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Signed-off-by: Brian Paul <brianp@vmware.com>
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Signed-off-by: Brian Paul <brianp@vmware.com>
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The _NEW_ACCUM flag was only set when changing the accumulation
buffer clear color and never used anywhere. Reclaim that dirty bit.
Clean up the definitions of the other dirty bit flags.
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Only a few texture object parameters can effect texture completeness:
min level, max level, minification filter. Don't mark the texture
incomplete for other texture object state changes.
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We are not required to do the linear->sRGB conversion if ARB_framebuffer_sRGB
is unsupported. However I think the conversion should work in hw except
for blending, which matches the D3D9 behavior.
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The hw can't do it and the code was useless anyway (it's lowered
in the GLSL compiler).
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Fixes negative relative branch offsets.
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The rvalue of the returned value can be NULL if the shader says
'return foo();' and foo() is a function that returns void.
Existing GLSL specs do *NOT* say that this is an error. The type of
the return value is void. If the return type of the function is also
void, then this should compile without error. I expect that future
versions of the GLSL spec will fix this (wink, wink, nudge, nudge).
Fixes piglit test glsl-1.10/compiler/expressions/return-01.vert and
bugzilla #33308.
NOTE: This is a candidate for the 7.9 and 7.10 branches.
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Before, we were converting between linear/sRGB in glReadPixels,
glDrawPixels, glAccum, etc if the renderbuffer was an sRGB texture.
Those all need to operate on pixel values as-is without conversion.
Also, when setting up render-to-texture, if the texture is sRGB the
pipe_surface view must be linear RGB. This will change when we
support GL_ARB_framebuffer_sRGB.
This fixes http://bugs.freedesktop.org/show_bug.cgi?id=33353
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When we read/write image tiles we need to use the format specified
in the pipe_surface, not the pipe_transfer format (which comes from
the underlying texture/resource format).
This comes up when rendering to sRGB surfaces (via OpenGL render to
texture). Ignoring the new GL_ARB/EXT_framebuffer_sRGB extension
for now, when we render to a sRGB surface we need to treat it like
a regular, linear colorspace RGB surface. Before, when we read/wrote
tiles to sRGB surfaces we were inadvertantly doing the color space
conversion.
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Implement it in terms of pipe_get_tile_rgba_format()
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The new function, pipe_get_tile_rgba_format(), no longer takes a
swizzle (we weren't actually using it anywhere). Rename it to
indicate that the format is passed explicitly.
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GLES can be enabled by running scons with
$ scons gles=yes
When gles=yes is given, the build is changed in three ways. First,
libmesa.a will be built with FEATURE_ES1 and FEATURE_ES2. This makes
DRI drivers and libEGL support and advertise GLES support. Second, GLES
libraries will be created. They are libGLESv1_CM, libGLESv2, and
libglapi. Last, libGL or opengl32 will link to libglapi. This change
is required as _glapi_* will be declared as __declspec(dllimport) in
libmesa.a on windows. libmesa.a expects those symbols to be defined in
another DLL. Due to this change to GL, GLES support is marked
experimental.
Note that GLES requires libxml2-python to generate some of its sources.
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So that it can be renamed to _glapi_get_dispatch.
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We almost always want to simply steal; we only need to copy when copying
a token list (in which case we're already cloning stuff anyway).
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These are already picked up by ir.h or glsl_types.h.
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The original allocations use regs->regs as the context, so talloc will
happily ignore the context given here. Change it to match to clarify
that it isn't changing.
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Improves the cases when:
* an explicit assignment references the read-only variable
* an 'out' or 'inout' function parameter references the read-only variable
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Fixes Piglit tests:
spec/glsl-1.30/compiler/storage-qualifiers/static-write-centroid-in-01.frag
spec/glsl-1.30/compiler/storage-qualifiers/static-write-in-01.frag
spec/glsl-1.30/compiler/storage-qualifiers/static-write-in-02.frag
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Even tho st/mesa use user buffers for constants align buffers
other state trackers doesn't use user buffers.
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Also remove unused i915_transfer struct
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Add missing evergreen FLT_TO_INT_FLOOR instruction.
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This adds the get/enable enums and internal gl_config storage
for this extension.
In theory this is all that is needed to enable this extension
from what I can see, since its not mandatory to implement the
features if you don't advertise the visuals or the fb configs.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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- since evergreen addition which increased this to 8 depth backends
other bytes may contain garbage values
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...and remove egg from face.
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