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This fixes a regression in fbotest1 on 915, where a transition from
color+vertex array enabled to texcoord0+vertex array enabled wouldn't trigger
program update on the second _mesa_update_state of DrawArrays, and we'd sample
a constant texcoord of 0,0,0,1 instead of the array.
The double state update in DrawArrays from
1680ef869625dc1fe9cf481b180382a34e0738e7 still needs fixing.
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If the walk callback called _mesa_HashRemove() we'd deadlock.
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For testing, it's very useful to be able to test on a debug build,
while suppressing the debug messages (messages that are by default
suppressed in a release build), in order to see the same behavior
that users of release builds will see.
For example, the "piglit" test suite will flag an error on
programs that produce unexpected output, which means that a
debug build will always fail due to the extra debug messages.
This change introduces a new value to the MESA_DEBUG
environment variable. In a debug build, explicitly setting MESA_DEBUG
to "0" will suppress all debug messages (both from _mesa_debug() and
from _mesa_warning()). (The former behavior was that debug
messages were never suppressed in debug builds.)
Behavior of non-debug builds has not changed. In such a build,
_mesa_debug() messages are always suppressed, and _mesa_warning()
messages will be suppressed unless MESA_DEBUG is set *to any value*.
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This format is layered on MESA_FORMAT_RGB888 so the component order is
actually BGR.
Fixes glean pixelFormat failures.
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It was only set to GL_TRUE in one place where it isn't really needed
(glGetTexImage(sRGB format)).
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For luminance, we add R+G+B and it seems we should always clamp in case.
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EyeDirection -> SpotDirection
_NormDirection -> _NormSpotDirection
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In glLight() we're only supposed to transform the direction by the modelview
matrix, not normalized it too.
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premature return in TexParameterf caused mesa to never call Driver.TexParameter
breaking drivers relying on this (fix bug #20966).
While here, also fix using ctx->ErrorValue when deciding to call
Driver.TexParameter. Errors are sticky and uncleared errors thus would cause
this to no longer get called. Since we thus need return value of
set_tex_parameter[if] can also optimize this to only call when value changed.
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Use MAX_COMBINER_TERMS instead of 4.
Rename some vars.
Update comments.
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The code's cleaner and a step toward supporting float-valued texture sampling.
Some optimizations for common cases can be added and re-enabled...
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A shader program may consist of multiple shaders (source code units).
If we find there are unresolved functions after compiling the unit that
defines main(), we'll concatenate all the respective vertex or fragment
shaders then recompile.
This isn't foolproof but should work in most cases.
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This fixes an issue when compiling glCallList() into another display list
when the mode is GL_COMPILE_AND_EXECUTE.
Before, the call to glCallList() called _mesa_save_CallList() which called
neutral_CallList() which then called _mesa_save_CallList() again. In the
end, the parent display list contained two calls to the child display list
instead of one.
Let's be on the lookout for regressions caused by this change for a while
before we cherry-pick this elsewhere.
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The 'dots' register wasn't getting properly un-negated and un-swizzled
after emitting the code for back-face lighting. So, if more than one
light source was enabled, the specular exponent for the next light source
was wrong.
During execution we were evaluating pow(x, y) where y was negative instead
of positive. This led to the outcome being zero or NaN.
This fixes the occasional black triangles seen in isosurf when hacked to
enable two-sided lighting.
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need to respect the user-supplied base format, not the one derived from
the texture format actually used.
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This is a (partial) backport of the signed texture format support in OGL 3.1.
Since it wasn't promoted from an existing extension roll our own.
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Initialize the shader's pragma settings before calling the compiler.
Added pragma "Ignore" fields to allow overriding the #pragma directives found
in shader source code.
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It turns out some tests are sensitive to rounding vs. truncating when
converting float color values to integers in glReadPixels(). In particular,
this matters when the destination format is 5/6/5 or 4/4/4/4, etc.
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This gets hit when glTexSubImage2D() is called with format==GL_DU8DV8_ATI.
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