// Filter is optional, it can be st to NULL to just render everything.
void csr_vmf_render( csr_target *rt, vmf_map *map, vdf_node *root, csr_filter *filter, m4x3f prev, m4x3f inst );
-
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
-void csr_rt_save_buffers( csr_target *rt, const char *basename, const char *subname );
// Implementation
//=======================================================================================================================
csr_update_subsamples( rt );
}
-void csr_write_txt( char const *path, const char *name, csr_target *rt )
-{
- FILE *write_ptr;
-
- write_ptr = fopen( path, "w" );
-
- fprintf( write_ptr, "\"%s\"\n\{\n", name );
- fprintf( write_ptr, "\t\"material\" \"overviews/%s\"\n", name );
- fprintf( write_ptr, "\t\"pos_x\" \"%.8f\"\n", rt->bounds[0][0] );
- fprintf( write_ptr, "\t\"pos_y\" \"%.8f\"\n", rt->bounds[0][1] );
- fprintf( write_ptr, "\t\"scale\" \"%.8f\"\n", rt->scale / (float)rt->x );
- fprintf( write_ptr, "}\n" );
-
- fclose( write_ptr );
-}
-
void simple_raster( csr_target *rt, vmf_vert tri[3] )
{
// Very very simplified rasterizing algorithm
solidgen_ctx_free( &solid );
}
-// Obsolete
-void csr_rt_save_buffers( csr_target *rt, const char *basename, const char *subname )
+void csr_write_filerr( const char *path )
+{
+ log_error( "File write error (No such file or directory): '%s'\n", path );
+}
+
+void csr_write_txt( char const *path, const char *name, csr_target *rt )
{
- char output[ 512 ];
+ FILE *write_ptr;
- float *image = (float *)csr_malloc( 1024*1024*sizeof(float)*3 );
+ write_ptr = fopen( path, "w" );
+
+ if( write_ptr )
+ {
+ fprintf( write_ptr, "\"%s\"\n\{\n", name );
+ fprintf( write_ptr, "\t\"material\" \"overviews/%s\"\n", name );
+ fprintf( write_ptr, "\t\"pos_x\" \"%.8f\"\n", rt->bounds[0][0] );
+ fprintf( write_ptr, "\t\"pos_y\" \"%.8f\"\n", rt->bounds[0][1] );
+ fprintf( write_ptr, "\t\"scale\" \"%.8f\"\n", rt->scale / (float)rt->x );
+ fprintf( write_ptr, "}\n" );
+
+ fclose( write_ptr );
+ }
+ else
+ {
+ csr_write_filerr( path );
+ }
+}
+
+// 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 = 1.f/(float)rt->num_samples;
- for( int l = 0; l < rt->x; l ++ )
+ for( int i = 0; i < rt->x*rt->y; i ++ )
{
- for( int x = 0; x < rt->y; x ++ )
+ 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 ++ )
{
- float *dst = &image[ (l*1024+x)*3 ];
- void *src = rt->colour + ((1023-l)*1024+x) * rt->num_samples * rt->shader->stride;
-
- v3_muls( (float *)src, contrib, dst );
-
- for( int j = 1; j < rt->num_samples; j ++ )
- {
- v3_muladds( dst, (float *)(src + j*rt->shader->stride), contrib, dst );
- }
+ v3_muladds( dst, (float *)(src + k*rt->shader->stride), contrib, dst );
}
}
- // Save position buffer
- strcpy( output, basename );
- strcat( output, "." );
- strcat( output, subname );
- strcat( output, "_position.pfm" );
- csr_32f_write( output, rt->x, rt->y, image );
-
+ if( !csr_32f_write( path, rt->x, rt->y, image ) )
+ csr_write_filerr( path );
+
free( image );
}
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 );
+ if( !csr_tga_write( path, rt->x, rt->y, nc, image ) )
+ csr_write_filerr( path );
+
free( image );
}