Make `gfx` compile to a DLL. (#1660)

* Make `gfx` compile to a DLL.

* Fix cuda

* Fix cuda build

* Bug gl screen capture bug.

1 files changed, 17 insertions, 2 deletions

diff --git a/tools/render-test/render-test-main.cpp b/tools/render-test/render-test-main.cpp
index 89bb25871..184373f0c 100644
--- a/tools/render-test/render-test-main.cpp
+++ b/tools/render-test/render-test-main.cpp
@@ -4,7 +4,7 @@
 
 #include "options.h"
 #include "render.h"
-#include "shader-cursor.h"
+#include "tools/gfx-util/shader-cursor.h"
 #include "slang-support.h"
 #include "surface.h"
 #include "png-serialize-util.h"
@@ -827,8 +827,23 @@ Result ShaderObjectRenderTestApp::writeBindingOutput(BindRoot* bindRoot, const c
 
 Result RenderTestApp::writeScreen(const char* filename)
 {
+    size_t rowPitch, bufferSize, pixelSize;
+    List<uint8_t> buffer;
+
+    SLANG_RETURN_ON_FAIL(m_renderer->captureScreenSurface(nullptr, &bufferSize, &rowPitch, &pixelSize));
+    buffer.setCount(bufferSize);
+    SLANG_RETURN_ON_FAIL(
+        m_renderer->captureScreenSurface(buffer.getBuffer(), &bufferSize, &rowPitch, &pixelSize));
+
     Surface surface;
-    SLANG_RETURN_ON_FAIL(m_renderer->captureScreenSurface(surface));
+    size_t width = rowPitch / pixelSize;
+    size_t height = bufferSize / rowPitch;
+    surface.setUnowned(
+        width,
+        height,
+        gfx::Format::RGBA_Unorm_UInt8,
+        rowPitch,
+        buffer.getBuffer());
     return PngSerializeUtil::write(filename, surface);
 }