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Merge pull request #88816 from joined72/gles3_gpuparticles2d_fixes

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Fix CPU/GPUParticles2D bugs on Compatibility Rendering (GLES3) on Adreno 3XX devices.
This commit is contained in:
Rémi Verschelde 2024-04-04 14:31:07 +02:00
commit b4b4919736
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GPG Key ID: C3336907360768E1
6 changed files with 84 additions and 59 deletions
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16
drivers/gles3/shaders/canvas.glsl
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@ -160,15 +160,18 @@ void main() {
if (gl_VertexID % 3 == 0) {
vertex = read_draw_data_point_a;
uv = read_draw_data_uv_a;
color = vec4(unpackHalf2x16(read_draw_data_color_a_rg), unpackHalf2x16(read_draw_data_color_a_ba));
color.xy = unpackHalf2x16(read_draw_data_color_a_rg);
color.zw = unpackHalf2x16(read_draw_data_color_a_ba);
} else if (gl_VertexID % 3 == 1) {
vertex = read_draw_data_point_b;
uv = read_draw_data_uv_b;
color = vec4(unpackHalf2x16(read_draw_data_color_b_rg), unpackHalf2x16(read_draw_data_color_b_ba));
color.xy = unpackHalf2x16(read_draw_data_color_b_rg);
color.zw = unpackHalf2x16(read_draw_data_color_b_ba);
} else {
vertex = read_draw_data_point_c;
uv = read_draw_data_uv_c;
color = vec4(unpackHalf2x16(read_draw_data_color_c_rg), unpackHalf2x16(read_draw_data_color_c_ba));
color.xy = unpackHalf2x16(read_draw_data_color_c_rg);
color.zw = unpackHalf2x16(read_draw_data_color_c_ba);
}
#elif defined(USE_ATTRIBUTES)
@ -178,11 +181,14 @@ void main() {
#ifdef USE_INSTANCING
if (bool(read_draw_data_flags & FLAGS_INSTANCING_HAS_COLORS)) {
vec4 instance_color = vec4(unpackHalf2x16(instance_color_custom_data.x), unpackHalf2x16(instance_color_custom_data.y));
vec4 instance_color;
instance_color.xy = unpackHalf2x16(uint(instance_color_custom_data.x));
instance_color.zw = unpackHalf2x16(uint(instance_color_custom_data.y));
color *= instance_color;
}
if (bool(read_draw_data_flags & FLAGS_INSTANCING_HAS_CUSTOM_DATA)) {
instance_custom = vec4(unpackHalf2x16(instance_color_custom_data.z), unpackHalf2x16(instance_color_custom_data.w));
instance_custom.xy = unpackHalf2x16(instance_color_custom_data.z);
instance_custom.zw = unpackHalf2x16(instance_color_custom_data.w);
}
#endif // !USE_INSTANCING

3
drivers/gles3/shaders/particles.glsl
View File

@ -339,7 +339,8 @@ void main() {
amount = max(0.0, 1.0 - d);
} else if (attractors[i].type == ATTRACTOR_TYPE_VECTOR_FIELD) {
}
amount = pow(amount, attractors[i].attenuation);
mediump float attractor_attenuation = attractors[i].attenuation;
amount = pow(amount, attractor_attenuation);
dir = safe_normalize(mix(dir, attractors[i].transform[2].xyz, attractors[i].directionality));
attractor_force -= amount * dir * attractors[i].strength;
}

