opengl-gamedev-l : Messages : 23223-23252 of 23867

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23223	WHERE TO FIND OPENGL INFORMATION - (Bi-weekly posting) The Official OpenGL Site - News, downloads, tutorials, books & links:- http://www.opengl.org/ The...	Dominic Curran dcurran@...	Nov 1, 2003 9:22 am
23224	Hi, I want to buy a new video card and wonder if anybody could give me some useful information about the best cards available now. I mean which card best...	Ramin Zaghi ramin_zaghi@...	Nov 3, 2003 7:51 am
23225	www.ati.com <http://www.ati.com/> ATI RADEON 9800 XT ARP-8X 256MB DDR-2 with TV-out/Twin View+DVI, Memory 730Mhz (365Mhz*2) "That is the card you want!" ...	JM jm_1983310@...	Nov 3, 2003 8:07 am
23226	have a look at this article http://www.firingsquad.com/hardware/hl2_performance_preview_part1/ the second page is "FPS per US Dollar" that's pretty helpful ......	Martin Valigursky mvaligursky@...	Nov 3, 2003 8:26 am
23227	Hello! I'm using glReadPixels (yes I know it's slow), and I just did some tests, with surprising results! 1 call reading 400x400 pixels is much slower than 4...	Lev Povalahev levp@...	Nov 12, 2003 9:28 am
23228	"Problem" solved, my test was not very good, now everything behaves like it should. -Lev LP> Hello! LP> I'm using glReadPixels (yes I know it's slow), and I...	Lev Povalahev levp@...	Nov 12, 2003 9:57 am
23229	WHERE TO FIND OPENGL INFORMATION - (Bi-weekly posting) The Official OpenGL Site - News, downloads, tutorials, books & links:- http://www.opengl.org/ The...	Dominic Curran dcurran@...	Nov 15, 2003 9:22 am
23230	Hi there I did read somewhere that VBOs could improve performance even for dynamic data. But imagine that i perform software skinning each frame(so i change...	CAVEY GERARD GERARD.CAVEY@...	Nov 17, 2003 3:33 pm
23231	... Without VBOs, the application has to store the vertex data in system memory. When you call glDrawElements, the driver copies this data to AGP memory (this...	Andras Balogh bnd@...	Nov 17, 2003 6:22 pm
23232	Hi, I am trying to translate a dot 3 bumpmapping fixed pipe configuration into vertex and fragment programs. Unfortunately I cannot get the vertex/fragment ...	Pascal Gane sauronpg@...	Nov 24, 2003 6:43 pm
23233	... Hi, ... [...] ... Hmm, this is not an exact 'translation'. What about the difference between R0.xzyx and GL_OPERAND0_RGB_ARB/GL_SRC_COLOR? [R0.xyzx !=...	Petr Sebor petr@...	Nov 25, 2003 12:42 am
23234	Yes. I guess there is a dfference here. The dot3 setup normalises the light vector when put into the color of the vertex so the light vector coordinates are...	Pascal Gane sauronpg@...	Nov 25, 2003 3:43 am
23235	... To: "Multiple recipients of list OPENGL-GAMEDEV-L" <OPENGL-GAMEDEV-L@...> Sent: Tuesday, November 25, 2003 4:39 AM ... light ... coordinates ... ...	Jonas Meyer meyer@...	Nov 25, 2003 8:06 am
23236	Oops, Of course MAD t, v, 0.5, 0.5; is what you want to do when packing(vp) MAD t, v, 2, -1; is what you want to do when unpacking(fp) ... To: "Multiple...	Jonas Meyer meyer@...	Nov 25, 2003 8:07 am
23237	That's what I am doing now and still the lighting effect is wrong. I don't get it. Are those operations : glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,...	Pascal Gane sauronpg@...	Nov 25, 2003 11:02 am
23238	No, they aren't! In the ARB_texture_env_dot3 paper there the GL_DOT3_RGB_ARB operation is defined as: Added to table 3.20 of the ARB_texture_env_combine spec: ...	Florian Rudolf corrail@...	Nov 25, 2003 11:27 am
23239	Not sure I understand the swizzle you put on the R0 register. You have something like R = X G = Y B = Z A = W so to 'translate' in color terms your DP3...	Vlad Stamate vlad.stamate@...	Nov 25, 2003 11:32 am
23240	Thanks everybody for pointing me in the right direction. I just found out from the NVidia Cg book that I forgot to expand the texture color as well. D'Oh! ...	Pascal Gane sauronpg@...	Nov 25, 2003 11:52 am
23241	The funny swizzles come from the Cg compiler. I just left it as it was. Pascal. ... Vlad Stamate Sent: 25 November 2003 11:29 To: Multiple recipients of list...	Pascal Gane sauronpg@...	Nov 25, 2003 11:54 am
23242	Hi all, I've once heard that when using OpenGL display lists, the size of the display list is important because too large display lists are supposently...	Roland Krause rokrau@...	Nov 25, 2003 8:37 pm
23243	I think 4000 vertices on nVidia GF3 was the optimal the libGL JG ... FAQ and OpenGL Resources at: http://www.geocities.com/SiliconValley/Hills/9956/OpenGL -- ...	J. Grant jg-lists@...	Nov 26, 2003 12:52 am
23244	Hi there, I have a BIG question which is very easy to answer. Would anyone consider using a common graphics API, thin layered between the choice of GL and DX ?...	JM jm_1983310@...	Nov 26, 2003 9:07 am
23245	test ... Grant Sent: 26 November 2003 02:49 AM To: Multiple recipients of list OPENGL-GAMEDEV-L I think 4000 vertices on nVidia GF3 was the optimal the libGL ...	JM jm_1983310@...	Nov 26, 2003 9:13 am
23246	Hi there How do you determine the profile of the machine (class of gpu) you are running on? My objective is mainly to determine what version of a given vertex...	CAVEY GERARD GERARD.CAVEY@...	Nov 28, 2003 10:17 am
23247	I think that for vertex programs it doesn't really matter what version you use so long as the instructions have equivalents in "native" versions. ie. an arb_vp...	Madoc Evans tmadoc@...	Nov 28, 2003 4:04 pm
23248	You could just check what card it is from the renderer string. You know if its lower than GF3 or a GF4MX its' gonna be software emulated vertex programs, or...	Richard Nutman RichardN@...	Nov 28, 2003 4:17 pm
23249	yea that s what i was speaking about when i told there was a ugly hack isn t it surprising gpu has no function to identify their generations ? a function we...	CAVEY GERARD GERARD.CAVEY@...	Nov 28, 2003 4:32 pm
23250	... Try glGetString with GL_VENDOR as the parameter. In the Redbook there is a really good example of how to use it to geta pointer to a sprintfable string. ...	Chris Pilkington pilch84@...	Nov 30, 2003 10:12 pm
23251	WHERE TO FIND OPENGL INFORMATION - (Bi-weekly posting) The Official OpenGL Site - News, downloads, tutorials, books & links:- http://www.opengl.org/ The...	Dominic Curran dcurran@...	Dec 1, 2003 9:22 am
23252	Surely just checking for the extensions required would tell you enough about the GPU to be able to decide what pathway you could use, wouldn't it? You decide...	Scott Southurst Scott@...	Dec 1, 2003 9:58 am

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