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DESCRIPTION
The ultimate Warp3D & Nova testing tool (now for Aros & AmigaOS4 ppc)
It draw a textured cow object then draw upside a quad with a cosmos texture
Compiled with GCC. Use Warp3D library (needed) or Warp3DNova.library (optionnal)
Also demonstrate how to code efficiently Warp3D or Nova for OS3 or OS4
If Warp3D & Nova was too difficult for you this example will change your mind
French: Le prog ultime pour tester Warp3D ou Nova en traçant une vache 3D
texturee
puis trace par dessus un rectangle a texture de cosmos
Compile avec GCC. Bibliotheque Warp3D necessaire
Montre comment programmer efficacement Warp3D & Nova pour OS3 ou OS4
Si Warp3D & Nova etait trop complique pour toi Tu changera d'avis avec cet
exemple
v3.0 Sept 2011: Draw FPS correctly on Aros too. Now works with Wazp3D using
"hard overlay"
v4.0 March 2012: Try to use W3D_InterleavedArray() on OS4
v5.0 Sept 2012: Use W3D_DrawElement() on OS4 ==> faster
v6.0 Oct 2016:
Let the cow turn more before computing FPS
Now can also use Nova as renderer and test Nova (type "Cow3D6 n")
Please note that Cow3D is a very simple program that draw simply a cow
without lighting/clipping/perspective so in the better conditions for the simple
Warp3D.
Therefore the speed difference Nova/Warp3D is not so important in this Cow3D
special case.
SAM460: Nova 457 FPS Warp3D 138 FPS so around X3.3
LICENSE
GNU General Public License (GNU GPL)
Author: Alain THELLIER - Paris - FRANCE - 2016
INSTALLATION
Install Warp3D.library or Wazp3D.library
Install Warp3DNova (optionnal)
Copy Cow3D-Amiga and the textures Cow_256X256X32.RAW & Cosmos_256X256X32.RAW
where you want
USAGE
This program is used to test Nova/Warp3D speed, states, functionnalities &
zbuffer
Can also serve to test Nova when lauched with ""Cow3D6 n" or via given icon
Better speed results are obtained with keys 'o' 'e' 'b' and srcfunc=1 dstfunc=0
(Warp3D only dont concern Nova)
It print all the possible informations for your Nova/Warp3D driver(s)
It draw a textured cow object then draw upside a quad with a cosmos texture
So you can check if a given 3d-driver can really do a feature
OPTIONS KEYS
'f' display frame per seconds and infos on screen
ANIMATION & SPEED:
-----------------------------------------------------
'o' use an optimized rotation function (faster) (default) (Warp3D only dont
concern Nova)
'r' rotate object or not
'b' Allocate a big points-buffer. Compute & store the objects for each frame.
Then use the buffered objects
No more computation = faster . Only the 3d-hardware is used.
WARNING: this options use lots of memory (around 5 MB) (Warp3D only dont
concern Nova)
ZBUFFER:
-----------------------------------------------------
'z' use zbuffer (default yes)
'u' update zbuffer (default yes) (need to use zbuffer)
'1' to '8' change zbuffer test (default 2 = Z_LESS)
'Z' zbuffer tests
draw some test-rectangles & zspans
Zbuffer is cleared with z=0.90 so depending on zmode/zupdate the 7 quads,dotted
line or line should appear
1) write a zspan in zbuffer at z=0.9 (with mask 1 pixel,show 1 pixel) but on
the the test-rectangles use same z values as the rectangles
2) write a zspan in zbuffer at z=0.5 in the midle of the test-rectangles
