Adopt zero-length interface members from Objectively

.github/copilot-instructions.md

@@ -45,7 +45,7 @@ typedef struct FooInterface FooInterface;
  */
 struct Foo {
     Bar bar;                   // superclass is always first
-    FooInterface *interface;   // @protected
+    FooInterface *interface[0];   // @protected
     int publicField;
     SomeType *privateField;    // @private
 };
@@ -130,7 +130,6 @@ Class *_Foo(void) {
             .name = "Foo",
             .superclass = _Bar(),
             .instanceSize = sizeof(Foo),
-            .interfaceOffset = offsetof(Foo, interface),
             .interfaceSize = sizeof(FooInterface),
             .initialize = initialize,
         });

Sources/ObjectivelyGPU/Buffer.c

@@ -180,7 +180,6 @@ Class *_Buffer(void) {
       .name            = "Buffer",
       .superclass      = _Object(),
       .instanceSize    = sizeof(Buffer),
-      .interfaceOffset = offsetof(Buffer, interface),
       .interfaceSize   = sizeof(BufferInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/Buffer.h

@@ -66,10 +66,10 @@ struct Buffer {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  BufferInterface *interface;
+  BufferInterface *interface[0];
 
   /**
    * @brief The underlying SDL buffer.

Sources/ObjectivelyGPU/CommandBuffer.c

@@ -362,7 +362,6 @@ Class *_CommandBuffer(void) {
       .name            = "CommandBuffer",
       .superclass      = _Object(),
       .instanceSize    = sizeof(CommandBuffer),
-      .interfaceOffset = offsetof(CommandBuffer, interface),
       .interfaceSize   = sizeof(CommandBufferInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/CommandBuffer.h

@@ -86,10 +86,10 @@ struct CommandBuffer {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  CommandBufferInterface *interface;
+  CommandBufferInterface *interface[0];
 
   /**
    * @brief The underlying SDL command buffer.

Sources/ObjectivelyGPU/ComputePass.c

@@ -154,7 +154,6 @@ Class *_ComputePass(void) {
       .name            = "ComputePass",
       .superclass      = _Object(),
       .instanceSize    = sizeof(ComputePass),
-      .interfaceOffset = offsetof(ComputePass, interface),
       .interfaceSize   = sizeof(ComputePassInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/ComputePass.h

@@ -61,10 +61,10 @@ struct ComputePass {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  ComputePassInterface *interface;
+  ComputePassInterface *interface[0];
 
   /**
    * @brief The CommandBuffer this pass was begun from.

Sources/ObjectivelyGPU/ComputePipeline.c

@@ -97,7 +97,6 @@ Class *_ComputePipeline(void) {
       .name            = "ComputePipeline",
       .superclass      = _Object(),
       .instanceSize    = sizeof(ComputePipeline),
-      .interfaceOffset = offsetof(ComputePipeline, interface),
       .interfaceSize   = sizeof(ComputePipelineInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/ComputePipeline.h

@@ -55,10 +55,10 @@ struct ComputePipeline {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  ComputePipelineInterface *interface;
+  ComputePipelineInterface *interface[0];
 
   /**
    * @brief The underlying SDL compute pipeline.

Sources/ObjectivelyGPU/CopyPass.c

@@ -204,7 +204,6 @@ Class *_CopyPass(void) {
       .name            = "CopyPass",
       .superclass      = _Object(),
       .instanceSize    = sizeof(CopyPass),
-      .interfaceOffset = offsetof(CopyPass, interface),
       .interfaceSize   = sizeof(CopyPassInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/CopyPass.h

@@ -60,10 +60,10 @@ struct CopyPass {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  CopyPassInterface *interface;
+  CopyPassInterface *interface[0];
 
   /**
    * @brief The CommandBuffer this pass was begun from.

