Cleanup GPU/Draw test cases.

In preparation of supporting vulkan. Draw/GPU tests should use
GPU_TEST or DRAW_TEST macros. These macros will run the test
on available drawing context backends like OpenGL or Vulkan.

As in master there is only an OpenGL backend nothing changed.

3 files changed, 31 insertions, 6 deletions

diff --git a/source/blender/gpu/tests/gpu_index_buffer_test.cc b/source/blender/gpu/tests/gpu_index_buffer_test.cc
index 78e351af7f1..9d767b58a7b 100644
--- a/source/blender/gpu/tests/gpu_index_buffer_test.cc
+++ b/source/blender/gpu/tests/gpu_index_buffer_test.cc
@@ -10,7 +10,7 @@
 
 namespace blender::gpu::tests {
 
-TEST_F(GPUTest, gpu_index_buffer_subbuilders)
+static void test_gpu_index_buffer_subbuilders()
 {
   const uint num_subbuilders = 10;
   const uint verts_per_subbuilders = 100;
@@ -44,4 +44,6 @@ TEST_F(GPUTest, gpu_index_buffer_subbuilders)
   GPU_INDEXBUF_DISCARD_SAFE(index_buffer);
 }
 
+GPU_TEST(gpu_index_buffer_subbuilders)
+
 }  // namespace blender::gpu::tests
diff --git a/source/blender/gpu/tests/gpu_shader_test.cc b/source/blender/gpu/tests/gpu_shader_test.cc
index e8645b89e41..43ff86ebbd8 100644
--- a/source/blender/gpu/tests/gpu_shader_test.cc
+++ b/source/blender/gpu/tests/gpu_shader_test.cc
@@ -18,7 +18,7 @@
 
 namespace blender::gpu::tests {
 
-TEST_F(GPUTest, gpu_shader_compute_2d)
+static void test_gpu_shader_compute_2d()
 {
 
   if (!GPU_compute_shader_support()) {
@@ -75,8 +75,9 @@ void main() {
   GPU_texture_free(texture);
   GPU_shader_free(shader);
 }
+GPU_TEST(gpu_shader_compute_2d)
 
-TEST_F(GPUTest, gpu_shader_compute_1d)
+static void test_gpu_shader_compute_1d()
 {
 
   if (!GPU_compute_shader_support()) {
@@ -137,8 +138,9 @@ void main() {
   GPU_texture_free(texture);
   GPU_shader_free(shader);
 }
+GPU_TEST(gpu_shader_compute_1d)
 
-TEST_F(GPUTest, gpu_shader_compute_vbo)
+static void test_gpu_shader_compute_vbo()
 {
 
   if (!GPU_compute_shader_support()) {
@@ -201,8 +203,9 @@ void main() {
   GPU_vertbuf_discard(vbo);
   GPU_shader_free(shader);
 }
+GPU_TEST(gpu_shader_compute_vbo)
 
-TEST_F(GPUTest, gpu_shader_compute_ibo)
+static void test_gpu_shader_compute_ibo()
 {
 
   if (!GPU_compute_shader_support()) {
@@ -258,8 +261,9 @@ void main() {
   GPU_indexbuf_discard(ibo);
   GPU_shader_free(shader);
 }
+GPU_TEST(gpu_shader_compute_ibo)
 
-TEST_F(GPUTest, gpu_shader_ssbo_binding)
+static void test_gpu_shader_ssbo_binding()
 {
   if (!GPU_compute_shader_support()) {
     /* We can't test as a the platform does not support compute shaders. */
@@ -297,5 +301,6 @@ void main() {
   GPU_shader_unbind();
   GPU_shader_free(shader);
 }
+GPU_TEST(gpu_shader_ssbo_binding)
 
 }  // namespace blender::gpu::tests
diff --git a/source/blender/gpu/tests/gpu_testing.hh b/source/blender/gpu/tests/gpu_testing.hh
index cf902a91264..c45770cb94e 100644
--- a/source/blender/gpu/tests/gpu_testing.hh
+++ b/source/blender/gpu/tests/gpu_testing.hh
@@ -15,13 +15,31 @@ namespace blender::gpu {
  */
 class GPUTest : public ::testing::Test {
  private:
+  GHOST_TDrawingContextType draw_context_type = GHOST_kDrawingContextTypeNone;
   GHOST_SystemHandle ghost_system;
   GHOST_ContextHandle ghost_context;
   struct GPUContext *context;
 
  protected:
+  GPUTest(GHOST_TDrawingContextType draw_context_type) : draw_context_type(draw_context_type)
+  {
+  }
+
   void SetUp() override;
   void TearDown() override;
 };
 
+class GPUOpenGLTest : public GPUTest {
+ public:
+  GPUOpenGLTest() : GPUTest(GHOST_kDrawingContextTypeOpenGL)
+  {
+  }
+};
+
+#define GPU_TEST(test_name) \
+  TEST_F(GPUOpenGLTest, test_name) \
+  { \
+    test_##test_name(); \
+  }
+
 }  // namespace blender::gpu