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-rw-r--r--drivers/gles3/shaders/canvas.glsl17
-rw-r--r--drivers/gles3/shaders/canvas_shadow.glsl2
-rw-r--r--drivers/gles3/shaders/copy.glsl59
-rw-r--r--drivers/gles3/shaders/cubemap_filter.glsl2
-rw-r--r--drivers/gles3/shaders/effect_blur.glsl5
-rw-r--r--drivers/gles3/shaders/scene.glsl348
-rw-r--r--drivers/gles3/shaders/screen_space_reflection.glsl2
-rw-r--r--drivers/gles3/shaders/ssao.glsl6
-rw-r--r--drivers/gles3/shaders/tonemap.glsl2
9 files changed, 304 insertions, 139 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index 974eff86f3..a46b31c92e 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -117,7 +117,12 @@ void main() {
#ifdef USE_INSTANCING
mat4 extra_matrix_instance = extra_matrix * transpose(mat4(instance_xform0, instance_xform1, instance_xform2, vec4(0.0, 0.0, 0.0, 1.0)));
color *= instance_color;
+
+#ifdef USE_INSTANCE_CUSTOM
vec4 instance_custom = instance_custom_data;
+#else
+ vec4 instance_custom = vec4(0.0);
+#endif
#else
mat4 extra_matrix_instance = extra_matrix;
@@ -173,6 +178,9 @@ VERTEX_SHADER_CODE
#ifdef USE_PIXEL_SNAP
outvec.xy = floor(outvec + 0.5).xy;
+ // precision issue on some hardware creates artifacts within texture
+ // offset uv by a small amount to avoid
+ uv_interp += 1e-5;
#endif
#ifdef USE_SKELETON
@@ -495,7 +503,7 @@ FRAGMENT_SHADER_CODE
#endif
}
#ifdef DEBUG_ENCODED_32
- highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1));
+ highp float enc32 = dot(color, highp vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0));
color = vec4(vec3(enc32), 1.0);
#endif
@@ -549,7 +557,10 @@ FRAGMENT_SHADER_CODE
color *= light;
#ifdef USE_SHADOWS
- light_vec = light_uv_interp.zw; //for shadows
+ // Reset light_vec to compute shadows, the shadow map is created from the light origin, so it only
+ // makes sense to compute shadows from there.
+ light_vec = light_uv_interp.zw;
+
float angle_to_light = -atan(light_vec.x, light_vec.y);
float PI = 3.14159265358979323846264;
/*int i = int(mod(floor((angle_to_light+7.0*PI/6.0)/(4.0*PI/6.0))+1.0, 3.0)); // +1 pq os indices estao em ordem 2,0,1 nos arrays
@@ -586,7 +597,7 @@ FRAGMENT_SHADER_CODE
#ifdef USE_RGBA_SHADOWS
-#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1))
+#define SHADOW_DEPTH(m_tex, m_uv) dot(texture((m_tex), (m_uv)), vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0))
#else
diff --git a/drivers/gles3/shaders/canvas_shadow.glsl b/drivers/gles3/shaders/canvas_shadow.glsl
index 68d0713385..13fff7f4d1 100644
--- a/drivers/gles3/shaders/canvas_shadow.glsl
+++ b/drivers/gles3/shaders/canvas_shadow.glsl
@@ -36,7 +36,7 @@ void main() {
#ifdef USE_RGBA_SHADOWS
highp vec4 comp = fract(depth * vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0));
- comp -= comp.xxyz * vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
+ comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);
distance_buf = comp;
#else
diff --git a/drivers/gles3/shaders/copy.glsl b/drivers/gles3/shaders/copy.glsl
index 3b36bc7cc1..232b9ce7c0 100644
--- a/drivers/gles3/shaders/copy.glsl
+++ b/drivers/gles3/shaders/copy.glsl
@@ -18,10 +18,19 @@ out vec2 uv_interp;
out vec2 uv2_interp;
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_DISPLAY_TRANSFORM
+#endif
+
#ifdef USE_COPY_SECTION
uniform vec4 copy_section;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+uniform highp mat4 display_transform;
+
#endif
void main() {
@@ -44,6 +53,9 @@ void main() {
uv_interp = copy_section.xy + uv_interp * copy_section.zw;
gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0;
+#elif defined(USE_DISPLAY_TRANSFORM)
+
+ uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy;
#endif
}
@@ -61,19 +73,41 @@ in vec3 cube_interp;
#else
in vec2 uv_interp;
#endif
-/* clang-format on */
#ifdef USE_ASYM_PANO
uniform highp mat4 pano_transform;
uniform highp vec4 asym_proj;
#endif
+// These definitions are here because the shader-wrapper builder does
+// not understand `#elif defined()`
+#ifdef USE_TEXTURE3D
+#endif
+#ifdef USE_TEXTURE2DARRAY
+#endif
+#ifdef YCBCR_TO_SRGB
+#endif
+
#ifdef USE_CUBEMAP
uniform samplerCube source_cube; //texunit:0
+#elif defined(USE_TEXTURE3D)
+uniform sampler3D source_3d; //texunit:0
+#elif defined(USE_TEXTURE2DARRAY)
+uniform sampler2DArray source_2d_array; //texunit:0
#else
uniform sampler2D source; //texunit:0
#endif
+#ifdef SEP_CBCR_TEXTURE
+uniform sampler2D CbCr; //texunit:1
+#endif
+
+/* clang-format on */
+
+#if defined(USE_TEXTURE3D) || defined(USE_TEXTURE2DARRAY)
+uniform float layer;
+#endif
+
#ifdef USE_MULTIPLIER
uniform float multiplier;
#endif
@@ -97,7 +131,6 @@ vec4 texturePanorama(vec3 normal, sampler2D pano) {
#endif
-uniform float stuff;
uniform vec2 pixel_size;
in vec2 uv2_interp;
@@ -147,14 +180,34 @@ void main() {
#elif defined(USE_CUBEMAP)
vec4 color = texture(source_cube, normalize(cube_interp));
+#elif defined(USE_TEXTURE3D)
+ vec4 color = textureLod(source_3d, vec3(uv_interp, layer), 0.0);
+#elif defined(USE_TEXTURE2DARRAY)
+ vec4 color = textureLod(source_2d_array, vec3(uv_interp, layer), 0.0);
+#elif defined(SEP_CBCR_TEXTURE)
+ vec4 color;
+ color.r = textureLod(source, uv_interp, 0.0).r;
+ color.gb = textureLod(CbCr, uv_interp, 0.0).rg - vec2(0.5, 0.5);
+ color.a = 1.0;
#else
vec4 color = textureLod(source, uv_interp, 0.0);
#endif
#ifdef LINEAR_TO_SRGB
- //regular Linear -> SRGB conversion
+ // regular Linear -> SRGB conversion
vec3 a = vec3(0.055);
color.rgb = mix((vec3(1.0) + a) * pow(color.rgb, vec3(1.0 / 2.4)) - a, 12.92 * color.rgb, lessThan(color.rgb, vec3(0.0031308)));
+
+#elif defined(YCBCR_TO_SRGB)
+
+ // YCbCr -> SRGB conversion
+ // Using BT.709 which is the standard for HDTV
+ color.rgb = mat3(
+ vec3(1.00000, 1.00000, 1.00000),
+ vec3(0.00000, -0.18732, 1.85560),
+ vec3(1.57481, -0.46813, 0.00000)) *
+ color.rgb;
+
#endif
#ifdef SRGB_TO_LINEAR
diff --git a/drivers/gles3/shaders/cubemap_filter.glsl b/drivers/gles3/shaders/cubemap_filter.glsl
index f65f798ff0..619e29b130 100644
--- a/drivers/gles3/shaders/cubemap_filter.glsl
+++ b/drivers/gles3/shaders/cubemap_filter.glsl
@@ -163,7 +163,7 @@ vec2 Hammersley(uint i, uint N) {
#else
-#define SAMPLE_COUNT 512u
+#define SAMPLE_COUNT 1024u
#endif
diff --git a/drivers/gles3/shaders/effect_blur.glsl b/drivers/gles3/shaders/effect_blur.glsl
index fc15ca31b1..ff5a9f326f 100644
--- a/drivers/gles3/shaders/effect_blur.glsl
+++ b/drivers/gles3/shaders/effect_blur.glsl
@@ -117,12 +117,13 @@ void main() {
#ifdef GAUSSIAN_HORIZONTAL
vec2 pix_size = pixel_size;
pix_size *= 0.5; //reading from larger buffer, so use more samples
+ // sigma 2
vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.214607;
color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.189879;
- color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.157305;
+ color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.131514;
color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.071303;
color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.189879;
- color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.157305;
+ color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.131514;
color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
frag_color = color;
#endif
