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Explicitly use floating point numbers in the our shaders

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We need to be explicit about using floating point numbers in our shaders
for compatibility with mobile GLES drivers.
This commit is contained in:
Hein-Pieter van Braam 2019-02-24 23:55:37 +01:00
parent 69c0d32b93
commit a83e77fded
9 changed files with 33 additions and 33 deletions
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2
drivers/gles2/shaders/canvas.glsl
View file

@ -480,7 +480,7 @@ FRAGMENT_SHADER_CODE
#ifdef USE_RGBA_SHADOWS
#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((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(texture2D((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

2
drivers/gles2/shaders/canvas_shadow.glsl
View file

@ -48,7 +48,7 @@ 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);
gl_FragColor = comp;
#else

8
drivers/gles2/shaders/scene.glsl
View file

@ -1598,14 +1598,14 @@ FRAGMENT_SHADER_CODE
#ifdef USE_LIGHTMAP_CAPTURE
{
vec3 cone_dirs[12] = 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),
vec3(0.267617, -0.823639, 0.5),
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),

4
drivers/gles3/shaders/canvas.glsl
View file

@ -495,7 +495,7 @@ 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
@ -589,7 +589,7 @@ 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

2
drivers/gles3/shaders/canvas_shadow.glsl
View file

@ -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

30
drivers/gles3/shaders/scene.glsl
View file

@ -400,7 +400,7 @@ void main() {
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
vec4(0.0,0.0,0.0,1.0)) *
vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.x;
tex_ofs = ivec2(bone_indicesi.y % 256, (bone_indicesi.y / 256) * 3);
@ -409,7 +409,7 @@ void main() {
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
vec4(0.0,0.0,0.0,1.0)) *
vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.y;
tex_ofs = ivec2(bone_indicesi.z % 256, (bone_indicesi.z / 256) * 3);
@ -418,7 +418,7 @@ void main() {
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
vec4(0.0,0.0,0.0,1.0)) *
vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.z;
tex_ofs = ivec2(bone_indicesi.w % 256, (bone_indicesi.w / 256) * 3);
@ -427,7 +427,7 @@ void main() {
texelFetch(skeleton_texture, tex_ofs, 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 1), 0),
texelFetch(skeleton_texture, tex_ofs + ivec2(0, 2), 0),
vec4(0.0,0.0,0.0,1.0)) *
vec4(0.0, 0.0, 0.0, 1.0)) *
bone_weights.w;
world_matrix = transpose(m) * world_matrix;
@ -1521,8 +1521,8 @@ 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),
@ -1536,10 +1536,10 @@ 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;
@ -1575,7 +1575,7 @@ 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);
@ -1963,14 +1963,14 @@ FRAGMENT_SHADER_CODE
#ifdef USE_LIGHTMAP_CAPTURE
{
vec3 cone_dirs[12] = 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),
vec3(0.267617, -0.823639, 0.5),
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),

