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Studiolight: Add SH2 cache 

- the result of the SH2-coeffiecients are stored in a bin file (3*9
floats). As the file is a local file we do not care about the
architecture.
- solved issue that also for internal lights the irradiance file were
stored. We don't want that as it could be in a not accessible location
This commit is contained in:
Jeroen Bakker 2018-06-19 08:48:01 +02:00
parent 7a3e037dc0
commit 65b3c7b72c
2 changed files with 61 additions and 40 deletions
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3
source/blender/blenkernel/BKE_studiolight.h
View File

@ -85,7 +85,8 @@ typedef struct StudioLight {
int flag;
char name[FILE_MAXFILE];
char path[FILE_MAX];
char *path_irr;
char *path_irr_cache;
char *path_sh2_cache;
int icon_id_irradiance;
int icon_id_radiance;
int icon_id_matcap;

98
source/blender/blenkernel/intern/studiolight.c
View File

@ -65,42 +65,35 @@ static const char *STUDIOLIGHT_WORLD_FOLDER = "studiolights/world/";
static const char *STUDIOLIGHT_MATCAP_FOLDER = "studiolights/matcap/";
/* FUNCTIONS */
#define SAFE_MEM_FREEN(p) \
if (p) { \
MEM_freeN(p); \
p = NULL; \
}
#define SAFE_IMB_FREE(p) \
if (p) { \
IMB_freeImBuf(p); \
p = NULL; \
}
#define SAFE_GPU_TEXTURE_FREE(p) \
if (p) { \
GPU_texture_free(p); \
p = NULL; \
}
static void studiolight_free(struct StudioLight *sl)
{
for (int index = 0 ; index < 6 ; index ++) {
if (sl->radiance_cubemap_buffers[index] != NULL) {
IMB_freeImBuf(sl->radiance_cubemap_buffers[index]);
sl->radiance_cubemap_buffers[index] = NULL;
}
SAFE_IMB_FREE(sl->radiance_cubemap_buffers[index])
}
if (sl->equirectangular_radiance_gputexture) {
GPU_texture_free(sl->equirectangular_radiance_gputexture);
sl->equirectangular_radiance_gputexture = NULL;
}
if (sl->equirectangular_irradiance_gputexture) {
GPU_texture_free(sl->equirectangular_irradiance_gputexture);
sl->equirectangular_irradiance_gputexture = NULL;
}
if (sl->equirectangular_radiance_buffer) {
IMB_freeImBuf(sl->equirectangular_radiance_buffer);
sl->equirectangular_radiance_buffer = NULL;
}
if (sl->equirectangular_irradiance_buffer) {
IMB_freeImBuf(sl->equirectangular_irradiance_buffer);
sl->equirectangular_irradiance_buffer = NULL;
}
if (sl->path_irr) {
MEM_freeN(sl->path_irr);
sl->path_irr = NULL;
}
if (sl->gpu_matcap_3components) {
MEM_freeN(sl->gpu_matcap_3components);
sl->gpu_matcap_3components = NULL;
}
MEM_freeN(sl);
SAFE_GPU_TEXTURE_FREE(sl->equirectangular_radiance_gputexture);
SAFE_GPU_TEXTURE_FREE(sl->equirectangular_irradiance_gputexture);
SAFE_IMB_FREE(sl->equirectangular_radiance_buffer)
SAFE_IMB_FREE(sl->equirectangular_irradiance_buffer)
SAFE_MEM_FREEN(sl->path_irr_cache);
SAFE_MEM_FREEN(sl->path_sh2_cache);
SAFE_MEM_FREEN(sl->gpu_matcap_3components);
SAFE_MEM_FREEN(sl);
}
static struct StudioLight *studiolight_create(int flag)
@ -108,7 +101,8 @@ static struct StudioLight *studiolight_create(int flag)
struct StudioLight *sl = MEM_callocN(sizeof(*sl), __func__);
sl->path[0] = 0x00;
sl->name[0] = 0x00;