69
drivers/gles3/shaders/particles_copy.glsl
View File

@ -57,45 +57,39 @@ void main() {
txform = transpose(mat4(xform_1, xform_2, vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0)));
#endif
switch (align_mode) {
case TRANSFORM_ALIGN_DISABLED: {
} break; //nothing
case TRANSFORM_ALIGN_Z_BILLBOARD: {
mat3 local = mat3(normalize(cross(align_up, sort_direction)), align_up, sort_direction);
local = local * mat3(txform);
txform[0].xyz = local[0];
txform[1].xyz = local[1];
txform[2].xyz = local[2];
if (align_mode == TRANSFORM_ALIGN_DISABLED) {
// nothing
} else if (align_mode == TRANSFORM_ALIGN_Z_BILLBOARD) {
mat3 local = mat3(normalize(cross(align_up, sort_direction)), align_up, sort_direction);
local = local * mat3(txform);
txform[0].xyz = local[0];
txform[1].xyz = local[1];
txform[2].xyz = local[2];
} else if (align_mode == TRANSFORM_ALIGN_Y_TO_VELOCITY) {
vec3 v = velocity_flags.xyz;
float s = (length(txform[0]) + length(txform[1]) + length(txform[2])) / 3.0;
if (length(v) > 0.0) {
txform[1].xyz = normalize(v);
} else {
txform[1].xyz = normalize(txform[1].xyz);
}
} break;
case TRANSFORM_ALIGN_Y_TO_VELOCITY: {
vec3 v = velocity_flags.xyz;
float s = (length(txform[0]) + length(txform[1]) + length(txform[2])) / 3.0;
if (length(v) > 0.0) {
txform[1].xyz = normalize(v);
} else {
txform[1].xyz = normalize(txform[1].xyz);
}
txform[0].xyz = normalize(cross(txform[1].xyz, txform[2].xyz));
txform[2].xyz = vec3(0.0, 0.0, 1.0) * s;
txform[0].xyz *= s;
txform[1].xyz *= s;
} else if (align_mode == TRANSFORM_ALIGN_Z_BILLBOARD_Y_TO_VELOCITY) {
vec3 sv = velocity_flags.xyz - sort_direction * dot(sort_direction, velocity_flags.xyz); //screen velocity
txform[0].xyz = normalize(cross(txform[1].xyz, txform[2].xyz));
txform[2].xyz = vec3(0.0, 0.0, 1.0) * s;
txform[0].xyz *= s;
txform[1].xyz *= s;
} break;
case TRANSFORM_ALIGN_Z_BILLBOARD_Y_TO_VELOCITY: {
vec3 sv = velocity_flags.xyz - sort_direction * dot(sort_direction, velocity_flags.xyz); //screen velocity
if (length(sv) == 0.0) {
sv = align_up;
}
if (length(sv) == 0.0) {
sv = align_up;
}
sv = normalize(sv);
sv = normalize(sv);
txform[0].xyz = normalize(cross(sv, sort_direction)) * length(txform[0]);
txform[1].xyz = sv * length(txform[1]);
txform[2].xyz = sort_direction * length(txform[2]);
} break;
txform[0].xyz = normalize(cross(sv, sort_direction)) * length(txform[0]);
txform[1].xyz = sv * length(txform[1]);
txform[2].xyz = sort_direction * length(txform[2]);
}
txform[3].xyz += velocity_flags.xyz * frame_remainder;
@ -108,7 +102,10 @@ void main() {
}
txform = transpose(txform);
instance_color_custom_data = uvec4(packHalf2x16(color.xy), packHalf2x16(color.zw), packHalf2x16(custom.xy), packHalf2x16(custom.zw));
instance_color_custom_data.x = packHalf2x16(color.xy);
instance_color_custom_data.y = packHalf2x16(color.zw);
instance_color_custom_data.z = packHalf2x16(custom.xy);
instance_color_custom_data.w = packHalf2x16(custom.zw);
out_xform_1 = txform[0];
out_xform_2 = txform[1];
#ifdef MODE_3D

14
drivers/gles3/shaders/scene.glsl
View File

@ -366,7 +366,9 @@ void main() {
#if defined(COLOR_USED)
color_interp = color_attrib;
#ifdef USE_INSTANCING
vec4 instance_color = vec4(unpackHalf2x16(instance_color_custom_data.x), unpackHalf2x16(instance_color_custom_data.y));
vec4 instance_color;
instance_color.xy = unpackHalf2x16(instance_color_custom_data.x);
instance_color.zw = unpackHalf2x16(instance_color_custom_data.y);
color_interp *= instance_color;
#endif
#endif
@ -403,7 +405,9 @@ void main() {
#endif //USE_MULTIVIEW
#ifdef USE_INSTANCING
vec4 instance_custom = vec4(unpackHalf2x16(instance_color_custom_data.z), unpackHalf2x16(instance_color_custom_data.w));
vec4 instance_custom;
instance_custom.xy = unpackHalf2x16(instance_color_custom_data.z);
instance_custom.zw = unpackHalf2x16(instance_color_custom_data.w);
#else
vec4 instance_custom = vec4(0.0);
#endif
@ -1747,7 +1751,8 @@ void main() {
#endif //!MODE_UNSHADED
#ifndef FOG_DISABLED
fog = vec4(unpackHalf2x16(fog_rg), unpackHalf2x16(fog_ba));
fog.xy = unpackHalf2x16(fog_rg);
fog.zw = unpackHalf2x16(fog_ba);
#ifndef DISABLE_FOG
if (scene_data.fog_enabled) {
@ -1964,7 +1969,8 @@ void main() {
vec3 additive_light_color = diffuse_light + specular_light;
#ifndef FOG_DISABLED
fog = vec4(unpackHalf2x16(fog_rg), unpackHalf2x16(fog_ba));
fog.xy = unpackHalf2x16(fog_rg);
fog.zw = unpackHalf2x16(fog_ba);
#ifndef DISABLE_FOG
if (scene_data.fog_enabled) {