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index ff273e4e9f..f08d3f4d23 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -44,7 +44,7 @@ layout(location = 5) in vec2 uv2_attrib;
#ifdef USE_SKELETON
layout(location = 6) in uvec4 bone_indices; // attrib:6
-layout(location = 7) in vec4 bone_weights; // attrib:7
+layout(location = 7) in highp vec4 bone_weights; // attrib:7
#endif
#ifdef USE_INSTANCING
@@ -167,15 +167,61 @@ out vec4 specular_light_interp;
void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, inout vec3 diffuse, inout vec3 specular) {
- float dotNL = max(dot(N, L), 0.0);
- diffuse += dotNL * light_color / M_PI;
+ float NdotL = dot(N, L);
+ float cNdotL = max(NdotL, 0.0); // clamped NdotL
+ float NdotV = dot(N, V);
+ float cNdotV = max(NdotV, 0.0);
+
+#if defined(DIFFUSE_OREN_NAYAR)
+ vec3 diffuse_brdf_NL;
+#else
+ float diffuse_brdf_NL; // BRDF times N.L for calculating diffuse radiance
+#endif
+
+#if defined(DIFFUSE_LAMBERT_WRAP)
+ // energy conserving lambert wrap shader
+ diffuse_brdf_NL = max(0.0, (NdotL + roughness) / ((1.0 + roughness) * (1.0 + roughness)));
+
+#elif defined(DIFFUSE_OREN_NAYAR)
+
+ {
+ // see http://mimosa-pudica.net/improved-oren-nayar.html
+ float LdotV = dot(L, V);
+
+ float s = LdotV - NdotL * NdotV;
+ float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
+
+ float sigma2 = roughness * roughness; // TODO: this needs checking
+ vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
+ float B = 0.45 * sigma2 / (sigma2 + 0.09);
+
+ diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);
+ }
+#else
+ // lambert by default for everything else
+ diffuse_brdf_NL = cNdotL * (1.0 / M_PI);
+#endif
+
+ diffuse += light_color * diffuse_brdf_NL;
if (roughness > 0.0) {
+ // D
+ float specular_brdf_NL = 0.0;
+
+#if !defined(SPECULAR_DISABLED)
+ //normalized blinn always unless disabled
vec3 H = normalize(V + L);
- float dotNH = max(dot(N, H), 0.0);
- float intensity = (roughness >= 1.0 ? 1.0 : pow(dotNH, (1.0 - roughness) * 256.0));
- specular += light_color * intensity;
+ float cNdotH = max(dot(N, H), 0.0);
+ float cVdotH = max(dot(V, H), 0.0);
+ float cLdotH = max(dot(L, H), 0.0);
+ float shininess = exp2(15.0 * (1.0 - roughness) + 1.0) * 0.25;
+ float blinn = pow(cNdotH, shininess);
+ blinn *= (shininess + 8.0) * (1.0 / (8.0 * M_PI));
+ specular_brdf_NL = (blinn) / max(4.0 * cNdotV * cNdotL, 0.75);
+#endif
+
+ specular += specular_brdf_NL * light_color * (1.0 / M_PI);
}
}
@@ -256,6 +302,8 @@ out highp float dp_clip;
#ifdef USE_SKELETON
uniform highp sampler2D skeleton_texture; // texunit:-1
+uniform highp mat4 skeleton_transform;
+uniform bool skeleton_in_world_coords;
#endif
out highp vec4 position_interp;
@@ -268,7 +316,7 @@ void main() {
highp vec4 vertex = vertex_attrib; // vec4(vertex_attrib.xyz * data_attrib.x,1.0);
- mat4 world_matrix = world_transform;
+ highp mat4 world_matrix = world_transform;
#ifdef USE_INSTANCING
@@ -306,6 +354,10 @@ void main() {
uv2_interp = uv2_attrib;
#endif
+#ifdef OVERRIDE_POSITION
+ highp vec4 position;
+#endif
+
#if defined(USE_INSTANCING) && defined(ENABLE_INSTANCE_CUSTOM)
vec4 instance_custom = instance_custom_data;
#else
@@ -345,44 +397,53 @@ void main() {
ivec4 bone_indicesi = ivec4(bone_indices); // cast to signed int
ivec2 tex_ofs = ivec2(bone_indicesi.x % 256, (bone_indicesi.x / 256) * 3);
- highp mat3x4 m;
- m = mat3x4(
+ highp mat4 m;
+ m = mat4(
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
- texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0)) *
+ texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+ vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.x;
tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
- m += mat3x4(
+ m += mat4(
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
- texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0)) *
+ texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+ vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.y;
tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
- m += mat3x4(
+ m += mat4(
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
- texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0)) *
+ texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+ vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.z;
tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
- m += mat3x4(
+ m += mat4(
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
- texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0)) *
+ texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
+ vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.w;
- mat4 bone_matrix = transpose(mat4(m[0], m[1], m[2], vec4(0.0, 0.0, 0.0, 1.0)));
+ if (skeleton_in_world_coords) {
+ highp mat4 bone_matrix = skeleton_transform * (transpose(m) * inverse(skeleton_transform));
+ world_matrix = bone_matrix * world_matrix;
- world_matrix = bone_matrix * world_matrix;
+ } else {
+
+ world_matrix = world_matrix * transpose(m);
+ }
}
#endif
- mat4 modelview = camera_inverse_matrix * world_matrix;
+ highp mat4 modelview = camera_inverse_matrix * world_matrix;
{
/* clang-format off */
@@ -461,7 +522,11 @@ VERTEX_SHADER_CODE
#endif //RENDER_DEPTH
+#ifdef OVERRIDE_POSITION
+ gl_Position = position;
+#else
gl_Position = projection_matrix * vec4(vertex_interp, 1.0);
+#endif
position_interp = gl_Position;
@@ -928,7 +993,7 @@ vec3 F0(float metallic, float specular, vec3 albedo) {
return mix(vec3(dielectric), albedo, vec3(metallic));
}
-void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light) {
+void light_compute(vec3 N, vec3 L, vec3 V, vec3 B, vec3 T, vec3 light_color, vec3 attenuation, vec3 diffuse_color, vec3 transmission, float specular_blob_intensity, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
#if defined(USE_LIGHT_SHADER_CODE)
// light is written by the light shader
@@ -1070,19 +1135,19 @@ LIGHT_SHADER_CODE
#if defined(LIGHT_USE_ANISOTROPY)
- float alpha = roughness * roughness;
+ float alpha_ggx = roughness * roughness;
float aspect = sqrt(1.0 - anisotropy * 0.9);
- float ax = alpha / aspect;
- float ay = alpha * aspect;
+ float ax = alpha_ggx / aspect;
+ float ay = alpha_ggx * aspect;
float XdotH = dot(T, H);
float YdotH = dot(B, H);
float D = D_GGX_anisotropic(cNdotH, ax, ay, XdotH, YdotH);
float G = G_GGX_anisotropic_2cos(cNdotL, ax, ay, XdotH, YdotH) * G_GGX_anisotropic_2cos(cNdotV, ax, ay, XdotH, YdotH);
#else
- float alpha = roughness * roughness;
- float D = D_GGX(cNdotH, alpha);
- float G = G_GGX_2cos(cNdotL, alpha) * G_GGX_2cos(cNdotV, alpha);
+ float alpha_ggx = roughness * roughness;
+ float D = D_GGX(cNdotH, alpha_ggx);
+ float G = G_GGX_2cos(cNdotL, alpha_ggx) * G_GGX_2cos(cNdotV, alpha_ggx);
#endif
// F
vec3 f0 = F0(metallic, specular, diffuse_color);
@@ -1109,6 +1174,10 @@ LIGHT_SHADER_CODE
#endif
}
+#ifdef USE_SHADOW_TO_OPACITY
+ alpha = min(alpha, clamp(1.0 - length(attenuation), 0.0, 1.0));
+#endif
+
#endif //defined(USE_LIGHT_SHADER_CODE)
}
@@ -1185,7 +1254,7 @@ vec3 light_transmittance(float translucency,vec3 light_vec, vec3 normal, vec3 po
}
#endif
-void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light) {
+void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
vec3 light_rel_vec = omni_lights[idx].light_pos_inv_radius.xyz - vertex;
