Handcode pixel packing and unpacking.
Change-Id: Ibe0f0ca5630140913040b3f1d339cb69d2ed48d4
diff --git a/lib/ScriptCRT/Android.mk b/lib/ScriptCRT/Android.mk
index 88d6ce1..8b223f0 100644
--- a/lib/ScriptCRT/Android.mk
+++ b/lib/ScriptCRT/Android.mk
@@ -30,7 +30,8 @@
clcore_ll_files := \
clamp.ll \
convert.ll \
- matrix.ll
+ matrix.ll \
+ pixel_packing.ll
include $(BUILD_SYSTEM)/base_rules.mk
diff --git a/lib/ScriptCRT/pixel_packing.ll b/lib/ScriptCRT/pixel_packing.ll
new file mode 100644
index 0000000..a8e8fa7
--- /dev/null
+++ b/lib/ScriptCRT/pixel_packing.ll
@@ -0,0 +1,47 @@
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64"
+target triple = "armv7-none-linux-gnueabi"
+
+@fc_255.0 = internal constant <4 x float> <float 255.0, float 255.0, float 255.0, float 255.0>, align 16
+@fc_0.5 = internal constant <4 x float> <float 0.5, float 0.5, float 0.5, float 0.5>, align 16
+
+declare <4 x i8> @_Z14convert_uchar4Dv4_f(<4 x float> %in) nounwind readnone
+declare <4 x float> @_Z14convert_float4Dv4_h(<4 x i8> %in) nounwind readnone
+
+; uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color)
+define <4 x i8> @_Z17rsPackColorTo8888Dv4_f(<4 x float> %color) nounwind readnone {
+ %f255 = load <4 x float>* @fc_255.0, align 16
+ %f05 = load <4 x float>* @fc_0.5, align 16
+ %v1 = fmul <4 x float> %f255, %color
+ %v2 = fadd <4 x float> %f05, %v1
+ %v3 = tail call <4 x i8> @_Z14convert_uchar4Dv4_f(<4 x float> %v2)
+ ret <4 x i8> %v3
+}
+
+; uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color)
+define <4 x i8> @_Z17rsPackColorTo8888Dv3_f(<3 x float> %color) nounwind readnone {
+ %1 = shufflevector <3 x float> %color, <3 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+ %2 = insertelement <4 x float> %1, float 1.0, i32 3
+ %3 = tail call <4 x i8> @_Z17rsPackColorTo8888Dv4_f(<4 x float> %2)
+ ret <4 x i8> %3
+}
+
+; uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b)
+define <4 x i8> @_Z17rsPackColorTo8888fff(float %r, float %g, float %b) nounwind readnone {
+ %1 = insertelement <4 x float> undef, float %r, i32 0
+ %2 = insertelement <4 x float> %1, float %g, i32 1
+ %3 = insertelement <4 x float> %1, float %b, i32 2
+ %4 = insertelement <4 x float> %1, float 1.0, i32 3
+ %5 = tail call <4 x i8> @_Z17rsPackColorTo8888Dv4_f(<4 x float> %4)
+ ret <4 x i8> %5
+}
+
+; uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b, float a)
+define <4 x i8> @_Z17rsPackColorTo8888ffff(float %r, float %g, float %b, float %a) nounwind readnone {
+ %1 = insertelement <4 x float> undef, float %r, i32 0
+ %2 = insertelement <4 x float> %1, float %g, i32 1
+ %3 = insertelement <4 x float> %1, float %b, i32 2
+ %4 = insertelement <4 x float> %1, float %a, i32 3
+ %5 = tail call <4 x i8> @_Z17rsPackColorTo8888Dv4_f(<4 x float> %4)
+ ret <4 x i8> %5
+}
+
diff --git a/lib/ScriptCRT/rs_core.c b/lib/ScriptCRT/rs_core.c
index fbd2d24..5d3f993 100644
--- a/lib/ScriptCRT/rs_core.c
+++ b/lib/ScriptCRT/rs_core.c
@@ -269,6 +269,7 @@
rsDebug(s, v.x, v.y, v.z, v.w);
}
+/*
extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b)
{
uchar4 c;
@@ -304,6 +305,7 @@
uchar4 c = {color.x, color.y, color.z, color.w};
return c;
}
+*/
extern float4 rsUnpackColor8888(uchar4 c)
{