Sources/ObjectivelyGPU/Fence.c

@@ -109,7 +109,6 @@ Class *_Fence(void) {
       .name            = "Fence",
       .superclass      = _Object(),
       .instanceSize    = sizeof(Fence),
-      .interfaceOffset = offsetof(Fence, interface),
       .interfaceSize   = sizeof(FenceInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/Fence.h

@@ -60,10 +60,10 @@ struct Fence {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  FenceInterface *interface;
+  FenceInterface *interface[0];
 
   /**
    * @brief The underlying SDL fence.

Sources/ObjectivelyGPU/Framebuffer.c

@@ -321,7 +321,6 @@ Class *_Framebuffer(void) {
       .name            = "Framebuffer",
       .superclass      = _Object(),
       .instanceSize    = sizeof(Framebuffer),
-      .interfaceOffset = offsetof(Framebuffer, interface),
       .interfaceSize   = sizeof(FramebufferInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/Framebuffer.h

@@ -182,10 +182,10 @@ struct Framebuffer {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  FramebufferInterface *interface;
+  FramebufferInterface *interface[0];
 
   /**
    * @brief The owning RenderDevice, used for texture allocation and dealloc.

Sources/ObjectivelyGPU/GraphicsPipeline.c

@@ -165,7 +165,6 @@ Class *_GraphicsPipeline(void) {
       .name            = "GraphicsPipeline",
       .superclass      = _Object(),
       .instanceSize    = sizeof(GraphicsPipeline),
-      .interfaceOffset = offsetof(GraphicsPipeline, interface),
       .interfaceSize   = sizeof(GraphicsPipelineInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/GraphicsPipeline.h

@@ -56,10 +56,10 @@ struct GraphicsPipeline {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  GraphicsPipelineInterface *interface;
+  GraphicsPipelineInterface *interface[0];
 
   /**
    * @brief The underlying SDL graphics pipeline.

Sources/ObjectivelyGPU/Makefile.am

@@ -49,7 +49,7 @@ libObjectivelyGPU_la_CFLAGS = \
     $(SDL3_CFLAGS)
 
 libObjectivelyGPU_la_LDFLAGS = \
-    -version-info 1:0:0 \
+    -release @RELEASE_VERSION@ \
     $(HOST_LDFLAGS)
 
 libObjectivelyGPU_la_LIBADD = \

Sources/ObjectivelyGPU/QueryPool.c

@@ -102,7 +102,6 @@ Class *_QueryPool(void) {
       .name            = "QueryPool",
       .superclass      = _Object(),
       .instanceSize    = sizeof(QueryPool),
-      .interfaceOffset = offsetof(QueryPool, interface),
       .interfaceSize   = sizeof(QueryPoolInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/QueryPool.h

@@ -91,10 +91,10 @@ struct QueryPool {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  QueryPoolInterface *interface;
+  QueryPoolInterface *interface[0];
 
   /**
    * @brief The underlying SDL query pool, or `NULL` if occlusion queries are

Sources/ObjectivelyGPU/RenderDevice.c

@@ -723,7 +723,6 @@ Class *_RenderDevice(void) {
       .name            = "RenderDevice",
       .superclass      = _Object(),
       .instanceSize    = sizeof(RenderDevice),
-      .interfaceOffset = offsetof(RenderDevice, interface),
       .interfaceSize   = sizeof(RenderDeviceInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/RenderDevice.h

@@ -68,10 +68,10 @@ struct RenderDevice {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  RenderDeviceInterface *interface;
+  RenderDeviceInterface *interface[0];
 
   /**
    * @brief The `SDL_GPUDevice`.

Sources/ObjectivelyGPU/RenderPass.c

@@ -328,7 +328,6 @@ Class *_RenderPass(void) {
       .name            = "RenderPass",
       .superclass      = _Object(),
       .instanceSize    = sizeof(RenderPass),
-      .interfaceOffset = offsetof(RenderPass, interface),
       .interfaceSize   = sizeof(RenderPassInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/RenderPass.h

@@ -62,10 +62,10 @@ struct RenderPass {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  RenderPassInterface *interface;
+  RenderPassInterface *interface[0];
 
   /**
    * @brief The current blend constants.

