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Implement DOF blur, Glow, and BCS in GLES2

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This commit is contained in:
clayjohn 2019-08-31 15:03:55 -07:00
parent c9e1aced53
commit 82f63633d1
11 changed files with 1024 additions and 323 deletions
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514
drivers/gles2/rasterizer_scene_gles2.cpp
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@ -778,18 +778,44 @@ void RasterizerSceneGLES2::environment_set_camera_feed_id(RID p_env, int p_camer
}
void RasterizerSceneGLES2::environment_set_dof_blur_far(RID p_env, bool p_enable, float p_distance, float p_transition, float p_amount, VS::EnvironmentDOFBlurQuality p_quality) {
Environment *env = environment_owner.getornull(p_env);
ERR_FAIL_COND(!env);
env->dof_blur_far_enabled = p_enable;
env->dof_blur_far_distance = p_distance;
env->dof_blur_far_transition = p_transition;
env->dof_blur_far_amount = p_amount;
env->dof_blur_far_quality = p_quality;
}
void RasterizerSceneGLES2::environment_set_dof_blur_near(RID p_env, bool p_enable, float p_distance, float p_transition, float p_amount, VS::EnvironmentDOFBlurQuality p_quality) {
Environment *env = environment_owner.getornull(p_env);
ERR_FAIL_COND(!env);
env->dof_blur_near_enabled = p_enable;
env->dof_blur_near_distance = p_distance;
env->dof_blur_near_transition = p_transition;
env->dof_blur_near_amount = p_amount;
env->dof_blur_near_quality = p_quality;
}
void RasterizerSceneGLES2::environment_set_glow(RID p_env, bool p_enable, int p_level_flags, float p_intensity, float p_strength, float p_bloom_threshold, VS::EnvironmentGlowBlendMode p_blend_mode, float p_hdr_bleed_threshold, float p_hdr_bleed_scale, float p_hdr_luminance_cap, bool p_bicubic_upscale) {
Environment *env = environment_owner.getornull(p_env);
ERR_FAIL_COND(!env);
env->glow_enabled = p_enable;
env->glow_levels = p_level_flags;
env->glow_intensity = p_intensity;
env->glow_strength = p_strength;
env->glow_bloom = p_bloom_threshold;
env->glow_blend_mode = p_blend_mode;
env->glow_hdr_bleed_threshold = p_hdr_bleed_threshold;
env->glow_hdr_bleed_scale = p_hdr_bleed_scale;
env->glow_hdr_luminance_cap = p_hdr_luminance_cap;
env->glow_bicubic_upscale = p_bicubic_upscale;
}
void RasterizerSceneGLES2::environment_set_fog(RID p_env, bool p_enable, float p_begin, float p_end, RID p_gradient_texture) {
@ -813,8 +839,15 @@ void RasterizerSceneGLES2::environment_set_tonemap(RID p_env, VS::EnvironmentTon
}
void RasterizerSceneGLES2::environment_set_adjustment(RID p_env, bool p_enable, float p_brightness, float p_contrast, float p_saturation, RID p_ramp) {
Environment *env = environment_owner.getornull(p_env);
ERR_FAIL_COND(!env);
env->adjustments_enabled = p_enable;
env->adjustments_brightness = p_brightness;
env->adjustments_contrast = p_contrast;
env->adjustments_saturation = p_saturation;
env->color_correction = p_ramp;
}
void RasterizerSceneGLES2::environment_set_fog(RID p_env, bool p_enable, const Color &p_color, const Color &p_sun_color, float p_sun_amount) {
@ -1174,10 +1207,10 @@ void RasterizerSceneGLES2::_add_geometry_with_material(RasterizerStorageGLES2::G
}
}
void RasterizerSceneGLES2::_copy_texture_to_front_buffer(GLuint p_texture) {
void RasterizerSceneGLES2::_copy_texture_to_buffer(GLuint p_texture, GLuint p_buffer) {
//copy to front buffer
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo);
glBindFramebuffer(GL_FRAMEBUFFER, p_buffer);
glDepthMask(GL_FALSE);
glDisable(GL_DEPTH_TEST);
@ -2710,6 +2743,451 @@ void RasterizerSceneGLES2::_draw_sky(RasterizerStorageGLES2::Sky *p_sky, const C
storage->shaders.copy.set_conditional(CopyShaderGLES2::USE_CUBEMAP, false);
}
void RasterizerSceneGLES2::_post_process(Environment *env, const CameraMatrix &p_cam_projection) {
//copy to front buffer
glDepthMask(GL_FALSE);
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDepthFunc(GL_LEQUAL);
glColorMask(1, 1, 1, 1);
//no post process on small, transparent or render targets without an env
bool use_post_process = env && !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT];
use_post_process = use_post_process && storage->frame.current_rt->width >= 4 && storage->frame.current_rt->height >= 4;
use_post_process = use_post_process && storage->frame.current_rt->mip_maps_allocated;
if (env) {
use_post_process = use_post_process && (env->adjustments_enabled || env->glow_enabled || env->dof_blur_far_enabled || env->dof_blur_near_enabled);
}
GLuint next_buffer;
if (use_post_process) {
next_buffer = storage->frame.current_rt->mip_maps[0].sizes[0].fbo;
} else {
// set next_buffer to front buffer so multisample blit can happen if needed
next_buffer = storage->frame.current_rt->fbo;
}
// If using multisample buffer, resolve to post_process_effect buffer or to front buffer
if (storage->frame.current_rt && storage->frame.current_rt->multisample_active) {
#ifdef GLES_OVER_GL
glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo);
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, next_buffer);
glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
#elif IPHONE_ENABLED
glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, next_buffer);
glResolveMultisampleFramebufferAPPLE();
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
#elif ANDROID_ENABLED
// In GLES2 Android Blit is not available, so just copy color texture manually
_copy_texture_to_buffer(storage->frame.current_rt->multisample_color, next_buffer);
#endif
} else if (use_post_process) {
_copy_texture_to_buffer(storage->frame.current_rt->color, storage->frame.current_rt->mip_maps[0].sizes[0].fbo);
}
if (!use_post_process) {
return;
}
// Order of operation
//1) DOF Blur (first blur, then copy to buffer applying the blur) //only on desktop
//2) Bloom (Glow) //only on desktop
//3) Adjustments
// DOF Blur
if (env->dof_blur_far_enabled) {
int vp_h = storage->frame.current_rt->height;
int vp_w = storage->frame.current_rt->width;
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::USE_ORTHOGONAL_PROJECTION, p_cam_projection.is_orthogonal());
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_FAR_BLUR, true);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_LOW, env->dof_blur_far_quality == VS::ENV_DOF_BLUR_QUALITY_LOW);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_MEDIUM, env->dof_blur_far_quality == VS::ENV_DOF_BLUR_QUALITY_MEDIUM);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_HIGH, env->dof_blur_far_quality == VS::ENV_DOF_BLUR_QUALITY_HIGH);
state.effect_blur_shader.bind();
int qsteps[3] = { 4, 10, 20 };
float radius = (env->dof_blur_far_amount * env->dof_blur_far_amount) / qsteps[env->dof_blur_far_quality];
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_BEGIN, env->dof_blur_far_distance);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_END, env->dof_blur_far_distance + env->dof_blur_far_transition);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_DIR, Vector2(1, 0));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_RADIUS, radius);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::PIXEL_SIZE, Vector2(1.0 / vp_w, 1.0 / vp_h));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::CAMERA_Z_NEAR, p_cam_projection.get_z_near());
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::CAMERA_Z_FAR, p_cam_projection.get_z_far());
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->depth);
glActiveTexture(GL_TEXTURE0);
if (storage->frame.current_rt->mip_maps[0].color) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].color);
} else {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[0].color);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo); //copy to front first
storage->_copy_screen();
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->color);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_DIR, Vector2(0, 1));
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->mip_maps[0].sizes[0].fbo); // copy to base level
storage->_copy_screen();
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_FAR_BLUR, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_LOW, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_MEDIUM, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_HIGH, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::USE_ORTHOGONAL_PROJECTION, false);
}
if (env->dof_blur_near_enabled) {
//convert texture to RGBA format if not already
if (!storage->frame.current_rt->used_dof_blur_near) {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->color);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
}
int vp_h = storage->frame.current_rt->height;
int vp_w = storage->frame.current_rt->width;
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::USE_ORTHOGONAL_PROJECTION, p_cam_projection.is_orthogonal());
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_NEAR_BLUR, true);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_NEAR_FIRST_TAP, true);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_LOW, env->dof_blur_near_quality == VS::ENV_DOF_BLUR_QUALITY_LOW);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_MEDIUM, env->dof_blur_near_quality == VS::ENV_DOF_BLUR_QUALITY_MEDIUM);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_HIGH, env->dof_blur_near_quality == VS::ENV_DOF_BLUR_QUALITY_HIGH);
state.effect_blur_shader.bind();
int qsteps[3] = { 4, 10, 20 };
float radius = (env->dof_blur_near_amount * env->dof_blur_near_amount) / qsteps[env->dof_blur_near_quality];
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_BEGIN, env->dof_blur_near_distance);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_END, env->dof_blur_near_distance - env->dof_blur_near_transition);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_DIR, Vector2(1, 0));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_RADIUS, radius);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::PIXEL_SIZE, Vector2(1.0 / vp_w, 1.0 / vp_h));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::CAMERA_Z_NEAR, p_cam_projection.get_z_near());
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::CAMERA_Z_FAR, p_cam_projection.get_z_far());
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->depth);
glActiveTexture(GL_TEXTURE0);
if (!storage->frame.current_rt->used_dof_blur_near) {
if (storage->frame.current_rt->mip_maps[0].color) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].color);
} else {
for (int i = 0; i < storage->frame.current_rt->mip_maps[i].sizes.size(); i++) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[i].color);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, storage->frame.current_rt->mip_maps[0].sizes[i].width, storage->frame.current_rt->mip_maps[0].sizes[i].height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
}
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[0].color);
}
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo); //copy to front first
storage->_copy_screen();
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_NEAR_FIRST_TAP, false);
state.effect_blur_shader.bind();
