add debug info

Makefile.dev

@@ -1,6 +1,6 @@
 TARGET ?= forge
 INSTALL_DIR ?= $(HOME)/.local/bin
-TEST_ARGS ?= --hot-reload --frag=./shaders --frag-config=./config/shaders.cfg --demo --monitor --internal-size=480
+TEST_ARGS ?= --frag=./shaders --frag-config=./config/shaders.cfg --monitor --internal-size=480
 SHELL := /bin/bash
 
 .PHONY: build
@@ -18,8 +18,13 @@ build:
 		-DGLFW_INCLUDE_NONE \
 		-o build/$(TARGET)
 
+.PHONY: run
 run: build
-	./build/$(TARGET) $(TEST_ARGS)
+	./build/$(TARGET) $(TEST_ARGS) --hot-reload
+
+.PHONY: demo
+demo: build
+	./build/$(TARGET) $(TEST_ARGS) --demo
 
 .PHONY: install
 install: build

shaders/frag0.glsl

@@ -1137,16 +1137,7 @@ subroutine(src_stage_sub) vec4 src_9(vec2 vUV, int seed)
 
     // logic
     
-    const int text[5] = {0x66, 0x70, 0x73, 0x00, 0x00};
-    vec2 uv2 = uv1 * 20;
-
-    float v = 0;
-
-    v += write_int(uv2, vec2(0.5, 0.5), iFPS, 3);
-
-    v += write_5(uv2, vec2(4.0, 0.5), text);
-
-    return vec4(v);
+    return texture(tex0, vUV);
 }
 
 // TODO SRC 10
@@ -1285,7 +1276,7 @@ subroutine(src_stage_sub) vec4 src_16(vec2 vUV, int seed)
         rect(uv2, vec2(0.55, 2), vec2(1.5, 0.1)) +
         rect(uv2, vec2(2, 1.55), vec2(0.1, 0.55)) +
         rect(uv2, vec2(7.5, 0), vec2(1.5, 0.1)) +
-        h_rect(uv2, vec2(-9, 5.1), vec2(1), 0.1);
+        h_rect(uv2, vec2(-9, -3.9), vec2(1), 0.1);
 
     // show selected src/fx
     f += char_at(uv2, vec2(-5.4, 1.45), hex_chars[selected_srca]);
@@ -1315,7 +1306,7 @@ subroutine(src_stage_sub) vec4 src_16(vec2 vUV, int seed)
     f += (selected_srcb == 0 || selected_srcb % 5 != 0 && selected_srcb >= 8) ? rect(uv2, vec2(-6.5, -2), vec2(0.5, 0.1)) + rect(uv2, vec2(0, -4), vec2(7, 0.1)) + rect(uv2, vec2(-7, -3), vec2(0.1, 1.1)) + rect(uv2, vec2(7, -2), vec2(0.1, 2.1)) : 0;
 
     // show page
-    f += char_at(uv2, vec2(-9.2, 4.3), hex_chars[page]);
+    f += char_at(uv2, vec2(-9.2, -4.3), hex_chars[page]);
 
     // show fx values
     f = mix(f, 1 - f, rect(uv2, vec2(-2, 1.1 + 0.9 * fxa_value), vec2(0.9, 0.9 * fxa_value)));

shaders/frag8.glsl

@@ -9,7 +9,7 @@ float s(vec2 uv, float x0, float y0) {
 step(-y0 - 1, -uv.y);
 }
 
-const int texts[8][5] = {
+const int texts[11][5] = {
     {0x49, 0x4E, 0x20, 0x41, 0x00}, // IN A
     {0x49, 0x4E, 0x20, 0x42, 0x00}, // IN B
     {0x53, 0x52, 0x43, 0x20, 0x41}, // SRC A
@@ -18,6 +18,9 @@ const int texts[8][5] = {
     {0x46, 0x58, 0x20, 0x42, 0x00}, // FX B
     {0x41, 0x2B, 0x42, 0x00, 0x00}, // A+B
     {0x4D, 0x46, 0x58, 0x00, 0x00}, // MFX
+    {0x46, 0x50, 0x53, 0x00, 0x00}, // FPS
+    {0x54, 0x45, 0x4D, 0x50, 0x4F}, // TEMPO
+    {0x54, 0x49, 0x4D, 0x45, 0x00}, // TIME
 };
 
 void main() {
@@ -51,5 +54,14 @@ void main() {
     t += write_5(uv3, vec2(-17,8), texts[6]);
     t += write_5(uv3, vec2(19,8), texts[7]);
 
+    t += write_5(uv3, vec2(-23,8), texts[8]);
+    t += write_int(uv3, vec2(-27,8), iFPS, 3);
+    
+    t += write_5(uv3, vec2(-23,6), texts[9]);
+    t += write_int(uv3, vec2(-27,6), int(iTempo), 3);
+
+    t += write_5(uv3, vec2(-23,4), texts[10]);
+    t += write_int(uv3, vec2(-29,4), int(iTime), 5);
+
     fragColor = mix(c, 1 - c, t);
 }

src/forge.c

@@ -54,12 +54,10 @@ static void init_context(ShaderProgram program, Context *context,
 
   size = program.frag_count * program.sub_type_count;
   context->sub_state = malloc(size * sizeof(unsigned int));
-  memset(context->sub_state, 0, sizeof(&context->sub_state));
 
-  if (params.demo) {
   for (i = 0; i < size; i++) {
-      context->sub_state[i] = rand_uint(program.sub_variant_count);
-    }
+    context->sub_state[i] =
+        params.demo ? rand_uint(program.sub_variant_count) : 0;
   }
 
   context->seeds = malloc(program.frag_count * sizeof(unsigned int));

src/shaders.c

@@ -299,9 +299,6 @@ static void update_viewport(ShaderProgram program, Context context) {
   // viewport changed
   if (context.width != program.last_width ||
       context.height != program.last_height) {
-    // update viewport
-    glViewport(0, 0, context.width, context.height);
-
     // clean and resize all textures
     for (i = 0; i < program.tex_count; i++) {
       glActiveTexture(GL_TEXTURE0 + i);
@@ -327,12 +324,19 @@ static void use_program(ShaderProgram program, int i, bool output,
   glUseProgram(program.programs[i]);
 
   if (output) {
+    glViewport(0, 0, context.width, context.height);
+
     // use default framebuffer (output)
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
     // clear buffer
     glClear(GL_COLOR_BUFFER_BIT);
   } else {
+    glViewport(
+        0, 0,
+        (int)(context.internal_size * (float)context.width / context.height),
+        context.internal_size);
+
     // use memory framebuffer
     glBindFramebuffer(GL_FRAMEBUFFER, program.frame_buffers[i]);
     glDrawBuffer(GL_COLOR_ATTACHMENT0);