Merge "Cleanup example code."

This commit is contained in:
Jason Sams
2011-09-13 14:11:11 -07:00
committed by Android (Google) Code Review
2 changed files with 10 additions and 20 deletions

View File

@@ -2,29 +2,26 @@
#include "ip.rsh"
void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32_t y) {
float4 *output = (float4 *)v_out;
void root(float4 *out, const void *usrData, uint32_t x, uint32_t y) {
const FilterStruct *fs = (const FilterStruct *)usrData;
const float4 *input = (const float4 *)rsGetElementAt(fs->ain, 0, y);
float3 blurredPixel = 0;
const float *gPtr = fs->gaussian;
if ((x > fs->radius) && (x < (fs->width - fs->radius))) {
const float4 *i = input + (x - fs->radius);
for (int r = -fs->radius; r <= fs->radius; r ++) {
const float4 *i = (const float4 *)rsGetElementAt(fs->ain, x + r, y);
blurredPixel += i->xyz * gPtr[0];
gPtr++;
i++;
}
} else {
for (int r = -fs->radius; r <= fs->radius; r ++) {
// Stepping left and right away from the pixel
int validW = rsClamp((int)x + r, (int)0, (int)(fs->width - 1));
blurredPixel += input[validW].xyz * gPtr[0];
int validX = rsClamp((int)x + r, (int)0, (int)(fs->width - 1));
const float4 *i = (const float4 *)rsGetElementAt(fs->ain, validX, y);
blurredPixel += i->xyz * gPtr[0];
gPtr++;
}
}
output->xyz = blurredPixel;
out->xyz = blurredPixel;
}

View File

@@ -55,27 +55,20 @@ void setGamma(float g) {
gamma = (float3)g;
}
//sliao
extern uchar3 __attribute__((overloadable)) convert2uchar3(float3 xyz);
void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32_t y) {
uchar4 *output = (uchar4 *)v_out;
void root(uchar4 *out, const void *usrData, uint32_t x, uint32_t y) {
const FilterStruct *fs = (const FilterStruct *)usrData;
const float4 *input = (const float4 *)rsGetElementAt(fs->ain, x, 0);
float3 blurredPixel = 0;
const float *gPtr = fs->gaussian;
if ((y > fs->radius) && (y < (fs->height - fs->radius))) {
const float4 *i = input + ((y - fs->radius) * fs->width);
for (int r = -fs->radius; r <= fs->radius; r ++) {
const float4 *i = (const float4 *)rsGetElementAt(fs->ain, x, y + r);
blurredPixel += i->xyz * gPtr[0];
gPtr++;
i += fs->width;
}
} else {
for (int r = -fs->radius; r <= fs->radius; r ++) {
int validH = rsClamp((int)y + r, (int)0, (int)(fs->height - 1));
const float4 *i = input + validH * fs->width;
const float4 *i = (const float4 *)rsGetElementAt(fs->ain, x, validH);
blurredPixel += i->xyz * gPtr[0];
gPtr++;
}
@@ -87,7 +80,7 @@ void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32
temp = pow(temp, (float3)gamma);
temp = clamp(temp * outWMinOutB + outBlack, 0.f, 255.f);
output->xyz = convert_uchar3(temp);
out->xyz = convert_uchar3(temp);
//output->w = input->w;
}