Implement basic perf counters

1 files changed, 13 insertions, 0 deletions

diff --git a/include/swgfx.h b/include/swgfx.h
index 9c3361d..72164b1 100644
--- a/include/swgfx.h
+++ b/include/swgfx.h
@@ -22,6 +22,8 @@ Multi-threading:
 #include <stddef.h>
 #include <stdint.h>
 
+#define SWGFX_PROFILING 1 // TODO: Move this to client project cmake.
+
 typedef float R;
 
 typedef struct sgVec2i { int x, y; }       sgVec2i;
@@ -66,6 +68,15 @@ typedef struct sgImage {
 
 typedef struct swgfx swgfx;
 
+#if SWGFX_PROFILING
+typedef struct sgCounters {
+  uint64_t frames;     // Frames drawn.
+  uint64_t triangles3; // 3D triangles processed.
+  uint64_t triangles2; // 2D triangles processed.
+  uint64_t pixels;     // Pixels written.
+} sgCounters;
+#endif // SWGFX_PROFILING
+
 size_t sgMem(int width, int height); // Get memory requirements.
 swgfx* sgNew(int width, int height, void* mem);
 void   sgDel(swgfx**);
@@ -98,4 +109,6 @@ void sgTrianglesIndexedNonUniform(swgfx*, size_t numTris, const sgTriIdx* tris,
 void sgGamma   (swgfx*, sgPixel*, int width, int height);
 void sgGammaInv(swgfx*, sgPixel*, int width, int height);
 
+sgCounters sgGetCounters(const swgfx*);
+
 void sgCheck(swgfx*);