3) write a zspan in zbuffer from z=0.01 to 0.99
4) draw 7 quads as various depth with various colors (z values =
0.10,0.20,0.30,0.40,0.90,0.94,0.98}
5) draw 7 quads at the same depth = sticked to the face = appears if use a z
equal zmode
WARNING: 1 to 3 dont works on most drivers. Nova unimplemented
'g' grey = read the zbuffer as grey values
WARNING: this options dont works on most drivers
if fail draw as red. Nova unimplemented
DRAW METHOD:
-----------------------------------------------------
't' triangle - draw with W3D_DrawTriangle() = slower . For Nova same as 'e'
'e' elements - draw with W3D_DrawElements() = faster (default)
'p' points - draw as points with W3D_DrawPoint() = slow
WARNING: this options dont works some drivers
'l' lines - draw as lines with W3D_DrawLineLoop() = slow
WARNING: this options dont works some drivers & Nova
'0' zero - draw as big points/lines (use it with 'l' or 'p') = very slow
WARNING: this options dont works on some drivers & Nova
OTHERS:
-----------------------------------------------------
'c' use colors not texture (default no). Nova unimplemented
'h' hide back faces (=culling) (default yes)
WARNING: this options dont works with some drivers
DRAW TESTS:
-----------------------------------------------------
'P' point test : draw a small/big point & draw a small/big line (use it also
with 'c')
WARNING: this options dont works on some drivers. Nova unimplemented
'L' line test : same as 'P'. Nova unimplemented
PATCHES:
-----------------------------------------------------
'w' warp3d is patched (default no)
Reimplement the functions for drawing lines/points (but dont change
W3D_Drawelements() nor W3D_Drawarray())
Implement Read/WriteZspan/Zpixel() but this dont works on most drivers
WARNING: this options dont works on most drivers. Dont concern Nova
BLENDING & TEXENV:
-----------------------------------------------------
's' change srcfunc
'd' change dstfunc
'S' or 'D' change both srcfunc & dstfunc (so typing 'D' 255 times show all
possible effects)
then do W3D_SetBlendMode(context,srcfunc,dstfunc);
default is srcfunc=1 dstfunc=1
For srcfunc=1 dstfunc=0 dont display the cosmos quad so the cow is still visible
Just remember:
src is cosmos-quad
dst is cow-object & background
'm' change texenvmode
then call W3D_SetTexEnv() with this texenvmode for the 2 textures
envcolor for tex1 is green
envcolor for tex2 is blue
Nova implementation via shaders is not 100% perfect
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Contents of dev/src/Cow3D.lhaPERMISSION UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[unknown] 3662 6425 57.0% -lh5- 9e9c Oct 31 2016 Cow3D6.info
[unknown] 260 758 34.3% -lh5- dcd6 Oct 21 2016 Cow3D6/build.sh
[unknown] 2548 5504 46.3% -lh5- b84f Oct 21 2016 Cow3D6/build.sh.info
[unknown] 179336 262144 68.4% -lh5- 7846 Aug 4 2011 Cow3D6/Cosmos_256X256X32.RAW
[unknown] 2541 6005 42.3% -lh5- 5789 Oct 21 2016 Cow3D6/Cow3D.readme
[unknown] 3661 5815 63.0% -lh5- 106c Oct 21 2016 Cow3D6/Cow3D.readme.info
[unknown] 101456 181524 55.9% -lh5- f1b6 Oct 21 2016 Cow3D6/CoW3D6-os3
[unknown] 2094 4712 44.4% -lh5- c9d0 Oct 21 2016 Cow3D6/CoW3D6-os3.info
[unknown] 153248 319506 48.0% -lh5- 6d3d Oct 24 2016 Cow3D6/CoW3D6-os4
