void csr_rt_save_tga( csr_target *rt, const char *path, u32 offset, u32 nc );
+void csr_rt_save_c32f( csr_target *rt, const char *path, u32 offset );
// Obsolete
+__attribute__ ((deprecated))
void csr_rt_save_buffers( csr_target *rt, const char *basename, const char *subname );
// Implementation
free( image );
}
+// ALWAYS RGB32
+void csr_rt_save_c32f( csr_target *rt, const char *path, u32 offset )
+{
+ float *image = (float *)csr_malloc( rt->x*rt->y*3*sizeof(float) );
+
+ float contrib = 255.f/(float)rt->num_samples;
+
+ for( int i = 0; i < rt->x*rt->y; i ++ )
+ {
+ void *src = rt->colour + offset + i * rt->num_samples * rt->shader->stride;
+ float *dst = image + i*3;
+
+ v3_zero( dst );
+ for( int k = 0; k < rt->num_samples; k ++ )
+ {
+ v3_muladds( dst, (float *)(src + k*rt->shader->stride), contrib, dst );
+ }
+ }
+
+ csr_32f_write( path, rt->x, rt->y, image );
+ free( image );
+}
+
// Save floating point buffer to tga. Must be in range (0-1)
// Offset and stride are in bytes
void csr_rt_save_tga( csr_target *rt, const char *path, u32 offset, u32 nc )
float contrib = 255.f/(float)rt->num_samples;
- for( int y = 0; y < rt->y; y ++ )
+ for( int i = 0; i < rt->x*rt->y; i ++ )
{
- for( int x = 0; x < rt->x; x ++ )
+ void *src = rt->colour + offset + i * rt->num_samples * rt->shader->stride;
+ u8 *dst = image + i*4;
+
+ v4f accum = { 0.f, 0.f, 0.f, 0.f };
+
+ for( int k = 0; k < rt->num_samples; k ++ )
{
- u32 pixel_index = (y*rt->x + x);
+ float *src_sample = (float *)(src + k*rt->shader->stride);
- void *src = rt->colour + offset + pixel_index * rt->num_samples * rt->shader->stride;
- u8 *dst = image + pixel_index*4;
-
- v4f accum = { 0.f, 0.f, 0.f, 0.f };
-
- for( int k = 0; k < rt->num_samples; k ++ )
+ for( int j = 0; j < nc; j ++ )
{
- float *src_sample = (float *)(src + k*rt->shader->stride);
-
- for( int j = 0; j < nc; j ++ )
- {
- accum[ j ] += src_sample[ j ] * contrib;
- }
+ accum[ j ] += src_sample[ j ] * contrib;
}
-
- // TODO: Clamp this value
- dst[0] = accum[0];
- dst[1] = accum[1];
- dst[2] = accum[2];
- dst[3] = accum[3];
}
+
+ // TODO: Clamp this value
+ dst[0] = accum[0];
+ dst[1] = accum[1];
+ dst[2] = accum[2];
+ dst[3] = accum[3];
}
csr_tga_write( path, rt->x, rt->y, nc, image );