float light_length = length(light_rel_vec);
@@ -1239,10 +1308,10 @@ void light_process_omni(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
light_attenuation *= mix(omni_lights[idx].shadow_color_contact.rgb, vec3(1.0), shadow);
}
#endif //SHADOWS_DISABLED
- light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light);
+ light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, omni_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, omni_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * omni_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
}
-void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light) {
+void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 binormal, vec3 tangent, vec3 albedo, vec3 transmission, float roughness, float metallic, float specular, float rim, float rim_tint, float clearcoat, float clearcoat_gloss, float anisotropy, float p_blob_intensity, inout vec3 diffuse_light, inout vec3 specular_light, inout float alpha) {
vec3 light_rel_vec = spot_lights[idx].light_pos_inv_radius.xyz - vertex;
float light_length = length(light_rel_vec);
@@ -1274,7 +1343,7 @@ void light_process_spot(int idx, vec3 vertex, vec3 eye_vec, vec3 normal, vec3 bi
}
#endif //SHADOWS_DISABLED
- light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light);
+ light_compute(normal, normalize(light_rel_vec), eye_vec, binormal, tangent, spot_lights[idx].light_color_energy.rgb, light_attenuation, albedo, transmission, spot_lights[idx].light_params.z * p_blob_intensity, roughness, metallic, specular, rim * spot_attenuation, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
}
void reflection_process(int idx, vec3 vertex, vec3 normal, vec3 binormal, vec3 tangent, float roughness, float anisotropy, vec3 ambient, vec3 skybox, inout highp vec4 reflection_accum, inout highp vec4 ambient_accum) {
@@ -1465,8 +1534,8 @@ void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, ve
#define MAX_CONE_DIRS 6
vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
- vec3(0, 0, 1),
- vec3(0.866025, 0, 0.5),
+ vec3(0.0, 0.0, 1.0),
+ vec3(0.866025, 0.0, 0.5),
vec3(0.267617, 0.823639, 0.5),
vec3(-0.700629, 0.509037, 0.5),
vec3(-0.700629, -0.509037, 0.5),
@@ -1480,10 +1549,10 @@ void gi_probe_compute(mediump sampler3D probe, mat4 probe_xform, vec3 bounds, ve
#define MAX_CONE_DIRS 4
vec3 cone_dirs[MAX_CONE_DIRS] = vec3[](
- vec3(0.707107, 0, 0.707107),
- vec3(0, 0.707107, 0.707107),
- vec3(-0.707107, 0, 0.707107),
- vec3(0, -0.707107, 0.707107));
+ vec3(0.707107, 0.0, 0.707107),
+ vec3(0.0, 0.707107, 0.707107),
+ vec3(-0.707107, 0.0, 0.707107),
+ vec3(0.0, -0.707107, 0.707107));
float cone_weights[MAX_CONE_DIRS] = float[](0.25, 0.25, 0.25, 0.25);
float cone_angle_tan = 0.98269;
@@ -1519,7 +1588,7 @@ void gi_probes_compute(vec3 pos, vec3 normal, float roughness, inout vec3 out_sp
vec3 ref_vec = normalize(reflect(normalize(pos), normal));
//find arbitrary tangent and bitangent, then build a matrix
- vec3 v0 = abs(normal.z) < 0.999 ? vec3(0, 0, 1) : vec3(0, 1, 0);
+ vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);
vec3 tangent = normalize(cross(v0, normal));
vec3 bitangent = normalize(cross(tangent, normal));
mat3 normal_mat = mat3(tangent, bitangent, normal);
@@ -1640,11 +1709,13 @@ FRAGMENT_SHADER_CODE
/* clang-format on */
}
+#if !defined(USE_SHADOW_TO_OPACITY)
+
#if defined(ALPHA_SCISSOR_USED)
if (alpha < alpha_scissor) {
discard;
}
-#endif
+#endif // ALPHA_SCISSOR_USED
#ifdef USE_OPAQUE_PREPASS
@@ -1652,7 +1723,9 @@ FRAGMENT_SHADER_CODE
discard;
}
-#endif
+#endif // USE_OPAQUE_PREPASS
+
+#endif // !USE_SHADOW_TO_OPACITY
#if defined(ENABLE_NORMALMAP)