[unknown] 18 18 100.0% -lh0- 807f Oct 6 2016 Cow3D6/Cow3D6-os4-Nova
[unknown] 2549 5504 46.3% -lh5- 0e93 Oct 21 2016 Cow3D6/Cow3D6-os4-Nova.info
[unknown] 2087 4703 44.4% -lh5- b4c3 Oct 21 2016 Cow3D6/CoW3D6-os4.info
[unknown] 17305 66576 26.0% -lh5- 8412 Oct 21 2016 Cow3D6/CoW3D6.c
[unknown] 7882 30397 25.9% -lh5- cac2 Oct 24 2016 Cow3D6/Cow3D_Nova.h
[unknown] 89530 304103 29.4% -lh5- fb87 Oct 7 2016 Cow3D6/Cow3D_Object.h
[unknown] 107606 262144 41.0% -lh5- 48f6 Aug 4 2011 Cow3D6/Cow_256X256X32.RAW
[unknown] 1417 4975 28.5% -lh5- e1d2 Feb 1 2007 Cow3D6/cybergraphics.h
[unknown] 3611 11933 30.3% -lh5- 69d8 Feb 11 2016 Cow3D6/gfx.h
[unknown] 3147 11660 27.0% -lh5- 71f7 Nov 27 2015 Cow3D6/kazmath/mat3.c
[unknown] 1278 3887 32.9% -lh5- eba3 Nov 27 2015 Cow3D6/kazmath/mat3.h
[unknown] 5212 23566 22.1% -lh5- 0770 Nov 27 2015 Cow3D6/kazmath/mat4.c
[unknown] 1412 4173 33.8% -lh5- 661c Nov 27 2015 Cow3D6/kazmath/mat4.h
[unknown] 2676 7331 36.5% -lh5- a946 Nov 27 2015 Cow3D6/kazmath/plane.c
[unknown] 1244 3192 39.0% -lh5- 101d Nov 27 2015 Cow3D6/kazmath/plane.h
[unknown] 4612 16002 28.8% -lh5- 3040 Nov 27 2015 Cow3D6/kazmath/quaternion.c
[unknown] 1555 5150 30.2% -lh5- 2122 Nov 27 2015 Cow3D6/kazmath/quaternion.h
[unknown] 1023 2235 45.8% -lh5- ff69 Nov 27 2015 Cow3D6/kazmath/utility.c
[unknown] 1163 2776 41.9% -lh5- 7917 Nov 27 2015 Cow3D6/kazmath/utility.h
[unknown] 2316 6689 34.6% -lh5- 531e Nov 27 2015 Cow3D6/kazmath/vec2.c
[unknown] 1580 4264 37.1% -lh5- fc40 Nov 27 2015 Cow3D6/kazmath/vec2.h
[unknown] 3523 11822 29.8% -lh5- 5094 Nov 27 2015 Cow3D6/kazmath/vec3.c
[unknown] 1639 4831 33.9% -lh5- 66c6 Nov 27 2015 Cow3D6/kazmath/vec3.h
[unknown] 2118 6377 33.2% -lh5- 31ea Nov 27 2015 Cow3D6/kazmath/vec4.c
[unknown] 1205 3053 39.5% -lh5- 108a Nov 27 2015 Cow3D6/kazmath/vec4.h
[unknown] 2596 12488 20.8% -lh5- a07b Oct 4 2016 Cow3D6/patches_for_Warp3D.h
[unknown] 174 850 20.5% -lh5- de34 Oct 18 2016 Cow3D6/shaders/build.sh
[unknown] 2553 5504 46.4% -lh5- a116 Oct 3 2016 Cow3D6/shaders/build.sh.info
[unknown] 165 262 63.0% -lh5- 4fed Oct 10 2016 Cow3D6/shaders/GL_BLEND.frag
[unknown] 490 1216 40.3% -lh5- 34dc Oct 21 2016 Cow3D6/shaders/GL_BLEND.frag.spv
[unknown] 162 253 64.0% -lh5- 4ba4 Oct 21 2016 Cow3D6/shaders/GL_DECAL.frag
[unknown] 478 1160 41.2% -lh5- 4de5 Oct 21 2016 Cow3D6/shaders/GL_DECAL.frag.spv
[unknown] 254 473 53.7% -lh5- 03a6 Oct 21 2016 Cow3D6/shaders/GL_FLAT.vert
[unknown] 483 1076 44.9% -lh5- f8d3 Oct 21 2016 Cow3D6/shaders/GL_FLAT.vert.spv
[unknown] 130 177 73.4% -lh5- 3693 Oct 10 2016 Cow3D6/shaders/GL_MODULATE.frag
[unknown] 310 668 46.4% -lh5- 2325 Oct 21 2016 Cow3D6/shaders/GL_MODULATE.frag.spv
[unknown] 126 168 75.0% -lh5- 49b5 Oct 4 2016 Cow3D6/shaders/GL_REPLACE.frag
[unknown] 298 632 47.2% -lh5- 6207 Oct 21 2016 Cow3D6/shaders/GL_REPLACE.frag.spv
[unknown] 185 338 54.7% -lh5- 04f7 Oct 21 2016 Cow3D6/shaders/GL_UNTRANSFORMED.vert
[unknown] 462 1040 44.4% -lh5- 4e5c Oct 21 2016 Cow3D6/shaders/GL_UNTRANSFORMED.vert.spv
[unknown] 11502 44116 26.1% -lh5- fef0 Feb 11 2016 Cow3D6/Warp3D.h
---------- ----------- ------- ------- ------ ---------- ------------ ----------
Total 50 files 736882 1670175 44.1% Jan 14 2017
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