fixed error setting physicsFS options, uninitialized variable in shader and...

fixed error setting physicsFS options, uninitialized variable in shader and normalized attribution comments in shaders

assets/core_assets/shader/brdf.glsl

+// Based on: https://learnopengl.com/#!PBR/IBL/Specular-IBL
 
-// TODO: refactor and rewrite as required
 float DistributionGGX(vec3 N, vec3 H, float roughness) {
 	const float PI = 3.14159265359;
 

assets/core_assets/shader/light_directional.frag

@@ -140,10 +140,10 @@ float calc_avg_occluder(vec3 surface_lightspace, float search_area,
                         out int num_occluders) {
 	int shadowmap = int(model_uniforms.light_data2.r);
 
-	float depth_acc;
-	float depth_count;
+	float depth_acc=0;
+	float depth_count=0;
 	num_occluders = 0;
-#
+
 	float angle = random(vec4(surface_lightspace, global_uniforms.time.y));
 	float sin_angle = sin(angle);
 	float cos_angle = cos(angle);

assets/core_assets/shader/ssao.frag

@@ -2,6 +2,7 @@
 #extension GL_ARB_separate_shader_objects : enable
 #extension GL_ARB_shading_language_420pack : enable
 
+// Based on http://graphics.cs.williams.edu/papers/SAOHPG12/McGuire12SAO.pdf
 
 layout(location = 0) in Vertex_data {
 	vec2 tex_coords;
@@ -30,8 +31,6 @@ layout(push_constant) uniform Push_constants {
 #include "poisson.glsl"
 #include "random.glsl"
 
-// heavily based on http://graphics.cs.williams.edu/papers/SAOHPG12/McGuire12SAO.pdf
-
 vec3 to_view_space(ivec2 ss_p, int mip) {
 	vec2 uv = vec2(ss_p) / textureSize(depth_sampler, MIN_MIP);
 

assets/core_assets/shader/taa.frag

@@ -2,6 +2,10 @@
 #extension GL_ARB_separate_shader_objects : enable
 #extension GL_ARB_shading_language_420pack : enable
 
+// Based on:
+//   http://twvideo01.ubm-us.net/o1/vault/gdc2016/Presentations/Pedersen_LasseJonFuglsang_TemporalReprojectionAntiAliasing.pdf
+//   https://github.com/playdeadgames/temporal
+
 #include "global_uniforms.glsl"
 #include "normal_encoding.glsl"
 
@@ -83,10 +87,6 @@ vec3 prev_color_normalized(vec2 uv) {
 }
 
 void main() {
-	// based on:
-	//   http://twvideo01.ubm-us.net/o1/vault/gdc2016/Presentations/Pedersen_LasseJonFuglsang_TemporalReprojectionAntiAliasing.pdf
-	//   https://github.com/playdeadgames/temporal
-
 	mat4 reprojection_fov = constants.reprojection_fov;
 	vec2 offset = vec2(reprojection_fov[0][3], reprojection_fov[1][3]);
 	reprojection_fov[0][3] = 0;

dependencies/CMakeLists.txt

@@ -18,9 +18,9 @@ include(nuklear_interface.cmake)
 
 add_subdirectory(magic_get)
 
-SET(PHYSFS_INTERNAL_ZLIB TRUE)
-SET(PHYSFS_ARCHIVE_7Z FALSE)
-SET(PHYSFS_BUILD_SHARED FALSE)
+SET(PHYSFS_INTERNAL_ZLIB TRUE CACHE BOOL "" FORCE)
+SET(PHYSFS_ARCHIVE_7Z FALSE CACHE BOOL "" FORCE)
+SET(PHYSFS_BUILD_SHARED FALSE CACHE BOOL "" FORCE)
 add_subdirectory(physfs)
 
 add_subdirectory(sdl_vulkan)