idk

include/slibs

@@ -0,0 +1 @@
+Subproject commit 112d98edcdd9780dbe101674568b9e6450e01d1a

src/main.c

@@ -5,10 +5,11 @@
 #include <math.h>
 
 #include <shaders/shader.glsl.h>
+#include <slibs/slibs.h>
 
 static struct {
     sg_pipeline pip;
-    sg_bindings bind;
+    sl_vec(sg_bindings*) bindings;
     sg_pass_action pass_action;
 } state;
 
@@ -23,6 +24,51 @@ static void init(void) {
         .logger.func = slog_func,
     });
 
+{
+    vertex_t vertices[] = {
+        {  1.0f,  1.0f, 0.0f, 1.0f * 32767, 1.0f * 32767 },   // top right
+        {  1.0f, -1.0f, 0.0f, 1.0f * 32767, 0.0f * 32767 },  // bottom right
+        { -1.0f, -1.0f, 0.0f, 0.0f * 32767, 0.0f * 32767 },  // bottom left
+        { -1.0f,  1.0f, 0.0f, 0.0f * 32767, 1.0f * 32767 }  // top left 
+    };
+
+    unsigned int indices[] = {  // note that we start from 0!
+        0, 1, 3,   // first triangle
+        1, 2, 3    // second triangle
+    };
+
+    sg_bindings* bind = calloc(1, sizeof(sg_bindings));
+    sl_vec_push(state.bindings, bind);
+    bind->vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
+        .data = SG_RANGE(vertices),
+        .label = "triangle-vertices"
+    });
+
+    bind->index_buffer = sg_make_buffer(&(sg_buffer_desc){
+        .type = SG_BUFFERTYPE_INDEXBUFFER,
+        .data = SG_RANGE(indices),
+        .label = "triangle-indices"
+    });
+
+    uint32_t pixels[2*2] = {
+        0xFF595959, 0xFF242424,
+        0xFF242424, 0xFF595959
+    };
+
+    bind->fs.images[SLOT_tex] = sg_make_image(&(sg_image_desc){
+        .width = 2,
+        .height = 2,
+        .data.subimage[0][0] = SG_RANGE(pixels),
+        .label = "triangle-texture",
+        .pixel_format = SG_PIXELFORMAT_BGRA8,
+    });
+
+    bind->fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
+        .label = "triangle-sampler"
+    });
+}
+
+{
     vertex_t vertices[] = {
         {  0.5f,  0.5f, 0.0f, 1.0f * 32767, 1.0f * 32767 },   // top right
         {  0.5f, -0.5f, 0.0f, 1.0f * 32767, 0.0f * 32767 },  // bottom right
@@ -35,35 +81,36 @@ static void init(void) {
         1, 2, 3    // second triangle
     };
 
-    state.bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
+    sg_bindings* bind = calloc(1, sizeof(sg_bindings));
+    sl_vec_push(state.bindings, bind);
+    bind->vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
         .data = SG_RANGE(vertices),
         .label = "triangle-vertices"
     });
 
-    state.bind.index_buffer = sg_make_buffer(&(sg_buffer_desc){
+    bind->index_buffer = sg_make_buffer(&(sg_buffer_desc){
         .type = SG_BUFFERTYPE_INDEXBUFFER,
         .data = SG_RANGE(indices),
         .label = "triangle-indices"
     });
 
-     uint32_t pixels[4*4] = {
+    uint32_t pixels[2 * 2] = {
-        0xFF000000, 0xFFFF00FF, 0xFF000000, 0xFFFF00FF,
+        0xFF242424, 0xFF595959,
-        0xFFFF00FF, 0xFF000000, 0xFFFF00FF, 0xFF000000,
+        0xFF595959, 0xFF242424,
-        0xFF000000, 0xFFFF00FF, 0xFF000000, 0xFFFF00FF,
-        0xFFFF00FF, 0xFF000000, 0xFFFF00FF, 0xFF000000,
     };
 
-    state.bind.fs.images[SLOT_tex] = sg_make_image(&(sg_image_desc){
+    bind->fs.images[SLOT_tex] = sg_make_image(&(sg_image_desc){
-        .width = 4,
+        .width = 2,
-        .height = 4,
+        .height = 2,
         .data.subimage[0][0] = SG_RANGE(pixels),
         .label = "triangle-texture",
-        .pixel_format = SG_PIXELFORMAT_RGBA8,
+        .pixel_format = SG_PIXELFORMAT_BGRA8,
     });
 
-    state.bind.fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
+    bind->fs.samplers[SLOT_smp] = sg_make_sampler(&(sg_sampler_desc){
         .label = "triangle-sampler"
     });
+}
 
     sg_shader shd = sg_make_shader(triangle_shader_desc(sg_query_backend()));
 
@@ -89,8 +136,10 @@ static void init(void) {
 void frame(void) {
     sg_begin_pass(&(sg_pass){ .action = state.pass_action, .swapchain = sglue_swapchain() });
     sg_apply_pipeline(state.pip);
-    sg_apply_bindings(&state.bind);
+    for(sl_vec_it(bind, state.bindings)) {
-    sg_draw(0, 6, 1);
+        sg_apply_bindings(*bind);
+        sg_draw(0, 6, 1);
+    }
     sg_end_pass();
     sg_commit();
 }
@@ -111,5 +160,4 @@ sapp_desc sokol_main(int argc, char* argv[]) {
         .icon.sokol_default = true,
         .logger.func = slog_func,
     };
-}
+}
-