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-rw-r--r--drivers/gles2/rasterizer_scene_gles2.cpp5
-rw-r--r--drivers/gles2/rasterizer_scene_gles2.h1
-rw-r--r--drivers/gles2/shaders/scene.glsl27
-rw-r--r--drivers/gles3/shaders/scene.glsl65
4 files changed, 54 insertions, 44 deletions
diff --git a/drivers/gles2/rasterizer_scene_gles2.cpp b/drivers/gles2/rasterizer_scene_gles2.cpp
index c996078ba6..95cb92b99f 100644
--- a/drivers/gles2/rasterizer_scene_gles2.cpp
+++ b/drivers/gles2/rasterizer_scene_gles2.cpp
@@ -2430,6 +2430,7 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements,
if (p_env) {
state.scene_shader.set_uniform(SceneShaderGLES2::BG_ENERGY, p_env->bg_energy);
+ state.scene_shader.set_uniform(SceneShaderGLES2::BG_COLOR, p_env->bg_color);
state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_SKY_CONTRIBUTION, p_env->ambient_sky_contribution);
state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_COLOR, p_env->ambient_color);
@@ -2437,6 +2438,7 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements,
} else {
state.scene_shader.set_uniform(SceneShaderGLES2::BG_ENERGY, 1.0);
+ state.scene_shader.set_uniform(SceneShaderGLES2::BG_COLOR, state.default_bg);
state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_SKY_CONTRIBUTION, 1.0);
state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_COLOR, state.default_ambient);
state.scene_shader.set_uniform(SceneShaderGLES2::AMBIENT_ENERGY, 1.0);
@@ -2539,7 +2541,6 @@ void RasterizerSceneGLES2::_render_render_list(RenderList::Element **p_elements,
state.scene_shader.set_conditional(SceneShaderGLES2::USE_LIGHTMAP_CAPTURE, false);
state.scene_shader.set_conditional(SceneShaderGLES2::FOG_DEPTH_ENABLED, false);
state.scene_shader.set_conditional(SceneShaderGLES2::FOG_HEIGHT_ENABLED, false);
- state.scene_shader.set_conditional(SceneShaderGLES2::USE_RADIANCE_MAP, false);
state.scene_shader.set_conditional(SceneShaderGLES2::USE_DEPTH_PREPASS, false);
}
@@ -2786,6 +2787,7 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const
}
state.default_ambient = Color(clear_color.r, clear_color.g, clear_color.b, 1.0);
+ state.default_bg = Color(clear_color.r, clear_color.g, clear_color.b, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -2825,6 +2827,7 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const
if (probe_interior) {
env_radiance_tex = 0; //do not use radiance texture on interiors
state.default_ambient = Color(0, 0, 0, 1); //black as default ambient for interior
+ state.default_bg = Color(0, 0, 0, 1); //black as default background for interior
}
// render opaque things first
diff --git a/drivers/gles2/rasterizer_scene_gles2.h b/drivers/gles2/rasterizer_scene_gles2.h
index f23e45b52f..130f1241b6 100644
--- a/drivers/gles2/rasterizer_scene_gles2.h
+++ b/drivers/gles2/rasterizer_scene_gles2.h
@@ -104,6 +104,7 @@ public:
GLuint immediate_buffer;
Color default_ambient;
+ Color default_bg;
// ResolveShaderGLES3 resolve_shader;
// ScreenSpaceReflectionShaderGLES3 ssr_shader;
diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl
index 5d21c679ba..fede47d5a1 100644
--- a/drivers/gles2/shaders/scene.glsl
+++ b/drivers/gles2/shaders/scene.glsl
@@ -911,6 +911,7 @@ uniform mat4 radiance_inverse_xform;
#endif
+uniform vec4 bg_color;
uniform float bg_energy;
uniform float ambient_sky_contribution;
@@ -1553,7 +1554,6 @@ 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;
@@ -1564,6 +1564,7 @@ FRAGMENT_SHADER_CODE
#else
ambient_light = ambient_color.rgb;
+ specular_light = bg_color.rgb * bg_energy;
#endif
@@ -1622,6 +1623,19 @@ 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;
@@ -2059,17 +2073,6 @@ 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
}
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index 630e1c2089..4f54fd4ac2 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -1802,6 +1802,7 @@ FRAGMENT_SHADER_CODE
ambient_light = vec3(0.0, 0.0, 0.0);
#else
ambient_light = ambient_light_color.rgb;
+ env_reflection_light = bg_color.rgb * bg_energy;
#endif //AMBIENT_LIGHT_DISABLED
#endif
@@ -1813,6 +1814,39 @@ FRAGMENT_SHADER_CODE
specular_blob_intensity *= specular * 2.0;
#endif
+#ifdef USE_FORWARD_LIGHTING
+
+ highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
+ highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
+ for (int i = 0; i < reflection_count; i++) {
+ reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
+ }
+
+ if (reflection_accum.a > 0.0) {
+ specular_light += reflection_accum.rgb / reflection_accum.a;
+ } else {
+ specular_light += env_reflection_light;
+ }
+#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
+ if (ambient_accum.a > 0.0) {
+ ambient_light = ambient_accum.rgb / ambient_accum.a;
+ }
+#endif
+
+ // scales the specular reflections, needs to be be computed before lighting happens,
+ // but after environment and reflection probes are added
+ // Environment brdf approximation (Lazarov 2013)
+ // see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
+ 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_vec), 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);
+ env_reflection_light *= env.x * f0 + env.y;
+
#if defined(USE_LIGHT_DIRECTIONAL)
vec3 light_attenuation = vec3(1.0);
@@ -2004,25 +2038,6 @@ FRAGMENT_SHADER_CODE
}
#endif
-#ifdef USE_FORWARD_LIGHTING
-
- highp vec4 reflection_accum = vec4(0.0, 0.0, 0.0, 0.0);
- highp vec4 ambient_accum = vec4(0.0, 0.0, 0.0, 0.0);
- for (int i = 0; i < reflection_count; i++) {
- reflection_process(reflection_indices[i], vertex, normal, binormal, tangent, roughness, anisotropy, ambient_light, env_reflection_light, reflection_accum, ambient_accum);
- }
-
- if (reflection_accum.a > 0.0) {
- specular_light += reflection_accum.rgb / reflection_accum.a;
- } else {
- specular_light += env_reflection_light;
- }
-#if !defined(USE_LIGHTMAP) && !defined(USE_LIGHTMAP_CAPTURE)
- if (ambient_accum.a > 0.0) {
- ambient_light = ambient_accum.rgb / ambient_accum.a;
- }
-#endif
-
#ifdef USE_VERTEX_LIGHTING
diffuse_light *= albedo;
@@ -2063,18 +2078,6 @@ FRAGMENT_SHADER_CODE
#if defined(DIFFUSE_TOON)
//simplify for toon, as
specular_light *= specular * metallic * albedo * 2.0;
-#else
- // Environment brdf approximation (Lazarov 2013)
- // see https://www.unrealengine.com/en-US/blog/physically-based-shading-on-mobile
- 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_vec), 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
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 01:38:32 +0000