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Fixes to glow and auto exposure, closes #9797, closes #9106

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This commit is contained in:
Juan Linietsky 2017-07-26 00:39:41 -03:00
parent d2d48e2a7a
commit f5277e347d
5 changed files with 107 additions and 62 deletions
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11
drivers/gles3/rasterizer_scene_gles3.cpp
View file

@ -3515,7 +3515,6 @@ void RasterizerSceneGLES3::_post_process(Environment *env, const CameraMatrix &p
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->effects.mip_maps[0].sizes[0].fbo); // copy to base level
_copy_screen();
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_FAR_BLUR, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_FAR_BLUR, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_LOW, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES3::DOF_QUALITY_MEDIUM, false);
@ -3611,6 +3610,16 @@ void RasterizerSceneGLES3::_post_process(Environment *env, const CameraMatrix &p
composite_from = storage->frame.current_rt->effects.mip_maps[0].color;
}
if (env->dof_blur_near_enabled || env->dof_blur_far_enabled) {
//these needed to disable filtering, reenamble
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->effects.mip_maps[0].color);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
if (env->auto_exposure) {
//compute auto exposure

9
drivers/gles3/rasterizer_storage_gles3.cpp
View file

@ -6189,6 +6189,8 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
glBindTexture(GL_TEXTURE_2D, rt->effects.mip_maps[i].color);
int level = 0;
int fb_w = w;
int fb_h = h;
while (true) {
@ -6206,13 +6208,15 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
level++;
}
glTexStorage2DCustom(GL_TEXTURE_2D, level + 1, color_internal_format, rt->width, rt->height, color_format, color_type);
glTexStorage2DCustom(GL_TEXTURE_2D, level + 1, color_internal_format, fb_w, fb_h, color_format, color_type);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level);
glDisable(GL_SCISSOR_TEST);
glColorMask(1, 1, 1, 1);
glDepthMask(GL_TRUE);
if (rt->buffers.active == false) {
glDepthMask(GL_TRUE);
}
for (int j = 0; j < rt->effects.mip_maps[i].sizes.size(); j++) {
@ -6235,7 +6239,6 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
float zero[4] = { 1, 0, 1, 0 };
glViewport(0, 0, rt->effects.mip_maps[i].sizes[j].width, rt->effects.mip_maps[i].sizes[j].height);
glClearBufferfv(GL_COLOR, 0, zero);
if (used_depth) {
glClearBufferfi(GL_DEPTH_STENCIL, 0, 1.0, 0);

9
drivers/gles3/rasterizer_storage_gles3.h
View file

@ -1285,12 +1285,11 @@ public:
buffers.fbo = 0;
used_in_frame = false;
flags[RENDER_TARGET_VFLIP] = false;
flags[RENDER_TARGET_TRANSPARENT] = false;
flags[RENDER_TARGET_NO_3D_EFFECTS] = false;
flags[RENDER_TARGET_NO_3D] = false;
flags[RENDER_TARGET_NO_SAMPLING] = false;
for (int i = 0; i < RENDER_TARGET_FLAG_MAX; i++) {
flags[i] = false;
}
flags[RENDER_TARGET_HDR] = true;
buffers.active = false;
buffers.effects_active = false;

