gr_screen.offset_y);
src_v = d3d_verts;
uint color;
if ( gr_screen.current_color.is_alphacolor ) {
if ( lpDevDesc->dpcTriCaps.dwTextureBlendCaps & D3DPTBLENDCAPS_MODULATEALPHA ) {
color = RGBA_MAKE(gr_screen.current_color.red, gr_screen.current_color.green, gr_screen.current_color.blue,gr_screen.current_color.alpha);
} else {
int r = (gr_screen.current_color.red*gr_screen.current_color.alpha)/255;
int g = (gr_screen.current_color.green*gr_screen.current_color.alpha)/255;
int b = (gr_screen.current_color.blue*gr_screen.current_color.alpha)/255;
color = RGBA_MAKE(r,g,b, 255 );
}
} else {
color = RGB_MAKE(gr_screen.current_color.red, gr_screen.current_color.green, gr_screen.current_color.blue);
}
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x1;
src_v->sy = y1;
src_v->tu = u0;
src_v->tv = v0;
src_v++;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x2;
src_v->sy = y1;
src_v->tu = u1;
src_v->tv = v0;
src_v++;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x2;
src_v->sy = y2;
src_v->tu = u1;
src_v->tv = v1;
src_v++;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x1;
src_v->sy = y2;
src_v->tu = u0;
src_v->tv = v1;
d3d_DrawPrimitive(D3DPT_TRIANGLEFAN,D3DVT_TLVERTEX,(LPVOID)d3d_verts,4,NULL);
}
void gr_d3d_aabitmap_ex(int x,int y,int w,int h,int sx,int sy)
{
int reclip;
#ifndef NDEBUG
int count = 0;
#endif
int dx1=x, dx2=x+w-1;
int dy1=y, dy2=y+h-1;
int bw, bh;
bm_get_info( gr_screen.current_bitmap, &bw, &bh, NULL );
do {
reclip = 0;
#ifndef NDEBUG
if ( count > 1 ) Int3();
count++;
#endif
if ((dx1 > gr_screen.clip_right ) || (dx2 < gr_screen.clip_left)) return;
if ((dy1 > gr_screen.clip_bottom ) || (dy2 < gr_screen.clip_top)) return;
if ( dx1 < gr_screen.clip_left ) { sx += gr_screen.clip_left-dx1; dx1 = gr_screen.clip_left; }
if ( dy1 < gr_screen.clip_top ) { sy += gr_screen.clip_top-dy1; dy1 = gr_screen.clip_top; }
if ( dx2 > gr_screen.clip_right ) { dx2 = gr_screen.clip_right; }
if ( dy2 > gr_screen.clip_bottom ) { dy2 = gr_screen.clip_bottom; }
if ( sx < 0 ) {
dx1 -= sx;
sx = 0;
reclip = 1;
}
if ( sy < 0 ) {
dy1 -= sy;
sy = 0;
reclip = 1;
}
w = dx2-dx1+1;
h = dy2-dy1+1;
if ( sx + w > bw ) {
w = bw - sx;
dx2 = dx1 + w - 1;
}
if ( sy + h > bh ) {
h = bh - sy;
dy2 = dy1 + h - 1;
}
if ( w < 1 ) return; // clipped away!
if ( h < 1 ) return; // clipped away!
} while (reclip);
// Make sure clipping algorithm works
#ifndef NDEBUG
Assert( w > 0 );
Assert( h > 0 );
Assert( w == (dx2-dx1+1) );
Assert( h == (dy2-dy1+1) );
Assert( sx >= 0 );
Assert( sy >= 0 );
Assert( sx+w <= bw );
Assert( sy+h <= bh );
Assert( dx2 >= dx1 );
Assert( dy2 >= dy1 );
Assert( (dx1 >= gr_screen.clip_left ) && (dx1 <= gr_screen.clip_right) );
Assert( (dx2 >= gr_screen.clip_left ) && (dx2 <= gr_screen.clip_right) );
Assert( (dy1 >= gr_screen.clip_top ) && (dy1 <= gr_screen.clip_bottom) );
Assert( (dy2 >= gr_screen.clip_top ) && (dy2 <= gr_screen.clip_bottom) );
#endif
// We now have dx1,dy1 and dx2,dy2 and sx, sy all set validly within clip regions.