33
drivers/gles3/shaders/stdlib_inc.glsl
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@ -1,5 +1,12 @@
#ifdef USE_GLES_OVER_GL
// Compatibility renames. These are exposed with the "godot_" prefix
// to work around two distinct Adreno bugs:
// 1. Some Adreno devices expose ES310 functions in ES300 shaders.
// Internally, we must use the "godot_" prefix, but user shaders
// will be mapped automatically.
// 2. Adreno 3XX devices have poor implementations of the other packing
// functions, so we just use our own everywhere to keep it simple.
// Floating point pack/unpack functions are part of the GLSL ES 300 specification used by web and mobile.
uint float2half(uint f) {
uint e = f & uint(0x7f800000);
@ -17,40 +24,34 @@ uint half2float(uint h) {
return ((h & uint(0x8000)) << uint(16)) | uint((h_e >> uint(10)) != uint(0)) * (((h_e + uint(0x1c000)) << uint(13)) | ((h & uint(0x03ff)) << uint(13)));
}
uint packHalf2x16(vec2 v) {
uint godot_packHalf2x16(vec2 v) {
return float2half(floatBitsToUint(v.x)) | float2half(floatBitsToUint(v.y)) << uint(16);
}
vec2 unpackHalf2x16(uint v) {
vec2 godot_unpackHalf2x16(uint v) {
return vec2(uintBitsToFloat(half2float(v & uint(0xffff))),
uintBitsToFloat(half2float(v >> uint(16))));
}
uint packUnorm2x16(vec2 v) {
uint godot_packUnorm2x16(vec2 v) {
uvec2 uv = uvec2(round(clamp(v, vec2(0.0), vec2(1.0)) * 65535.0));
return uv.x | uv.y << uint(16);
}
vec2 unpackUnorm2x16(uint p) {
vec2 godot_unpackUnorm2x16(uint p) {
return vec2(float(p & uint(0xffff)), float(p >> uint(16))) * 0.000015259021; // 1.0 / 65535.0 optimization
}
uint packSnorm2x16(vec2 v) {
uint godot_packSnorm2x16(vec2 v) {
uvec2 uv = uvec2(round(clamp(v, vec2(-1.0), vec2(1.0)) * 32767.0) + 32767.0);
return uv.x | uv.y << uint(16);
}
vec2 unpackSnorm2x16(uint p) {
vec2 godot_unpackSnorm2x16(uint p) {
vec2 v = vec2(float(p & uint(0xffff)), float(p >> uint(16)));
return clamp((v - 32767.0) * vec2(0.00003051851), vec2(-1.0), vec2(1.0));
}
#endif
// Compatibility renames. These are exposed with the "godot_" prefix
// to work around an Adreno bug which was exposing these ES310 functions
// in ES300 shaders. Internally, we must use the "godot_" prefix, but user shaders
// will be mapped automatically.
uint godot_packUnorm4x8(vec4 v) {
uvec4 uv = uvec4(round(clamp(v, vec4(0.0), vec4(1.0)) * 255.0));
return uv.x | (uv.y << uint(8)) | (uv.z << uint(16)) | (uv.w << uint(24));
@ -74,3 +75,9 @@ vec4 godot_unpackSnorm4x8(uint p) {
#define unpackUnorm4x8 godot_unpackUnorm4x8
#define packSnorm4x8 godot_packSnorm4x8
#define unpackSnorm4x8 godot_unpackSnorm4x8
#define packHalf2x16 godot_packHalf2x16
#define unpackHalf2x16 godot_unpackHalf2x16
#define packUnorm2x16 godot_packUnorm2x16
#define unpackUnorm2x16 godot_unpackUnorm2x16
#define packSnorm2x16 godot_packSnorm2x16
#define unpackSnorm2x16 godot_unpackSnorm2x16

8
drivers/gles3/storage/particles_storage.cpp
View File

@ -31,6 +31,8 @@
#ifdef GLES3_ENABLED
#include "particles_storage.h"
#include "config.h"
#include "material_storage.h"
#include "mesh_storage.h"
#include "texture_storage.h"
@ -120,6 +122,8 @@ void ParticlesStorage::particles_set_mode(RID p_particles, RS::ParticlesMode p_m
}
void ParticlesStorage::particles_set_emitting(RID p_particles, bool p_emitting) {
ERR_FAIL_COND_MSG(GLES3::Config::get_singleton()->adreno_3xx_compatibility, "Due to driver bugs, GPUParticles are not supported on Adreno 3XX devices. Please use CPUParticles instead.");
Particles *particles = particles_owner.get_or_null(p_particles);
ERR_FAIL_NULL(particles);
@ -127,6 +131,10 @@ void ParticlesStorage::particles_set_emitting(RID p_particles, bool p_emitting)
}
bool ParticlesStorage::particles_get_emitting(RID p_particles) {
if (GLES3::Config::get_singleton()->adreno_3xx_compatibility) {
return false;
}
ERR_FAIL_COND_V_MSG(RSG::threaded, false, "This function should never be used with threaded rendering, as it stalls the renderer.");
Particles *particles = particles_owner.get_or_null(p_particles);
ERR_FAIL_NULL_V(particles, false);