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_BEGIN, env->dof_blur_near_distance);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_END, env->dof_blur_near_distance - env->dof_blur_near_transition);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_DIR, Vector2(0, 1));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::DOF_RADIUS, radius);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::PIXEL_SIZE, Vector2(1.0 / vp_w, 1.0 / vp_h));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::CAMERA_Z_NEAR, p_cam_projection.get_z_near());
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::CAMERA_Z_FAR, p_cam_projection.get_z_far());
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->color);
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->mip_maps[0].sizes[0].fbo); // copy to base level
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
storage->_copy_screen();
glDisable(GL_BLEND);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_NEAR_BLUR, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_NEAR_FIRST_TAP, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_LOW, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_MEDIUM, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::DOF_QUALITY_HIGH, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::USE_ORTHOGONAL_PROJECTION, false);
storage->frame.current_rt->used_dof_blur_near = true;
}
if (env->dof_blur_near_enabled || env->dof_blur_far_enabled) {
//these needed to disable filtering, reenamble
glActiveTexture(GL_TEXTURE0);
if (storage->frame.current_rt->mip_maps[0].color) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].color);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
} else {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[0].color);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_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);
}
//glow
int max_glow_level = -1;
int glow_mask = 0;
if (env->glow_enabled) {
for (int i = 0; i < VS::MAX_GLOW_LEVELS; i++) {
if (env->glow_levels & (1 << i)) {
if (i >= storage->frame.current_rt->mip_maps[1].sizes.size()) {
max_glow_level = storage->frame.current_rt->mip_maps[1].sizes.size() - 1;
glow_mask |= 1 << max_glow_level;
} else {
max_glow_level = i;
glow_mask |= (1 << i);
}
}
}
for (int i = 0; i < (max_glow_level + 1); i++) {
int vp_w = storage->frame.current_rt->mip_maps[1].sizes[i].width;
int vp_h = storage->frame.current_rt->mip_maps[1].sizes[i].height;
glViewport(0, 0, vp_w, vp_h);
//horizontal pass
if (i == 0) {
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::GLOW_FIRST_PASS, true);
}
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::GLOW_GAUSSIAN_HORIZONTAL, true);
state.effect_blur_shader.bind();
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::PIXEL_SIZE, Vector2(1.0 / vp_w, 1.0 / vp_h));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::LOD, storage->frame.current_rt->mip_maps[0].color ? float(i) : 0.0);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::GLOW_STRENGTH, env->glow_strength);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::LUMINANCE_CAP, env->glow_hdr_luminance_cap);
glActiveTexture(GL_TEXTURE0);
if (storage->frame.current_rt->mip_maps[0].color) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].color);
} else {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[i].color);
}
if (i == 0) {
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::GLOW_BLOOM, env->glow_bloom);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::GLOW_HDR_THRESHOLD, env->glow_hdr_bleed_threshold);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::GLOW_HDR_SCALE, env->glow_hdr_bleed_scale);
}
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->mip_maps[1].sizes[i].fbo);
storage->_copy_screen();
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::GLOW_GAUSSIAN_HORIZONTAL, false);
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::GLOW_FIRST_PASS, false);
//vertical pass
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::GLOW_GAUSSIAN_VERTICAL, true);
state.effect_blur_shader.bind();
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::PIXEL_SIZE, Vector2(1.0 / vp_w, 1.0 / vp_h));
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::LOD, storage->frame.current_rt->mip_maps[0].color ? float(i) : 0.0);
state.effect_blur_shader.set_uniform(EffectBlurShaderGLES2::GLOW_STRENGTH, env->glow_strength);
glActiveTexture(GL_TEXTURE0);
if (storage->frame.current_rt->mip_maps[0].color) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[1].color);
} else {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[1].sizes[i].color);
}
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->mip_maps[0].sizes[i + 1].fbo); //next level, since mipmaps[0] starts one level bigger
storage->_copy_screen();
state.effect_blur_shader.set_conditional(EffectBlurShaderGLES2::GLOW_GAUSSIAN_VERTICAL, false);
}
glViewport(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height);
}
if (storage->frame.current_rt->external.fbo != 0) {
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->external.fbo);
} else {
glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo);
}
glActiveTexture(GL_TEXTURE0);
if (storage->frame.current_rt->mip_maps[0].color) {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].color);
} else {
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[0].color);
}
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_FILTER_BICUBIC, env->glow_bicubic_upscale);
if (max_glow_level >= 0) {
if (storage->frame.current_rt->mip_maps[0].color) {
for (int i = 0; i < (max_glow_level + 1); i++) {
if (glow_mask & (1 << i)) {
if (i == 0) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL1, true);
}
if (i == 1) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL2, true);
}
if (i == 2) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL3, true);
}
if (i == 3) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL4, true);
}
if (i == 4) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL5, true);
}
if (i == 5) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL6, true);
}
if (i == 6) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL7, true);
}
}
}
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].color);
} else {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_MULTI_TEXTURE_GLOW, true);
int active_glow_level = 0;
for (int i = 0; i < (max_glow_level + 1); i++) {
if (glow_mask & (1 << i)) {
active_glow_level++;
glActiveTexture(GL_TEXTURE0 + active_glow_level);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->mip_maps[0].sizes[i + 1].color);
if (active_glow_level == 1) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL1, true);
}
if (active_glow_level == 2) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL2, true);
}
if (active_glow_level == 3) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL3, true);
}
if (active_glow_level == 4) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL4, true);
}
if (active_glow_level == 5) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL5, true);
}
if (active_glow_level == 6) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL6, true);
}
if (active_glow_level == 7) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL7, true);
}
}
}
}
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_SCREEN, env->glow_blend_mode == VS::GLOW_BLEND_MODE_SCREEN);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_SOFTLIGHT, env->glow_blend_mode == VS::GLOW_BLEND_MODE_SOFTLIGHT);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_REPLACE, env->glow_blend_mode == VS::GLOW_BLEND_MODE_REPLACE);
}
//Adjustments
if (env->adjustments_enabled) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_BCS, true);
RasterizerStorageGLES2::Texture *tex = storage->texture_owner.getornull(env->color_correction);
if (tex) {
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_COLOR_CORRECTION, true);
glActiveTexture(GL_TEXTURE2);
glBindTexture(tex->target, tex->tex_id);
}
}
state.tonemap_shader.bind();
if (max_glow_level >= 0) {
state.tonemap_shader.set_uniform(TonemapShaderGLES2::GLOW_INTENSITY, env->glow_intensity);
int ss[2] = {
storage->frame.current_rt->width,
storage->frame.current_rt->height,
};
glUniform2iv(state.tonemap_shader.get_uniform(TonemapShaderGLES2::GLOW_TEXTURE_SIZE), 1, ss);
}
if (env->adjustments_enabled) {
state.tonemap_shader.set_uniform(TonemapShaderGLES2::BCS, Vector3(env->adjustments_brightness, env->adjustments_contrast, env->adjustments_saturation));
}
storage->_copy_screen();
//turn off everything used
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL1, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL2, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL3, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL4, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL5, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL6, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_LEVEL7, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_REPLACE, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_SCREEN, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_SOFTLIGHT, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_GLOW_FILTER_BICUBIC, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_MULTI_TEXTURE_GLOW, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_BCS, false);
state.tonemap_shader.set_conditional(TonemapShaderGLES2::USE_COLOR_CORRECTION, false);
}
void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID p_environment, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass) {
Transform cam_transform = p_cam_transform;
@ -3010,7 +3488,7 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const
#elif ANDROID_ENABLED
// In GLES2 AndroidBlit is not available, so just copy color texture manually
_copy_texture_to_front_buffer(storage->frame.current_rt->multisample_color);
_copy_texture_to_buffer(storage->frame.current_rt->multisample_color, storage->frame.current_rt->fbo);
#endif
}
@ -3031,32 +3509,8 @@ void RasterizerSceneGLES2::render_scene(const Transform &p_cam_transform, const
_render_render_list(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count, cam_transform, p_cam_projection, p_shadow_atlas, env, env_radiance_tex, 0.0, 0.0, reverse_cull, true, false);
glDisable(GL_DEPTH_TEST);
if (storage->frame.current_rt && storage->frame.current_rt->multisample_active) {
#ifdef GLES_OVER_GL
glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo);
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo);
glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
#elif IPHONE_ENABLED
glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->multisample_fbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo);
glResolveMultisampleFramebufferAPPLE();
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
#elif ANDROID_ENABLED
// In GLES2 Android Blit is not available, so just copy color texture manually
_copy_texture_to_front_buffer(storage->frame.current_rt->multisample_color);
#endif
}
//post process
_post_process(env, p_cam_projection);
//#define GLES2_SHADOW_ATLAS_DEBUG_VIEW
@ -3439,6 +3893,8 @@ void RasterizerSceneGLES2::initialize() {
state.scene_shader.set_conditional(SceneShaderGLES2::USE_RGBA_SHADOWS, storage->config.use_rgba_3d_shadows);
state.cube_to_dp_shader.init();
state.effect_blur_shader.init();
state.tonemap_shader.init();
render_list.init();

