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Diffstat (limited to 'drivers/gles2/shaders/scene.glsl')
-rw-r--r--drivers/gles2/shaders/scene.glsl42
1 files changed, 30 insertions, 12 deletions
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl
index 1c35b455c4..0fa290e57c 100644
--- a/drivers/gles2/shaders/scene.glsl
+++ b/drivers/gles2/shaders/scene.glsl
@@ -424,9 +424,12 @@ void main() {
#endif
+ mat4 local_projection_matrix = projection_matrix;
+
mat4 modelview = camera_inverse_matrix * world_matrix;
float roughness = 1.0;
+#define projection_matrix local_projection_matrix
#define world_transform world_matrix
{
@@ -911,6 +914,7 @@ uniform mat4 radiance_inverse_xform;
#endif
+uniform vec4 bg_color;
uniform float bg_energy;
uniform float ambient_sky_contribution;
@@ -1558,7 +1562,6 @@ FRAGMENT_SHADER_CODE
ref_vec.z *= -1.0;
specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
-
{
vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
vec3 env_ambient = textureCubeLod(radiance_map, ambient_dir, RADIANCE_MAX_LOD).xyz * bg_energy;
@@ -1569,6 +1572,7 @@ FRAGMENT_SHADER_CODE
#else
ambient_light = ambient_color.rgb;
+ specular_light = bg_color.rgb * bg_energy;
#endif
@@ -1628,6 +1632,19 @@ FRAGMENT_SHADER_CODE
#endif // defined(USE_REFLECTION_PROBE1) || defined(USE_REFLECTION_PROBE2)
+ // scales the specular reflections, needs to be be computed before lighting happens,
+ // but after environment and reflection probes are added
+ //TODO: this curve is not really designed for gammaspace, should be adjusted
+ const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
+ const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
+ vec4 r = roughness * c0 + c1;
+ float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
+ float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
+ vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
+
+ vec3 f0 = F0(metallic, specular, albedo);
+ specular_light *= env.x * f0 + env.y;
+
#ifdef USE_LIGHTMAP
//ambient light will come entirely from lightmap is lightmap is used
ambient_light = texture2D(lightmap, uv2_interp).rgb * lightmap_energy;
@@ -1699,6 +1716,8 @@ FRAGMENT_SHADER_CODE
#endif
+#if !defined(SHADOWS_DISABLED)
+
#ifdef USE_SHADOW
{
highp vec4 splane = shadow_coord;
@@ -1729,6 +1748,8 @@ FRAGMENT_SHADER_CODE
}
#endif
+#endif //SHADOWS_DISABLED
+
#endif //type omni
#ifdef LIGHT_MODE_DIRECTIONAL
@@ -1739,6 +1760,8 @@ FRAGMENT_SHADER_CODE
#endif
float depth_z = -vertex.z;
+#if !defined(SHADOWS_DISABLED)
+
#ifdef USE_SHADOW
#ifdef USE_VERTEX_LIGHTING
@@ -1957,6 +1980,8 @@ FRAGMENT_SHADER_CODE
#endif //use shadow
+#endif // SHADOWS_DISABLED
+
#endif
#ifdef LIGHT_MODE_SPOT
@@ -1993,6 +2018,8 @@ FRAGMENT_SHADER_CODE
#endif
+#if !defined(SHADOWS_DISABLED)
+
#ifdef USE_SHADOW
{
highp vec4 splane = shadow_coord;
@@ -2002,6 +2029,8 @@ FRAGMENT_SHADER_CODE
}
#endif
+#endif // SHADOWS_DISABLED
+
#endif // LIGHT_MODE_SPOT
#ifdef USE_VERTEX_LIGHTING
@@ -2065,17 +2094,6 @@ FRAGMENT_SHADER_CODE
#if defined(DIFFUSE_TOON)
//simplify for toon, as
specular_light *= specular * metallic * albedo * 2.0;
-#else
- //TODO: this curve is not really designed for gammaspace, should be adjusted
- const vec4 c0 = vec4(-1.0, -0.0275, -0.572, 0.022);
- const vec4 c1 = vec4(1.0, 0.0425, 1.04, -0.04);
- vec4 r = roughness * c0 + c1;
- float ndotv = clamp(dot(normal, eye_position), 0.0, 1.0);
- float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
- vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
-
- vec3 f0 = F0(metallic, specular, albedo);
- specular_light *= env.x * f0 + env.y;
#endif
}