gr_d3d_aabitmap_ex_internal(dx1,dy1,dx2-dx1+1,dy2-dy1+1,sx,sy);
}
void gr_d3d_aabitmap(int x, int y)
{
int w, h;
bm_get_info( gr_screen.current_bitmap, &w, &h, NULL );
int dx1=x, dx2=x+w-1;
int dy1=y, dy2=y+h-1;
int sx=0, sy=0;
if ((dx1 > gr_screen.clip_right ) || (dx2 < gr_screen.clip_left)) return;
if ((dy1 > gr_screen.clip_bottom ) || (dy2 < gr_screen.clip_top)) return;
if ( dx1 < gr_screen.clip_left ) { sx = gr_screen.clip_left-dx1; dx1 = gr_screen.clip_left; }
if ( dy1 < gr_screen.clip_top ) { sy = gr_screen.clip_top-dy1; dy1 = gr_screen.clip_top; }
if ( dx2 > gr_screen.clip_right ) { dx2 = gr_screen.clip_right; }
if ( dy2 > gr_screen.clip_bottom ) { dy2 = gr_screen.clip_bottom; }
if ( sx < 0 ) return;
if ( sy < 0 ) return;
if ( sx >= w ) return;
if ( sy >= h ) return;
// Draw bitmap bm[sx,sy] into (dx1,dy1)-(dx2,dy2)
gr_aabitmap_ex(dx1,dy1,dx2-dx1+1,dy2-dy1+1,sx,sy);
}
void gr_d3d_string( int sx, int sy, char *s )
{
int width, spacing, letter;
int x, y;
if ( !Current_font ) {
return;
}
gr_set_bitmap(Current_font->bitmap_id);
x = sx;
y = sy;
if (sx==0x8000) { //centered
x = get_centered_x(s);
} else {
x = sx;
}
spacing = 0;
while (*s) {
x += spacing;
while (*s== '\n' ) {
s++;
y += Current_font->h;
if (sx==0x8000) { //centered
x = get_centered_x(s);
} else {
x = sx;
}
}
if (*s == 0 ) break;
letter = get_char_width(s[0],s[1],&width,&spacing);
s++;
//not in font, draw as space
if (letter<0) {
continue;
}
int xd, yd, xc, yc;
int wc, hc;
// Check if this character is totally clipped
if ( x + width < gr_screen.clip_left ) continue;
if ( y + Current_font->h < gr_screen.clip_top ) continue;
if ( x > gr_screen.clip_right ) continue;
if ( y > gr_screen.clip_bottom ) continue;
xd = yd = 0;
if ( x < gr_screen.clip_left ) xd = gr_screen.clip_left - x;
if ( y < gr_screen.clip_top ) yd = gr_screen.clip_top - y;
xc = x+xd;
yc = y+yd;
wc = width - xd; hc = Current_font->h - yd;
if ( xc + wc > gr_screen.clip_right ) wc = gr_screen.clip_right - xc;
if ( yc + hc > gr_screen.clip_bottom ) hc = gr_screen.clip_bottom - yc;
if ( wc < 1 ) continue;
if ( hc < 1 ) continue;
font_char *ch;
ch = &Current_font->char_data[letter];
int u = Current_font->bm_u[letter];
int v = Current_font->bm_v[letter];
gr_d3d_aabitmap_ex_internal( xc, yc, wc, hc, u+xd, v+yd );
}
}
void gr_d3d_rect(int x,int y,int w,int h)
{
gr_d3d_rect_internal(x, y, w, h, gr_screen.current_color.red, gr_screen.current_color.green, gr_screen.current_color.blue, gr_screen.current_color.alpha);
}
void gr_d3d_flash(int r, int g, int b)
{
CAP(r,0,255);
CAP(g,0,255);
CAP(b,0,255);
if ( r || g || b ) {
uint color;
if ( lpDevDesc->dpcTriCaps.dwDestBlendCaps & D3DPBLENDCAPS_ONE ) {
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_ALPHA_ADDITIVE, ZBUFFER_TYPE_NONE );
color = RGBA_MAKE(r, g, b, 255);
} else {
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_ALPHA_BLEND_ALPHA, ZBUFFER_TYPE_NONE );
int a = (r+g+b)/3;
color = RGBA_MAKE(r,g,b,a);
}
float x1, x2, y1, y2;