65
drivers/gles2/rasterizer_scene_gles2.h
View file

@ -35,10 +35,12 @@
#include "rasterizer_storage_gles2.h"
#include "shaders/cube_to_dp.glsl.gen.h"
#include "shaders/effect_blur.glsl.gen.h"
#include "shaders/scene.glsl.gen.h"
#include "shaders/tonemap.glsl.gen.h"
/*
#include "drivers/gles3/shaders/effect_blur.glsl.gen.h"
#include "drivers/gles3/shaders/exposure.glsl.gen.h"
#include "drivers/gles3/shaders/resolve.glsl.gen.h"
#include "drivers/gles3/shaders/scene.glsl.gen.h"
@ -47,7 +49,6 @@
#include "drivers/gles3/shaders/ssao_blur.glsl.gen.h"
#include "drivers/gles3/shaders/ssao_minify.glsl.gen.h"
#include "drivers/gles3/shaders/subsurf_scattering.glsl.gen.h"
#include "drivers/gles3/shaders/tonemap.glsl.gen.h"
*/
@ -99,6 +100,8 @@ public:
SceneShaderGLES2 scene_shader;
CubeToDpShaderGLES2 cube_to_dp_shader;
TonemapShaderGLES2 tonemap_shader;
EffectBlurShaderGLES2 effect_blur_shader;
GLuint sky_verts;
@ -114,7 +117,6 @@ public:
// SsaoShaderGLES3 ssao_shader;
// SsaoBlurShaderGLES3 ssao_blur_shader;
// ExposureShaderGLES3 exposure_shader;
// TonemapShaderGLES3 tonemap_shader;
/*
struct SceneDataUBO {
@ -362,6 +364,35 @@ public:
int canvas_max_layer;
bool glow_enabled;
int glow_levels;
float glow_intensity;
float glow_strength;
float glow_bloom;
VS::EnvironmentGlowBlendMode glow_blend_mode;
float glow_hdr_bleed_threshold;
float glow_hdr_bleed_scale;
float glow_hdr_luminance_cap;
bool glow_bicubic_upscale;
bool dof_blur_far_enabled;
float dof_blur_far_distance;
float dof_blur_far_transition;
float dof_blur_far_amount;
VS::EnvironmentDOFBlurQuality dof_blur_far_quality;
bool dof_blur_near_enabled;
float dof_blur_near_distance;
float dof_blur_near_transition;
float dof_blur_near_amount;
VS::EnvironmentDOFBlurQuality dof_blur_near_quality;
bool adjustments_enabled;
float adjustments_brightness;
float adjustments_contrast;
float adjustments_saturation;
RID color_correction;
bool fog_enabled;
Color fog_color;
Color fog_sun_color;
@ -387,6 +418,30 @@ public:
ambient_energy(1.0),
ambient_sky_contribution(0.0),
canvas_max_layer(0),
glow_enabled(false),
glow_levels((1 << 2) | (1 << 4)),
glow_intensity(1.5),
glow_strength(1.3),
glow_bloom(0.0),
glow_blend_mode(VS::GLOW_BLEND_MODE_SOFTLIGHT),
glow_hdr_bleed_threshold(0.9),
glow_hdr_bleed_scale(2.0),
glow_hdr_luminance_cap(12.0),
glow_bicubic_upscale(false),
dof_blur_far_enabled(false),
dof_blur_far_distance(10),
dof_blur_far_transition(5),
dof_blur_far_amount(0.1),
dof_blur_far_quality(VS::ENV_DOF_BLUR_QUALITY_MEDIUM),
dof_blur_near_enabled(false),
dof_blur_near_distance(2),
dof_blur_near_transition(1),
dof_blur_near_amount(0.1),
dof_blur_near_quality(VS::ENV_DOF_BLUR_QUALITY_MEDIUM),
adjustments_enabled(false),
adjustments_brightness(1.0),
adjustments_contrast(1.0),
adjustments_saturation(1.0),
fog_enabled(false),
fog_color(Color(0.5, 0.5, 0.5)),
fog_sun_color(Color(0.8, 0.8, 0.0)),
@ -674,7 +729,7 @@ public:
void _add_geometry(RasterizerStorageGLES2::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES2::GeometryOwner *p_owner, int p_material, bool p_depth_pass, bool p_shadow_pass);
void _add_geometry_with_material(RasterizerStorageGLES2::Geometry *p_geometry, InstanceBase *p_instance, RasterizerStorageGLES2::GeometryOwner *p_owner, RasterizerStorageGLES2::Material *p_material, bool p_depth_pass, bool p_shadow_pass);
void _copy_texture_to_front_buffer(GLuint texture);
void _copy_texture_to_buffer(GLuint p_texture, GLuint p_buffer);
void _fill_render_list(InstanceBase **p_cull_result, int p_cull_count, bool p_depth_pass, bool p_shadow_pass);
void _render_render_list(RenderList::Element **p_elements, int p_element_count,
const Transform &p_view_transform,
@ -698,6 +753,8 @@ public:
_FORCE_INLINE_ void _setup_refprobes(ReflectionProbeInstance *p_refprobe1, ReflectionProbeInstance *p_refprobe2, const Transform &p_view_transform, Environment *p_env);
_FORCE_INLINE_ void _render_geometry(RenderList::Element *p_element);
void _post_process(Environment *env, const CameraMatrix &p_cam_projection);
virtual void render_scene(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID *p_light_cull_result, int p_light_cull_count, RID *p_reflection_probe_cull_result, int p_reflection_probe_cull_count, RID p_environment, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass);
virtual void render_shadow(RID p_light, RID p_shadow_atlas, int p_pass, InstanceBase **p_cull_result, int p_cull_count);
virtual bool free(RID p_rid);

