Lines Matching refs:sample

65     assign the same sets of fragment shader input values to each sample.
70     This extension adds the "sample" qualifier that can be used on vertex
71     outputs and fragment inputs. When the "sample" qualifier is used, the
72     fragment shader is invoked separately for each covered sample and
74     sample point.
79     center, a specific sample number, or at the centroid.
113     "sample in", the data associated with those variables will be assigned
114     independently.  The values for each sample must be evaluated at the
115     location of the sample.  The data associated with any other variables not
116     qualified with "sample in" need not be evaluated independently for each
117     sample.
130     variables declared using "sample in" when the value of SAMPLE_BUFFERS is
131     one, the fragment shader will be invoked separately for each covered sample
132     and the variable will be sampled at the corresponding sample point.
138     interpolateAtCentroid() and interpolateAtSample() will sample variables as
139     though they were declared with the "centroid" or "sample" qualifiers,
140     respectively.  The built-in function interpolateAtOffset() will sample
193       sample
197       sample
205       sample in         linkage with per-sample interpolation
206       sample out        linkage with per-sample interpolation
209     precede the qualifiers in, centroid in, sample in, out, centroid out, or
210     sample out in a declaration.  ...
216     with the in, centroid in, or sample in storage qualifiers. ... Variables
217     declared as in, centroid in, or sample in may not be written to during
221     "sample in" or the interpolation qualifiers in a vertex shader input. ...
226     or sample in storage qualifiers. ...
230       sample in vec4 perSampleColor;
232     (replace the last paragraph of section, specifying that "sample" only need
238      out). Also, the "sample" qualifier may differ.  When the "sample"
245     with the out, centroid out, or sample out storage qualifiers. ...
249     sample out storage qualifiers. ...
253       sample out vec4 perSampleColor;
257     "centroid out" or "sample out" in a fragment shader. ...
262     (modify first paragraph of section, add reference to sample in/out) The
264     qualifiers centroid in, sample in, centroid out, and sample out, by the
269     or flat sample, which will mean the same thing as qualifying it only as
275     variables qualified with neither "centroid in" nor "sample in", the value
277     a single value may be assigned to each sample within the pixel, to the
280     When multisampling, "centroid" and "sample" may be
291     qualified with "sample", a separate value must be assigned to that
292     variable for each covered sample in the pixel, and that value must be
293     sampled at the location of the individual sample.
314       float interpolateAtSample(float interpolant, int sample);
315       vec2 interpolateAtSample(vec2 interpolant, int sample);
316       vec3 interpolateAtSample(vec3 interpolant, int sample);
317       vec4 interpolateAtSample(vec4 interpolant, int sample);
330     <interpolant> variable at the location of the sample numbered <sample>.  If
332     at the center of the pixel.  If sample <sample> does
363     This extension builds upon the per-sample shading support provided by
364     OES_sample_shading to provide a new "sample" qualifier on a fragment
365     shader input that forces per-sample shading, and specifies that the value
366     of the input be evaluated per-sample.
416     (2) "sample" and "centroid" have been split out as "Auxiliary Storage
458                                 "sample" qualifier match between stages (bug
468     3     2013-09-03  gleese    Moved sample variables to OES_sample_variables
471     0     2013-08-07  dkoch     reduced ARB_gpu_shader5 to sample-related features