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Premises:
See http://www.glprogramming.com/red/chapter08.html
"If the rectangle in memory is larger than the subrectangle that's being drawn or read,
you need to specify the actual length (measured in pixels) of the larger rectangle with *ROW_LENGTH. "
This equals ROW_LENGTH == SubPicture-Width + 'Dirt', ie the offset to go from one line to the next.
"You also need to specify the number of rows and pixels to skip before starting to copy the data for the subrectangle.
These numbers are set using the parameters *SKIP_ROWS and *SKIP_PIXELS, as shown in Figure 8-9.
By default, both parameters are 0, so you start at the lower-left corner."
This equals to a one time offset _before_ you start copy the data, ie with your DMA engine,
using ROW_LENGTH and HEIGHT only.
Compared to Mesa3D's implementation (proof):
http://cgit.freedesktop.org/mesa/mesa/tree/src/glx/x11/pixelstore.c
Line 78 - 200
PixelStore State Tracker: Store the values in the PixelStore structure.
http://cgit.freedesktop.org/mesa/mesa/tree/src/glx/x11/pixel.c
Line 82 - 155
Line 210: Start position is set one time using SKIP_* values the same way we do.
Line 228: Jump to the first pixel in the newxt row, just using ROW_LENGTH
Line 230: Jump to the first pixel in the next 'image' just using imageSize,
rowsPerImage = IMAGE_HEIGHT>0?IMAGE_HEIGHT:height;
groupsPerRow = ROW_LENGTH>0?ROW_LENGTH:width;
groupSize = elementSize * components;
rowSize = groupsPerRow * groupSize;
imageSize = rowSize * rowsPerImage;
changes:
Removed redundand 'dimension' parameted, which is derived from depth and height,
1D == depth:1 height:1
2D == depth:1 height>1
nD == depth>1 height>1
Safe fail depth to >= 1
Safe fail height to >= 1D
Take either the ROW_LENGTH / IMAGE_HEIGHT PixelStore value if > 0,
or the given width / height.
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and used within the GL*Impl.
New GLStateTracker:
- Tracking client/server states
- Currently supports PixelStorei
- Prologued in glPixelStorei and glGetIntegerv,
the latter will return the tracked state if available
and not call the GL method.
Impacts performance and ES1 compatibility (supports ALIGNMENT).
Fixed 'imageSizeInBytes' calculation:
- skipPixels and skipRows is a static one time offset
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- Fixes for OpenGL 3.2
- More strict define/function checking
- Better documentation in source code: extension relation
- GL extension marker exclusion is done by GlueGen now
- Adapted gluegen cfg files
Added OpenGL 3.2 extensions for GL3
Revalidation of all OpenGL 2.0/3.0/3.1 and 3.2 extensions
GL2GL3 based on OpenGL 2.0/3.0 headers
EGL shares common egl-common.cfg file
Removed experimental java system property 'jogl.GLContext.3_2',
try a 3.2 context in case of GL3.
X11GLXContext:
- Always try to make a created context current,
to verify it's usability. This is different than under WGL.
- Temporary removed usage: GLX.GLX_CONTEXT_PROFILE_MASK_ARB
NV driver bug.
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- add GL_NV_present_video
- add GL_NV_conditional_render
- add GL_EXT_transform_feedback
- add GL_EXT_direct_state_access
GL3:
- GLAPIENTRY -> APIENTRY (as in the orig headers)
- Add GL_ARB_geometry_shader4 to gl3ext.h
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ExtensionAvailabilityCache: Add Version 2.1 in case of GL2/OpenGL 3.0
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the colission-free subsumed extensions.
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- Fix glGetStringi's return type to String
- Fix ExtensionAvailabilityCache:
GL3's glGetStringi for GL_EXTENSIONS
Ensure to add GL_VERSION_2_0 in case version >= 3.0
Ensure to not exceed version 3.0 for non GL3.1 context.
In case of GL 3.1, do not include GL_VERSIONS below 3.0,
since this is a forward compatible context.
- Add Prologue to glGetString, where the ExtensionCache is being
used for GL_EXTENSIONS - if already initialized.
This feature adds backward compatibility for GL3 context on GL_EXTENSION.
+++
General:
Add GLPipelineFactory, a convenient pipeline factory for Debug/Trace and custom ones ..
Change 'void setGL(GL)' to 'GL setGL(GL)', and let it return the successful set GL,
or null.
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- Fix array element type name and const qualifier
JOGL:
- GL3: Set ArgumentIsString for GL3.1 methods
- JAR file creation: Add 'filesonly' option
- GLU: Static check of available impl., better fallback for GL2 without GLUgl2.
- WGL: (Performance + Java2D/GL FBO works again)
- Refactor WGL_ARB_pixel_format's HDC -> GLCapabilities: HDC2Caps
- Revert change where we always create a dummy drawable/context
for WGL selection (HDC2Caps).
In case of no multisampling, use PFD2Caps only.
- Update config using HDC2Caps (WGL_ARB_pixel_format)
after context creation, if not done already
-> updateCapabilitiesByWGL().
- profile.jogl: Add debug jars
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glAllocateMemoryNV to GL2GL3 only. Add GL2GL3 interface. Fix some GL2 signatures. BroadcomEGL disable custom setSize().
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git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851
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