x1 = i2fl(gr_screen.clip_left+gr_screen.offset_x);
y1 = i2fl(gr_screen.clip_top+gr_screen.offset_y);
x2 = i2fl(gr_screen.clip_right+gr_screen.offset_x);
y2 = i2fl(gr_screen.clip_bottom+gr_screen.offset_y);
LPD3DTLVERTEX src_v;
D3DTLVERTEX d3d_verts[4];
src_v = d3d_verts;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x1;
src_v->sy = y1;
src_v++;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x2;
src_v->sy = y1;
src_v++;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x2;
src_v->sy = y2;
src_v++;
src_v->sz = 0.99f;
src_v->rhw = 1.0f;
src_v->color = color;
src_v->specular = 0;
src_v->sx = x1;
src_v->sy = y2;
d3d_DrawPrimitive(D3DPT_TRIANGLEFAN,D3DVT_TLVERTEX,(LPVOID)d3d_verts,4,NULL);
}
}
void gr_d3d_create_shader(shader * shade, float r, float g, float b, float c )
{
shade->screen_sig = gr_screen.signature;
shade->r = r;
shade->g = g;
shade->b = b;
shade->c = c;
}
void gr_d3d_set_shader( shader * shade )
{
if ( shade ) {
if (shade->screen_sig != gr_screen.signature) {
gr_create_shader( shade, shade->r, shade->g, shade->b, shade->c );
}
gr_screen.current_shader = *shade;
} else {
gr_create_shader( &gr_screen.current_shader, 0.0f, 0.0f, 0.0f, 0.0f );
}
}
void gr_d3d_shade(int x,int y,int w,int h)
{
int r,g,b,a;
float shade1 = 1.0f;
float shade2 = 6.0f;
r = fl2i(gr_screen.current_shader.r*255.0f*shade1);
if ( r < 0 ) r = 0; else if ( r > 255 ) r = 255;
g = fl2i(gr_screen.current_shader.g*255.0f*shade1);
if ( g < 0 ) g = 0; else if ( g > 255 ) g = 255;
b = fl2i(gr_screen.current_shader.b*255.0f*shade1);
if ( b < 0 ) b = 0; else if ( b > 255 ) b = 255;
a = fl2i(gr_screen.current_shader.c*255.0f*shade2);
if ( a < 0 ) a = 0; else if ( a > 255 ) a = 255;
gr_d3d_rect_internal(x, y, w, h, r, g, b, a);
}
void gr_d3d_circle( int xc, int yc, int d )
{
int p,x, y, r;
r = d/2;
p=3-d;
x=0;
y=r;
// Big clip
if ( (xc+r) < gr_screen.clip_left ) return;
if ( (xc-r) > gr_screen.clip_right ) return;
if ( (yc+r) < gr_screen.clip_top ) return;
if ( (yc-r) > gr_screen.clip_bottom ) return;
while(x<y) {
// Draw the first octant
gr_d3d_line( xc-y, yc-x, xc+y, yc-x );
gr_d3d_line( xc-y, yc+x, xc+y, yc+x );
if (p<0)
p=p+(x<<2)+6;
else {
// Draw the second octant
gr_d3d_line( xc-x, yc-y, xc+x, yc-y );
gr_d3d_line( xc-x, yc+y, xc+x, yc+y );
p=p+((x-y)<<2)+10;
y--;
}
x++;
}
if(x==y) {
gr_d3d_line( xc-x, yc-y, xc+x, yc-y );
gr_d3d_line( xc-x, yc+y, xc+x, yc+y );
}
return;
}
void gr_d3d_line(int x1,int y1,int x2,int y2)
{
int clipped = 0, swapped=0;
DWORD color;
// Set up Render State - flat shading - alpha blending
if ( (lpDevDesc->dpcLineCaps.dwSrcBlendCaps & D3DPBLENDCAPS_SRCALPHA) && (lpDevDesc->dpcLineCaps.dwDestBlendCaps & D3DPBLENDCAPS_INVSRCALPHA) ) {
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_ALPHA_BLEND_ALPHA, ZBUFFER_TYPE_NONE );
color = RGBA_MAKE(gr_screen.current_color.red, gr_screen.current_color.green, gr_screen.current_color.blue, gr_screen.current_color.alpha );
} else {
// Matrox MGA-G200 doesn't support alpha-blended lines.
