* tzsl: tz::debug::assert no longer internally prints to the vulkan c…

…allback unless the condition is false. This means that the overhead of asserting within a shader is now very small if the assert succeeds, whereas previously it was massive because it was internally printing every single time, now it just does an if

test/gl/shaders/shader_test.compute.tzsl

@@ -46,12 +46,12 @@ void math_tests()
 	tz::debug::assert(tz::math::clamp(2.5f, 1.0f, 2.0f) == 2.0f);
 
 	tz::debug::assert(tz::math::distance(vec2(0.0f, 0.0f), vec2(0.0f, 0.0f)) == 0.0f);
-	tz::debug::assert(tz::math::dot(vec2(2.0f, 0.0f), vec2(2.0f, 0.0f)) == 2.0f);
+	tz::debug::assert(tz::math::dot(vec2(2.0f, 0.0f), vec2(2.0f, 0.0f)) == 4.0f);
 
 	tz::debug::assert(tz::math::ln(tz::math::exp(2.0f)) == 2.0f);
 	tz::debug::assert(tz::math::log(tz::math::exp2(2.0f)) == 2.0f);
 
-	tz::debug::assert(tz::math::sqrt(3.0f) == (1.0f / tz::math::inverse_sqrt(3.0f)));
+	tz::debug::assert(tz::math::inverse_sqrt(3.0f) == (1.0f / tz::math::sqrt(3.0f)));
 
 	tz::debug::assert(!tz::math::is_infinity(1.0f));
 	tz::debug::assert(!tz::math::is_nan(1.0f));

tools/tzslc/shaders/debug.tzsl

@@ -47,7 +47,7 @@
 
 #if TZ_VULKAN && TZ_DEBUG
 	// tz::debug::printf(...) implemented via compiler magic. Assume it's here.
-	#define tz::debug::assert(expr) debugPrintfEXT("TZ_GPUASSERT(%d,%d): Assert failure on line %d.", expr, TZ_SHADER_STAGE, __LINE__ + 1)
+	#define tz::debug::assert(expr) if(!(expr)){debugPrintfEXT("TZ_GPUASSERT(0,%d): Assert failure on line %d.", TZ_SHADER_STAGE, __LINE__ + 1);}
 #else
 	#define debugPrintfEXT //
 	#define tz::debug::assert //