139
drivers/gles3/shaders/tonemap.glsl
View file

@ -144,6 +144,38 @@ vec4 texture2D_bicubic(sampler2D tex, vec2 uv,int p_lod)
#endif
vec3 tonemap_filmic(vec3 color,float white) {
float A = 0.15;
float B = 0.50;
float C = 0.10;
float D = 0.20;
float E = 0.02;
float F = 0.30;
float W = 11.2;
vec3 coltn = ((color*(A*color+C*B)+D*E)/(color*(A*color+B)+D*F))-E/F;
float whitetn = ((white*(A*white+C*B)+D*E)/(white*(A*white+B)+D*F))-E/F;
return coltn/whitetn;
}
vec3 tonemap_aces(vec3 color) {
float a = 2.51f;
float b = 0.03f;
float c = 2.43f;
float d = 0.59f;
float e = 0.14f;
return color = clamp((color*(a*color+b))/(color*(c*color+d)+e),vec3(0.0),vec3(1.0));
}
vec3 tonemap_reindhart(vec3 color,vec3 white) {
return ( color * ( 1.0 + ( color / ( white) ) ) ) / ( 1.0 + color );
}
void main() {
ivec2 coord = ivec2(gl_FragCoord.xy);
@ -157,8 +189,11 @@ void main() {
color*=exposure;
#if defined(USE_GLOW_LEVEL1) || defined(USE_GLOW_LEVEL2) || defined(USE_GLOW_LEVEL3) || defined(USE_GLOW_LEVEL4) || defined(USE_GLOW_LEVEL5) || defined(USE_GLOW_LEVEL6) || defined(USE_GLOW_LEVEL7)
#define USING_GLOW
#endif
#if defined(USING_GLOW)
vec3 glow = vec3(0.0);
#ifdef USE_GLOW_LEVEL1
@ -193,8 +228,55 @@ void main() {
glow *= glow_intensity;
#endif
#ifdef USE_REINDHART_TONEMAPPER
color.rgb = tonemap_reindhart(color.rgb,white);
# if defined(USING_GLOW)
glow = tonemap_reindhart(glow,white);
# endif
#endif
#ifdef USE_FILMIC_TONEMAPPER
color.rgb = tonemap_filmic(color.rgb,white);
# if defined(USING_GLOW)
glow = tonemap_filmic(glow,white);
# endif
#endif
#ifdef USE_ACES_TONEMAPPER
color.rgb = tonemap_aces(color.rgb);
# if defined(USING_GLOW)
glow = tonemap_aces(glow);
# endif
#endif
//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)));
#if defined(USING_GLOW)
glow = mix( (vec3(1.0)+a)*pow(glow,vec3(1.0/2.4))-a , 12.92*glow , lessThan(glow,vec3(0.0031308)));
#endif
//glow needs to be added in SRGB space (together with image space effects)
color.rgb = clamp(color.rgb,0.0,1.0);
#if defined(USING_GLOW)
glow = clamp(glow,0.0,1.0);
#endif
#ifdef USE_GLOW_REPLACE
color.rgb = glow;
@ -203,7 +285,7 @@ void main() {
#ifdef USE_GLOW_SCREEN
color.rgb = clamp((color.rgb + glow) - (color.rgb * glow), 0.0, 1.0);
color.rgb = max((color.rgb + glow) - (color.rgb * glow), vec3(0.0));
#endif
@ -219,60 +301,11 @@ void main() {
#endif
#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE)
#if defined(USING_GLOW) && !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE)
//additive
color.rgb+=glow;
#endif
#endif
#ifdef USE_REINDHART_TONEMAPPER
{
color.rgb = ( color.rgb * ( 1.0 + ( color.rgb / ( white) ) ) ) / ( 1.0 + color.rgb );
}
#endif
#ifdef USE_FILMIC_TONEMAPPER
{
float A = 0.15;
float B = 0.50;
float C = 0.10;
float D = 0.20;
float E = 0.02;
float F = 0.30;
float W = 11.2;
vec3 coltn = ((color.rgb*(A*color.rgb+C*B)+D*E)/(color.rgb*(A*color.rgb+B)+D*F))-E/F;
float whitetn = ((white*(A*white+C*B)+D*E)/(white*(A*white+B)+D*F))-E/F;
color.rgb=coltn/whitetn;
}
#endif
#ifdef USE_ACES_TONEMAPPER
{
float a = 2.51f;
float b = 0.03f;
float c = 2.43f;
float d = 0.59f;
float e = 0.14f;
color.rgb = clamp((color.rgb*(a*color.rgb+b))/(color.rgb*(c*color.rgb+d)+e),vec3(0.0),vec3(1.0));
}
#endif
//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)));
#ifdef USE_BCS
color.rgb = mix(vec3(0.0),color.rgb,bcs.x);

1
scene/resources/environment.cpp
View file

@ -167,6 +167,7 @@ void Environment::set_tonemap_auto_exposure(bool p_enabled) {
tonemap_auto_exposure = p_enabled;
VS::get_singleton()->environment_set_tonemap(environment, VS::EnvironmentToneMapper(tone_mapper), tonemap_exposure, tonemap_white, tonemap_auto_exposure, tonemap_auto_exposure_min, tonemap_auto_exposure_max, tonemap_auto_exposure_speed, tonemap_auto_exposure_grey);
_change_notify();
}
bool Environment::get_tonemap_auto_exposure() const {