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_NONE, ZBUFFER_TYPE_NONE );
int r = (gr_screen.current_color.red*gr_screen.current_color.alpha)/255;
int g = (gr_screen.current_color.green*gr_screen.current_color.alpha)/255;
int b = (gr_screen.current_color.blue*gr_screen.current_color.alpha)/255;
color = RGBA_MAKE(r,g,b, 255 );
}
INT_CLIPLINE(x1,y1,x2,y2,gr_screen.clip_left,gr_screen.clip_top,gr_screen.clip_right,gr_screen.clip_bottom,return,clipped=1,swapped=1);
D3DTLVERTEX d3d_verts[2];
D3DTLVERTEX *a = d3d_verts;
D3DTLVERTEX *b = d3d_verts+1;
d3d_make_rect(a,b,x1,y1,x2,y2);
a->color = color;
b->color = color;
d3d_DrawPrimitive(D3DPT_LINELIST,D3DVT_TLVERTEX,(LPVOID)d3d_verts,2,NULL);
}
void gr_d3d_aaline(vertex *v1, vertex *v2)
{
gr_d3d_line( fl2i(v1->sx), fl2i(v1->sy), fl2i(v2->sx), fl2i(v2->sy) );
}
void gr_d3d_gradient(int x1,int y1,int x2,int y2)
{
int clipped = 0, swapped=0;
if ( !gr_screen.current_color.is_alphacolor ) {
gr_line( x1, y1, x2, y2 );
return;
}
INT_CLIPLINE(x1,y1,x2,y2,gr_screen.clip_left,gr_screen.clip_top,gr_screen.clip_right,gr_screen.clip_bottom,return,clipped=1,swapped=1);
uint color1, color2;
// Set up Render State - flat shading - alpha blending
if ( (lpDevDesc->dpcLineCaps.dwSrcBlendCaps & D3DPBLENDCAPS_SRCALPHA) && (lpDevDesc->dpcLineCaps.dwDestBlendCaps & D3DPBLENDCAPS_INVSRCALPHA) ) {
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_ALPHA_BLEND_ALPHA, ZBUFFER_TYPE_NONE );
if (lpDevDesc->dpcLineCaps.dwShadeCaps & D3DPSHADECAPS_ALPHAGOURAUDBLEND ) {
color1 = RGBA_MAKE(gr_screen.current_color.red, gr_screen.current_color.green, gr_screen.current_color.blue, gr_screen.current_color.alpha );
color2 = RGBA_MAKE(gr_screen.current_color.red, gr_screen.current_color.green, gr_screen.current_color.blue, 0 );
} else if (lpDevDesc->dpcLineCaps.dwShadeCaps & D3DPSHADECAPS_COLORGOURAUDRGB ) {
color1 = RGBA_MAKE(gr_screen.current_color.red,gr_screen.current_color.green,gr_screen.current_color.blue,gr_screen.current_color.alpha);
color2 = RGBA_MAKE(0,0,0,gr_screen.current_color.alpha);
} else {
color1 = RGBA_MAKE(gr_screen.current_color.red,gr_screen.current_color.green,gr_screen.current_color.blue,gr_screen.current_color.alpha);
color2 = RGBA_MAKE(gr_screen.current_color.red,gr_screen.current_color.green,gr_screen.current_color.blue,gr_screen.current_color.alpha);
}
} else {
// Matrox MGA-G200 doesn't support alpha-blended lines.
gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_NONE, ZBUFFER_TYPE_NONE );
int r = (gr_screen.current_color.red*gr_screen.current_color.alpha)/255;
int g = (gr_screen.current_color.green*gr_screen.current_color.alpha)/255;
int b = (gr_screen.current_color.blue*gr_screen.current_color.alpha)/255;
if (lpDevDesc->dpcLineCaps.dwShadeCaps & D3DPSHADECAPS_COLORGOURAUDRGB ) {
color1 = RGBA_MAKE(r,g,b, 255 );
color2 = RGBA_MAKE(0,0,0, 255 );
} else {
color1 = RGBA_MAKE(r,g,b, 255 );
color2 = RGBA_MAKE(r,g,b, 255 );
}
}
// gr_d3d_set_state( TEXTURE_SOURCE_NONE, ALPHA_BLEND_NONE, ZBUFFER_TYPE_NONE );
// color1 = RGBA_MAKE(gr_screen.current_color.red,gr_screen.current_color.green,gr_screen.current_color.blue,255);
// color2 = RGBA_MAKE(gr_screen.current_color.red,gr_screen.current_color.green,gr_screen.current_color.blue,255);
D3DTLVERTEX d3d_verts[2];
D3DTLVERTEX *a = d3d_verts;
D3DTLVERTEX *b = d3d_verts+1;
d3d_make_rect( a, b, x1, y1, x2, y2 );
if ( swapped ) {
b->color = color1;
a->color = color2;
} else {
a->color = color1;
b->color = color2;
}
d3d_DrawPrimitive(D3DPT_LINELIST,D3DVT_TLVERTEX,(LPVOID)d3d_verts,2,NULL);
}
void gr_d3d_set_palette(ubyte *new_palette, int restrict_alphacolor)
{
}
// copy from one pixel buffer to another
//
// from pointer to source buffer
// to pointer to dest. buffet
// pixels number of pixels to copy
// fromsize source pixel size
// tosize dest. pixel size
static int tga_copy_data(char *to, char *from, int pixels, int fromsize, int tosize)
{
if ( (fromsize == 2) && (tosize == 3) ) {
ushort *src = (ushort *)from;
ubyte *dst = (ubyte *)to;
int i;
for (i=0; i<pixels; i++ ) {
ushort pixel = *src++;
*dst++ = ubyte(((pixel & Gr_blue.mask)>>Gr_blue.shift)*Gr_blue.scale);
*dst++ = ubyte(((pixel & Gr_green.mask)>>Gr_green.shift)*Gr_green.scale);
*dst++ = ubyte(((pixel & Gr_red.mask)>>Gr_red.shift)*Gr_red.scale);
}
return tosize*pixels;
} else if( (fromsize == 4) && (tosize == 3) ){
uint *src = (uint *)from;
ubyte *dst = (ubyte *)to;
int i;
for (i=0; i<pixels; i++ ) {
uint pixel = *src++;
*dst++ = ubyte(((pixel & Gr_blue.mask)>>Gr_blue.shift)*Gr_blue.scale);
*dst++ = ubyte(((pixel & Gr_green.mask)>>Gr_green.shift)*Gr_green.scale);
*dst++ = ubyte(((pixel & Gr_red.mask)>>Gr_red.shift)*Gr_red.scale);
}
return tosize*pixels;
} else {
Int3();
return tosize*pixels;
}
}
//
// tga_pixels_equal -- Test if two pixels are identical
//
// Returns:
// 0 if No Match
// 1 if Match
static int tga_pixels_equal(char *pix1, char *pix2, int pixbytes)
{
do {
if ( *pix1++ != *pix2++ ) {
return 0;
}
} while ( --pixbytes > 0 );
return 1;
}
// tga_compress - Do the Run Length Compression
//
// Usage:
// out Buffer to write it out to
// in Buffer to compress
// bytecount Number of bytes input
// pixsize Number of bytes in input pixel
