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Previously, core Mesa's _mesa_CopyImageSubData() created temporary textures
to wrap renderbuffer sources/destinations. This caused a bit of a mess in
the Mesa/gallium state tracker because we had to basically undo that
wrapping.
Instead, change ctx->Driver.CopyImageSubData() to take both gl_renderbuffer
and gl_texture_image src/dst pointers (one being null, the other non-null)
so the driver can handle renderbuffer vs. texture as needed.
For the i965 driver, we basically moved the code that wrapped textures
around renderbuffers from copyimage.c down into the met and driver code.
The old code in copyimage.c also made some questionable calls to
_mesa_BindTexture(), etc. which weren't undone at the end.
v2 (Jason Ekstrand): Rework the intel bits
v3 (Brian Paul): Update the temporary st_CopyImageSubData() function.
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Tested-by: Kai Wasserbäch <kai@dev.carbon-project.org>
Tested-by: Nick Sarnie <commendsarnex@gmail.com>
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Generated by sed; no manual changes.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
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Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
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The memory layout of compatible internal formats may differ in bytes per
block, so TexFormat is not a reliable measure of compatibility. For example,
GL_RGB8 and GL_RGB8UI are compatible formats, but GL_RGB8 may be laid out in
memory as B8G8R8X8. If GL_RGB8UI has a 3 byte-per-block memory layout, the
existing compatibility check will fail.
Additionally, the current check allows any two compressed textures which share
block size to be used, whereas the spec gives an explicit table of compatible
formats.
v2: Use a switch instead of array iteration for block class and show the
correct GL error when internal formats are mismatched.
v3: Include spec citations for new compatibility checks, rearrange check
order to ensure that compressed, view-compatible formats return the
correct result, and make style fixes. Original commit message amended
for clarity.
v4: Reformatted spec citations.
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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Generate a GL error and return rather than crashing on a null
ctx->Driver.CopyImageSubData pointer (gallium). This allows apitraces
with glCopyImageSubData() calls to continue rather than crash.
Plus, fix a comment typo.
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
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Fixes MinGW build. Trivial.
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This adds the API entrypoint, error checking logic, and a driver hook for
the ARB_copy_image extension.
v2: Fix a typo in ARB_copy_image.xml and add it to the makefile
v3: Put ARB_copy_image.xml in the right place alphebetically in the
makefile and properly prefix the commit message
v4: Fixed some line wrapping and added a check for null
v5: Check for incomplete renderbuffers
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Neil Roberts <neil@linux.intel.com>
v6: Update dispatch_sanity for the addition of CopyImageSubData
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