147
drivers/gles2/rasterizer_storage_gles2.cpp
View file

@ -82,6 +82,8 @@ GLuint RasterizerStorageGLES2::system_fbo = 0;
#define _DEPTH_COMPONENT24_OES 0x81A6
#ifndef GLES_OVER_GL
#define glClearDepth glClearDepthf
// enable extensions manually for android and ios
#include <dlfcn.h> // needed to load extensions
@ -4586,6 +4588,9 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) {
color_format = GL_RGB;
}
rt->used_dof_blur_near = false;
rt->mip_maps_allocated = false;
{
/* Front FBO */
@ -4780,6 +4785,127 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) {
}
}
// Allocate mipmap chains for post_process effects
if (!rt->flags[RasterizerStorage::RENDER_TARGET_NO_3D] && rt->width >= 2 && rt->height >= 2) {
for (int i = 0; i < 2; i++) {
ERR_FAIL_COND(rt->mip_maps[i].sizes.size());
int w = rt->width;
int h = rt->height;
if (i > 0) {
w >>= 1;
h >>= 1;
}
int level = 0;
int fb_w = w;
int fb_h = h;
while (true) {
RenderTarget::MipMaps::Size mm;
mm.width = w;
mm.height = h;
rt->mip_maps[i].sizes.push_back(mm);
w >>= 1;
h >>= 1;
if (w < 2 || h < 2)
break;
level++;
}
GLsizei width = fb_w;
GLsizei height = fb_h;
if (config.render_to_mipmap_supported) {
glGenTextures(1, &rt->mip_maps[i].color);
glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].color);
for (int l = 0; l < level + 1; l++) {
glTexImage2D(GL_TEXTURE_2D, l, color_internal_format, width, height, 0, color_format, color_type, NULL);
width = MAX(1, (width / 2));
height = MAX(1, (height / 2));
}
#ifdef GLES_OVER_GL
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level);
#endif
} else {
// Can't render to specific levels of a mipmap in ES 2.0 or Webgl so create a texture for each level
for (int l = 0; l < level + 1; l++) {
glGenTextures(1, &rt->mip_maps[i].sizes.write[l].color);
glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[l].color);
glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, width, height, 0, color_format, color_type, NULL);
width = MAX(1, (width / 2));
height = MAX(1, (height / 2));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_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);
}
}
glDisable(GL_SCISSOR_TEST);
glColorMask(1, 1, 1, 1);
glDepthMask(GL_TRUE);
for (int j = 0; j < rt->mip_maps[i].sizes.size(); j++) {
RenderTarget::MipMaps::Size &mm = rt->mip_maps[i].sizes.write[j];
glGenFramebuffers(1, &mm.fbo);
glBindFramebuffer(GL_FRAMEBUFFER, mm.fbo);
if (config.render_to_mipmap_supported) {
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->mip_maps[i].color, j);
} else {
glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[j].color);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->mip_maps[i].sizes[j].color, 0);
}
bool used_depth = false;
if (j == 0 && i == 0) { //use always
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0);
used_depth = true;
}
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
WARN_PRINT_ONCE("Cannot allocate mipmaps for 3D post processing effects");
glBindFramebuffer(GL_FRAMEBUFFER, RasterizerStorageGLES2::system_fbo);
return;
}
glClearColor(1.0, 0.0, 1.0, 0.0);
glViewport(0, 0, rt->mip_maps[i].sizes[j].width, rt->mip_maps[i].sizes[j].height);
glClear(GL_COLOR_BUFFER_BIT);
if (used_depth) {
glClearDepth(1.0);
glClear(GL_DEPTH_BUFFER_BIT);
}
}
rt->mip_maps[i].levels = level;
if (config.render_to_mipmap_supported) {
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);
}
}
rt->mip_maps_allocated = true;
}
glBindFramebuffer(GL_FRAMEBUFFER, RasterizerStorageGLES2::system_fbo);
}
@ -4837,6 +4963,20 @@ void RasterizerStorageGLES2::_render_target_clear(RenderTarget *rt) {
rt->copy_screen_effect.color = 0;
}
for (int i = 0; i < 2; i++) {
if (rt->mip_maps[i].sizes.size()) {
for (int j = 0; j < rt->mip_maps[i].sizes.size(); j++) {
glDeleteFramebuffers(1, &rt->mip_maps[i].sizes[j].fbo);
glDeleteTextures(1, &rt->mip_maps[i].sizes[j].color);
}
glDeleteTextures(1, &rt->mip_maps[i].color);
rt->mip_maps[i].sizes.clear();
rt->mip_maps[i].levels = 0;
rt->mip_maps[i].color = 0;
}
}
if (rt->multisample_active) {
glDeleteFramebuffers(1, &rt->multisample_fbo);
rt->multisample_fbo = 0;
@ -5616,6 +5756,13 @@ void RasterizerStorageGLES2::initialize() {
// Check for multisample support
config.multisample_supported = config.extensions.has("GL_EXT_framebuffer_multisample") || config.extensions.has("GL_EXT_multisampled_render_to_texture") || config.extensions.has("GL_APPLE_framebuffer_multisample");
#ifdef GLES_OVER_GL
config.render_to_mipmap_supported = true;
#else
//check if mipmaps can be used for SCREEN_TEXTURE and Glow on Mobile and web platforms
config.render_to_mipmap_supported = config.extensions.has("GL_OES_fbo_render_mipmap") && config.extensions.has("GL_EXT_texture_lod");
#endif
#ifdef GLES_OVER_GL
config.use_rgba_2d_shadows = false;
config.support_depth_texture = true;

