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Signed-off-by: Brian Paul <[email protected]>
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this seems like a logical thing to do and sets the correct st flags
for vertex textures.
Signed-off-by: Dave Airlie <[email protected]>
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This fixes piglits fragment-and-vertex-texturing test on llvmpipe for me.
I've no idea if someone had another plan for this that is smarter than what
I've done here, but what I've basically done is
split fragment and vertex sampler and sampler_view setup function, factor
out the common chunks of both.
side-cleanups:
drop st->state.sampler_list - unused
don't update border color if we have no border color.
should fix https://bugs.freedesktop.org/show_bug.cgi?id=35849
Signed-off-by: Dave Airlie <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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This extension support consists of replacing
"gl_texture_obj->Sampler." with "_mesa_get_samplerobj(ctx, unit)->".
One instance of referencing the texture's base sampler remains in the
initial miptree allocation, where I'm not sure we have a clear
association with any texture unit.
Tested with piglit ARB_sampler_objects/sampler-objects.
Reviewed-by: Brian Paul <[email protected]>
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gl_texture_object contains an instance of this type for the regular
texture object sampling state. glGenSamplers() generates new instances
of gl_sampler_object which can override that state with glBindSampler().
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Base level and min LOD aren't equivalent. In particular, min LOD has no
effect on image array selection for magnification and non-mipmapped
minification.
Signed-off-by: Brian Paul <[email protected]>
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This uses a sampler view to access the texture with the alternate format.
Signed-off-by: Dave Airlie <[email protected]>
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passes all piglit RG tests with softpipe.
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Okay I think this is good enough for now, I can't see any other reason
for mesa to want to use a sampler view so lets just leave it at all the A->X conversions for now.
I've been running gnome-shell under r300g with this for day or so and it seems fine.
Signed-off-by: Dave Airlie <[email protected]>
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This passes on r300g, the only bit I'm not really sure about is the handling
of the sampler_view in st_atom_texture.c, I unreference it there if the swizzle
value changes and I also have to create a new set of functions to create a new
one since the u_sampler.c ones don't handle swizzle so much.
adds r300g + softpipe enables, I think other drivers could pass easily enough.
Signed-off-by: Dave Airlie <[email protected]>
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Previously, when we created a gallium texture for a corresponding Mesa
texture we'd only allocate space for mipmap levels >= BaseLevel.
This patch undoes that mechanism. This fixes a render-to-texture bug
when rendering to level 0 when BaseLevel=1.
Also, it makes sense to allocate the whole texture object memory when
BaseLevel > 0 since a common use of GL_TEXTURE_BASE_LEVEL is to
progressively load/render mipmaps. Eventually, the app almost always
fills in the level=0 mipmap image.
Finally, the texture image code is bit easier to understand now.
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Just pass the pipe context to st_get_texture_sampler_view()
as is done for st_get_renderbuffer_sampler_view().
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Lazily create a sampler view when the texture is being bound
for the first time.
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fragment shaders
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needed
The default texture is used when the current fragment shader has texture
sample instructions but the user has not provided/bound a texture.
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Before, we were sometimes rendering into a stale texture because
st_finalize_texture() would discard the old texture and create a new one.
Moved st_update_framebuffer atom after texture validation so that we
can create a new renderbuffer surface if the texture changes.
Also, split texture validation into two parts: finalize_textures and
update_textures. Do finalize_textures first to avoid getting into the
situtation where we're doing a pipe->surface_copy() mid-way through
state validation.
Some debug code still in place, but disabled...
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Fixes problems with interleaved glTexImage and rendering calls.
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If we run out of texture memory we may not have the texture needed by the
fragment shader. If this happens, plug in a color passthrough shader.
So instead of crashing, we just don't see the texture.
GL_OUT_OF_MEMORY is raised, of course.
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update_samplers()
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st_atom_sampler.c
Otherwise, we were sometimes setting texture state but not the corresponding
sampler state.
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st_finalize_texture()'s return code now indicates success/fail instead of
presence of texture border (which we discard earlier).
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This provides better information about which images in texture object have changed.
Also, call texture_update() from more places previously missed.
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Bind all the samplers/textures at once rather than piecemeal.
This is easier for drivers to understand.
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This is a better fix for the previous check-in.
Fixes texadd.c conform test, and probably other bugs.
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The 'st' pointer might not have changed, but st->pt might have. The dirtyData flag
will indicate when that's happened, so check it.
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Called whenever texture data is changed (glTexImage, glTexSubImage,
glCopyTexSubImage, etc).
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Calling glTexSubImage() or glTexImage() to replace texture data didn't
reliably cause pipe->set_sampler_texture() to get called so drivers didn't
always get notified of new texture data.
The st_texture_object->pt pointer doesn't always indicate changed data so
added a dirtyData field.
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The effect of this mapping can be acheived by the state tracker and
setting up the pipe texture state pointers to incorporate its affects.
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pipe->get_tex_surface() has to be used for access to texture image data.
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