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AA lines drawn as textured quads look a little better with this change.
Conformance/piglit tests still pass.

This fixes a problem when trying to use large (2K x 2K) texture
images.  We'll DMA the image in chunks.

Patch written by Jose.

Broken since e0c1fc32.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>

Spotted by Brian Paul.

Spotted by Jakob Bornecrantz.

Spotted by Jakob Bornecrantz.

Signed-off-by: Haitao Feng <haitao.feng@intel.com>

This fixes __DRIdrawable refcounting.
Binding a context increases their refcount,
so we need to decrease it.

st/mesa/st_managaer.c needs render_buffer in order
to determinde which buffer should be rendered to.

ctx->dPriv might be != NULL then draw which is NULL is accessed:

struct dri_drawable *draw = dri_drawable(driDrawPriv);
[..]
if (ctx->dPriv != driDrawPriv) {
      ctx->dPriv = driDrawPriv;
      draw->texture_stamp = driDrawPriv->lastStamp - 1;
}

useful for s3tc

these were NOPs anyways.
Signed-off-by: Dave Airlie <airlied@redhat.com>

add support for the 32-bit types, also fixup the
export setting to handle types with channels > 11 bits properly
Signed-off-by: Dave Airlie <airlied@redhat.com>

Should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=33185

Also, add a 'glcpp' target so you can type 'make glcpp' instead of
'make glcpp/glcpp'.

We don't need the read/write flags.

Based on Dave's branch.

The majority of this commit is a cleanup, mainly renaming things.
There wasn't much code to import, just ioctl calls.

Also done:
- implemented unsynchronized bo_map (important optimization!)
- radeon_bo_is_referenced_by_cs is no longer a refcount hack
- dropped the libdrm_radeon dependency

I'm surprised that this has resulted in less code in the end.

In this case, we always use the corresponding linear format in create_surface,
therefore we should check for linear format support as well.

NOTE: This is a candidate for the 7.9 and 7.10 branches.

Previously the SNE and SEQ instructions would calculate the partial
result to the destination register.  This would cause problems if the
destination register was also one of the source registers.

Fixes piglit tests glsl-fs-any, glsl-fs-struct-equal,
glsl-fs-struct-notequal, glsl-fs-vec4-operator-equal,
glsl-fs-vec4-operator-notequal.

NOTE: This is a candidate for the 7.9 and 7.10 branches.

This can avoid DMAing the whole buffer when just a fraction was changed.

It's still broken, however it doesn't show up on debug builds.