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Gif making controllable from script

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This commit is contained in:
John Alanbrook
2023-09-12 12:56:40 +00:00
parent 1ac0c7693d
commit 0763783284
3 changed files with 41 additions and 48 deletions
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2
source/engine/ffi.c
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@@ -1121,7 +1121,7 @@ JSValue duk_cmd(JSContext *js, JSValueConst this, int argc, JSValueConst *argv)
break;
case 131:
gif_rec_start(480, 320, 4, 8);
gif_rec_start(js2int(argv[1]), js2int(argv[2]), js2int(argv[3]), js2int(argv[4]));
break;
case 132:
str = JS_ToCString(js, argv[1]);

81
source/engine/render.c
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@@ -37,21 +37,30 @@ static struct {
} sg_gif;
static int gif_w = 359, gif_h = 320, cpf = 4, gif_depth = 4;
static int gif_rec = 0;
static double gif_timer = 0, gif_spf;
static char gif_buf[480*320*4];
static char frame_buf[1920*1080*4];
static struct {
int w;
int h;
int cpf;
int depth;
double timer;
double spf;
int rec;
char *buffer;
} gif;
MsfGifState gif_state = {};
void gif_rec_start(int w, int h, int cpf, int bitdepth)
{
gif_w = w;
gif_h = h;
gif_depth = bitdepth;
msf_gif_begin(&gif_state, gif_w, gif_h);
gif_spf = cpf/100.0;
gif_rec = 1;
gif_timer = appTime;
gif.w = w;
gif.h = h;
gif.depth = bitdepth;
msf_gif_begin(&gif_state, gif.w, gif.h);
gif.cpf = cpf;
gif.spf = cpf/100.0;
gif.rec = 1;
gif.timer = appTime;
if (gif.buffer) free(gif.buffer);
gif.buffer = malloc(gif.w*gif.h*4);
sg_destroy_image(sg_gif.img);
sg_destroy_image(sg_gif.depth);
@@ -59,14 +68,14 @@ void gif_rec_start(int w, int h, int cpf, int bitdepth)
sg_gif.img = sg_make_image(&(sg_image_desc){
.render_target = true,
.width = gif_w,
.height = gif_h,
.width = gif.w,
.height = gif.h,
});
sg_gif.depth = sg_make_image(&(sg_image_desc){
.render_target = true,
.width = gif_w,
.height = gif_h,
.width = gif.w,
.height = gif.h,
.pixel_format = SG_PIXELFORMAT_DEPTH_STENCIL
});
@@ -78,32 +87,14 @@ void gif_rec_start(int w, int h, int cpf, int bitdepth)
void gif_rec_end(char *path)
{
MsfGifResult gif = msf_gif_end(&gif_state);
if (gif.data) {
MsfGifResult gif_res = msf_gif_end(&gif_state);
if (gif_res.data) {
FILE *f = fopen(path, "wb");
fwrite(gif.data, gif.dataSize, 1, f);
fwrite(gif_res.data, gif_res.dataSize, 1, f);
fclose(f);
}
msf_gif_free(gif);
gif_rec = 0;
}
static void *read_texture_data(sg_image id, void *pixels)
{
#ifdef _SOKOL_ANY_GL
sg_image_desc desc = sg_query_image_desc(id);
int w = desc.width, h = desc.height;
_sg_image_t *img = _sg_lookup_image(&_sg.pools, id.id);
const GLenum gl_img_format = _sg_gl_teximage_format(img->cmn.pixel_format);
const GLenum gl_img_type = _sg_gl_teximage_type(img->cmn.pixel_format);
GLenum gl_img_target = img->gl.target;
GLuint gl_img_level = 0;
glGetTexImage(gl_img_target, 0, gl_img_format, gl_img_type, pixels);
return pixels;
#else
YughWarn("NO GL");
return NULL;
#endif
msf_gif_free(gif_res);
gif.rec = 0;
}
#include "sokol/sokol_app.h"
@@ -471,17 +462,16 @@ void openglRender(struct window *window) {
sg_end_pass();
if (gif_rec && (appTime - gif_timer) > gif_spf) {
if (gif.rec && (appTime - gif.timer) > gif.spf) {
sg_begin_pass(sg_gif.pass, &pass_action);
sg_apply_pipeline(sg_gif.pipe);
sg_apply_bindings(&crt_post.bind);
sg_draw(0,6,1);
sg_end_pass();
gif_timer = appTime;
//read_texture_data(sg_gif.img, gif_buf);
sg_query_image_pixels(sg_gif.img, gif_buf, gif_w*gif_h*4);
msf_gif_frame(&gif_state, gif_buf, cpf, gif_depth, gif_w * -4);
gif.timer = appTime;
sg_query_image_pixels(sg_gif.img, gif.buffer, gif.w*gif.h*4);
msf_gif_frame(&gif_state, gif.buffer, gif.cpf, gif.depth, gif.w * -4);
}
sg_begin_default_pass(&pass_action, window->width, window->height);
@@ -489,8 +479,11 @@ void openglRender(struct window *window) {
sg_apply_bindings(&crt_post.bind);
sg_draw(0,6,1);
sg_end_pass();
sg_commit();
debug_newframe();