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-rw-r--r--img2
-rw-r--r--shader.frag2
-rw-r--r--sv.c151
-rw-r--r--vns.pngbin12268 -> 0 bytes
4 files changed, 15 insertions, 140 deletions
diff --git a/img b/img
index 97502f7..96ebb0a 100644
--- a/img
+++ b/img
@@ -6,5 +6,3 @@ void.png
/home/ch/images/art/20130113_164510.JPG
/home/ch/images/art/20171014_092615.JPG
/home/ch/images/art/20171202_151645.JPG
-vns.png
-vns-invert.png
diff --git a/shader.frag b/shader.frag
index 60d5e50..9d8d7fa 100644
--- a/shader.frag
+++ b/shader.frag
@@ -69,7 +69,7 @@ void main (void) {
coord = zoom(st(),1.0-0.5*(1.0-params[2]));
coord = translate(coord,vec2(-0.1,-0.1));
vec3 i2 = texture2D(images[2],coord).rgb;
- img.rgb = pow((1.0-2.3*img.rgb),1.0+(1.0-params[1])*2*i2);
+ img.rgb = 2.5*pow((1.0-2.3*img.rgb),1.0+(1.0-params[1])*2*i2);
}
else if (program == 2) {
coord = zoom(st(),1.0-0.5*(1.0-params[2]));
diff --git a/sv.c b/sv.c
index ba27f92..1a6b943 100644
--- a/sv.c
+++ b/sv.c
@@ -41,14 +41,7 @@ typedef struct Img {
} Image;
Image images[8];
-
-float params[4];
-
-int record = 0;
-int recording = 0;
-int fullscreen = 0;
-
-FILE* ffmpeg;
+GLfloat params[4];
static snd_seq_t *midi_seq;
static int midiin;
@@ -56,64 +49,11 @@ static int midiin;
int ticks =0;
int running = 0;
int program=0;
-int frame = 0;
-unsigned char buffer[1920*1080*4];
-struct arg_struct {
- unsigned char buffer[1920*1080*4];
- int frame;
-};
-
-void *screenshot(void * f) {
- unsigned char pixels[width*height*4];
- //time_t current_time = time(NULL);
- //char output_file[25];
- char output_file[20];
- //strftime(output_file, 25, "%Y-%m-%d_%H%M%S.png", localtime(&current_time));
- sprintf(output_file, "record/%i.png",*(int*)f);
- glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
-
- // Flip the image on Y
- int depth = 4;
- int row,col,z;
- stbi_uc temp;
- for (row = 0; row < (height>>1); row++) {
- for (col = 0; col < width; col++) {
- for (z = 0; z < depth; z++) {
- temp = pixels[(row * width + col) * depth + z];
- pixels[(row * width + col) * depth + z] = pixels[((height - row - 1) * width + col) * depth + z];
- pixels[((height - row - 1) * width + col) * depth + z] = temp;
- }
- }
- }
- printf("%s\n",output_file);
- if (0 == stbi_write_png(output_file, width, height, 4, pixels, width * 4)) { printf("can't create file %s",output_file); }
-}
-
-void *save(void * b) {
- //struct arg_struct args;
- //glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- char output_file[20];
- sprintf(output_file, "record/%i.png",frame);
- printf("%ix%i\n",width,height);
- printf("%s\n",output_file);
- int r = stbi_write_png(output_file, width, height, 4, buffer, width * 4);
- printf("%s\n",output_file);
- printf("%i\n",r);
- //struct arg_struct *args = arguments;
- //char output_file[20];
- //sprintf(output_file, "record/%i.png",frame);
- //printf("%s\n",output_file);
- //int r = stbi_write_png(output_file, width, height, 4, buffer, width * 4);
- //printf("%i\n",r);
- //if (0 == stbi_write_png(output_file, width, height, 4, buffer, width * 4)) { printf("can't create file %s",output_file); }
- return(NULL);
-}
static void error_callback(int error, const char* description) { fputs(description, stderr); }
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) {
if (key == GLFW_KEY_Q && action == GLFW_PRESS) glfwSetWindowShouldClose(window, GL_TRUE);
- //else if (key == GLFW_KEY_SPACE && action == GLFW_PRESS) screenshot();
}
const char * readShader(char * path) {
@@ -189,7 +129,6 @@ void resize_callback(GLFWwindow* window, int w, int h) {
void readImage(int i) {
images[i].new = 1;
-
int w,h,comp;
stbi_set_flip_vertically_on_load(1);
unsigned char* pixels = stbi_load(images[i].path, &w, &h, &comp, STBI_rgb_alpha);
@@ -202,10 +141,6 @@ void readImage(int i) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
- //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
- //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
- //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
stbi_image_free(pixels);
}
@@ -230,28 +165,10 @@ void *readMidi() {
}
else if(ev->type == SND_SEQ_EVENT_SONGPOS)
ticks = ev->data.control.value*24;
