Added 32 bit integer output types
As long as there's no floating point arithmetic, 32 bit integer
types are computationally equivalent to 32 bit floating point.
Change-Id: I5ab19da440f52617a9bc64dff6fcaf8eff796aeb
Reviewed-on: https://swiftshader-review.googlesource.com/4717
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
diff --git a/src/OpenGL/common/Image.cpp b/src/OpenGL/common/Image.cpp
index 1396a52..ef335b8 100644
--- a/src/OpenGL/common/Image.cpp
+++ b/src/OpenGL/common/Image.cpp
@@ -500,6 +500,30 @@
return sw::FORMAT_A16F;
case GL_ALPHA32F_EXT:
return sw::FORMAT_A32F;
+ case GL_RED_INTEGER:
+ switch(type)
+ {
+ case GL_INT: return sw::FORMAT_R32I;
+ case GL_UNSIGNED_INT: return sw::FORMAT_R32UI;
+ default: UNREACHABLE(type);
+ }
+ break;
+ case GL_RG_INTEGER:
+ switch(type)
+ {
+ case GL_INT: return sw::FORMAT_G32R32I;
+ case GL_UNSIGNED_INT: return sw::FORMAT_G32R32UI;
+ default: UNREACHABLE(type);
+ }
+ break;
+ case GL_RGBA_INTEGER:
+ switch(type)
+ {
+ case GL_INT: return sw::FORMAT_A32B32G32R32I;
+ case GL_UNSIGNED_INT: return sw::FORMAT_A32B32G32R32UI;
+ default: UNREACHABLE(type);
+ }
+ break;
default:
UNREACHABLE(format);
}
