Merge "Disable sampler optimization until bugs are fixed." into jb-mr2-dev
diff --git a/driver/rsdSampler.cpp b/driver/rsdSampler.cpp
index c8c338f..a7923de 100644
--- a/driver/rsdSampler.cpp
+++ b/driver/rsdSampler.cpp
@@ -29,13 +29,16 @@
#include <GLES/glext.h>
#endif
+using namespace android;
+using namespace android::renderscript;
+
+#if 0
+
typedef float float2 __attribute__((ext_vector_type(2)));
typedef float float3 __attribute__((ext_vector_type(3)));
typedef float float4 __attribute__((ext_vector_type(4)));
typedef uint8_t uchar4 __attribute__((ext_vector_type(4)));
-using namespace android;
-using namespace android::renderscript;
#if defined(ARCH_ARM_HAVE_VFP)
#define LOCAL_CALL __attribute__((pcs("aapcs-vfp")))
@@ -43,6 +46,18 @@
#define LOCAL_CALL
#endif
+extern "C" {
+ typedef float4 Sampler2DFn(const uint8_t *p, size_t stride,
+ int lx, int ly, int nx, int ny,
+ float w0, float w1, float w2, float w3) LOCAL_CALL;
+
+ Sampler2DFn rsdCpuGetSample2D_L_k;
+ Sampler2DFn rsdCpuGetSample2D_A_k;
+ Sampler2DFn rsdCpuGetSample2D_LA_k;
+ Sampler2DFn rsdCpuGetSample2D_RGB_k;
+ Sampler2DFn rsdCpuGetSample2D_RGBA_k;
+}
+
// 565 Conversion bits taken from SkBitmap
#define SK_R16_BITS 5
#define SK_G16_BITS 6
@@ -217,6 +232,7 @@
}
+#if 1
static float4 LOCAL_CALL
getSample2D_A(const uint8_t *p, size_t stride,
int locX, int locY, int nextX, int nextY,
@@ -281,6 +297,7 @@
r *= (1.f / 255.f);
return r;
}
+#endif
static float4 getSample2D_565(const uint8_t *p, size_t stride,
int locX, int locY, int nextX, int nextY,
float w0, float w1, float w2, float w3) {
@@ -295,18 +312,6 @@
}
-extern "C" {
- typedef float4 Sampler2DFn(const uint8_t *p, size_t stride,
- int lx, int ly, int nx, int ny,
- float w0, float w1, float w2, float w3) LOCAL_CALL;
-
- Sampler2DFn rsdCpuGetSample2D_L_k;
- Sampler2DFn rsdCpuGetSample2D_A_k;
- Sampler2DFn rsdCpuGetSample2D_LA_k;
- Sampler2DFn rsdCpuGetSample2D_RGB_k;
- Sampler2DFn rsdCpuGetSample2D_RGBA_k;
-}
-
#if 0
static Sampler2DFn* GetBilinearSampleTable2D[] = {
0, 0, 0, 0, 0, 0, 0,
@@ -518,6 +523,54 @@
}
static float4
+ sample_LOD_LinearPixel_Clamp(Allocation *a, const Type *type,
+ RsDataKind dk, RsDataType dt,
+ Sampler *s, float u, float v, int32_t lod) {
+ const RsSamplerValue wrapS = s->mHal.state.wrapS;
+ const RsSamplerValue wrapT = s->mHal.state.wrapT;
+ const int sourceW = type->mHal.state.lodDimX[lod];
+ const int sourceH = type->mHal.state.lodDimY[lod];
+
+ float pixelU = u * (float)sourceW;
+ float pixelV = v * (float)sourceH;
+ int iPixelU = (int)pixelU;
+ int iPixelV = (int)pixelV;
+
+ float fracU = pixelU - iPixelU;
+ float fracV = pixelV - iPixelV;
+
+ if (fracU < 0.5f) {
+ iPixelU -= 1;
+ fracU += 0.5f;
+ } else {
+ fracU -= 0.5f;
+ }
+ if (fracV < 0.5f) {
+ iPixelV -= 1;
+ fracV += 0.5f;
+ } else {
+ fracV -= 0.5f;
+ }
+ float oneMinusFracU = 1.0f - fracU;
+ float oneMinusFracV = 1.0f - fracV;
+
+ float w1 = oneMinusFracU * oneMinusFracV;
+ float w2 = fracU * oneMinusFracV;
