wyj/blackhole-ray-trace
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update: **buffer to *buffer[3]

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Yingjie Wang
2025-12-07 05:18:37 -05:00
parent e14214a92b
commit b3ccb2e930
4 changed files with 5 additions and 5 deletions
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2
src/render.c
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@@ -92,7 +92,7 @@ int pixel_render(const System *system, int i, int j, const Spline_data spline_da
return MC_pixel_render(system, i, j, spline_data, rgb, pixel_render_max, pixel_render_err, r); return MC_pixel_render(system, i, j, spline_data, rgb, pixel_render_max, pixel_render_err, r);
} }
int render(System *system, double **buffer, int pixel_render_max, double pixel_render_err, double chi_rela_err) { int render(System *system, double *buffer[3], int pixel_render_max, double pixel_render_err, double chi_rela_err) {
double h = (system->H)*(system->w)/(system->W); double h = (system->H)*(system->w)/(system->W);
double tanpsi2 = (system->w)*(system->w)+h*h; double tanpsi2 = (system->w)*(system->w)+h*h;
double cotpsi2 = 1/tanpsi2; double cotpsi2 = 1/tanpsi2;

2
src/render.h
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@@ -1,4 +1,4 @@
#include "common.h" #include "common.h"
#include "init.h" #include "init.h"
int render(System *system, double **buffer, int pixel_render_max, double pixel_render_err, double chi_rela_err); int render(System *system, double *buffer[3], int pixel_render_max, double pixel_render_err, double chi_rela_err);

4
src/write_png.c
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@@ -10,7 +10,7 @@ static inline double linear_to_srgb(double x){
return 1.055 * pow(x, 1.0/2.4) - 0.055; return 1.055 * pow(x, 1.0/2.4) - 0.055;
} }
int buffer_normalize_srgb(double **buffer, int W, int H) { int buffer_normalize_srgb(double *buffer[3], int W, int H) {
double max = 0; double max = 0;
for (int j = 0; j < H; j++) { for (int j = 0; j < H; j++) {
for (int i = 0; i < W; i++) { for (int i = 0; i < W; i++) {
@@ -31,7 +31,7 @@ int buffer_normalize_srgb(double **buffer, int W, int H) {
return 0; return 0;
} }
int write_png(char *filename, double **buffer, int W, int H) { int write_png(char *filename, double *buffer[3], int W, int H) {
buffer_normalize_srgb(buffer, W, H); buffer_normalize_srgb(buffer, W, H);
size_t bufsize = W*H*3; size_t bufsize = W*H*3;
uint8_t *img = (uint8_t *)malloc(bufsize); uint8_t *img = (uint8_t *)malloc(bufsize);

2
src/write_png.h
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@@ -1,3 +1,3 @@
int write_png(char *filename, double **buffer, int W, int H); int write_png(char *filename, double *buffer[3], int W, int H);