// outsize Number of bytes in output buffer
static int tga_compress(char *out, char *in, int bytecount, int pixsize )
{
#define outsize 3
int pixcount; // number of pixels in the current packet
char *inputpixel=NULL; // current input pixel position
char *matchpixel=NULL; // pixel value to match for a run
char *flagbyte=NULL; // location of last flag byte to set
int rlcount; // current count in r.l. string
int rlthresh; // minimum valid run length
char *copyloc; // location to begin copying at
// set the threshold -- the minimum valid run length
#if outsize == 1
rlthresh = 2; // for 8bpp, require a 2 pixel span before rle'ing
#else
rlthresh = 1;
#endif
// set the first pixel up
flagbyte = out; // place to put next flag if run
inputpixel = in;
pixcount = 1;
rlcount = 0;
copyloc = (char *)0;
// loop till data processing complete
do {
// if we have accumulated a 128-byte packet, process it
if ( pixcount == 129 ) {
*flagbyte = 127;
// set the run flag if this is a run
if ( rlcount >= rlthresh ) {
*flagbyte |= 0x80;
pixcount = 2;
}
// copy the data into place
++flagbyte;
flagbyte += tga_copy_data(flagbyte, copyloc, pixcount-1, pixsize, outsize);
pixcount = 1;
// set up for next packet
continue;
}
// if zeroth byte, handle as special case
if ( pixcount == 1 ) {
rlcount = 0;
copyloc = inputpixel; /* point to 1st guy in packet */
matchpixel = inputpixel; /* set pointer to pix to match */
pixcount = 2;
inputpixel += pixsize;
continue;
}
// assembling a packet -- look at next pixel
// current pixel == match pixel?
if ( tga_pixels_equal(inputpixel, matchpixel, outsize) ) {
// establishing a run of enough length to
// save space by doing it
// -- write the non-run length packet
// -- start run-length packet
if ( ++rlcount == rlthresh ) {
// close a non-run packet
if ( pixcount > (rlcount+1) ) {
// write out length and do not set run flag
*flagbyte++ = (char)(pixcount - 2 - rlthresh);
flagbyte += tga_copy_data(flagbyte, copyloc, (pixcount-1-rlcount), pixsize, outsize);
copyloc = inputpixel;
pixcount = rlcount + 1;
}
}
} else {
// no match -- either break a run or continue without one
// if a run exists break it:
// write the bytes in the string (outsize+1)
// start the next string
if ( rlcount >= rlthresh ) {
*flagbyte++ = (char)(0x80 | rlcount);
flagbyte += tga_copy_data(flagbyte, copyloc, 1, pixsize, outsize);
pixcount = 1;
continue;
} else {
// not a match and currently not a run
// - save the current pixel
// - reset the run-length flag
rlcount = 0;
matchpixel = inputpixel;
}
}
pixcount++;
inputpixel += pixsize;
} while ( inputpixel < (in + bytecount));
// quit this buffer without loosing any data
if ( --pixcount >= 1 ) {
*flagbyte = (char)(pixcount - 1);
if ( rlcount >= rlthresh ) {
*flagbyte |= 0x80;
