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Diffstat (limited to '3rdparty/bgfx/examples/13-stencil/fs_stencil_texture_lightning.sc')
-rw-r--r--3rdparty/bgfx/examples/13-stencil/fs_stencil_texture_lightning.sc23
1 files changed, 12 insertions, 11 deletions
diff --git a/3rdparty/bgfx/examples/13-stencil/fs_stencil_texture_lightning.sc b/3rdparty/bgfx/examples/13-stencil/fs_stencil_texture_lightning.sc
index 59477469532..9ffe0ce9dc6 100644
--- a/3rdparty/bgfx/examples/13-stencil/fs_stencil_texture_lightning.sc
+++ b/3rdparty/bgfx/examples/13-stencil/fs_stencil_texture_lightning.sc
@@ -18,12 +18,12 @@ uniform vec4 u_lightPosRadius[MAX_NUM_LIGHTS];
uniform vec4 u_lightRgbInnerR[MAX_NUM_LIGHTS];
SAMPLER2D(u_texColor, 0);
-#define u_ambientPass u_params.x
-#define u_lightningPass u_params.y
-#define u_lightCount u_params.z
-#define u_lightIndex u_params.w
-#define u_specular u_specular_shininess.xyz
-#define u_shininess u_specular_shininess.w
+#define u_ambientPass u_params.x
+#define u_lightingPass u_params.y
+#define u_lightCount u_params.z
+#define u_lightIndex u_params.w
+#define u_specular u_specular_shininess.xyz
+#define u_shininess u_specular_shininess.w
vec2 blinn(vec3 _lightDir, vec3 _normal, vec3 _viewDir)
{
@@ -67,17 +67,18 @@ void main()
for(int ii = 0; ii < MAX_NUM_LIGHTS; ++ii)
{
float condition = 0.0;
- if (u_lightCount > 1.0)
+ if (u_lightCount > 1.0) // Stencil Reflection Scene.
{
- condition = 1.0 - step(u_lightCount, float(ii));
+ condition = 1.0 - step(u_lightCount, float(ii)); // True for every light up to u_lightCount.
}
- else
+ else // Projection Shadows Scene.
{
- condition = float(float(ii) == u_lightIndex);
+ condition = float(float(ii) == u_lightIndex); // True only for current light.
}
+
lightColor += calcLight(ii, v_view, normal, viewDir) * condition;
}
- lightColor *= u_lightningPass;
+ lightColor *= u_lightingPass;
vec3 color = toLinear(texture2D(u_texColor, v_texcoord0)).xyz;