[Libclc-dev] [PATCH] Add image attribute getter builtins

[Zoltan Gilian]

Added get_image_* OpenCL builtins to the headers along with a dummy
implementation. The builtins need to be replaced by the compiler.
---
 generic/include/clc/clc.h         |  4 +++
 generic/include/clc/image/image.h | 16 ++++++++++++
 generic/lib/SOURCES               |  1 +
 generic/lib/image/image.cl        | 54 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 75 insertions(+)
 create mode 100644 generic/include/clc/image/image.h
 create mode 100644 generic/lib/image/image.cl

diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
index cab751d..5848a98 100644
--- a/generic/include/clc/clc.h
+++ b/generic/include/clc/clc.h
@@ -180,6 +180,10 @@
 #include <clc/atomic/atomic_xchg.h>
 #include <clc/atomic/atomic_xor.h>
 
+/* 6.11.13 Image Read and Write Functions */
+
+#include <clc/image/image.h>
+
 /* cl_khr_global_int32_base_atomics Extension Functions */
 #include <clc/cl_khr_global_int32_base_atomics/atom_add.h>
 #include <clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h>
diff --git a/generic/include/clc/image/image.h b/generic/include/clc/image/image.h
new file mode 100644
index 0000000..23d2367
--- /dev/null
+++ b/generic/include/clc/image/image.h
@@ -0,0 +1,16 @@
+_CLC_OVERLOAD _CLC_DEF int get_image_width (image2d_t image);
+_CLC_OVERLOAD _CLC_DEF int get_image_width (image3d_t image);
+
+_CLC_OVERLOAD _CLC_DEF int get_image_height (image2d_t image);
+_CLC_OVERLOAD _CLC_DEF int get_image_height (image3d_t image);
+
+_CLC_OVERLOAD _CLC_DEF int get_image_depth (image3d_t image);
+
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_data_type (image2d_t image);
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_data_type (image3d_t image);
+
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_order (image2d_t image);
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_order (image3d_t image);
+
+_CLC_OVERLOAD _CLC_DEF int2 get_image_dim (image2d_t image);
+_CLC_OVERLOAD _CLC_DEF int4 get_image_dim (image3d_t image);
diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
index 1e63994..a284747 100644
--- a/generic/lib/SOURCES
+++ b/generic/lib/SOURCES
@@ -127,3 +127,4 @@ shared/vload.cl
 shared/vstore.cl
 workitem/get_global_id.cl
 workitem/get_global_size.cl
+image/image.cl
diff --git a/generic/lib/image/image.cl b/generic/lib/image/image.cl
new file mode 100644
index 0000000..0e89423
--- /dev/null
+++ b/generic/lib/image/image.cl
@@ -0,0 +1,54 @@
+#include <clc/clc.h>
+
+// An llvm pass will substitute these to the correct llvm register.
+// Use intrinsics to mark the places for substitution.
+int __clc_get_image_width_2d(image2d_t) __asm("llvm.opencl.image.get.width.2d");
+int __clc_get_image_width_3d(image3d_t) __asm("llvm.opencl.image.get.width.3d");
+int __clc_get_image_height_2d(image2d_t) __asm("llvm.opencl.image.get.height.2d");
+int __clc_get_image_height_3d(image3d_t) __asm("llvm.opencl.image.get.height.3d");
+int __clc_get_image_depth_3d(image3d_t) __asm("llvm.opencl.image.get.depth.3d");
+int __clc_get_image_channel_data_type_2d(image2d_t) __asm("llvm.opencl.image.get.channel_data_type.2d");
+int __clc_get_image_channel_data_type_3d(image3d_t) __asm("llvm.opencl.image.get.channel_data_type.3d");
+int __clc_get_image_channel_order_2d(image2d_t) __asm("llvm.opencl.image.get.channel_order.2d");
+int __clc_get_image_channel_order_3d(image3d_t) __asm("llvm.opencl.image.get.channel_order.3d");
+
+
+_CLC_OVERLOAD _CLC_DEF int get_image_width(image2d_t image) {
+  return __clc_get_image_width_2d(image);
+}
+_CLC_OVERLOAD _CLC_DEF int get_image_width(image3d_t image) {
+  return __clc_get_image_width_3d(image);
+}
+
+_CLC_OVERLOAD _CLC_DEF int get_image_height(image2d_t image) {
+  return __clc_get_image_height_2d(image);
+}
+_CLC_OVERLOAD _CLC_DEF int get_image_height(image3d_t image) {
+  return __clc_get_image_height_3d(image);
+}
+
+_CLC_OVERLOAD _CLC_DEF int get_image_depth(image3d_t image) {
+  return __clc_get_image_depth_3d(image);
+}
+
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_data_type(image2d_t image) {
+  return __clc_get_image_channel_data_type_2d(image);
+}
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_data_type(image3d_t image) {
+  return __clc_get_image_channel_data_type_3d(image);
+}
+
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_order(image2d_t image) {
+  return __clc_get_image_channel_order_2d(image);
+}
+_CLC_OVERLOAD _CLC_DEF int get_image_channel_order(image3d_t image) {
+  return __clc_get_image_channel_order_3d(image);
+}
+
+_CLC_OVERLOAD _CLC_DEF int2 get_image_dim (image2d_t image) {
+  return (int2)(get_image_width(image), get_image_height(image));
+}
+_CLC_OVERLOAD _CLC_DEF int4 get_image_dim (image3d_t image) {
+  return (int4)(get_image_width(image), get_image_height(image),
+                get_image_depth(image), 0);
+}
-- 
2.4.2