Sources/ObjectivelyGPU/Sampler.c

@@ -92,7 +92,6 @@ Class *_Sampler(void) {
       .name            = "Sampler",
       .superclass      = _Object(),
       .instanceSize    = sizeof(Sampler),
-      .interfaceOffset = offsetof(Sampler, interface),
       .interfaceSize   = sizeof(SamplerInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/Sampler.h

@@ -56,10 +56,10 @@ struct Sampler {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  SamplerInterface *interface;
+  SamplerInterface *interface[0];
 
   /**
    * @brief The underlying SDL sampler.

Sources/ObjectivelyGPU/Shader.c

@@ -94,7 +94,6 @@ Class *_Shader(void) {
       .name            = "Shader",
       .superclass      = _Object(),
       .instanceSize    = sizeof(Shader),
-      .interfaceOffset = offsetof(Shader, interface),
       .interfaceSize   = sizeof(ShaderInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/Shader.h

@@ -56,10 +56,10 @@ struct Shader {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  ShaderInterface *interface;
+  ShaderInterface *interface[0];
 
   /**
    * @brief The RenderDevice that owns this shader.

Sources/ObjectivelyGPU/Texture.c

@@ -312,7 +312,6 @@ Class *_Texture(void) {
       .name            = "Texture",
       .superclass      = _Object(),
       .instanceSize    = sizeof(Texture),
-      .interfaceOffset = offsetof(Texture, interface),
       .interfaceSize   = sizeof(TextureInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/Texture.h

@@ -65,10 +65,10 @@ struct Texture {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  TextureInterface *interface;
+  TextureInterface *interface[0];
 
   /**
    * @brief The underlying SDL texture.

Sources/ObjectivelyGPU/TransferBuffer.c

@@ -133,7 +133,6 @@ Class *_TransferBuffer(void) {
       .name            = "TransferBuffer",
       .superclass      = _Object(),
       .instanceSize    = sizeof(TransferBuffer),
-      .interfaceOffset = offsetof(TransferBuffer, interface),
       .interfaceSize   = sizeof(TransferBufferInterface),
       .initialize      = initialize,
     });

Sources/ObjectivelyGPU/TransferBuffer.h

@@ -64,10 +64,10 @@ struct TransferBuffer {
   Object object;
 
   /**
-   * @brief The interface.
+   * @brief The interface type.
    * @protected
    */
-  TransferBufferInterface *interface;
+  TransferBufferInterface *interface[0];
 
   /**
    * @brief The underlying SDL transfer buffer.

configure.ac

@@ -1,6 +1,7 @@
 AC_PREREQ(2.69)
 
-AC_INIT([ObjectivelyGPU], [1.0.0], [jay@jaydolan.com])
+AC_INIT([ObjectivelyGPU], [2.2.0], [jay@jaydolan.com])
+AC_SUBST([RELEASE_VERSION], [m4_bpatsubst(AC_PACKAGE_VERSION, [\.[0-9]*$], [])])
 
 AC_CONFIG_HEADERS([Sources/ObjectivelyGPU/Config.h])
 AC_CONFIG_MACRO_DIR([m4])
@@ -58,7 +59,7 @@ AM_CONDITIONAL([MINGW], [test "x$HOST_NAME" = "xMINGW"])
 AM_CONDITIONAL([LINUX], [test "x$HOST_NAME" = "xLINUX"])
 
 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4])
-PKG_CHECK_MODULES([OBJECTIVELY], [Objectively >= 2.0.0])
+PKG_CHECK_MODULES([OBJECTIVELY], [Objectively >= 2.2.0])
 PKG_CHECK_MODULES([SDL3], [sdl3 >= 3.2.0])
 
 AC_CONFIG_FILES([