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CommonFilters: better handle failure condition when shaders not supported

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This commit is contained in:
rdb 2018-01-05 14:15:22 +01:00
parent 5980b0b9ab
commit 47c7ff42cc
1 changed files with 7 additions and 1 deletions
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8
direct/src/filter/CommonFilters.py
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@ -131,6 +131,9 @@ class CommonFilters:
if (len(configuration) == 0):
return
if not self.manager.win.gsg.getSupportsBasicShaders():
return False
auxbits = 0
needtex = set(["color"])
needtexcoord = set(["color"])
@ -338,7 +341,10 @@ class CommonFilters:
text += " o_color = float4(1, 1, 1, 1) - o_color;\n"
text += "}\n"
self.finalQuad.setShader(Shader.make(text, Shader.SL_Cg))
shader = Shader.make(text, Shader.SL_Cg)
if not shader:
return False
self.finalQuad.setShader(shader)
for tex in self.textures:
self.finalQuad.setShaderInput("tx"+tex, self.textures[tex])