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A src register's index can be negative if we're doing indirect
addressing into the constant buffer. Ex: MOV OUT[1], CONST[ADDR[0].x-3]
This fixes the piglit vp-arl-neg-array.vpfp test.
Before this change we were going out of bounds of the t->constants[]
array and getting garbage that later triggered an assertion.
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Fixes piglit vpfp-generic arl.vpfp failure when using gallium.
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This was already done in st_TexImage() but was missed between incremental
changes to st_TexSubimage().
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Fixes assertion failures on glean's bufferObject test.
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Fixes progs/demos/fbotexture on Nouveau.
Patch submitted by Luca Barbieri <luca@luca-barbieri.com>.
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- This fixes a crash upon starting spring (a rts engine/game).
Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
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Conflicts:
configure.ac
progs/demos/morph3d.c
progs/demos/textures.c
progs/glsl/shtest.c
progs/glsl/texaaline.c
progs/tests/packedpixels.c
progs/xdemos/corender.c
src/mesa/main/version.h
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The assert in util_gen_mipmap() caught it, although
it does the right thing anyway.
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It is possible to have a 1-instruction vertex shader before expanding
pos_invarient. Not sure what this assert achieved, but at least move
it where it is correct.
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Signed-off-by: Brian Paul <brianp@vmware.com>
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util_blit_pixels_writemask() only works for color formats at this time.
Also, it might never work for depth/stencil surfaces since we can't get
handle stencil values in a fragment shader.
Fixes glCopyTexSubImage(GL_DEPTH_COMPONENT).
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Fixes bug 24426 for gallium.
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reviewed by Brian Paul.
(cherry picked from master, commit ae2daacbac7242938cffe0e2409071e030e00863)
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The main issue is we didn't always have a gallium texture object with
enough space to store the to-be-generated mipmap levels. When that's
the case, allocate a new gallium texture and use st_texure_finalize()
to copy images from the old texture to the new one.
We also had the baseLevel parameter to st_render_mipmap() wrong.
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Don't compute the st_texture_object::lastLevel field based on the texture
filters. Use the _MaxLevel value that core Mesa computes for us.
When called from the GenerateMipmap path, we'll use the lastLevel field
as-is.
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In get_array_bounds we were previously defining a user buffer sized as
(nr_vertices * stride). The trouble is that if the vertex data
occupies less than stride bytes, the extra tailing (stride - size)
bytes may extend outside the memory actually allocated by the app and
caused a segfault.
To fix this, define a the buffer bounds to be:
ptr .. ptr + (nr-1)*stride + element_size
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Normally, the mesa/st would create a fake front buffer out of a
client-allocated surface.
In the DRI setting, however, st/dri provides a front buffer surface which is
created and maintained by the X server. Prefer to use this surface instead,
so that front buffer rendering and reading works correctly.
Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
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Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
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We need to be sure to call the _mesa_unmap_teximage_pbo() function if we
called _mesa_validate_pbo_teximage().
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The following example caused an incorrect GL_OUT_OF_MEMORY error to be
raised in glTexSubImage2D:
glTexImage2D(level=0, width=32, height=32, pixels=NULL);
glTexImage2D(level=0, width=64, height=64, pixels=NULL);
glTexSubImage2D(level=0, pixels!=NULL);
The second glTexImage2D() call needs to cause the first image to be
deallocated then reallocated at the new size. This was not happening
because we were testing for pixels==NULL too early.
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If the renderbuffer orientation is Y=0=TOP we need to invert the dstY
position.
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State tracker currently backs GL_RGB textures with RGBA almost always.
This means we need to maintain A==1 in these textures to give correct GL_RGB
sampling results.
This change offloads the RGBA->RGB copy to hardware using the new writemask
version of u_blit_pixels.
More src/dstLogical/dstActual triples could be shifted to hardware by
this technique in future patches.
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If the renderbuffer orientation is Y=0=TOP we need to invert the dstY
position.
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Instead of _mesa_map_readpix_pbo() use _mesa_map_pbo_source().
Instead of _mesa_map_drawpix_pbo() and _mesa_map_bitmap_pbo() use
_mesa_map_pbo_dest().
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Return GL_FALSE if we failed to allocate the buffer. Then raise
GL_OUT_OF_MEMORY in core Mesa.
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State tracker currently backs GL_RGB textures with RGBA almost always.
This means we need to maintain A==1 in these textures to give correct GL_RGB
sampling results.
This change offloads the RGBA->RGB copy to hardware using the new writemask
version of u_blit_pixels.
More src/dstLogical/dstActual triples could be shifted to hardware by
this technique in future patches.
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This fixes a bunch of gallium regressions since
commit 8096aa521369c3bcf5226c060efa6dd06e48ddc8
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When adding a new bitmap to the cache we have to check if the Z value is
changing and flush first if it is.
This is a modified version of a patch from Justin Dou <justin.dou@intel.com>
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