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texture_builtins.py: Fixes for Array variants.

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The array layer is now included as part of the texture coordinate.
This commit is contained in:
Kenneth Graunke 2010-06-08 15:34:37 -07:00
parent 538da12092
commit c34a624c9f
1 changed files with 9 additions and 5 deletions
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14
builtins/tools/texture_builtins.py
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@ -13,20 +13,24 @@ def vec_type(g, size):
return g + "vec" + str(size)
# Get the base dimension - i.e. sampler3D gives 3
# Array samplers also get +1 here since the layer is really an extra coordinate
def get_coord_dim(sampler_type):
if sampler_type[0].isdigit():
return int(sampler_type[0])
coord_dim = int(sampler_type[0])
elif sampler_type.startswith("Cube"):
return 3
assert False ("coord_dim: invalid sampler_type: " + sampler_type)
coord_dim = 3
else:
assert False ("coord_dim: invalid sampler_type: " + sampler_type)
if sampler_type.find("Array") != -1:
coord_dim += 1
return coord_dim
# Get the number of extra vector components (i.e. shadow comparitor)
def get_extra_dim(sampler_type, use_proj, unused_fields):
extra_dim = unused_fields
if sampler_type.find("Shadow") != -1:
extra_dim += 1
if sampler_type.find("Array") != -1:
extra_dim += 1
if use_proj:
extra_dim += 1
return extra_dim