@@ -1737,6 +1810,7 @@ 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
@@ -1744,10 +1818,98 @@ FRAGMENT_SHADER_CODE
ambient_light *= ambient_energy;
float specular_blob_intensity = 1.0;
+
#if defined(SPECULAR_TOON)
specular_blob_intensity *= specular * 2.0;
#endif
+#ifdef USE_GI_PROBES
+ gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
+
+#endif
+
+#ifdef USE_LIGHTMAP
+ ambient_light = texture(lightmap, uv2).rgb * lightmap_energy;
+#endif
+
+#ifdef USE_LIGHTMAP_CAPTURE
+ {
+ vec3 cone_dirs[12] = vec3[](
+ vec3(0.0, 0.0, 1.0),
+ vec3(0.866025, 0.0, 0.5),
+ vec3(0.267617, 0.823639, 0.5),
+ vec3(-0.700629, 0.509037, 0.5),
+ vec3(-0.700629, -0.509037, 0.5),
+ vec3(0.267617, -0.823639, 0.5),
+ vec3(0.0, 0.0, -1.0),
+ vec3(0.866025, 0.0, -0.5),
+ vec3(0.267617, 0.823639, -0.5),
+ vec3(-0.700629, 0.509037, -0.5),
+ vec3(-0.700629, -0.509037, -0.5),
+ vec3(0.267617, -0.823639, -0.5));
+
+ vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
+ vec4 captured = vec4(0.0);
+ float sum = 0.0;
+ for (int i = 0; i < 12; i++) {
+ float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
+ captured += lightmap_captures[i] * amount;
+ sum += amount;
+ }
+
+ captured /= sum;
+
+ if (lightmap_capture_sky) {
+ ambient_light = mix(ambient_light, captured.rgb, captured.a);
+ } else {
+ ambient_light = captured.rgb;
+ }
+ }
+#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
+#endif
+
+ {
+
+#if defined(DIFFUSE_TOON)
+ //simplify for toon, as
+ specular_light *= specular * metallic * albedo * 2.0;
+#else
+
+ // scales the specular reflections, needs to be be computed before lighting happens,
+ // but after environment, GI, 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);
+ specular_light *= env.x * f0 + env.y;
+#endif
+ }
+
#if defined(USE_LIGHT_DIRECTIONAL)
vec3 light_attenuation = vec3(1.0);
@@ -1890,91 +2052,49 @@ FRAGMENT_SHADER_CODE
specular_light *= mix(vec3(1.0), light_attenuation, specular_light_interp.a);
#else
- light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light);
+ light_compute(normal, -light_direction_attenuation.xyz, eye_vec, binormal, tangent, light_color_energy.rgb, light_attenuation, albedo, transmission, light_params.z * specular_blob_intensity, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, diffuse_light, specular_light, alpha);
#endif
#endif //#USE_LIGHT_DIRECTIONAL
-#ifdef USE_GI_PROBES
- gi_probes_compute(vertex, normal, roughness, env_reflection_light, ambient_light);
-
-#endif
-
-#ifdef USE_LIGHTMAP
- ambient_light = texture(lightmap, uv2).rgb * lightmap_energy;
-#endif
-
-#ifdef USE_LIGHTMAP_CAPTURE
- {
- vec3 cone_dirs[12] = vec3[](
- vec3(0, 0, 1),
- vec3(0.866025, 0, 0.5),
- vec3(0.267617, 0.823639, 0.5),
- vec3(-0.700629, 0.509037, 0.5),
- vec3(-0.700629, -0.509037, 0.5),
- vec3(0.267617, -0.823639, 0.5),
- vec3(0, 0, -1),
- vec3(0.866025, 0, -0.5),
- vec3(0.267617, 0.823639, -0.5),
- vec3(-0.700629, 0.509037, -0.5),
- vec3(-0.700629, -0.509037, -0.5),
- vec3(0.267617, -0.823639, -0.5));
-
- vec3 local_normal = normalize(camera_matrix * vec4(normal, 0.0)).xyz;
- vec4 captured = vec4(0.0);
- float sum = 0.0;
- for (int i = 0; i < 12; i++) {
- float amount = max(0.0, dot(local_normal, cone_dirs[i])); //not correct, but creates a nice wrap around effect
- captured += lightmap_captures[i] * amount;
- sum += amount;
- }
-
- captured /= sum;
-
- if (lightmap_capture_sky) {
- ambient_light = mix(ambient_light, captured.rgb, captured.a);
- } else {
- ambient_light = captured.rgb;
- }
- }
-#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;
#else
for (int i = 0; i < omni_light_count; i++) {
