diff options
Diffstat (limited to 'gfx/gl/shaders')
-rw-r--r-- | gfx/gl/shaders/directionalLight.fs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gfx/gl/shaders/directionalLight.fs b/gfx/gl/shaders/directionalLight.fs index 7562f96..5350bf3 100644 --- a/gfx/gl/shaders/directionalLight.fs +++ b/gfx/gl/shaders/directionalLight.fs @@ -5,14 +5,23 @@ out vec3 FragColor; in vec2 TexCoords; +layout(binding = 0) uniform sampler2D gPosition; layout(binding = 1) uniform sampler2D gNormal; +layout(binding = 2) uniform sampler2D shadowMap; uniform vec3 lightDirection; uniform vec3 lightColour; +uniform mat4 lightViewProjection; void main() { + const vec3 Position = texture(gPosition, TexCoords).xyz; + const vec4 PositionInLightSpace = (lightViewProjection * vec4(Position, 1)) * 0.5 + 0.5; + const float lightSpaceDepth = texture(shadowMap, PositionInLightSpace.xy).r; + if (lightSpaceDepth < PositionInLightSpace.z) { + discard; + } const vec3 Normal = texture(gNormal, TexCoords).rgb; FragColor = dot(-lightDirection, Normal) * lightColour; } |