pixcount = 1;
}
// copy the data into place
++flagbyte;
flagbyte += tga_copy_data(flagbyte, copyloc, pixcount, pixsize, outsize);
}
return(flagbyte-out);
}
void gr_d3d_print_screen(char *filename)
{
HRESULT ddrval;
DDSURFACEDESC ddsd;
ubyte outrow[1024*3*4];
if ( gr_screen.max_w > 1024 ) {
mprintf(( "Screen too wide for print_screen\n" ));
return;
}
memset( &ddsd, 0, sizeof( ddsd ) );
ddsd.dwSize = sizeof( ddsd );
ddrval = lpBackBuffer->Lock( NULL, &ddsd, DDLOCK_WAIT, NULL );
if ( ddrval != DD_OK ) {
mprintf(( "Error locking surface for print_screen, %s\n", d3d_error_string(ddrval) ));
}
ubyte *dptr = (ubyte *)ddsd.lpSurface;
char tmp[1024];
strcpy( tmp, NOX(".\\")); // specify a path mean files goes in root
strcat( tmp, filename );
strcat( tmp, NOX(".tga"));
CFILE *f = cfopen(tmp, "wb");
// Write the TGA header
cfwrite_ubyte( 0, f ); // IDLength;
cfwrite_ubyte( 0, f ); // ColorMapType;
cfwrite_ubyte( 10, f ); // ImageType; // 2 = 24bpp, uncompressed, 10=24bpp rle compressed
cfwrite_ushort( 0, f ); // CMapStart;
cfwrite_ushort( 0, f ); // CMapLength;
cfwrite_ubyte( 0, f ); // CMapDepth;
cfwrite_ushort( 0, f ); // XOffset;
cfwrite_ushort( 0, f ); // YOffset;
cfwrite_ushort( (ushort)gr_screen.max_w, f ); // Width;
cfwrite_ushort( (ushort)gr_screen.max_h, f ); // Height;
cfwrite_ubyte( 24, f ); //PixelDepth;
cfwrite_ubyte( 0, f ); //ImageDesc;
// Go through and read our pixels
int i;
for (i=0;i<gr_screen.max_h;i++) {
int len = tga_compress( (char *)outrow, (char *)&dptr[(gr_screen.max_h-i-1)*ddsd.lPitch], gr_screen.max_w * gr_screen.bytes_per_pixel, gr_screen.bytes_per_pixel );
cfwrite(outrow, len, 1, f);
}
cfclose(f);
// Unlock the back buffer
lpBackBuffer->Unlock( NULL );
}
void d3d_render_timer_bar(int colour, float x, float y, float w, float h)
{
static D3DCOLOR pre_set_colours[TIMERBAR_COLOUR_MAX] =
{
0xffff0000, // red
0xff00ff00, // green
0xff0000ff, // blue
};
D3DTLVERTEX d3d_verts[4];
static float max_fw = (float) gr_screen.max_w;
static float max_fh = (float) gr_screen.max_h;
d3d_verts[0].rhw = 1;
d3d_verts[0].color = pre_set_colours[colour];
d3d_verts[0].sx = max_fw * x;
d3d_verts[0].sy = max_fh * y;
d3d_verts[1].rhw = 1;
d3d_verts[1].color = pre_set_colours[colour];
d3d_verts[1].sx = max_fw * (x + w);
d3d_verts[1].sy = max_fh * y;
d3d_verts[2].rhw = 1;
d3d_verts[2].color = pre_set_colours[colour];
d3d_verts[2].sx = max_fw * (x + w);
d3d_verts[2].sy = max_fh * (y + h);
d3d_verts[3].rhw = 1;
d3d_verts[3].color = pre_set_colours[colour];
d3d_verts[3].sx = max_fw * x;
d3d_verts[3].sy = max_fh * (y + h);
gr_d3d_set_state(TEXTURE_SOURCE_NONE, ALPHA_BLEND_NONE, ZBUFFER_TYPE_NONE);
d3d_DrawPrimitive(D3DPT_TRIANGLEFAN,D3DVT_TLVERTEX,(LPVOID)d3d_verts,4,NULL);
}
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