blender/intern/cycles/kernel/kernel.cpp

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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* CPU kernel entry points */
#include "kernel.h"
#include "kernel_compat_cpu.h"
#include "kernel_math.h"
#include "kernel_types.h"
#include "kernel_globals.h"
#include "kernel_film.h"
#include "kernel_path.h"
#include "kernel_displace.h"
CCL_NAMESPACE_BEGIN
/* Globals */
KernelGlobals *kernel_globals_create()
{
KernelGlobals *kg = new KernelGlobals();
#ifdef WITH_OSL
kg->osl.use = false;
#endif
return kg;
}
void kernel_globals_free(KernelGlobals *kg)
{
delete kg;
}
/* OSL */
#ifdef WITH_OSL
void *kernel_osl_memory(KernelGlobals *kg)
{
return (void*)&kg->osl;
}
bool kernel_osl_use(KernelGlobals *kg)
{
return kg->osl.use;
}
#endif
/* Memory Copy */
void kernel_const_copy(KernelGlobals *kg, const char *name, void *host, size_t size)
{
if(strcmp(name, "__data") == 0)
memcpy(&kg->__data, host, size);
else
assert(0);
}
void kernel_tex_copy(KernelGlobals *kg, const char *name, device_ptr mem, size_t width, size_t height)
{
if(0) {
}
#define KERNEL_TEX(type, ttype, tname) \
else if(strcmp(name, #tname) == 0) { \
kg->tname.data = (type*)mem; \
kg->tname.width = width; \
}
#define KERNEL_IMAGE_TEX(type, ttype, tname)
#include "kernel_textures.h"
else if(strstr(name, "__tex_image_float")) {
texture_image_float4 *tex = NULL;
int id = atoi(name + strlen("__tex_image_float_"));
int array_index = id;
if (array_index >= 0 && array_index < MAX_FLOAT_IMAGES) {
tex = &kg->texture_float_images[array_index];
}
if(tex) {
tex->data = (float4*)mem;
tex->width = width;
tex->height = height;
}
}
else if(strstr(name, "__tex_image")) {
texture_image_uchar4 *tex = NULL;
int id = atoi(name + strlen("__tex_image_"));
int array_index = id - MAX_FLOAT_IMAGES;
if (array_index >= 0 && array_index < MAX_BYTE_IMAGES) {
tex = &kg->texture_byte_images[array_index];
}
if(tex) {
tex->data = (uchar4*)mem;
tex->width = width;
tex->height = height;
}
}
else
assert(0);
}
/* Path Tracing */
void kernel_cpu_path_trace(KernelGlobals *kg, float *buffer, unsigned int *rng_state, int sample, int x, int y, int offset, int stride)
{
kernel_path_trace(kg, buffer, rng_state, sample, x, y, offset, stride);
}
/* Tonemapping */
void kernel_cpu_tonemap(KernelGlobals *kg, uchar4 *rgba, float *buffer, int sample, int resolution, int x, int y, int offset, int stride)
{
kernel_film_tonemap(kg, rgba, buffer, sample, resolution, x, y, offset, stride);
}
/* Shader Evaluation */
void kernel_cpu_shader(KernelGlobals *kg, uint4 *input, float4 *output, int type, int i)
{
kernel_shader_evaluate(kg, input, output, (ShaderEvalType)type, i);
}
CCL_NAMESPACE_END