35
drivers/gles2/rasterizer_storage_gles2.h
View file

@ -95,6 +95,7 @@ public:
bool support_shadow_cubemaps;
bool multisample_supported;
bool render_to_mipmap_supported;
GLuint depth_internalformat;
GLuint depth_type;
@ -1140,12 +1141,6 @@ public:
GLuint multisample_depth;
bool multisample_active;
// TODO post processing effects?
// TODO HDR?
// TODO this is hardcoded for texscreen copies for now
struct Effect {
GLuint fbo;
int width;
@ -1163,6 +1158,27 @@ public:
Effect copy_screen_effect;
struct MipMaps {
struct Size {
GLuint fbo;
GLuint color;
int width;
int height;
};
Vector<Size> sizes;
GLuint color;
int levels;
MipMaps() :
color(0),
levels(0) {
}
};
MipMaps mip_maps[2];
struct External {
GLuint fbo;
GLuint color;
@ -1182,6 +1198,9 @@ public:
RID texture;
bool used_dof_blur_near;
bool mip_maps_allocated;
RenderTarget() :
fbo(0),
color(0),
@ -1195,7 +1214,9 @@ public:
width(0),
height(0),
used_in_frame(false),
msaa(VS::VIEWPORT_MSAA_DISABLED) {
msaa(VS::VIEWPORT_MSAA_DISABLED),
used_dof_blur_near(false),
mip_maps_allocated(false) {
for (int i = 0; i < RENDER_TARGET_FLAG_MAX; ++i) {
flags[i] = false;
}

4
drivers/gles2/shaders/SCsub
View file

@ -12,12 +12,12 @@ if 'GLES2_GLSL' in env['BUILDERS']:
env.GLES2_GLSL('cube_to_dp.glsl');
# env.GLES2_GLSL('blend_shape.glsl');
# env.GLES2_GLSL('screen_space_reflection.glsl');
# env.GLES2_GLSL('effect_blur.glsl');
env.GLES2_GLSL('effect_blur.glsl');
# env.GLES2_GLSL('subsurf_scattering.glsl');
# env.GLES2_GLSL('ssao.glsl');
# env.GLES2_GLSL('ssao_minify.glsl');
# env.GLES2_GLSL('ssao_blur.glsl');
# env.GLES2_GLSL('exposure.glsl');
# env.GLES2_GLSL('tonemap.glsl');
env.GLES2_GLSL('tonemap.glsl');
# env.GLES2_GLSL('particles.glsl');
env.GLES2_GLSL('lens_distorted.glsl');

5
drivers/gles2/shaders/canvas_shadow.glsl
View file

@ -34,9 +34,14 @@ void main() {
#define mediump
#define highp
#else
#if defined(USE_HIGHP_PRECISION)
precision highp float;
precision highp int;
#else
precision mediump float;
precision mediump int;
#endif
#endif
varying highp vec4 position_interp;
/* clang-format on */

5
drivers/gles2/shaders/cube_to_dp.glsl
View file

@ -30,9 +30,14 @@ void main() {
#define mediump
#define highp
#else
#if defined(USE_HIGHP_PRECISION)
precision highp float;
precision highp int;
#else
precision mediump float;
precision mediump int;
#endif
#endif
uniform highp samplerCube source_cube; //texunit:0
/* clang-format on */

