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Author SHA1 Message Date
Sam Lantinga
02d897e864 We want to be strict on software renderer tests and opaque tests, but give a decent margin for blending inaccuracy for the blended tests. 
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 2009-11-21 07:59:19 +00:00
Sam Lantinga
e957ccc22a Increased tolerance a little bit more for multiple blending passes accumulating error. 
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 2009-11-21 07:46:12 +00:00
Sam Lantinga
e70cbce904 Added comment for pixel-perfect line workaround. 
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 2009-11-21 07:26:52 +00:00
Sam Lantinga
21fb49df82 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. 
If we have to, we can use vertical line and horizontal line textures for vertical and horizontal lines, and then create custom textures for diagonal lines and software render those.  It's terrible, but at least it would be pixel perfect.

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 2009-11-21 07:22:59 +00:00
Sam Lantinga
0c8bb39322 This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines. 
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 2009-11-21 07:14:21 +00:00
Sam Lantinga
b10df318c7 Fixed the coordinates for pixel coverage in blits 
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 2009-11-21 06:34:43 +00:00
Sam Lantinga
e3bfc7307d Use 45 degree lines for the diagonal test to avoid aliasing errors in line drawing. 
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 2009-11-21 06:28:25 +00:00
Sam Lantinga
3110c4d9fb It's not the last pixel, it's the rightmost pixel, or if they're both the same x coordinate, the bottommost pixel. 
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 2009-11-21 06:19:34 +00:00
Mike Gorchak
153a88e1ef RenderReadPixels and RenderWritePixels functions work with back buffer now and all asynchronous operations are flushed before reading or writing to backbuffer. Thanks Sam for clarification of this. 
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 2009-11-21 06:17:50 +00:00
Sam Lantinga
335b459777 My first OpenGL shader! Momma will be so proud! 
This shader implements the software renderer mask semantics where the source pixel is multiplied by the color and alpha modulation values and then any pixel with non-zero alpha is fully opaque.

The OpenGL renderer on Mac OS X now passes all the automated render tests! :)

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 2009-11-21 05:29:31 +00:00
Sam Lantinga
22c1e66180 pixels don't need to be dynamically allocated 
Added a dump_screen() function to assist with test failure diagnosis

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 2009-11-21 05:25:08 +00:00
Sam Lantinga
fc3f393af6 SDL_RenderReadPixels() needs to flush asynchronous operations before it reads. 
The semantics are that it reads the back buffer, and those pixels may not be available once SDL_RenderPresent() has happened.

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 2009-11-21 05:05:19 +00:00
Mike Gorchak
474b543c63 Support for UTF-8 text input has been added. 
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 2009-11-20 14:42:40 +00:00
Mike Gorchak
cb70cb42eb 1. SDL_RenderPresent() call has been added after each test to be sure, that all graphics output is flushed in case if it was asynchronous. 
2. After each renderer test window recreation has been added.

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 2009-11-20 07:11:29 +00:00
Mike Gorchak
4fd1d48088 Output last SDL error in case of test was failed. 
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 2009-11-20 07:08:28 +00:00
Mike Gorchak
3038604a81 RenderReadPixels and RenderWritePixels now work properly. 
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 2009-11-20 07:07:41 +00:00
Mike Gorchak
6e0c12e7f7 Deinitialization fixes, in case if QNXGF driver is not initialized properly. 
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 2009-11-20 07:06:50 +00:00
Mike Gorchak
413e9a6218 Added support for generic getopt() function instead of getopt_long(). Because not all platforms have getopt_long(). 
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 2009-11-19 09:07:09 +00:00
Mike Gorchak
93f91c687b Support for RendererReadPixels and RendererWritePixels has been added to photon renderer. 
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 2009-11-19 08:44:07 +00:00
Sam Lantinga
0c1f40faf7 Mike Gorchak to Sam 
Hello Sam!

You have reverted back my patches for OpenGL renderer :)

To reproduce an issue, compare graphics output while running these tests:

testdraw2 --renderer opengl --blend mask --cyclealpha
and
testdraw2 --renderer software --blend mask --cyclealpha

You will see, that software renderer output is different from opengl renderer output.

Thanks!