+ float w3 = oneMinusFracU * fracV;
+ float w4 = fracU * fracV;
+
+ int nextX = rsMax(0, rsMin(iPixelU + 1, sourceW - 1));
+ int nextY = rsMax(0, rsMin(iPixelV + 1, sourceH - 1));
+ int locX = rsMax(0, rsMin(iPixelU, sourceW - 1));
+ int locY = rsMax(0, rsMin(iPixelV, sourceH - 1));
+
+ const uint8_t *ptr = (const uint8_t *)a->mHal.drvState.lod[lod].mallocPtr;
+ size_t stride = a->mHal.drvState.lod[lod].stride;
+
+ return GetBilinearSampleTable2D[dk](ptr, stride, locX, locY, nextX, nextY, w1, w2, w3, w4);
+}
+
+static float4
sample_LOD_NearestPixel(Allocation *a, const Type *type,
RsDataKind dk, RsDataType dt,
Sampler *s,
@@ -670,6 +723,47 @@
}
+static float4 GenericSample2D_Clamp(Allocation *a, Sampler *s, float u, float v, float lod) {
+ const Type *type = a->getType();
+ const Element *elem = type->getElement();
+ const RsDataKind dk = elem->getKind();
+ const RsDataType dt = elem->getType();
+
+ if (!(a->mHal.state.usageFlags & RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE)) {
+ const Context *rsc = RsdCpuReference::getTlsContext();
+ rsc->setError(RS_ERROR_BAD_VALUE, "Sampling from texture witout USAGE_GRAPHICS_TEXTURE.");
+ return 0.f;
+ }
+
+ if (lod <= 0.0f) {
+ if (s->mHal.state.magFilter == RS_SAMPLER_NEAREST) {
+ return sample_LOD_NearestPixel(a, type, dk, dt, s, u, v, 0);
+ }
+ return sample_LOD_LinearPixel_Clamp(a, type, dk, dt, s, u, v, 0);
+ }
+
+ if (s->mHal.state.minFilter == RS_SAMPLER_LINEAR_MIP_NEAREST) {
+ int32_t maxLOD = type->mHal.state.lodCount - 1;
+ lod = rsMin(lod, (float)maxLOD);
+ int32_t nearestLOD = (int32_t)round(lod);
+ return sample_LOD_LinearPixel_Clamp(a, type, dk, dt, s, u, v, nearestLOD);
+ }
+
+ if (s->mHal.state.minFilter == RS_SAMPLER_LINEAR_MIP_LINEAR) {
+ int32_t lod0 = (int32_t)floor(lod);
+ int32_t lod1 = (int32_t)ceil(lod);
+ int32_t maxLOD = type->mHal.state.lodCount - 1;
+ lod0 = rsMin(lod0, maxLOD);
+ lod1 = rsMin(lod1, maxLOD);
+ float4 sample0 = sample_LOD_LinearPixel_Clamp(a, type, dk, dt, s, u, v, lod0);
+ float4 sample1 = sample_LOD_LinearPixel_Clamp(a, type, dk, dt, s, u, v, lod1);
+ float frac = lod - (float)lod0;
+ return sample0 * (1.0f - frac) + sample1 * frac;
+ }
+
+ return sample_LOD_NearestPixel(a, type, dk, dt, s, u, v, 0);
+}
+
// Must match pixel kind in rsDefines.h
@@ -756,11 +850,11 @@
0,
(void *) GenericSample1D, // YUV
- (void *) GenericSample2D, // L,
- (void *) GenericSample2D, // A,
- (void *) GenericSample2D, // LA,
+ (void *) GenericSample2D_Clamp, // L,
+ (void *) GenericSample2D_Clamp, // A,
+ (void *) GenericSample2D_Clamp, // LA,
(void *) GenericSample2D, // RGB,
- (void *) GenericSample2D, // RGBA,
+ (void *) GenericSample2D_Clamp, // RGBA,
0,
(void *) GenericSample2D, // YUV
};
@@ -802,8 +896,10 @@
0,
(void *) GenericSample2D, // YUV
};
+#endif
bool rsdSamplerInit(const Context *, const Sampler *s) {
+#if 0
s->mHal.drv = Generic;
if ((s->mHal.state.minFilter == s->mHal.state.magFilter) &&
@@ -862,7 +958,7 @@
}
}
-
+#endif
return true;
}