250
drivers/gles2/shaders/effect_blur.glsl
View file

@ -1,11 +1,20 @@
/* clang-format off */
[vertex]
layout(location = 0) in highp vec4 vertex_attrib;
/* clang-format on */
layout(location = 4) in vec2 uv_in;
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
#define highp
#else
precision highp float;
precision highp int;
#endif
out vec2 uv_interp;
attribute vec2 vertex_attrib; // attrib:0
/* clang-format on */
attribute vec2 uv_in; // attrib:4
varying vec2 uv_interp;
#ifdef USE_BLUR_SECTION
@ -16,7 +25,7 @@ uniform vec4 blur_section;
void main() {
uv_interp = uv_in;
gl_Position = vertex_attrib;
gl_Position = vec4(vertex_attrib, 0.0, 1.0);
#ifdef USE_BLUR_SECTION
uv_interp = blur_section.xy + uv_interp * blur_section.zw;
@ -27,29 +36,46 @@ void main() {
/* clang-format off */
[fragment]
#if !defined(GLES_OVER_GL)
precision mediump float;
// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
// Do not copy these defines in the vertex section.
#ifndef USE_GLES_OVER_GL
#ifdef GL_EXT_shader_texture_lod
#extension GL_EXT_shader_texture_lod : enable
#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
#endif
#endif // !USE_GLES_OVER_GL
#ifdef GL_ARB_shader_texture_lod
#extension GL_ARB_shader_texture_lod : enable
#endif
in vec2 uv_interp;
#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
#endif
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
#define highp
#else
#if defined(USE_HIGHP_PRECISION)
precision highp float;
precision highp int;
#else
precision mediump float;
precision mediump int;
#endif
#endif
varying vec2 uv_interp;
/* clang-format on */
uniform sampler2D source_color; //texunit:0
#ifdef SSAO_MERGE
uniform sampler2D source_ssao; //texunit:1
#endif
uniform float lod;
uniform vec2 pixel_size;
layout(location = 0) out vec4 frag_color;
#ifdef SSAO_MERGE
uniform vec4 ssao_color;
#endif
#if defined(GLOW_GAUSSIAN_HORIZONTAL) || defined(GLOW_GAUSSIAN_VERTICAL)
uniform float glow_strength;
@ -58,6 +84,7 @@ uniform float glow_strength;
#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
#ifdef USE_GLES_OVER_GL
#ifdef DOF_QUALITY_LOW
const int dof_kernel_size = 5;
const int dof_kernel_from = 2;
@ -76,6 +103,7 @@ const int dof_kernel_size = 21;
const int dof_kernel_from = 10;
const float dof_kernel[21] = float[](0.028174, 0.032676, 0.037311, 0.041944, 0.046421, 0.050582, 0.054261, 0.057307, 0.059587, 0.060998, 0.061476, 0.060998, 0.059587, 0.057307, 0.054261, 0.050582, 0.046421, 0.041944, 0.037311, 0.032676, 0.028174);
#endif
#endif
uniform sampler2D dof_source_depth; //texunit:1
uniform float dof_begin;
@ -83,24 +111,11 @@ uniform float dof_end;
uniform vec2 dof_dir;
uniform float dof_radius;
#ifdef DOF_NEAR_BLUR_MERGE
uniform sampler2D source_dof_original; //texunit:2
#endif
#endif
#ifdef GLOW_FIRST_PASS
uniform float exposure;
uniform float white;
#ifdef GLOW_USE_AUTO_EXPOSURE
uniform highp sampler2D source_auto_exposure; //texunit:1
uniform highp float auto_exposure_grey;
#endif
uniform highp float luminance_cap;
uniform float glow_bloom;
uniform float glow_hdr_threshold;
@ -113,60 +128,95 @@ uniform float camera_z_near;
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) * 0.131514;
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) * 0.131514;
color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.071303;
frag_color = color;
#endif
#ifdef GAUSSIAN_VERTICAL
vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.38774;
color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.24477;
color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.06136;
color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.24477;
color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.06136;
frag_color = color;
#endif
//glow uses larger sigma for a more rounded blur effect
#ifdef GLOW_GAUSSIAN_HORIZONTAL
vec2 pix_size = pixel_size;
pix_size *= 0.5; //reading from larger buffer, so use more samples
vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
color += textureLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
color += textureLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
color += textureLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
color += textureLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
color += textureLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
color += textureLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pix_size, lod) * 0.174938;
color += texture2DLod(source_color, uv_interp + vec2(1.0, 0.0) * pix_size, lod) * 0.165569;
color += texture2DLod(source_color, uv_interp + vec2(2.0, 0.0) * pix_size, lod) * 0.140367;
color += texture2DLod(source_color, uv_interp + vec2(3.0, 0.0) * pix_size, lod) * 0.106595;
color += texture2DLod(source_color, uv_interp + vec2(-1.0, 0.0) * pix_size, lod) * 0.165569;
color += texture2DLod(source_color, uv_interp + vec2(-2.0, 0.0) * pix_size, lod) * 0.140367;
color += texture2DLod(source_color, uv_interp + vec2(-3.0, 0.0) * pix_size, lod) * 0.106595;
color *= glow_strength;
frag_color = color;
gl_FragColor = color;
#endif
#ifdef GLOW_GAUSSIAN_VERTICAL
vec4 color = textureLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
color += textureLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
color += textureLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
color += textureLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
color += textureLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
vec4 color = texture2DLod(source_color, uv_interp + vec2(0.0, 0.0) * pixel_size, lod) * 0.288713;
color += texture2DLod(source_color, uv_interp + vec2(0.0, 1.0) * pixel_size, lod) * 0.233062;
color += texture2DLod(source_color, uv_interp + vec2(0.0, 2.0) * pixel_size, lod) * 0.122581;
color += texture2DLod(source_color, uv_interp + vec2(0.0, -1.0) * pixel_size, lod) * 0.233062;
color += texture2DLod(source_color, uv_interp + vec2(0.0, -2.0) * pixel_size, lod) * 0.122581;
color *= glow_strength;
frag_color = color;
gl_FragColor = color;
#endif
#ifndef USE_GLES_OVER_GL
#if defined(DOF_FAR_BLUR) || defined(DOF_NEAR_BLUR)
#ifdef DOF_QUALITY_LOW
const int dof_kernel_size = 5;
const int dof_kernel_from = 2;
float dof_kernel[5];
dof_kernel[0] = 0.153388;
dof_kernel[1] = 0.221461;
dof_kernel[2] = 0.250301;
dof_kernel[3] = 0.221461;
dof_kernel[4] = 0.153388;
#endif
#ifdef DOF_QUALITY_MEDIUM
const int dof_kernel_size = 11;
const int dof_kernel_from = 5;
float dof_kernel[11];
dof_kernel[0] = 0.055037;
dof_kernel[1] = 0.072806;
dof_kernel[2] = 0.090506;
dof_kernel[3] = 0.105726;
dof_kernel[4] = 0.116061;
dof_kernel[5] = 0.119726;
dof_kernel[6] = 0.116061;
dof_kernel[7] = 0.105726;
dof_kernel[8] = 0.090506;
dof_kernel[9] = 0.072806;
dof_kernel[10] = 0.055037;
#endif
#ifdef DOF_QUALITY_HIGH
const int dof_kernel_size = 21;
const int dof_kernel_from = 10;
float dof_kernel[21];
dof_kernel[0] = 0.028174;
dof_kernel[1] = 0.032676;
dof_kernel[2] = 0.037311;
dof_kernel[3] = 0.041944;
dof_kernel[4] = 0.046421;
dof_kernel[5] = 0.050582;
dof_kernel[6] = 0.054261;
dof_kernel[7] = 0.057307;
dof_kernel[8] = 0.059587;
dof_kernel[9] = 0.060998;
dof_kernel[10] = 0.061476;
dof_kernel[11] = 0.060998;
dof_kernel[12] = 0.059587;
dof_kernel[13] = 0.057307;
dof_kernel[14] = 0.054261;
dof_kernel[15] = 0.050582;
dof_kernel[16] = 0.046421;
dof_kernel[17] = 0.041944;
dof_kernel[18] = 0.037311;
dof_kernel[19] = 0.032676;
dof_kernel[20] = 0.028174;
#endif
#endif
#endif //!USE_GLES_OVER_GL
#ifdef DOF_FAR_BLUR
vec4 color_accum = vec4(0.0);
float depth = textureLod(dof_source_depth, uv_interp, 0.0).r;
float depth = texture2DLod(dof_source_depth, uv_interp, 0.0).r;
depth = depth * 2.0 - 1.0;
#ifdef USE_ORTHOGONAL_PROJECTION
depth = ((depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
@ -184,17 +234,17 @@ void main() {
float tap_k = dof_kernel[i];
float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
float tap_depth = texture2D(dof_source_depth, tap_uv, 0.0).r;
tap_depth = tap_depth * 2.0 - 1.0;
#ifdef USE_ORTHOGONAL_PROJECTION
tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
#else
tap_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - tap_depth * (camera_z_far - camera_z_near));
#endif
float tap_amount = mix(smoothstep(dof_begin, dof_end, tap_depth), 1.0, int_ofs == 0);
float tap_amount = int_ofs == 0 ? 1.0 : smoothstep(dof_begin, dof_end, tap_depth);
tap_amount *= tap_amount * tap_amount; //prevent undesired glow effect
vec4 tap_color = textureLod(source_color, tap_uv, 0.0) * tap_k;
vec4 tap_color = texture2DLod(source_color, tap_uv, 0.0) * tap_k;
k_accum += tap_k * tap_amount;
color_accum += tap_color * tap_amount;
@ -204,7 +254,7 @@ void main() {
color_accum /= k_accum;
}
frag_color = color_accum; ///k_accum;
gl_FragColor = color_accum; ///k_accum;
#endif
@ -212,19 +262,19 @@ void main() {
vec4 color_accum = vec4(0.0);
float max_accum = 0;
float max_accum = 0.0;
for (int i = 0; i < dof_kernel_size; i++) {
int int_ofs = i - dof_kernel_from;
vec2 tap_uv = uv_interp + dof_dir * float(int_ofs) * dof_radius;
float ofs_influence = max(0.0, 1.0 - float(abs(int_ofs)) / float(dof_kernel_from));
float ofs_influence = max(0.0, 1.0 - abs(float(int_ofs)) / float(dof_kernel_from));
float tap_k = dof_kernel[i];
vec4 tap_color = textureLod(source_color, tap_uv, 0.0);
vec4 tap_color = texture2DLod(source_color, tap_uv, 0.0);
float tap_depth = texture(dof_source_depth, tap_uv, 0.0).r;
float tap_depth = texture2D(dof_source_depth, tap_uv, 0.0).r;
tap_depth = tap_depth * 2.0 - 1.0;
#ifdef USE_ORTHOGONAL_PROJECTION
tap_depth = ((tap_depth + (camera_z_far + camera_z_near) / (camera_z_far - camera_z_near)) * (camera_z_far - camera_z_near)) / 2.0;
@ -247,46 +297,16 @@ void main() {
color_accum.a = max(color_accum.a, sqrt(max_accum));
#ifdef DOF_NEAR_BLUR_MERGE
vec4 original = textureLod(source_dof_original, uv_interp, 0.0);
color_accum = mix(original, color_accum, color_accum.a);
#endif
#ifndef DOF_NEAR_FIRST_TAP
//color_accum=vec4(vec3(color_accum.a),1.0);
#endif
frag_color = color_accum;
gl_FragColor = color_accum;
#endif
#ifdef GLOW_FIRST_PASS
#ifdef GLOW_USE_AUTO_EXPOSURE
frag_color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
#endif
frag_color *= exposure;
float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
float luminance = max(gl_FragColor.r, max(gl_FragColor.g, gl_FragColor.b));
float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
frag_color *= feedback;
#endif
#ifdef SIMPLE_COPY
vec4 color = textureLod(source_color, uv_interp, 0.0);
frag_color = color;
#endif
#ifdef SSAO_MERGE
vec4 color = textureLod(source_color, uv_interp, 0.0);
float ssao = textureLod(source_ssao, uv_interp, 0.0).r;
frag_color = vec4(mix(color.rgb, color.rgb * mix(ssao_color.rgb, vec3(1.0), ssao), color.a), 1.0);
gl_FragColor = min(gl_FragColor * feedback, vec4(luminance_cap));
#endif
}