- light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light);
+ light_process_omni(omni_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
}
for (int i = 0; i < spot_light_count; i++) {
- light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light);
+ light_process_spot(spot_light_indices[i], vertex, eye_vec, normal, binormal, tangent, albedo, transmission, roughness, metallic, specular, rim, rim_tint, clearcoat, clearcoat_gloss, anisotropy, specular_blob_intensity, diffuse_light, specular_light, alpha);
}
#endif //USE_VERTEX_LIGHTING
#endif
+#ifdef USE_SHADOW_TO_OPACITY
+ alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
+
+#if defined(ALPHA_SCISSOR_USED)
+ if (alpha < alpha_scissor) {
+ discard;
+ }
+#endif // ALPHA_SCISSOR_USED
+
+#ifdef USE_OPAQUE_PREPASS
+
+ if (alpha < opaque_prepass_threshold) {
+ discard;
+ }
+
+#endif // USE_OPAQUE_PREPASS
+
+#endif // USE_SHADOW_TO_OPACITY
+
#ifdef RENDER_DEPTH
//nothing happens, so a tree-ssa optimizer will result in no fragment shader :)
#else
@@ -1993,26 +2113,6 @@ FRAGMENT_SHADER_CODE
diffuse_light *= 1.0 - metallic; // TODO: avoid all diffuse and ambient light calculations when metallic == 1 up to this point
ambient_light *= 1.0 - metallic;
- {
-
-#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
- }
-
if (fog_color_enabled.a > 0.5) {
float fog_amount = 0.0;
@@ -2028,7 +2128,7 @@ FRAGMENT_SHADER_CODE
//apply fog
if (fog_depth_enabled) {
- float fog_far = fog_depth_end > 0 ? fog_depth_end : z_far;
+ float fog_far = fog_depth_end > 0.0 ? fog_depth_end : z_far;
float fog_z = smoothstep(fog_depth_begin, fog_far, length(vertex));
diff --git a/drivers/gles3/shaders/screen_space_reflection.glsl b/drivers/gles3/shaders/screen_space_reflection.glsl
index 86546319a0..39f1ea6155 100644
--- a/drivers/gles3/shaders/screen_space_reflection.glsl
+++ b/drivers/gles3/shaders/screen_space_reflection.glsl
@@ -77,7 +77,7 @@ void main() {
return;
}
//ray_dir = normalize(view_dir - normal * dot(normal,view_dir) * 2.0);
- //ray_dir = normalize(vec3(1, 1, -1));
+ //ray_dir = normalize(vec3(1.0, 1.0, -1.0));
////////////////
diff --git a/drivers/gles3/shaders/ssao.glsl b/drivers/gles3/shaders/ssao.glsl
index be44365169..d9cdc3fc1f 100644
--- a/drivers/gles3/shaders/ssao.glsl
+++ b/drivers/gles3/shaders/ssao.glsl
@@ -16,15 +16,15 @@ void main() {
#define TWO_PI 6.283185307179586476925286766559
#ifdef SSAO_QUALITY_HIGH
-#define NUM_SAMPLES (80)
+#define NUM_SAMPLES (16)
#endif
#ifdef SSAO_QUALITY_LOW
-#define NUM_SAMPLES (15)
+#define NUM_SAMPLES (8)
#endif
#if !defined(SSAO_QUALITY_LOW) && !defined(SSAO_QUALITY_HIGH)
-#define NUM_SAMPLES (40)
+#define NUM_SAMPLES (12)
#endif
// If using depth mip levels, the log of the maximum pixel offset before we need to switch to a lower
diff --git a/drivers/gles3/shaders/tonemap.glsl b/drivers/gles3/shaders/tonemap.glsl
index 80ad003c80..626968bc05 100644
--- a/drivers/gles3/shaders/tonemap.glsl
+++ b/drivers/gles3/shaders/tonemap.glsl
@@ -124,7 +124,7 @@ vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
#endif
vec3 tonemap_filmic(vec3 color, float white) {
- // exposure bias: input scale (color *= bias, white *= bias) to make the brighness consistent with other tonemappers
+ // exposure bias: input scale (color *= bias, white *= bias) to make the brightness consistent with other tonemappers
// also useful to scale the input to the range that the tonemapper is designed for (some require very high input values)
// has no effect on the curve's general shape or visual properties
const float exposure_bias = 2.0f;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-22 19:31:24 +0000