2
drivers/gles3/shaders/screen_space_reflection.glsl
View file

@ -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));
////////////////

10
scene/resources/material.cpp
View file

@ -607,17 +607,17 @@ void SpatialMaterial::_update_shader() {
code += "\tMODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat4(CAMERA_MATRIX[0],CAMERA_MATRIX[1],CAMERA_MATRIX[2],WORLD_MATRIX[3]);\n";
if (flags[FLAG_BILLBOARD_KEEP_SCALE]) {
code += "\tMODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(length(WORLD_MATRIX[0].xyz),0,0,0),vec4(0,length(WORLD_MATRIX[1].xyz),0,0),vec4(0,0,length(WORLD_MATRIX[2].xyz),0),vec4(0,0,0,1));\n";
code += "\tMODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(length(WORLD_MATRIX[0].xyz), 0.0, 0.0, 0.0),vec4(0.0, length(WORLD_MATRIX[1].xyz), 0.0, 0.0),vec4(0.0, 0.0, length(WORLD_MATRIX[2].xyz), 0.0),vec4(0.0, 0.0, 0.0, 1.0));\n";
}
} break;
case BILLBOARD_FIXED_Y: {
code += "\tMODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat4(CAMERA_MATRIX[0],WORLD_MATRIX[1],vec4(normalize(cross(CAMERA_MATRIX[0].xyz,WORLD_MATRIX[1].xyz)),0.0),WORLD_MATRIX[3]);\n";
code += "\tMODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat4(CAMERA_MATRIX[0],WORLD_MATRIX[1],vec4(normalize(cross(CAMERA_MATRIX[0].xyz,WORLD_MATRIX[1].xyz)), 0.0),WORLD_MATRIX[3]);\n";
if (flags[FLAG_BILLBOARD_KEEP_SCALE]) {
code += "\tMODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(length(WORLD_MATRIX[0].xyz),0,0,0),vec4(0,1,0,0),vec4(0,0,length(WORLD_MATRIX[2].xyz),0),vec4(0,0,0,1));\n";
code += "\tMODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(length(WORLD_MATRIX[0].xyz), 0.0, 0.0, 0.0),vec4(0.0, 1.0, 0.0, 0.0),vec4(0.0, 0.0, length(WORLD_MATRIX[2].xyz), 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n";
} else {
code += "\tMODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(1,0,0,0),vec4(0,1.0/length(WORLD_MATRIX[1].xyz),0,0),vec4(0,0,1,0),vec4(0,0,0,1));\n";
code += "\tMODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(1.0, 0.0, 0.0, 0.0),vec4(0.0, 1.0/length(WORLD_MATRIX[1].xyz), 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0),vec4(0.0, 0.0, 0.0 ,1.0));\n";
}
} break;
case BILLBOARD_PARTICLES: {
@ -625,7 +625,7 @@ void SpatialMaterial::_update_shader() {
//make billboard
code += "\tmat4 mat_world = mat4(normalize(CAMERA_MATRIX[0])*length(WORLD_MATRIX[0]),normalize(CAMERA_MATRIX[1])*length(WORLD_MATRIX[0]),normalize(CAMERA_MATRIX[2])*length(WORLD_MATRIX[2]),WORLD_MATRIX[3]);\n";
//rotate by rotation
code += "\tmat_world = mat_world * mat4( vec4(cos(INSTANCE_CUSTOM.x),-sin(INSTANCE_CUSTOM.x),0.0,0.0), vec4(sin(INSTANCE_CUSTOM.x),cos(INSTANCE_CUSTOM.x),0.0,0.0),vec4(0.0,0.0,1.0,0.0),vec4(0.0,0.0,0.0,1.0));\n";
code += "\tmat_world = mat_world * mat4( vec4(cos(INSTANCE_CUSTOM.x),-sin(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0),vec4(0.0, 0.0, 1.0, 0.0),vec4(0.0, 0.0, 0.0, 1.0));\n";
//set modelview
code += "\tMODELVIEW_MATRIX = INV_CAMERA_MATRIX * mat_world;\n";

6
scene/resources/particles_material.cpp
View file

@ -311,8 +311,8 @@ void ParticlesMaterial::_update_shader() {
//initiate velocity spread in 3D
code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n";
code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n";
code += " vec3 direction_xz = vec3(sin(angle1_rad), 0, cos(angle1_rad));\n";
code += " vec3 direction_yz = vec3(0, sin(angle2_rad), cos(angle2_rad));\n";
code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n";
code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n";
code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n";
code += " vec3 direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n";
code += " direction = normalize(direction);\n";
@ -347,7 +347,7 @@ void ParticlesMaterial::_update_shader() {
code += " VELOCITY.xy = rotm * VELOCITY.xy;\n";
} else {
code += " vec3 normal = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xyz;\n";
code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0, 1.0, 0.0);\n";
code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);\n";
code += " vec3 tangent = normalize(cross(v0, normal));\n";
code += " vec3 bitangent = normalize(cross(tangent, normal));\n";
code += " VELOCITY = mat3(tangent, bitangent, normal) * VELOCITY;\n";