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 2009-11-19 08:02:00 +00:00
Sam Lantinga
0f770140c0 Found a way to implement mask semantics in OpenGL 
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 2009-11-19 05:33:41 +00:00
Sam Lantinga
92f130691a Allow some variation in the pixel values to account for blending accuracy differences. 
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 2009-11-19 05:06:01 +00:00
Sam Lantinga
556c82f866 Include the endpoint in the line we're drawing 
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 2009-11-19 04:59:19 +00:00
Sam Lantinga
78855cf981 Adjust the vertices to be over the texel center. 
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 2009-11-19 04:33:35 +00:00
Sam Lantinga
ffed135358 Fixed a bunch of bugs in the blit blend mode tests 
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 2009-11-18 09:39:32 +00:00
Sam Lantinga
ae9dabec32 Use SDL's string and memory functions instead of stdlib 
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 2009-11-18 09:28:35 +00:00
Sam Lantinga
a6bfcda464 Implemented SDL_RenderReadPixels()/SDL_RenderWritePixels() for the dummy renderer. 
This is helpful to validate the automated test suite, since this renderer is super simple and should always pass tests.

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 2009-11-18 09:20:01 +00:00
Sam Lantinga
6e102beb88 Don't add the OpenGL renderers for drivers that don't support OpenGL 
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 2009-11-18 09:17:29 +00:00
Sam Lantinga
50cac453d4 Fixes for the automated rendering test 
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 2009-11-18 09:07:13 +00:00
Sam Lantinga
9e98b7ad9e If we explicitly request a driver, try to initialize it. 
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 2009-11-18 08:54:13 +00:00
Sam Lantinga
a192c6e6bc Fixed GL_RenderReadPixels() - thanks Ryan! 
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 2009-11-18 08:07:37 +00:00
Sam Lantinga
2d9880b962 First pass (untested) at RenderWritePixels() 
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 2009-11-18 07:35:00 +00:00
Sam Lantinga
7f4f3792ce Refactored to use render_loadTestFace() 
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 2009-11-18 07:34:05 +00:00
Sam Lantinga
86dbbd0dd3 Fixed endianness of the face image surface 
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 2009-11-18 07:22:22 +00:00
Sam Lantinga
87442cb483 Trying to figure out why the OpenGL tests are failing... 
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 2009-11-18 06:15:44 +00:00
Sam Lantinga
200856fb2b Compare against the correct image 
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 2009-11-18 06:15:21 +00:00
Sam Lantinga
508336f894 Debug info to help track down render test failures 
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 2009-11-17 06:51:14 +00:00
Sam Lantinga
a3226cf7d3 Added missing return values 
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 2009-11-17 06:50:29 +00:00
Sam Lantinga
c635254fa1 Fixed some bugs in the automated test suite, revealed by working SDL_RenderReadPixels() 
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 2009-11-17 05:17:11 +00:00
Sam Lantinga
82d400ccd4 Scott to slouken 
Heres the wiz patch and additional files. (I think I got everything)

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 2009-11-17 04:53:15 +00:00
Sam Lantinga
f62ed3cb3f Thank you automated tests (and bobbens!), fixed alpha blending for accuracy 
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 2009-11-16 09:47:34 +00:00
Sam Lantinga
209448b796 Fixed memory corruption in SW_RenderReadPixels() 
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 2009-11-16 07:39:08 +00:00
Sam Lantinga
0f620b7fe4 You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() 
This code still doesn't quite work yet. :)

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 2009-11-16 07:13:07 +00:00
Sam Lantinga
ea4fb3a1a4 Added a utility function to convert blocks of pixels 
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 2009-11-15 09:21:46 +00:00
Sam Lantinga
08aadfdc9f Hmm, this isn't going to work, is it? 
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 2009-11-15 08:01:34 +00:00
Sam Lantinga
df2499a35c Work in progress: SDL_RenderReadPixels() should be implemented soon. 
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 2009-11-15 08:01:07 +00:00
Sam Lantinga
960459ec63 Work in progress on OpenGL ReadPixels/WritePixels interface 
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 2009-11-15 04:58:03 +00:00
Sam Lantinga
143563c826 Updated for the new pixel format structure 
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 2009-11-11 06:34:33 +00:00
Sam Lantinga
70f4c52c68 The docs directory doesn't exist anymore 
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 2009-11-11 06:23:19 +00:00
Sam Lantinga
fbaee18c6d Fixed gcc warning 
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 2009-11-09 15:12:31 +00:00