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This fixes https://bugs.freedesktop.org/show_bug.cgi?id=32713
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This makes
fbo-generatemipmap-formats GL_EXT_texture_sRGB-s3tc
match
fbo-generatemipmap-formats GL_EXT_texture_compression_s3tc
and swrast in bad DXT1_RGBA alpha=0 handling, but it means we won't
unpack and repack someone's textures into uncompressed SARGB8 format.
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It's just LUMINANCE, not LUMINANCE_ALPHA. Fixes
fbo-generatemipmap-formats GL_EXT_texture_sRGB-s3tc assertion failure
when it tries to pack the L8 channels into LUMINANCE_ALPHA and wonders
why it's trying to do that.
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We now share the type/format -> MESA_FORMAT_* mappings with software
mesa, and the core supports most of the fallbacks hardware drivers
will want.
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Right now this is just tweaking the current code to look at the table.
Choosing actually supported formats will come later.
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Use make_temp_float_image instead of _make_temp_chan_image.
The latter converts the texture to 8 bits/component, losing 2 bits.
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This extension doesn't appear to need any driver-specific parts.
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This workaround fixes rendering of kwin thumbnails.
NOTE: This is a candidate for the 7.9 and 7.10 branches.
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rc_inst_can_use_presub() wasn't checking for too many RGB sources in
Alpha instructions or too many Alpha sources in RGB instructions.
Note: This is a candidate for the 7.10 branch.
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We were looking at the current draw buffer instead to see whether the
depth/stencil combination matched. So you'd get told your framebuffer
was complete, until you bound it and went to draw and we decided that
it was incomplete.
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The _ColorDrawBuffers is a piece of computed state that gets for the
current draw/read buffers at _mesa_update_state time. However, this
function actually gets used for non-current draw/read buffers when
checking if an FBO is complete from the driver's perspective. So,
instead of trying to just look at the attachment points that are
currently referenced by glDrawBuffers, look at all attachment points
to see if they're driver-supported formats. This appears to actually
be more in line with the intent of the spec, too.
Fixes a segfault in my upcoming fbo-clear-formats piglit test, and
hopefully bug #30278
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=32560
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=32814
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Until we know how hw converts quads to polygon in beginning of
3D pipeline, for now unconditionally use last vertex convention.
Fix glean/clipFlat case.
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Include mtypes.h for gl_buffer_index symbol.
This is a follow-up to commit 65da73c5f87bc39c76ba9e45945da95fff354308.
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Remove incorrect headless comment for gen6 fb write message.
Note current SIMD16 mode has already done right for control message.
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Triangle fan provoking vertex for first convention should be
'vertex 1' in sandybridge clip state.
Partly fix glean/clipFlat case
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=32804
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Bug #32207. Fixes ARB_texture_rg/fbo-clear-formats (see my
fbo-clear-formats piglit branch currently)
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Noticed by code inspection.
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Noticed by code inspection.
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When figuring out whether a renderbuffer should be used to set the
visual bits of an FBO, we were missing important baseformats like
GL_RED, GL_RG, and GL_LUMINANCE.
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We did so already for textures to do ARB_fbo's
GL_ALPHA/GL_LUMINANCE/etc. support and for ARB_texture_rg's GL_RED and
GL_RG, but this path was missed.
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Fixes a potential segfault on a non-native depthbuffer, and possible
accidental swrast fallback on extra color buffers.
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=30694
NOTE: This is a candidate for the 7.9 and 7.10 branches.
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Reported on irc by adamk.
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Fixes a regression in ember since switching to the native FS backend,
and the new piglit tests glsl-fs-vec4-indexing-{2,3} for catching this.
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Fixes 26 piglit cases on my GM965.
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Clear target query buffer fixed occlusion query on sandybridge.
https://bugs.freedesktop.org/show_bug.cgi?id=32167
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This reverts commit de6fd527a545f8344e074312544517d05573fb72.
Revert this workaround as it seems the real trouble is caused by
lineloop, which doesn't require GS convert on sandybridge actually.
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Hopefully should fix bug #32520.
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LINELOOP is converted to LINESTRIP at the beginning of the 3D pipeline.
This fixes https://bugs.freedesktop.org/show_bug.cgi?id=32596
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Gen4 and Gen5 hardware can have a maximum supported nesting depth of 16.
Previously, shaders with control flow nested 17 levels deep would
cause a driver assertion or segmentation fault.
Gen6 (Sandybridge) hardware no longer has this restriction.
Fixes fd.o bug #31967.
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This adds a new optional max_depth parameter (defaulting to 0) to
lower_if_to_cond_assign, and makes the pass only flatten if-statements
nested deeper than that.
By default, all if-statements will be flattened, just like before.
This patch also renames do_if_to_cond_assign to lower_if_to_cond_assign,
to match the new naming conventions.
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