diff options
Diffstat (limited to 'src/gallium/docs')
| -rw-r--r-- | src/gallium/docs/source/context.rst | 14 | ||||
| -rw-r--r-- | src/gallium/docs/source/screen.rst | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst index e8e80dcbc39..20d0df79312 100644 --- a/src/gallium/docs/source/context.rst +++ b/src/gallium/docs/source/context.rst @@ -68,6 +68,9 @@ objects. They all follow simple, one-method binding calls, e.g. that this takes effect even if multisampling is not explicitly enabled if the frambuffer surface(s) are multisampled. Also, this mask is AND-ed with the optional fragment shader sample mask output (when emitted). +* ``set_sample_locations`` sets the sample locations used for rasterization. + ```get_sample_position``` still returns the default locations. When NULL, + the default locations are used. * ``set_min_samples`` sets the minimum number of samples that must be run. * ``set_clip_state`` * ``set_polygon_stipple`` @@ -270,6 +273,17 @@ format. multi-byte element value starting at offset bytes from resource start, going for size bytes. It is guaranteed that size % clear_value_size == 0. +Evaluating Depth Buffers +^^^^^^^^^^^^^^^^^^^^^^^^ + +``evaluate_depth_buffer`` is a hint to decompress the current depth buffer +assuming the current sample locations to avoid problems that could arise when +using programmable sample locations. + +If a depth buffer is rendered with different sample location state than +what is current at the time of reading the depth buffer, the values may differ +because depth buffer compression can depend the sample locations. + Uploading ^^^^^^^^^ diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 0f18b7a94b9..a41c421ec47 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -438,6 +438,9 @@ PIPE_CONSERVATIVE_RASTER_PRE_SNAP mode is supported for points and lines. works with conservative rasterization. * ``PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS``: The maximum subpixel precision bias in bits during conservative rasterization. +* ``PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS``: True is the driver supports + programmable sample location through ```get_sample_pixel_grid``` and + ```set_sample_locations```. .. _pipe_capf: |