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Includes GL_ARB_transform_feedback2 which encapsulates transform feedback
state in objects.
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And make _mesa_copy_string() non-static.
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glapi/dispatch.h is a core Mesa header file. Move the header file to
main/ to make this clear. It also becomes clear after this change that
IN_DRI_DRIVER is only used in core Mesa to enable the remap table.
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This reverts part of commit 298be2b028263b2c343a707662c6fbfa18293cb2
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This may break the SUNOS4 build, but it's no longer relevant.
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GL_TRUE indicates that the driver accepts the program.
GL_FALSE indicates the program can't be compiled/translated by the
driver for some reason (too many resources used, etc).
Propogate this result up to the GL API: set GL_INVALID_OPERATION
error if glProgramString() was called. Set shader program link
status to GL_FALSE if glLinkProgram() was called.
At this point, drivers still don't do any program checking and
always return GL_TRUE.
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Reported by Karl Schultz.
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This logs glUseProgram() calls to stderr.
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Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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These options can be used to force vertex/fragment shaders to be no-op
shaders (actually, simple pass-through shaders). For debug/test purposes.
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Remove redunant type check for samplers (assert instead).
Move some local vars. Update comments.
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Need to add the 'offset' parameter when indexing the parameter array.
Before, if we were setting arrays of samplers, we were actually only
setting the 0th sampler's value.
Because of how progs/glsl/samplers.c is constructed, this wasn't showing
up as a failure in the samplers_array output.
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Shader validation should fail if there are two samplers of different types
which reference the same texture unit. For example, if a cubemap sampler
and a 2D sampler both reference texture unit 0, that's invalid.
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This is the start of a glsl-continue-return feature branch to support
a GLSL code generator option for 'continue' and 'return' statements.
Some targets don't support CONT or RET statements so we'll need to
try to generate code that does not use them...
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Conflicts:
Makefile
src/gallium/drivers/softpipe/sp_screen.c
src/mesa/main/version.h
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Use _NEW_PROGRAM_CONSTANTS when changing constant/uniform buffer values.
Binding a new program/shader sets both _NEW_PROGRAM and _NEW_PROGRAM_CONSTANTS.
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This state flag will be used to indicate that vertex/fragment program
constants have changed. _NEW_PROGRAM will be used to indicate changes
to the vertex/fragment shader itself, or misc related state.
_NEW_PROGRAM_CONSTANTS is also set whenever a program parameter that's
tracking GL state has changed. For example, if the projection matrix is
in the parameter list, calling glFrustum() will cause _NEW_PROGRAM_CONSTANTS
to be set. This will let to remove the need for dynamic state atoms in
some drivers.
For now, we still set _NEW_PROGRAM in all the places we used to. We'll no
longer set _NEW_PROGRAM in glUniform() after drivers/etc have been updated.
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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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Move the is_boolean/integer_type() calls out of the loops.
Move the is_sampler_type() function near the bool/int functions.
Add a bunch of comments.
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We were off by one when checking for too many uniform values.
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Note: the default value for EmitCondCodes is FALSE. This means the GLSL
compiler will emit code like this:
SEQ TEMP[0].x, A, B;
IF TEMP[0].x;
...
ENDIF
But if EmitCondCodes is TRUE, condition codes will be used instead:
SEQ.C TEMP[0].x, A, B;
IF (NE.xxxx);
...
ENDIF
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Arrays of sampler vars haven't been tested much and might actually be broken.
Will need to be revisited someday.
Another fix for bug 20056.
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