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Lines Matching refs:coverage

50     Edge anti-aliasing computes fractional fragment coverage for all
61 (a.k.a. "sample") coverage for rasterized fragments, and replicates
74 increasing the storage required, coverage sampling.
77 coverage buffer to the framebuffer, which is used to produce
79 multisample buffer). This coverage information is computed and stored
83 for stencil shadow volumes), coverage buffer updates may be masked
145 in the framebuffer's color buffers. As with multisampling, coverage
146 sampling resolves color sample and coverage values to a single, displayable
151 An additional buffer, called the coverage buffer, is added to
152 the framebuffer. This buffer stores additional coverage information
157 samples contain this coverage information, and the framebuffer
158 does not include the coverage buffer.
161 all primitives is changed, and is referred to as coverage sample
168 During coverage sample rasterization the pixel fragment contents
169 are modified to include COVERAGE_SAMPLES_NV coverage values. The
178 may be used to modify the manner in which coverage sampling is
180 COVERAGE_ALL_FRAGMENTS_NV, coverage sampling will be performed and the
181 coverage buffer updated for all fragments generated during rasterization.
182 If <operation> is COVERAGE_EDGE_FRAGMENTS_NV, coverage sampling will
187 the GL will automatically select the appropriate coverage operation,
193 identically to COVERAGE_ALL_FRAGMENTS_NV. The default coverage operation
206 multisample points and COVERAGE_SAMPLES_NV coverage sample points.
209 in section 3.3.3. Rasterization for coverage sample points uses
211 in the coverage buffer."
223 multisample points and COVERAGE_SAMPLES_NV coverage sample points.
226 section 3.4.4. Rasterization for coverage sample points uses
228 the coverage buffer."
240 points and COVERAGE_SAMPLES_NV coverage sample points.
243 section 3.5.7. Rasterization for coverage sample points uses
245 coverage buffer."
267 "The coverage buffer can be enabled or disabled for writing coverage
272 If <mask> is non-zero, the coverage buffer is enabled for writing;
273 otherwise, it is disabled. In the initial state, the coverage
281 bit for coverage sample values. A set of four bits is also required
284 controlling the depth value, coverage sample value and RGBA component
299 the stencil buffer, the accumulation buffer and the virtual-coverage
306 coverage buffer; again, if there is no coverage buffer, the error
328 "An internal format is 'coverage-renderable' if it is COVERAGE_COMPONENT_NV
330 formats are coverage-renderable"
336 coverage-renderable internal format."
344 COVERAGE_SAMPLES_NV is equal to the number of coverage samples for the
354 | EGL_COVERAGE_BUFFERS_NV | integer | number of coverage buffers |
355 | EGL_COVERAGE_SAMPLES_NV | integer | number of coverage samples per |
363 "There are no single-sample depth, stencil or coverage buffers for a
364 multisample EGLConfig; the only depth, stencil and coverage buffers are
369 "The <coverage buffer> is used only by OpenGL ES. It contains primitive
370 coverage information that is used to produce a high-quality anti-aliased
371 image. The format of the coverage buffer is not specified, and its
372 contents are not directly accessible. Only the existence of the coverage
373 buffer, and the number of coverage samples it contains, are exposed by EGL.
375 EGL_COVERAGE_BUFFERS_NV indicates the number of coverage buffers, which
376 must be zero or one. EGL_COVERAGE_SAMPLES_NV gives the number of coverage
432 // coverage info. color writes are disabled
441 // coverage writes. enable color writes. coverage may be
443 // identical geometry -- since the final coverage buffer will be
444 // unchanged, we can disable coverage writes as an optimization.
465 // render opaque, Z-buffered geometry with coverage info for the
466 // entire primitive. Overwrite coverage data for all fragments, so
475 // coverage operation to just edge fragments. this will maintain
476 // the coverage information underneath the translucent geometry,
499 // render opaque, Z-buffered geometry, with coverage info.
504 // blending. also, disable coverage writes -- the edges of the
506 // tapering to zero, so edge coverage is uninteresting, and
507 // interior coverage should still refer to the underlying opaque
524 1. Is any specific discussion of coverage sampling resolves required,
527 RESOLVED: No. Because the coverage sampling resolve is an
535 quality coverage sample resolve supported for calls to eglSwapBuffers,
539 resolves and coverage attachment?
543 support coverage sampling for all surface types.