7
drivers/gles2/shaders/lens_distorted.glsl
View file

@ -34,8 +34,13 @@ void main() {
#define mediump
#define highp
#else
precision mediump float;
#if defined(USE_HIGHP_PRECISION)
precision highp float;
precision highp int;
#else
precision mediump float;
precision mediump int;
#endif
#endif
uniform sampler2D source; //texunit:0

306
drivers/gles2/shaders/tonemap.glsl
View file

@ -1,66 +1,103 @@
/* clang-format off */
[vertex]
layout(location = 0) in highp vec4 vertex_attrib;
/* clang-format on */
layout(location = 4) in vec2 uv_in;
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
#define highp
#else
precision highp float;
precision highp int;
#endif
out vec2 uv_interp;
attribute vec2 vertex_attrib; // attrib:0
/* clang-format on */
attribute vec2 uv_in; // attrib:4
varying vec2 uv_interp;
void main() {
gl_Position = vec4(vertex_attrib, 0.0, 1.0);
gl_Position = vertex_attrib;
uv_interp = uv_in;
#ifdef V_FLIP
uv_interp.y = 1.0 - uv_interp.y;
#endif
}
/* clang-format off */
[fragment]
#if !defined(GLES_OVER_GL)
precision mediump float;
// texture2DLodEXT and textureCubeLodEXT are fragment shader specific.
// Do not copy these defines in the vertex section.
#ifndef USE_GLES_OVER_GL
#ifdef GL_EXT_shader_texture_lod
#extension GL_EXT_shader_texture_lod : enable
#define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod)
#endif
#endif // !USE_GLES_OVER_GL
#ifdef GL_ARB_shader_texture_lod
#extension GL_ARB_shader_texture_lod : enable
#endif
in vec2 uv_interp;
#if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod)
#define texture2DLod(img, coord, lod) texture2D(img, coord, lod)
#define textureCubeLod(img, coord, lod) textureCube(img, coord, lod)
#endif
// Allows the use of bitshift operators for bicubic upscale
#ifdef GL_EXT_gpu_shader4
#extension GL_EXT_gpu_shader4 : enable
#endif
#ifdef USE_GLES_OVER_GL
#define lowp
#define mediump
#define highp
#else
#if defined(USE_HIGHP_PRECISION)
precision highp float;
precision highp int;
#else
precision mediump float;
precision mediump int;
#endif
#endif
#include "stdlib.glsl"
varying vec2 uv_interp;
/* clang-format on */
uniform highp sampler2D source; //texunit:0
uniform float exposure;
uniform float white;
#ifdef USE_AUTO_EXPOSURE
uniform highp sampler2D source_auto_exposure; //texunit:1
uniform highp float auto_exposure_grey;
#endif
#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 // only use glow when at least one glow level is selected
uniform highp sampler2D source_glow; //texunit:2
#ifdef USE_MULTI_TEXTURE_GLOW
uniform highp sampler2D source_glow1; //texunit:1
uniform highp sampler2D source_glow2; //texunit:2
uniform highp sampler2D source_glow3; //texunit:3
uniform highp sampler2D source_glow4; //texunit:4
uniform highp sampler2D source_glow5; //texunit:5
uniform highp sampler2D source_glow6; //texunit:6
uniform highp sampler2D source_glow7; //texunit:7
#else
uniform highp sampler2D source_glow; //texunit:1
#endif
uniform highp float glow_intensity;
#endif
#ifdef USE_BCS
uniform vec3 bcs;
#endif
#ifdef USE_COLOR_CORRECTION
uniform sampler2D color_correction; //texunit:3
uniform sampler2D color_correction; //texunit:2
#endif
layout(location = 0) out vec4 frag_color;
#ifdef GL_EXT_gpu_shader4
#ifdef USE_GLOW_FILTER_BICUBIC
// w0, w1, w2, and w3 are the four cubic B-spline basis functions
float w0(float a) {
return (1.0 / 6.0) * (a * (a * (-a + 3.0) - 3.0) + 1.0);
@ -101,8 +138,10 @@ uniform ivec2 glow_texture_size;
vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
float lod = float(p_lod);
vec2 tex_size = vec2(glow_texture_size >> p_lod);
vec2 pixel_size = 1.0 / tex_size;
uv = uv * tex_size + 0.5;
vec2 pixel_size = vec2(1.0) / tex_size;
uv = uv * tex_size + vec2(0.5);
vec2 iuv = floor(uv);
vec2 fuv = fract(uv);
@ -113,73 +152,97 @@ vec4 texture2D_bicubic(sampler2D tex, vec2 uv, int p_lod) {
float h0y = h0(fuv.y);
float h1y = h1(fuv.y);
vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - 0.5) * pixel_size;
vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - 0.5) * pixel_size;
vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - 0.5) * pixel_size;
vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - 0.5) * pixel_size;
vec2 p0 = (vec2(iuv.x + h0x, iuv.y + h0y) - vec2(0.5)) * pixel_size;
vec2 p1 = (vec2(iuv.x + h1x, iuv.y + h0y) - vec2(0.5)) * pixel_size;
vec2 p2 = (vec2(iuv.x + h0x, iuv.y + h1y) - vec2(0.5)) * pixel_size;
vec2 p3 = (vec2(iuv.x + h1x, iuv.y + h1y) - vec2(0.5)) * pixel_size;
return (g0(fuv.y) * (g0x * textureLod(tex, p0, lod) + g1x * textureLod(tex, p1, lod))) +
(g1(fuv.y) * (g0x * textureLod(tex, p2, lod) + g1x * textureLod(tex, p3, lod)));
return (g0(fuv.y) * (g0x * texture2DLod(tex, p0, lod) + g1x * texture2DLod(tex, p1, lod))) +
(g1(fuv.y) * (g0x * texture2DLod(tex, p2, lod) + g1x * texture2DLod(tex, p3, lod)));
}
#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2D_bicubic(m_tex, m_uv, m_lod)
#else //!USE_GLOW_FILTER_BICUBIC
#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2DLod(m_tex, m_uv, float(m_lod))
#endif //USE_GLOW_FILTER_BICUBIC
#else
#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) textureLod(m_tex, m_uv, float(m_lod))
#else //!GL_EXT_gpu_shader4
#define GLOW_TEXTURE_SAMPLE(m_tex, m_uv, m_lod) texture2DLod(m_tex, m_uv, float(m_lod))
#endif //GL_EXT_gpu_shader4
vec3 apply_glow(vec3 color, vec3 glow) { // apply glow using the selected blending mode
#ifdef USE_GLOW_REPLACE
color = glow;
#endif
vec3 tonemap_filmic(vec3 color, float white) {
#ifdef USE_GLOW_SCREEN
color = max((color + glow) - (color * glow), vec3(0.0));
#endif
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;
