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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* OpenCL base kernels entry points */
#include "kernel/kernel_compat_opencl.h"
#include "kernel/kernel_types.h"
#include "kernel/kernel_globals.h"
#include "kernel/kernel_film.h"
__kernel void kernel_ocl_convert_to_byte(
ccl_constant KernelData *data,
ccl_global uchar4 *rgba,
ccl_global float *buffer,
KERNEL_BUFFER_PARAMS,
float sample_scale,
int sx, int sy, int sw, int sh, int offset, int stride)
{
KernelGlobals kglobals, *kg = &kglobals;
kg->data = data;
kernel_set_buffer_pointers(kg, KERNEL_BUFFER_ARGS);
kernel_set_buffer_info(kg);
int x = sx + ccl_global_id(0);
int y = sy + ccl_global_id(1);
if(x < sx + sw && y < sy + sh)
kernel_film_convert_to_byte(kg, rgba, buffer, sample_scale, x, y, offset, stride);
}
__kernel void kernel_ocl_convert_to_half_float(
ccl_constant KernelData *data,
ccl_global uchar4 *rgba,
ccl_global float *buffer,
KERNEL_BUFFER_PARAMS,
float sample_scale,
int sx, int sy, int sw, int sh, int offset, int stride)
{
KernelGlobals kglobals, *kg = &kglobals;
kg->data = data;
kernel_set_buffer_pointers(kg, KERNEL_BUFFER_ARGS);
kernel_set_buffer_info(kg);
int x = sx + ccl_global_id(0);
int y = sy + ccl_global_id(1);
if(x < sx + sw && y < sy + sh)
kernel_film_convert_to_half_float(kg, rgba, buffer, sample_scale, x, y, offset, stride);
}
__kernel void kernel_ocl_zero_buffer(ccl_global float4 *buffer, uint64_t size, uint64_t offset)
{
size_t i = ccl_global_id(0) + ccl_global_id(1) * ccl_global_size(0);
if(i < size / sizeof(float4)) {
buffer[i+offset/sizeof(float4)] = make_float4(0.0f, 0.0f, 0.0f, 0.0f);
}
else if(i == size / sizeof(float4)) {
ccl_global uchar *b = (ccl_global uchar*)&buffer[i+offset/sizeof(float4)];
for(i = 0; i < size % sizeof(float4); i++) {
*(b++) = 0;
}
}
}
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