sl->path_irr = NULL;
sl->path_irr_cache = NULL;
sl->path_sh2_cache = NULL;
sl->flag = flag;
sl->index = BLI_listbase_count(&studiolights);
if (flag & STUDIOLIGHT_ORIENTATION_VIEWNORMAL) {
@ -468,8 +462,14 @@ static void studiolight_calculate_diffuse_light(StudioLight *sl)
print_v3("SH2", sl->spherical_harmonics_coefs[comp]);
#endif
}
if (sl->flag & STUDIOLIGHT_USER_DEFINED) {
FILE *fp = BLI_fopen(sl->path_sh2_cache, "wb");
if (fp) {
fwrite(sl->spherical_harmonics_coefs, sizeof(sl->spherical_harmonics_coefs), 1, fp);
fclose(fp);
}
}
}
sl->flag |= STUDIOLIGHT_SPHERICAL_HARMONICS_COEFFICIENTS_CALCULATED;
}
@ -554,7 +554,7 @@ static bool studiolight_load_irradiance_equirectangular_image(StudioLight *sl)
{
if (sl->flag & STUDIOLIGHT_EXTERNAL_FILE) {
ImBuf *ibuf = NULL;
ibuf = IMB_loadiffname(sl->path_irr, 0, NULL);
ibuf = IMB_loadiffname(sl->path_irr_cache, 0, NULL);
if (ibuf) {
IMB_float_from_rect(ibuf);
sl->equirectangular_irradiance_buffer = ibuf;
@ -565,6 +565,23 @@ static bool studiolight_load_irradiance_equirectangular_image(StudioLight *sl)
return false;
}
static bool studiolight_load_spherical_harmonics_coefficients(StudioLight *sl)
{
if (sl->flag & STUDIOLIGHT_EXTERNAL_FILE) {
FILE *fp = BLI_fopen(sl->path_sh2_cache, "rb");
if (fp) {
if (fread((void*)(sl->spherical_harmonics_coefs), sizeof(sl->spherical_harmonics_coefs), 1, fp))
{
sl->flag |= STUDIOLIGHT_SPHERICAL_HARMONICS_COEFFICIENTS_CALCULATED;
fclose(fp);
return true;
}
fclose(fp);
}
}
return false;
}
static void studiolight_calculate_irradiance_equirectangular_image(StudioLight *sl)
{
if (sl->flag & STUDIOLIGHT_EXTERNAL_FILE) {
@ -592,8 +609,8 @@ static void studiolight_calculate_irradiance_equirectangular_image(StudioLight *
STUDIOLIGHT_IRRADIANCE_EQUIRECTANGULAR_HEIGHT);
MEM_freeN(colbuf);
if (sl->flag | STUDIOLIGHT_USER_DEFINED) {
IMB_saveiff(sl->equirectangular_irradiance_buffer, sl->path_irr, IB_rectfloat);
if (sl->flag & STUDIOLIGHT_USER_DEFINED) {
IMB_saveiff(sl->equirectangular_irradiance_buffer, sl->path_irr_cache, IB_rectfloat);
}
}
sl->flag |= STUDIOLIGHT_EQUIRECTANGULAR_IRRADIANCE_IMAGE_CALCULATED;
@ -649,7 +666,8 @@ static void studiolight_add_files_from_datafolder(const int folder_id, const cha
sl = studiolight_create(STUDIOLIGHT_EXTERNAL_FILE | flag);
BLI_strncpy(sl->name, filename, FILE_MAXFILE);
BLI_strncpy(sl->path, path, FILE_MAXFILE);
sl->path_irr = BLI_string_joinN(path, ".irr");
sl->path_irr_cache = BLI_string_joinN(path, ".irr");
sl->path_sh2_cache = BLI_string_joinN(path, ".sh2");
BLI_addtail(&studiolights, sl);
}
}
@ -949,7 +967,9 @@ void BKE_studiolight_ensure_flag(StudioLight *sl, int flag)
studiolight_calculate_radiance_cubemap_buffers(sl);
}
if ((flag & STUDIOLIGHT_SPHERICAL_HARMONICS_COEFFICIENTS_CALCULATED)) {
studiolight_calculate_diffuse_light(sl);
if (!studiolight_load_spherical_harmonics_coefficients(sl)) {
studiolight_calculate_diffuse_light(sl);
}
}
if ((flag & STUDIOLIGHT_EQUIRECTANGULAR_RADIANCE_GPUTEXTURE)) {
studiolight_create_equirectangular_radiance_gputexture(sl);