#ifdef USE_GLOW_SOFTLIGHT
glow = glow * vec3(0.5) + vec3(0.5);
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;
color.r = (glow.r <= 0.5) ? (color.r - (1.0 - 2.0 * glow.r) * color.r * (1.0 - color.r)) : (((glow.r > 0.5) && (color.r <= 0.25)) ? (color.r + (2.0 * glow.r - 1.0) * (4.0 * color.r * (4.0 * color.r + 1.0) * (color.r - 1.0) + 7.0 * color.r)) : (color.r + (2.0 * glow.r - 1.0) * (sqrt(color.r) - color.r)));
color.g = (glow.g <= 0.5) ? (color.g - (1.0 - 2.0 * glow.g) * color.g * (1.0 - color.g)) : (((glow.g > 0.5) && (color.g <= 0.25)) ? (color.g + (2.0 * glow.g - 1.0) * (4.0 * color.g * (4.0 * color.g + 1.0) * (color.g - 1.0) + 7.0 * color.g)) : (color.g + (2.0 * glow.g - 1.0) * (sqrt(color.g) - color.g)));
color.b = (glow.b <= 0.5) ? (color.b - (1.0 - 2.0 * glow.b) * color.b * (1.0 - color.b)) : (((glow.b > 0.5) && (color.b <= 0.25)) ? (color.b + (2.0 * glow.b - 1.0) * (4.0 * color.b * (4.0 * color.b + 1.0) * (color.b - 1.0) + 7.0 * color.b)) : (color.b + (2.0 * glow.b - 1.0) * (sqrt(color.b) - color.b)));
#endif
return coltn / whitetn;
#if !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE) // no other selected -> additive
color += glow;
#endif
return color;
}
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 apply_bcs(vec3 color, vec3 bcs) {
color = mix(vec3(0.0), color, bcs.x);
color = mix(vec3(0.5), color, bcs.y);
color = mix(vec3(dot(vec3(1.0), color) * 0.33333), color, bcs.z);
return color;
}
vec3 tonemap_reindhart(vec3 color, float white) {
vec3 apply_color_correction(vec3 color, sampler2D correction_tex) {
color.r = texture2D(correction_tex, vec2(color.r, 0.0)).r;
color.g = texture2D(correction_tex, vec2(color.g, 0.0)).g;
color.b = texture2D(correction_tex, vec2(color.b, 0.0)).b;
return (color * (1.0 + (color / (white)))) / (1.0 + color);
return color;
}
void main() {
vec3 color = texture2DLod(source, uv_interp, 0.0).rgb;
vec4 color = textureLod(source, uv_interp, 0.0);
// Glow
#ifdef USE_AUTO_EXPOSURE
color /= texelFetch(source_auto_exposure, ivec2(0, 0), 0).r / auto_exposure_grey;
#endif
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)
#ifdef USING_GLOW
vec3 glow = vec3(0.0);
#ifdef USE_MULTI_TEXTURE_GLOW
#ifdef USE_GLOW_LEVEL1
glow += GLOW_TEXTURE_SAMPLE(source_glow1, uv_interp, 0).rgb;
#ifdef USE_GLOW_LEVEL2
glow += GLOW_TEXTURE_SAMPLE(source_glow2, uv_interp, 0).rgb;
#ifdef USE_GLOW_LEVEL3
glow += GLOW_TEXTURE_SAMPLE(source_glow3, uv_interp, 0).rgb;
#ifdef USE_GLOW_LEVEL4
glow += GLOW_TEXTURE_SAMPLE(source_glow4, uv_interp, 0).rgb;
#ifdef USE_GLOW_LEVEL5
glow += GLOW_TEXTURE_SAMPLE(source_glow5, uv_interp, 0).rgb;
#ifdef USE_GLOW_LEVEL6
glow += GLOW_TEXTURE_SAMPLE(source_glow6, uv_interp, 0).rgb;
#ifdef USE_GLOW_LEVEL7
glow += GLOW_TEXTURE_SAMPLE(source_glow7, uv_interp, 0).rgb;
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#else
#ifdef USE_GLOW_LEVEL1
glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 1).rgb;
#endif
@ -206,100 +269,21 @@ void main() {
#ifdef USE_GLOW_LEVEL7
glow += GLOW_TEXTURE_SAMPLE(source_glow, uv_interp, 7).rgb;
#endif
#endif //USE_MULTI_TEXTURE_GLOW
glow *= glow_intensity;
color = apply_glow(color, glow);
#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;
#endif
#ifdef USE_GLOW_SCREEN
color.rgb = max((color.rgb + glow) - (color.rgb * glow), vec3(0.0));
#endif
#ifdef USE_GLOW_SOFTLIGHT
{
glow = (glow * 0.5) + 0.5;
color.r = (glow.r <= 0.5) ? (color.r - (1.0 - 2.0 * glow.r) * color.r * (1.0 - color.r)) : (((glow.r > 0.5) && (color.r <= 0.25)) ? (color.r + (2.0 * glow.r - 1.0) * (4.0 * color.r * (4.0 * color.r + 1.0) * (color.r - 1.0) + 7.0 * color.r)) : (color.r + (2.0 * glow.r - 1.0) * (sqrt(color.r) - color.r)));
color.g = (glow.g <= 0.5) ? (color.g - (1.0 - 2.0 * glow.g) * color.g * (1.0 - color.g)) : (((glow.g > 0.5) && (color.g <= 0.25)) ? (color.g + (2.0 * glow.g - 1.0) * (4.0 * color.g * (4.0 * color.g + 1.0) * (color.g - 1.0) + 7.0 * color.g)) : (color.g + (2.0 * glow.g - 1.0) * (sqrt(color.g) - color.g)));
color.b = (glow.b <= 0.5) ? (color.b - (1.0 - 2.0 * glow.b) * color.b * (1.0 - color.b)) : (((glow.b > 0.5) && (color.b <= 0.25)) ? (color.b + (2.0 * glow.b - 1.0) * (4.0 * color.b * (4.0 * color.b + 1.0) * (color.b - 1.0) + 7.0 * color.b)) : (color.b + (2.0 * glow.b - 1.0) * (sqrt(color.b) - color.b)));
}
#endif
#if defined(USING_GLOW) && !defined(USE_GLOW_SCREEN) && !defined(USE_GLOW_SOFTLIGHT) && !defined(USE_GLOW_REPLACE)
//additive
color.rgb += glow;
#endif
// Additional effects
#ifdef USE_BCS
color.rgb = mix(vec3(0.0), color.rgb, bcs.x);
color.rgb = mix(vec3(0.5), color.rgb, bcs.y);
color.rgb = mix(vec3(dot(vec3(1.0), color.rgb) * 0.33333), color.rgb, bcs.z);
color = apply_bcs(color, bcs);
#endif
#ifdef USE_COLOR_CORRECTION
color.r = texture(color_correction, vec2(color.r, 0.0)).r;
color.g = texture(color_correction, vec2(color.g, 0.0)).g;
color.b = texture(color_correction, vec2(color.b, 0.0)).b;
color = apply_color_correction(color, color_correction);
#endif
frag_color = vec4(color.rgb, 1.0);
gl_FragColor = vec4(color, 1.0);
}

9
scene/resources/environment.cpp
View file

@ -354,10 +354,6 @@ void Environment::_validate_property(PropertyInfo &property) const {
"tonemap_",
"ss_reflections_",
"ssao_",
"dof_blur_far_",
"dof_blur_near_",
"glow_",
"adjustment_",
NULL
};
@ -1378,6 +1374,11 @@ Environment::Environment() :
glow_hdr_luminance_cap = 12.0;
glow_hdr_bleed_scale = 2.0;
glow_bicubic_upscale = false;
if (VisualServer::get_singleton()->is_low_end()) {
glow_hdr_bleed_threshold = 0.9;
glow_intensity = 1.5;
glow_strength = 1.3;
}
dof_blur_far_enabled = false;
dof_blur_far_distance = 10;