sokol_gfx.h: implement sg_query_pass_desc()

2 files changed, 62 insertions, 0 deletions

diff --git a/sokol_gfx.h b/sokol_gfx.h
index 6300382b..2847a386 100644
--- a/sokol_gfx.h
+++ b/sokol_gfx.h
@@ -16973,6 +16973,24 @@ SOKOL_API_IMPL sg_pipeline_desc sg_query_pipeline_desc(sg_pipeline pip_id) {
     return desc;
 }
 
+SOKOL_API_IMPL sg_pass_desc sg_query_pass_desc(sg_pass pass_id) {
+    SOKOL_ASSERT(_sg.valid);
+    sg_pass_desc desc;
+    _sg_clear(&desc, sizeof(desc));
+    const _sg_pass_t* pass = _sg_lookup_pass(&_sg.pools, pass_id.id);
+    if (pass) {
+        for (int i = 0; i < pass->cmn.num_color_atts; i++) {
+            desc.color_attachments[i].image = pass->cmn.color_atts[i].image_id;
+            desc.color_attachments[i].mip_level = pass->cmn.color_atts[i].mip_level;
+            desc.color_attachments[i].slice = pass->cmn.color_atts[i].slice;
+        }
+        desc.depth_stencil_attachment.image = pass->cmn.ds_att.image_id;
+        desc.depth_stencil_attachment.mip_level = pass->cmn.ds_att.mip_level;
+        desc.depth_stencil_attachment.slice = pass->cmn.ds_att.slice;
+    }
+    return desc;
+}
+
 SOKOL_API_IMPL sg_buffer_desc sg_query_buffer_defaults(const sg_buffer_desc* desc) {
     SOKOL_ASSERT(_sg.valid && desc);
     return _sg_buffer_desc_defaults(desc);
diff --git a/tests/functional/sokol_gfx_test.c b/tests/functional/sokol_gfx_test.c
index 4ab88e4c..f0fb5501 100644
--- a/tests/functional/sokol_gfx_test.c
+++ b/tests/functional/sokol_gfx_test.c
@@ -1060,6 +1060,50 @@ UTEST(sokol_gfx, query_pipeline_desc) {
     sg_shutdown();
 }
 
+UTEST(sokol_gfx, query_pass_desc) {
+    setup(&(sg_desc){0});
+
+    const sg_image_desc color_img_desc = {
+        .render_target = true,
+        .width = 128,
+        .height = 128,
+    };
+    const sg_image_desc depth_img_desc = {
+        .render_target = true,
+        .width = 128,
+        .height = 128,
+        .pixel_format = SG_PIXELFORMAT_DEPTH,
+    };
+    sg_image color_img_0 = sg_make_image(&color_img_desc);
+    sg_image color_img_1 = sg_make_image(&color_img_desc);
+    sg_image color_img_2 = sg_make_image(&color_img_desc);
+    sg_image depth_img = sg_make_image(&depth_img_desc);
+
+    sg_pass p0 = sg_make_pass(&(sg_pass_desc){
+        .color_attachments = {
+            [0].image = color_img_0,
+            [1].image = color_img_1,
+            [2].image = color_img_2,
+        },
+        .depth_stencil_attachment.image = depth_img,
+    });
+    const sg_pass_desc p0_desc = sg_query_pass_desc(p0);
+    T(p0_desc.color_attachments[0].image.id == color_img_0.id);
+    T(p0_desc.color_attachments[0].mip_level == 0);
+    T(p0_desc.color_attachments[0].slice == 0);
+    T(p0_desc.color_attachments[1].image.id == color_img_1.id);
+    T(p0_desc.color_attachments[1].mip_level == 0);
+    T(p0_desc.color_attachments[1].slice == 0);
+    T(p0_desc.color_attachments[2].image.id == color_img_2.id);
+    T(p0_desc.color_attachments[2].mip_level == 0);
+    T(p0_desc.color_attachments[2].slice == 0);
+    T(p0_desc.depth_stencil_attachment.image.id == depth_img.id);
+    T(p0_desc.depth_stencil_attachment.mip_level == 0);
+    T(p0_desc.depth_stencil_attachment.slice == 0);
+
+    sg_shutdown();
+}
+
 UTEST(sokol_gfx, buffer_resource_states) {
     setup(&(sg_desc){0});
     sg_buffer buf = sg_alloc_buffer();