- else if(ev->type == SND_SEQ_EVENT_START) {
+ else if(ev->type == SND_SEQ_EVENT_START)
running = 1;
- if (record) {
- /*
- time_t current_time = time(NULL);
- char output_file[25];
- strftime(output_file, 25, "%Y-%m-%d_%H%M%S.mkv", localtime(&current_time));
- char cmd[250];
- sprintf(cmd, "ffmpeg -framerate 60 -f rawvideo -pix_fmt rgba -s %ix%i -i - -preset ultrafast -y -c:v libx264 -crf 0 -vf vflip %s",width,height,output_file);
- ffmpeg = popen(cmd, "w");
- */
- frame = 0;
- recording = 1;
- }
- }
- else if(ev->type == SND_SEQ_EVENT_STOP) {
+ else if(ev->type == SND_SEQ_EVENT_STOP)
running = 0;
- if (recording) {
- recording = 0;
- //pclose(ffmpeg);
- }
- }
else if(ev->type == SND_SEQ_EVENT_CONTINUE)
running = 1;
else if(ev->type == SND_SEQ_EVENT_CLOCK)
@@ -270,15 +187,6 @@ void *watchShader() {
int main(int argc, char **argv) {
- // parse options
- int opt;
- while ((opt = getopt(argc, argv, "rf")) != -1) {
- switch (opt) {
- case 'r': record = 1; fullscreen = 1; break;
- case 'f': fullscreen = 1; break;
- }
- }
-
for (int i = optind; i<argc; i++) {
strncpy(images[i-optind].path, argv[i],40);
images[i-optind].new = 1;
@@ -291,12 +199,8 @@ int main(int argc, char **argv) {
const GLFWvidmode * mode = glfwGetVideoMode(glfwGetPrimaryMonitor());
width = mode->width;
height = mode->height;
- if (fullscreen) {
- window = glfwCreateWindow(width,height, "", glfwGetPrimaryMonitor(), NULL);
- } else {
- window = glfwCreateWindow(width,height, "sv", NULL, NULL);
- glfwSetWindowSizeCallback(window, resize_callback);
- }
+ window = glfwCreateWindow(width,height, "sv", NULL, NULL);
+ glfwSetWindowSizeCallback(window, resize_callback);
glfwMakeContextCurrent(window);
glfwSetKeyCallback(window, key_callback);
glfwSetErrorCallback(error_callback);
@@ -312,6 +216,7 @@ int main(int argc, char **argv) {
glCreateTextures(GL_TEXTURE_2D,1,&backbuffer);
glTextureStorage2D(backbuffer,1,GL_RGBA32F,width,height);
glBindImageTexture(0,backbuffer, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
+
for (int i = 0; i<8; i++) {
readImage(i);
images[i].new = 0;
@@ -321,56 +226,28 @@ int main(int argc, char **argv) {
pthread_create(&midiin_t, NULL, readMidi, NULL);
pthread_t frag_t;
pthread_create(&frag_t, NULL, watchShader, NULL);
-
- int n = 0;
- printf("%ix%i\n",width,height);
+
while (!glfwWindowShouldClose(window)) {
+
if (shader.new) {
createShader();
glUniform2f(glGetUniformLocation(shader.id, "resolution"),width,height); // important!!
for (int i = 0; i<8; i++) { imageUniforms(i); }
shader.new = 0;
}
+
glUniform1f(glGetUniformLocation(shader.id, "time"),glfwGetTime());
glUniform1f(glGetUniformLocation(shader.id, "ticks"),(float)ticks);
glUniform1i(glGetUniformLocation(shader.id, "program"),program);
- for (int i = 0; i<4; i++) {
- glUniform1f(glGetUniformLocation(shader.id, "params")+i, params[i]);
- }
+ glUniform1fv(glGetUniformLocation(shader.id, "params"), 8, params);
- glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
- glfwSwapBuffers(window);
-
- if (recording) {
- /*
- pid_t pid = fork();
- if (pid == 0) {
- unsigned char buffer[width*height*4];
- //struct arg_struct args;
- glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- char output_file[20];
- sprintf(output_file, "record/%i.png",frame);
- printf("%s\n",output_file);
- int r = stbi_write_png(output_file, width, height, 4, buffer, width * 4);
- printf("%i\n",r);
- exit(EXIT_SUCCESS);
- }
- */
- //args.buffer = buffer;
- //args.frame = frame;
- glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
- pthread_t tid;
- pthread_create (&tid, NULL, save, NULL);
- pthread_detach (tid);
- //printf("%i\n",frame);
- frame++;
- //fwrite(buffer, sizeof(int)*width*height, 1, ffmpeg);
+ if (running) {
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ glfwSwapBuffers(window);
+ glfwPollEvents();
}
-
- glfwPollEvents();
}
- //if (recording) pclose(ffmpeg);
pthread_cancel(midiin_t);
pthread_cancel(frag_t);
glfwDestroyWindow(window);
diff --git a/vns.png b/vns.png
deleted file mode 100644
index 3b998d9..0000000
--- a/vns.png
+++ /dev/null
Binary files differ
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 21:47:39 +0000